AU→US Conversion — Side by Side
1571 groups
1559 localize 0 skip 12 review
ID Decision Category Original Edited Reasoning
01JW5RGMJ5Q6PWBY4RTDQDA8G9 Localize Units (simple)
Question
A kite has an area of $1.2$ m$^2$. One of its diagonals measures $150$ cm. What is the length of the other diagonal in centimetres?
Answer:
  • 160
Question
A kite has an area of $1.2$ ft$^2$. One of its diagonals measures $150$ in. What is the length of the other diagonal in inches?
Answer:
  • 160

Classifier: The question contains multiple metric units (m^2, cm) and the AU spelling "centimetres". Per the decision rules, any metric unit requires classification into a units category.

Verifier: The text contains metric units (m^2, cm) and the AU spelling "centimetres", requiring localization.

01JW5RGMGP8GBFQVQYX3Q2VX3M Localize Spelling (AU-US)
Multiple Choice
True or false: An experiment that involves spinning a $5$-section spinner, drawing a coloured card, then flipping a coin based on the card's colour is a multi-step experiment.
Options:
  • True
  • False
Multiple Choice
True or false: An experiment that involves spinning a $5$-section spinner, drawing a colored card, then flipping a coin based on the card's color is a multi-step experiment.
Options:
  • True
  • False

Classifier: Contains the AU spelling "coloured" and "colour", which require conversion to US spelling "colored" and "color".

Verifier: The text contains "coloured" and "colour's", which are AU/British spellings of "colored" and "color's".

01JW5RGMH6NRAEWQ3APH030RHD Localize Terminology
Multiple Choice
Which type of graph contains gaps between the bars?
Options:
  • Column graph
  • Histogram
Multiple Choice
Which type of graph contains gaps between the bars?
Options:
  • Bar graph
  • Histogram

Classifier: The term "Column graph" is the standard AU term for what is almost exclusively called a "Bar graph" in US K-12 education. While "column graph" is understood, "bar graph" is the required terminology for US localization.

Verifier: The term "Column graph" is a specific Australian curriculum term for what is called a "Bar graph" in the US. This requires localization for the US school context.

01JW5RGMH9DJ7H12G0P8H1PV53 Localize Terminology
Multiple Choice
True or false: A graph of the number of books read in a month can be represented using a column graph, because the data is discrete and counts are distinct.
Options:
  • True
  • False
Multiple Choice
True or false: A graph of the number of books read in a month can be represented using a bar graph, because the data is discrete and counts are distinct.
Options:
  • True
  • False

Classifier: Uses the AU term "column graph" which maps to "bar graph" in US English.

Verifier: The text uses the term "column graph", which is the standard Australian term for what is called a "bar graph" in the US.

01JW5RGMJC3A3CYXZP0H9K7C9Y Localize Units (simple)
Multiple Choice
True or false: The cubic metre (m$^3$), is a base SI unit.
Options:
  • True
  • False
Multiple Choice
True or false: The cubic meter (m$^3$), is a base SI unit.
Options:
  • True
  • False

Classifier: Contains the metric unit "cubic metre" and the AU spelling "metre".

Verifier: The text contains the metric unit "cubic metre" with AU spelling ("metre").

01JW5RGMFT61JZN8E91EH9E1WG Localize Units (simple)
Multiple Choice
A store sets product prices based on a pricing system. Which pricing system would result in the fewest distinct price values, making the price data most clearly discrete?
Options:
  • Rounding to nearest cent
  • Using any cost amount
  • Using whole dollar amounts
  • Measuring per gram
Multiple Choice
A store sets product prices based on a pricing system. Which pricing system would result in the fewest distinct price values, making the price data most clearly discrete?
Options:
  • Rounding to nearest cent
  • Using any cost amount
  • Using whole dollar amounts
  • Measuring per ounce

Classifier: The presence of the metric unit "gram" triggers the units conversion category.

Verifier: The presence of the metric unit "gram" requires RED classification per rule 3.

01JW5RGMM312SC7TRESYV9A1FS Localize Terminology
Multiple Choice
True or false: The turning point of $y = 3x^2 - 12x + 1$ is $(2, -11)$
Options:
  • False
  • True
Multiple Choice
True or false: The vertex of $y = 3x^2 - 12x + 1$ is $(2, -11)$
Options:
  • False
  • True

Classifier: The term "turning point" is the standard AU/UK term for what is referred to as the "vertex" in US mathematics curricula.

Verifier: The term "turning point" is the standard AU/UK term for what is referred to as the "vertex" in US mathematics curricula. This requires localization for the US market.

01JW5RGMG3B6DW8W7GP02TQ9S6 Localize Spelling (AU-US)
Multiple Choice
A dataset is summarised by a box plot. The interquartile range is $20$ units and the third quartile is $70$ units. If the dataset contains $300$ data points, which of the following statements is correct?
Options:
  • $150$ data points are between $Q_3$ and the maximum
  • $100$ data points are above $Q_3$
  • $75$ data points are below $Q_1$
  • $200$ data points are above the median
Multiple Choice
A dataset is summarized by a box plot. The interquartile range is $20$ units and the third quartile is $70$ units. If the dataset contains $300$ data points, which of the following statements is correct?
Options:
  • $150$ data points are between $Q_3$ and the maximum
  • $100$ data points are above $Q_3$
  • $75$ data points are below $Q_1$
  • $200$ data points are above the median

Classifier: The word "summarised" uses the AU/UK 's' spelling instead of the US 'z' spelling ("summarized").

Verifier: The word "summarised" is the AU/UK spelling. US spelling is "summarized". Per rule 1, AU spelling requires RED classification.

01JW5RGMK637EEJJ980X4SMB2S Localize Spelling (AU-US)
Multiple Choice
A spinner has four unequal sectors with probabilities: $R = 0.3$, $B = 0.25$, $G = 0.2$, $Y = 0.25$. After $200$ spins, the results are: $R = 55$, $B = 50$, $G = 45$, $Y = 50$. Which colour shows the largest positive difference between experimental and theoretical probability?
Options:
  • Red
  • Blue
  • Green
  • Yellow
Multiple Choice
A spinner has four unequal sectors with probabilities: $R = 0.3$, $B = 0.25$, $G = 0.2$, $Y = 0.25$. After $200$ spins, the results are: $R = 55$, $B = 50$, $G = 45$, $Y = 50$. Which color shows the largest positive difference between experimental and theoretical probability?
Options:
  • Red
  • Blue
  • Green
  • Yellow

Classifier: The text contains the AU spelling "colour", which needs to be localized to the US spelling "color".

Verifier: The text contains the AU spelling "colour", which needs to be localized to the US spelling "color".

01JW5RGMMEP5V1FR6TN161T9Q3 Localize Terminology
Multiple Choice
True or false: If a parabola has its turning point at $(p,q)$ and passes through $(r,s)$, then $s = a(r-p)^2+q$ must be satisfied for some non-zero constant $a$.
Options:
  • True
  • False
Multiple Choice
True or false: If a parabola has its vertex at $(p,q)$ and passes through $(r,s)$, then $s = a(r-p)^2+q$ must be satisfied for some non-zero constant $a$.
Options:
  • True
  • False

Classifier: Contains the AU-specific term "turning point", which in a US context is typically referred to as the "vertex".

Verifier: The term "turning point" is standard in AU/UK pedagogy for the vertex of a parabola, whereas "vertex" is the standard term in US pedagogy.

01JW5RGMG0P6R63XGRY7GDJ75Y Localize Terminology
Multiple Choice
True or false: Postal codes are nominal data, so higher postal codes represent higher geographic areas.
Options:
  • False
  • True
Multiple Choice
True or false: Zip codes are nominal data, so higher zip codes represent higher geographic areas.
Options:
  • False
  • True

Classifier: The term "Postal codes" is used in Australia (and Canada/UK), whereas the US uses "ZIP codes". This is a terminology mapping required for localization.

Verifier: The term "Postal codes" is the standard term in Australia, whereas the US uses "ZIP codes". This requires terminology localization.

01JVJ2GWQVR72VHR8S5N5S96GH Localize Spelling (AU-US)
Multiple Choice
Which of the following equations represents a non-linear function whose graph is a circle with its centre not at the origin?
Options:
  • $(x-1)^2 + (y+2)^2 = 16$
  • $y=3^x$
  • $x^2+y^2=9$
  • $y = \frac{4}{x}$
Multiple Choice
Which of the following equations represents a non-linear function whose graph is a circle with its center not at the origin?
Options:
  • $(x-1)^2 + (y+2)^2 = 16$
  • $y=3^x$
  • $x^2+y^2=9$
  • $y = \frac{4}{x}$

Classifier: Contains the AU spelling "centre", which needs to be converted to "center" for US localization.

Verifier: Contains the AU spelling "centre", which requires localization to "center".

01JVJ2RBFAYTYA6TDNRC13MRS2 Localize Units (simple)
Multiple Choice
Convert $4.5$ tonnes : $750$ kg : $300000$ g into a simplified ratio.
Options:
  • $30 : 5 : 2$
  • $15 : 7 : 1$
  • $4500 : 75 : 3$
  • $45 : 7.5 : 3$
Multiple Choice
Convert $4.5$ tons : $750$ lbs : $300000$ oz into a simplified ratio.
Options:
  • $30 : 5 : 2$
  • $15 : 7 : 1$
  • $4500 : 75 : 3$
  • $45 : 7.5 : 3$

Classifier: Contains metric units (tonnes, kg, g). Note: "tonnes" is the metric spelling, further confirming the need for localization.

Verifier: Contains metric units (tonnes, kg, g). "Tonnes" is also the metric/AU spelling.

01JVJ2RBF6QTKZPYNPTDGVGKF8 Localize Units (simple)
Multiple Choice
Convert the ratio $2.5$ km : $750$ m : $120000$ cm to a simplified ratio.
Options:
  • $50 : 15 : 24$
  • $2500 : 750 : 1200$
  • $25 : 750 : 1200$
  • $25 : 7.5 : 1200$
Multiple Choice
Convert the ratio $2.5$ mi : $750$ ft : $120000$ in to a simplified ratio.
Options:
  • $50 : 15 : 24$
  • $2500 : 750 : 1200$
  • $25 : 750 : 1200$
  • $25 : 7.5 : 1200$

Classifier: Contains multiple metric units (km, m, cm) which require conversion to US customary units for a US audience.

Verifier: Contains multiple metric units (km, m, cm) which require conversion to US customary units.

01JW5RGMJ7C6BRR63EKJXY3E4S Localize Answer set
Multiple Choice
The area of a trapezium is $108$ m$^2$. Its height is $9$ m. If one parallel side is $4$ m longer than the other, find the lengths of the two parallel sides.
Options:
  • $9$ m, $13$ m
  • $12$ m, $16$ m
  • $10$ m, $14$ m
  • $8$ m, $12$ m
Multiple Choice
The area of a trapezoid is $108$ ft$^2$. Its height is $9$ ft. If one parallel side is $4$ ft longer than the other, find the lengths of the two parallel sides.
Options:
  • $9$ ft, $13$ ft
  • $12$ ft, $16$ ft
  • $10$ ft, $14$ ft
  • $8$ ft, $12$ ft

Classifier: The term "trapezium" is used, which must be localized to "trapezoid" in a US context. Additionally, metric units (m, m^2) are present. Terminology/Answer set consistency is prioritized here as the shape name is a fundamental classification difference.

Verifier: The term "trapezium" is a regional term that must be localized to "trapezoid" for US contexts. It also contains metric units (m, m^2). Terminology change is the primary driver.

01JW5RGMHDH29PYKN1MQBE2DMW Localize Terminology
Multiple Choice
Fill in the blank: Two lines have the same gradient but different $y$-intercepts. These lines are $[?]$
Options:
  • Coincident
  • Cannot be determined
  • Parallel
  • Neither (Intersecting at one point)
Multiple Choice
Fill in the blank: Two lines have the same slope but different $y$-intercepts. These lines are $[?]$
Options:
  • Coincident
  • Cannot be determined
  • Parallel
  • Neither (Intersecting at one point)

Classifier: The term "gradient" is the standard AU term for what is called "slope" in US school mathematics.

Verifier: The text uses the term "gradient", which is the standard AU term for "slope" in US school mathematics.

01JW5RGMJC3A3CYXZP0FTF77T9 Localize Units (simple)
Multiple Choice
The SI base unit for length is the metre (m). Which of these is a derived SI unit for area?
Options:
  • Cubic metre (m$^3$)
  • Hectare (ha)
  • Square metre (m$^2$)
  • Litre (L)
Multiple Choice
The SI base unit for length is the meter (m). Which of these is a derived SI unit for area?
Options:
  • Cubic meter (m$^3$)
  • Hectare (ha)
  • Square meter (m$^2$)
  • Liter (L)

Classifier: The text contains multiple metric units ("metre", "Litre", "Hectare") and AU-specific spellings ("metre", "Litre"). Per rule 6, units conversion/presence takes precedence over spelling.

Verifier: The text contains AU spellings of metric units ("metre", "Litre") and refers to metric units ("Hectare"). Per rule 1 and 3, this requires RED classification.

01JW5RGMKR1GS0E7NSXRWGCJ5F Localize Units (simple)
Multiple Choice
A rectangle has a length that is $3$ metres more than its width. If the area of the rectangle is equal to its perimeter, which equation represents this situation?
Options:
  • $x(x + 3) = 4x + 3$
  • $x(x + 3) = 2x + 2(x + 3)$
  • $x(x + 3) = 2(x + 3)$
  • $x(x + 3) = 2x + 3$
Multiple Choice
A rectangle has a length that is $3$ feet more than its width. If the area of the rectangle is equal to its perimeter, which equation represents this situation?
Options:
  • $x(x + 3) = 4x + 3$
  • $x(x + 3) = 2x + 2(x + 3)$
  • $x(x + 3) = 2(x + 3)$
  • $x(x + 3) = 2x + 3$

Classifier: Contains the metric unit "metres" which also uses AU/UK spelling. Per rule 6, units conversion is the most impactful change.

Verifier: Contains the metric unit "metres" which also uses AU/UK spelling. Per rule 5, units conversion is the most impactful change.

01JW5RGMH73S1A99NZGDXVD9S1 Localize Terminology
Multiple Choice
Two data sets are collected: Data set A: Time students spend reading in hours Data set B: Favourite book genres in a class. Which graphs best suit the data? A) Column graph for both B) Histogram for A, column graph for B C) Histogram for both D) Column graph for A, histogram for B
Options:
  • B
  • D
  • A
  • C
Multiple Choice
Two data sets are collected: Data set A: Time students spend reading in hours Data set B: Favorite book genres in a class. Which graphs best suit the data? A) Bar graph for both B) Histogram for A, bar graph for B C) Histogram for both D) Bar graph for A, histogram for B
Options:
  • B
  • D
  • A
  • C

Classifier: The term "Column graph" is standard in Australia, whereas the US equivalent is typically "Bar graph". Additionally, "Favourite" uses AU spelling.

Verifier: The text contains the AU spelling "Favourite" (US: "Favorite") and the AU specific term "Column graph" (US: "Bar graph"). Per rule 5, terminology is the more impactful change.

01JW5RGMMHYDVV0347WH3EDVA6 Localize Terminology
Multiple Choice
True or false: If a parabola has equation $y=k(x-m)(x-n)$, its turning point always occurs at $x = \dfrac{m+n}{2}$.
Options:
  • False
  • True
Multiple Choice
True or false: If a parabola has equation $y=k(x-m)(x-n)$, its vertex always occurs at $x = \dfrac{m+n}{2}$.
Options:
  • False
  • True

Classifier: Contains the AU-specific term "turning point", which in a US context is typically referred to as the "vertex".

Verifier: The term "turning point" is used, which requires localization to "vertex" for a US audience.

01JW5RGMMGXYVTX8HY3NJFTZF7 Localize Terminology
Multiple Choice
If a parabola in the form $y = a(x-p)(x-q)$ has its turning point at $(2, -18)$ and one $x$-intercept at $x=5$, what is the other $x$-intercept?
Options:
  • $1$
  • $-2$
  • $0$
  • $-1$
Multiple Choice
If a parabola in the form $y = a(x-p)(x-q)$ has its vertex at $(2, -18)$ and one $x$-intercept at $x=5$, what is the other $x$-intercept?
Options:
  • $1$
  • $-2$
  • $0$
  • $-1$

Classifier: Contains the AU-specific term "turning point", which in a US context is typically referred to as the "vertex".

Verifier: The term "turning point" is used, which requires localization to "vertex" for a US audience.

01JW5RGMMGXYVTX8HY3JPN8WR9 Localize Terminology
Multiple Choice
A parabola $y = a(x-p)(x-q)$ has x-intercepts at $x=-5$ and $x=3$. It passes through the point $(0, -15)$. Find its turning point.
Options:
  • $(-1, -15)$
  • $(-1, -16)$
  • $(-2, -15)$
  • $(-2, -16)$
Multiple Choice
A parabola $y = a(x-p)(x-q)$ has x-intercepts at $x=-5$ and $x=3$. It passes through the point $(0, -15)$. Find its vertex.
Options:
  • $(-1, -15)$
  • $(-1, -16)$
  • $(-2, -15)$
  • $(-2, -16)$

Classifier: Contains the AU-specific term "turning point", which in a US context is typically referred to as the "vertex".

Verifier: The term "turning point" is used, which requires localization to "vertex" for a US audience.

01JW5RGMQPJRPKG8KMH5NXK6SM Localize Units (simple)
Multiple Choice
The sample variance ($s^2$) for a set of measurements is calculated to be $2.25$ m$^2$. What is the sample standard deviation ($s$) in metres?
Options:
  • $2.25$ m
  • $1.125$ m
  • $5.0625$ m
  • $1.5$ m
Multiple Choice
The sample variance ($s^2$) for a set of measurements is calculated to be $2.25$ ft$^2$. What is the sample standard deviation ($s$) in feet?
Options:
  • $2.25$ ft
  • $1.125$ ft
  • $5.0625$ ft
  • $1.5$ ft

Classifier: The text contains the metric unit "metres" (AU spelling) and "m", which requires conversion to US customary units or at least spelling localization to "meters" per the hierarchy rules where any metric unit triggers a RED category.

Verifier: The text contains the metric unit "metres" (AU spelling) and "m", which requires conversion to US customary units or at least spelling localization to "meters". Per rule 3, any metric unit triggers RED.

01JW5RGMQXVG6RPJMQEMME5SXF Localize Spelling (AU-US)
Multiple Choice
A researcher is analysing factors that influence student performance on standardised mathematics tests. Which of the following cannot be used as an explanatory variable in this study?
Options:
  • Type of calculator used
  • Final standardised test score
  • Hours spent studying per week
  • Number of practice problems completed
Multiple Choice
A researcher is analyzing factors that influence student performance on standardized math tests. Which of the following cannot be used as an explanatory variable in this study?
Options:
  • Type of calculator used
  • Final standardized test score
  • Hours spent studying per week
  • Number of practice problems completed

Classifier: Contains AU/UK spellings "analysing" and "standardised" which require conversion to US "analyzing" and "standardized".

Verifier: The text contains AU/UK spellings "analysing" and "standardised" (used multiple times), which require localization to US English ("analyzing", "standardized").

01JW5RGMQ260X6ZWFBNYPBNZB2 Localize Units (simple)
Multiple Choice
A chord of length $8\sqrt{3}$ cm is in a circle of radius $8$ cm. Find the area of the minor segment formed by this chord.
Hint: The minor segment is the smaller segment made by the chord.
Options:
  • $\frac{64\pi}{3} - 32\sqrt{3}$ cm$^2$
  • $\frac{64\pi}{3} - 16\sqrt{3}$ cm$^2$
  • $32\pi - 16\sqrt{3}$ cm$^2$
  • $\frac{32\pi}{3} - 16\sqrt{3}$ cm$^2$
Multiple Choice
A chord of length $8\sqrt{3}$ in is in a circle of radius $8$ in. Find the area of the minor segment formed by this chord.
Hint: The minor segment is the smaller segment made by the chord.
Options:
  • $\frac{64\pi}{3} - 32\sqrt{3}$ in$^2$
  • $\frac{64\pi}{3} - 16\sqrt{3}$ in$^2$
  • $32\pi - 16\sqrt{3}$ in$^2$
  • $\frac{32\pi}{3} - 16\sqrt{3}$ in$^2$

Classifier: The text contains metric units ("cm" and "cm$^2$") which require conversion for US localization.

Verifier: The question and answers contain metric units (cm and cm^2) which require conversion for US localization. The conversion is straightforward (simple).

01JW7X7JXV48396RQTNTKNXA27 Localize Spelling (AU-US)
Multiple Choice
$\fbox{\phantom{4000000000}}$ represent a location on the Cartesian plane.
Options:
  • Co-ordinates
  • Numbers
  • Variables
  • Graphs
Multiple Choice
$\fbox{\phantom{4000000000}}$ represent a location on the Cartesian plane.
Options:
  • Coordinates
  • Numbers
  • Variables
  • Graphs

Classifier: The answer choice "Co-ordinates" uses a hyphen which is common in AU/UK English but typically omitted in US English ("Coordinates"). While often a stylistic choice, in the context of localization, the hyphenated version is a signal for non-US spelling.

Verifier: The answer choice "Co-ordinates" uses a hyphen, which is the standard AU/UK spelling, whereas US English uses "Coordinates". This requires localization to the US spelling.

01JW7X7JWPCQFR56NAQB56H6S7 Localize Spelling (AU-US)
Multiple Choice
Scaling involves changing the $\fbox{\phantom{4000000000}}$ of a shape.
Options:
  • size
  • orientation
  • colour
  • location
Multiple Choice
Scaling involves changing the $\fbox{\phantom{4000000000}}$ of a shape.
Options:
  • size
  • orientation
  • color
  • location

Classifier: The answer set contains the AU spelling "colour", which requires conversion to the US spelling "color".

Verifier: The answer set contains the AU spelling "colour", which requires localization to the US spelling "color".

01JW5RGMR0JS4ZCQ655G1M3E7H Localize Units (simple)
Multiple Choice
Which of the following datasets contains both categorical and numerical variables?
Options:
  • A list of student birth years and heights
  • A table of car engine sizes in litres
  • A record of weekly rainfall amounts over a year
  • A list of laptop brands and their processor speeds
Multiple Choice
Which of the following datasets contains both categorical and numerical variables?
Options:
  • A list of student birth years and heights
  • A table of car engine sizes in gallons
  • A record of weekly rainfall amounts over a year
  • A list of laptop brands and their processor speeds

Classifier: Contains the metric unit "litres" with AU spelling. This requires both spelling correction and potentially unit conversion/localization.

Verifier: Contains the metric unit "litres" with AU spelling. This requires both spelling correction to "liters" and unit conversion/localization as per the decision rules (ANY metric unit = at least RED.units_simple_conversion).

01JW7X7JX3Y69JQDZ39G17T6BD Localize Spelling (AU-US)
Multiple Choice
A $\fbox{\phantom{4000000000}}$ is a three-dimensional solid with all points on its surface equidistant from its centre.
Options:
  • cone
  • pyramid
  • sphere
  • cylinder
Multiple Choice
A $\fbox{\phantom{4000000000}}$ is a three-dimensional solid with all points on its surface equidistant from its center.
Options:
  • cone
  • pyramid
  • sphere
  • cylinder

Classifier: Contains the AU spelling "centre", which must be localized to "center" for US English.

Verifier: The text contains the AU/British spelling "centre", which requires localization to "center" for US English.

01JW7X7JXDPPH38DFGQKXYKTEY Localize Terminology
Multiple Choice
$\fbox{\phantom{4000000000}}$ equations are a set of two or more equations with multiple variables.
Options:
  • Simultaneous
  • Linear
  • Algebraic
  • Quadratic
Multiple Choice
A $\fbox{\phantom{4000000000}}$ of equations is a set of two or more equations with multiple variables.
Options:
  • system
  • Linear
  • Algebraic
  • Quadratic

Classifier: The term "Simultaneous equations" is the standard term in AU/UK curricula, whereas the US curriculum almost exclusively uses "Systems of equations". This is a terminology mapping issue.

Verifier: The term "Simultaneous equations" is the standard terminology in the Australian curriculum, whereas the US curriculum uses "Systems of equations". This requires localization for the US market.

01JW7X7JX6E6B88K2SPD1YPKB8 Localize Spelling (AU-US)
Multiple Choice
The $\fbox{\phantom{4000000000}}$ of rotation refers to how many degrees an object is turned.
Options:
  • angle
  • magnitude
  • direction
  • centre
Multiple Choice
The $\fbox{\phantom{4000000000}}$ of rotation refers to how many degrees an object is turned.
Options:
  • angle
  • magnitude
  • direction
  • center

Classifier: The answer set contains the AU spelling "centre", which requires localization to the US spelling "center".

Verifier: The answer choice "centre" is the AU/British spelling and requires localization to the US spelling "center".

01JW7X7JXXHGXYVYM3QCSH3TV6 Localize Spelling (AU-US)
Multiple Choice
Powers do not $\fbox{\phantom{4000000000}}$ over addition or subtraction, meaning $(a + b)^n$ is not equal to $a^n + b^n$.
Options:
  • associate
  • factorise
  • distribute
  • commute
Multiple Choice
Exponents do not $\fbox{\phantom{4000000000}}$ over addition or subtraction, meaning $(a + b)^n$ is not equal to $a^n + b^n$.
Options:
  • associate
  • factor
  • distribute
  • commute

Classifier: The answer choice "factorise" uses the AU/UK "-ise" suffix, which must be localized to the US "-ize" suffix ("factorize").

Verifier: The answer choice "factorise" uses the AU/UK "-ise" suffix, which must be localized to the US "-ize" suffix ("factorize").

01JW7X7JXZGD25TM7V8NM0PN66 Localize Spelling (AU-US)
Multiple Choice
Tree diagrams can be used to visualise and solve problems involving $\fbox{\phantom{4000000000}}$ events.
Options:
  • codependent
  • single
  • dependent
  • mutually exclusive
Multiple Choice
Tree diagrams can be used to visualize and solve problems involving $\fbox{\phantom{4000000000}}$ events.
Options:
  • codependent
  • single
  • dependent
  • mutually exclusive

Classifier: The word "visualise" uses the AU/UK "-ise" spelling, which requires conversion to the US "visualize".

Verifier: The word "visualise" in the question content uses the AU/UK "-ise" spelling, which requires conversion to the US "visualize".

01JW7X7JY1FVNJEHQNM6FN79SF Localize Spelling (AU-US)
Multiple Choice
Factorising by grouping is a $\fbox{\phantom{4000000000}}$ used to factorise expressions with four or more terms.
Options:
  • method
  • formula
  • equation
  • solution
Multiple Choice
Factoring by grouping is a $\fbox{\phantom{4000000000}}$ used to factor expressions with four or more terms.
Options:
  • method
  • formula
  • equation
  • solution

Classifier: Contains the AU spelling "Factorising" and "factorise", which require conversion to US spelling "Factorizing" and "factorize".

Verifier: The text contains "Factorising" and "factorise", which are AU/British spellings. The US equivalent is "Factorizing" and "factorize".

01JW7X7JY3VK0HPMSH2HANQQYA Localize Spelling (AU-US)
Multiple Choice
$\fbox{\phantom{4000000000}}$ a denominator means rewriting a fraction so that the denominator no longer contains a radical.
Options:
  • Evaluating
  • Rationalising
  • Solving
  • Simplifying
Multiple Choice
$\fbox{\phantom{4000000000}}$ a denominator means rewriting a fraction so that the denominator no longer contains a radical.
Options:
  • Evaluating
  • Rationalizing
  • Solving
  • Simplifying

Classifier: Contains the AU spelling "Rationalising" in the answer set, which requires conversion to US spelling "Rationalizing".

Verifier: The answer set contains "Rationalising", which is the AU/British spelling. The US spelling is "Rationalizing".

01JW7X7JY51DBG4AS3ZCDRY4DJ Localize Spelling (AU-US)
Multiple Choice
The $\fbox{\phantom{4000000000}}$ is the distance from the centre of a circle to any point on its circumference.
Options:
  • diameter
  • radius
  • arc
  • chord
Multiple Choice
The $\fbox{\phantom{4000000000}}$ is the distance from the center of a circle to any point on its circumference.
Options:
  • diameter
  • radius
  • arc
  • chord

Classifier: Contains the AU spelling "centre", which requires conversion to US spelling "center".

Verifier: The text contains the AU/British spelling "centre", which requires localization to the US spelling "center".

01JW7X7JYX0CNBRQ3VSQNW75KV Localize Answer set
Multiple Choice
A $\fbox{\phantom{4000000000}}$ is a quadrilateral with four right angles and opposite sides equal.
Options:
  • trapezium
  • rectangle
  • rhombus
  • parallelogram
Multiple Choice
A $\fbox{\phantom{4000000000}}$ is a quadrilateral with four right angles and opposite sides equal.
Options:
  • trapezoid
  • rectangle
  • rhombus
  • parallelogram

Classifier: The answer set contains the term "trapezium", which in the US refers to a quadrilateral with no parallel sides, whereas in AU/UK it refers to a quadrilateral with one pair of parallel sides (which the US calls a "trapezoid"). Even though the correct answer here is "rectangle", the presence of "trapezium" in the distractor set requires localization to "trapezoid" for US consistency.

Verifier: The presence of "trapezium" in the answer set requires localization to "trapezoid" for US audiences, as the two terms have different definitions in US vs AU/UK geometry.

01JW7X7JZDD9Y77VG3QPTZ88K8 Localize Spelling (AU-US)
Multiple Choice
$\fbox{\phantom{4000000000}}$ is the study of collecting, analysing, interpreting, presenting and organising data.
Options:
  • Mathematics
  • Algebra
  • Geometry
  • Statistics
Multiple Choice
$\fbox{\phantom{4000000000}}$ is the study of collecting, analyzing, interpreting, presenting and organizing data.
Options:
  • Mathematics
  • Algebra
  • Geometry
  • Statistics

Classifier: The text contains two instances of AU-specific spelling: "analysing" (US: analyzing) and "organising" (US: organizing).

Verifier: The text contains "analysing" and "organising", which are AU/British spellings (US: analyzing, organizing). This requires RED classification per rule 1.

01JW7X7JZFEE9F01MQH9884S3N Localize Spelling (AU-US)
Multiple Choice
$\fbox{\phantom{4000000000}}$ is the process of rewriting an expression as a product of its factors.
Options:
  • Simplifying
  • Expanding
  • Solving
  • Factorising
Multiple Choice
$\fbox{\phantom{4000000000}}$ is the process of rewriting an expression as a product of its factors.
Options:
  • Simplifying
  • Expanding
  • Solving
  • Factoring

Classifier: The answer choice "Factorising" uses the AU 's' spelling, which requires conversion to the US 'z' spelling ("Factorizing").

Verifier: The answer choice "Factorising" uses the AU/UK spelling with an 's'. US English requires "Factorizing" with a 'z'.

01JW7X7JZKM0WX5C9CWY86EW2Q Localize Answer set
Multiple Choice
A rhombus is a $\fbox{\phantom{4000000000}}$ with all sides equal in length.
Options:
  • trapezium
  • parallelogram
  • circle
  • triangle
Multiple Choice
A rhombus is a $\fbox{\phantom{4000000000}}$ with all sides equal in length.
Options:
  • trapezoid
  • parallelogram
  • circle
  • triangle

Classifier: The answer set contains the term "trapezium", which is the standard AU/UK term for a quadrilateral with one pair of parallel sides. In the US, this is called a "trapezoid". This requires localization for answer set consistency.

Verifier: The term "trapezium" is used in the answer set. In Australia/UK, a trapezium is a quadrilateral with one pair of parallel sides, whereas in the US, this is called a "trapezoid". This requires localization for terminology consistency.

01JW7X7JZXAPGHM98QYZNDCJTF Localize Terminology
Multiple Choice
$\fbox{\phantom{4000000000}}$ is an acronym that represents the order of operations in mathematics.
Options:
  • DMASBO
  • ORDER
  • SET
  • BODMAS
Multiple Choice
$\fbox{\phantom{4000000000}}$ is an acronym that represents the order of operations in math.
Options:
  • ASMDPE
  • ORDER
  • SET
  • PEMDAS

Classifier: The text refers to "BODMAS" as the acronym for order of operations. In the US, "PEMDAS" is the standard school terminology. This requires localization of the acronym and potentially the distractors.

Verifier: The text uses "BODMAS", which is the standard acronym for order of operations in Australia/UK, whereas "PEMDAS" is the standard in the US. This is a school-context terminology difference.

01JW7X7JZQG135AV20PV4G3CKB Localize Spelling (AU-US)
Multiple Choice
A $\fbox{\phantom{4000000000}}$ organises data by showing the number of times each value occurs.
Options:
  • graph
  • frequency table
  • diagram
  • chart
Multiple Choice
A $\fbox{\phantom{4000000000}}$ organizes data by showing the number of times each value occurs.
Options:
  • graph
  • frequency table
  • diagram
  • chart

Classifier: The text contains the AU spelling "organises", which needs to be converted to the US spelling "organizes".

Verifier: The source text contains the word "organises", which is the AU/UK spelling. The US spelling is "organizes".

01JW7X7K0AXANF34QAV3A12E7M Localize Units (simple)
Multiple Choice
A $\fbox{\phantom{4000000000}}$ is a unit of weight equal to $1000$ grams.
Options:
  • tonne
  • kilogram
  • milligram
  • gram
Multiple Choice
A $\fbox{\phantom{4000000000}}$ is a unit of weight equal to $2000$ pounds.
Options:
  • ton
  • pound
  • ounce
  • slug

Classifier: The text contains multiple metric units ("grams", "kilogram", "milligram", "gram") and the AU/UK spelling of "tonne". Any metric unit requires RED classification per decision rules.

Verifier: The text contains multiple metric units ("grams", "kilogram", "milligram", "gram") and the AU/UK spelling of "tonne". Per rule 3, any metric unit requires RED classification.

01JW5RGMJDT4PGJC3ZMMW14WPR Localize Units (simple)
Multiple Choice
If a length is $5$ millimetres (mm), how many metres is this?
Options:
  • $0.05$ m
  • $0.5$ m
  • $5000$ m
  • $0.005$ m
Multiple Choice
If a length is $5$ inches (in), how many feet is this?
Options:
  • $4.17$ ft
  • $41.7$ ft
  • $60$ ft
  • $0.417$ ft

Classifier: Contains metric units "millimetres" and "metres" with AU spelling. Requires conversion or localization of the unit system/spelling.

Verifier: The text contains metric units ("millimetres", "metres") with AU spelling.

KxWduPEl38xEoFKhCXPC Localize Units (simple)
Question
Convert $15$ L to m$^3$.
Answer:
  • 0.015
Question
Convert $15$ gal to ft$^3$.
Answer:
  • 2.005

Classifier: The question explicitly uses metric units ("L" for litres and "m^3" for cubic metres) and asks for a conversion between them. This requires localization to US customary units or a decision on metric pedagogy.

Verifier: The question explicitly uses metric units ("L" for litres and "m^3" for cubic metres) and asks for a conversion. Per rule 3, any metric unit requires at least RED.units_simple_conversion.

LPuRMFMXDuPmjbYfRDuZ Localize Spelling (AU-US)
Question
Write $x^2+2x+3x+6$ in factorised form.
Options:
  • (({x}+3)\cdot({x}+2))
  • ({x}+2)({x}+3)
Question
Write $x^2+2x+3x+6$ in factored form.
Options:
  • (({x}+3)\cdot({x}+2))
  • ({x}+2)({x}+3)

Classifier: The word "factorised" uses the AU/UK 's' spelling. In US English, this must be "factorized".

Verifier: The word "factorised" is the AU/UK spelling. US English requires "factorized". Per rule 1, AU spelling always requires RED classification.

M9bv9Su5Yj4g2hSzw2dm Localize Spelling (AU-US)
Question
In a group of travel enthusiasts, $11\%$ have travelled to neither France nor the USA, while $40\%$ have only travelled to the USA and $25\%$ have only travelled to France. What percentage of them have travelled to both countries?
Answer:
  • 24
Question
In a group of travel enthusiasts, $11\%$ have traveled to neither France nor Canada, while $40\%$ have only traveled to Canada and $25\%$ have only traveled to France. What percentage of them have traveled to both countries?
Answer:
  • 24

Classifier: Contains the AU/UK spelling "travelled" (double 'l'), which requires conversion to the US spelling "traveled".

Verifier: The word "travelled" is used multiple times, which is the AU/UK spelling. US spelling is "traveled".

MfPY2agKZAl8cJ6hTB4C Localize Terminology
Question
Which number greater than $55$ completes the Pythagorean triple? $\{48, 55, [?]\}$
Hint: A Pythagorean triple is a set of integer side lengths that make up a right-angled triangle.
Answer:
  • 73
Question
Which number greater than $55$ completes the Pythagorean triple? $\{48, 55, [?]\}$
Hint: A Pythagorean triple is a set of integer side lengths that make up a right triangle.
Answer:
  • 73

Classifier: Contains the AU school term "right-angled triangle", which should be localized to "right triangle" in a US context.

Verifier: The hint contains "right-angled triangle", which is the standard AU term for what is called a "right triangle" in the US.

LtapqSkcY9T5EYMgygQl Localize Units (simple)
Question
A sector has a radius of $2$ cm and an area of $4$ cm$^2$. What is the central angle of the sector in degrees?
Answer:
  • 114.59
Question
A sector has a radius of $2$ in and an area of $4$ in$^2$. What is the central angle of the sector in degrees?
Answer:
  • 114.59

Classifier: The question contains metric units ("cm" and "cm$^2$") which require conversion to US customary units (e.g., inches).

Verifier: The question contains metric units ("cm" and "cm^2") which require conversion to US customary units.

01JW7X7K0DKXXN0ABZGZEJXKT5 Localize Terminology
Multiple Choice
The $\fbox{\phantom{4000000000}}$ of a line is a measure of its steepness.
Options:
  • intercept
  • gradient
  • slope
  • equation
Multiple Choice
The $\fbox{\phantom{4000000000}}$ of a line is a measure of its steepness.
Options:
  • intercept
  • slope
  • gradient
  • equation

Classifier: The term "gradient" is the standard AU/UK term for the steepness of a line, whereas "slope" is the standard US term. While both appear in the answer set, the primary term being tested/defined in this context is "gradient".

Verifier: The term "gradient" is the standard AU/UK term for the steepness of a line, whereas "slope" is the standard US term. This is a school-context terminology difference.

MewhS6WEJeXsR6pRvdaI Localize Spelling (AU-US)
Multiple Choice
Which of these is true for the curve of a normal distribution?
Options:
  • The curve terminates on both sides equally
  • The mean lies on the extreme ends of the curve
  • The standard deviation lies at the centre of the curve
  • The mean divides the curve symmetrically
Multiple Choice
Which of these is true for the curve of a normal distribution?
Options:
  • The curve terminates on both sides equally
  • The mean lies on the extreme ends of the curve
  • The standard deviation lies at the center of the curve
  • The mean divides the curve symmetrically

Classifier: Contains the AU spelling "centre", which requires conversion to the US spelling "center".

Verifier: The text contains the AU spelling "centre" in one of the answer choices, which requires localization to "center".

Ln1XJa9cIcs0ZyKUu8L5 Localize Units (simple)
Question
What is the average velocity? Velocity $v(t)=t^2+t+2t^3$ m/s $t_{initial}=3$ seconds $t_{final}=6$ seconds
Answer:
  • 228
Question
What is the average velocity? Velocity $v(t)=t^2+t+2t^3$ ft/s $t_{initial}=3$ seconds $t_{final}=6$ seconds
Answer:
  • 228

Classifier: The text contains metric units ("m/s") which require localization to US customary units or a decision on metric usage in US physics contexts. Per rules, any metric unit triggers a RED category.

Verifier: The question contains the metric unit "m/s" (metres per second). Per the decision rules, any metric unit requires at least a RED classification. Since it is a simple calculation of average velocity from a polynomial without complex interlinked unit conversions, simple_conversion is appropriate.

MF1kP1olIoyvwDhKcBCr Localize Terminology
Multiple Choice
What is the derivative of $\ln{(\sin{(x)})}$?
Options:
  • $\tan({x})$
  • $\sec({x})$
  • $\cot({x})$
  • $\cosec({x})$
Multiple Choice
What is the derivative of $\ln{(\sin{(x)})}$?
Options:
  • $\tan({x})$
  • $\sec({x})$
  • $\cot({x})$
  • $\csc({x})$

Classifier: The answer set contains the notation "\cosec", which is the standard AU/UK abbreviation for cosecant. In the US, "\csc" is the standard notation.

Verifier: The answer set contains the notation "\cosec", which is the standard AU/UK abbreviation for cosecant. In the US, "\csc" is the standard notation.

MCIizIDI85pY5hH99K5h Localize Spelling (AU-US)
Multiple Choice
How is $281$ written in words?
Options:
  • Two hundred and eighty-one
  • Twenty eight hundred one
  • Two hundred eight one
  • Twenty eight one
Multiple Choice
How is $281$ written in words?
Options:
  • Two hundred eighty-one
  • Twenty-eight hundred one
  • Two hundred eight one
  • Twenty-eight one

Classifier: The correct answer "Two hundred and eighty-one" uses the conjunction "and" between the hundreds and tens place. While common in AU/UK English, US English pedagogy typically omits the "and" (e.g., "Two hundred eighty-one") as "and" is reserved for the decimal point. This is a stylistic/spelling convention difference in number naming.

Verifier: The inclusion of "and" in "Two hundred and eighty-one" is a hallmark of AU/UK number naming pedagogy, whereas US pedagogy explicitly teaches to omit "and" unless representing a decimal point.

LXbU1A1avYx61GfynEPq Localize Terminology
Question
The equation $-3x+5y=-15$ can be written as $y=mx+c$, where $m$ is the gradient of the line. What is the value of $m$ ?
Answer:
  • \frac{3}{5}
Question
The equation $-3x+5y=-15$ can be written as $y=mx+b$, where $m$ is the slope of the line. What is the value of $m$ ?
Answer:
  • \frac{3}{5}

Classifier: The term "gradient" is used to describe the slope of a line, and the form "y=mx+c" is used. In US curriculum, "slope" is the standard term, and "y=mx+b" is the standard form.

Verifier: The text uses "gradient" (AU/UK) instead of "slope" (US) and the form "y=mx+c" (AU/UK) instead of "y=mx+b" (US). This requires localization for the US market.

M34RKSwgfBf4fwjSQ8zR Localize Units (simple)
Question
The distance between the park and the supermarket is $4860$ m. Shane travelled $1020$ m by bus, $750$ m by rented bicycle, and $372$ m on foot. How much distance does he still need to cover?
Answer:
  • 2718
Question
The distance between the park and the supermarket is $4860$ ft. Shane traveled $1020$ ft by bus, $750$ ft by rented bicycle, and $372$ ft on foot. How much distance does he still need to cover?
Answer:
  • 2718

Classifier: The text contains the metric unit 'm' (metres) multiple times, which requires conversion to US customary units (e.g., feet or yards) for US localization.

Verifier: The question uses the metric unit "m" (metres) multiple times, which requires conversion to US customary units. The calculation is a simple subtraction of values, fitting the simple conversion category.

LdWlXJ4ihplVd7Ig0KNi Localize Units (simple)
Question
A student wants to find the mass of a block of wood that has a volume of $1000$ cm$^3$ and a density of $0.6$ g/cm$^3$. What is the mass of the block of wood in grams?
Answer:
  • 600
Question
A student wants to find the mass of a block of wood that has a volume of $1000$ in$^3$ and a density of $0.6$ oz/in$^3$. What is the mass of the block of wood in ounces?
Answer:
  • 600

Classifier: The question contains multiple metric units (cm^3, g/cm^3, grams) which require localization to US customary units or a policy-based decision on metric usage in science contexts. Per rules, any metric unit triggers a RED classification.

Verifier: The question contains metric units (cm^3, g/cm^3, grams) which require localization. Simple conversion is appropriate as it is a straightforward density calculation.

LNLAPstXLR56Ok9G88mt Localize Terminology
Multiple Choice
In $\triangle ABC$ and $\triangle DEF$, $\angle A \cong \angle D$, $AB \cong DE$, and $AC \cong DF$. Which congruency test proves $\triangle ABC \cong \triangle DEF$?
Options:
  • RHS
  • ASA
  • SSS
  • SAS
Multiple Choice
In $\triangle ABC$ and $\triangle DEF$, $\angle A \cong \angle D$, $AB \cong DE$, and $AC \cong DF$. Which congruence theorem proves $\triangle ABC \cong \triangle DEF$?
Options:
  • HL
  • ASA
  • SSS
  • SAS

Classifier: The answer choice "RHS" (Right-angle, Hypotenuse, Side) is a standard AU/UK term for triangle congruence that is typically referred to as "HL" (Hypotenuse-Leg) in the US. Additionally, "congruency test" is more commonly "congruence theorem/postulate" in the US.

Verifier: The term "RHS" (Right-angle, Hypotenuse, Side) is the AU/UK equivalent of the US "HL" (Hypotenuse-Leg) theorem. "Congruency test" is also more common in AU than US "congruence theorem".

Mmyze4gEJjrAGS7masE6 Localize Units (simple)
Multiple Choice
Fill in the blank: The mass of the garbage collected in a day from a city is best measured in $[?]$.
Options:
  • Grams
  • Kilograms
  • Tonnes
  • Milligrams
Multiple Choice
Fill in the blank: The weight of the trash collected in a day from a city is best measured in $[?]$.
Options:
  • Ounces
  • Pounds
  • Tons
  • Grains

Classifier: The question and answer set are entirely based on metric units (Grams, Kilograms, Tonnes, Milligrams). Per decision rules, any metric unit requires classification into a units category. Additionally, "Tonnes" is the AU spelling (US is "tons" or "metric tons").

Verifier: The question is based on metric units (Grams, Kilograms, Tonnes, Milligrams). "Tonnes" is also the AU spelling. Per rule 3, any metric unit requires RED classification.

Mj5XX3NdOdFq1QjoIRRQ Localize Spelling (AU-US)
Multiple Choice
Fill in the blank: The prime factorisation of $140$ is $[?]$.
Options:
  • $2\times 2\times 5\times 3\times 7 $
  • $2\times 2\times 5\times 7$
  • $2\times 2\times 5$
  • $2\times 2\times 7$
Multiple Choice
Fill in the blank: The prime factorization of $140$ is $[?]$.
Options:
  • $2\times 2\times 5\times 3\times 7 $
  • $2\times 2\times 5\times 7$
  • $2\times 2\times 5$
  • $2\times 2\times 7$

Classifier: Contains the AU spelling "factorisation", which requires conversion to the US spelling "factorization".

Verifier: The text contains "factorisation", which is the AU/UK spelling. US spelling is "factorization".

01JW7X7K0KK1V98MPJGPZ1WRTB Localize Spelling (AU-US)
Multiple Choice
A $\fbox{\phantom{4000000000}}$ is a diagram used to visualise the possible outcomes of a multi-stage experiment.
Options:
  • frequency table
  • graph
  • chart
  • tree diagram
Multiple Choice
A $\fbox{\phantom{4000000000}}$ is a diagram used to visualize the possible outcomes of a multi-stage experiment.
Options:
  • frequency table
  • graph
  • chart
  • tree diagram

Classifier: The word "visualise" uses the AU/UK 's' spelling and requires conversion to the US 'z' spelling ("visualize").

Verifier: The word "visualise" uses the AU/UK 's' spelling and requires conversion to the US 'z' spelling ("visualize").

LI6pycPRLnQ5cty2R0TR Localize Terminology
Multiple Choice
Which of the following is not a Pythagorean triple?
Hint: A Pythagorean triple is a set of integer side lengths that make up a right-angled triangle.
Options:
  • $\{11, 60, 61\}$
  • $\{9, 39, 40\}$
  • $\{8, 15, 17\}$
  • $\{5, 12, 13\}$
Multiple Choice
Which of the following is not a Pythagorean triple?
Hint: A Pythagorean triple is a set of integer side lengths that make up a right triangle.
Options:
  • $\{11, 60, 61\}$
  • $\{9, 39, 40\}$
  • $\{8, 15, 17\}$
  • $\{5, 12, 13\}$

Classifier: The hint contains the term "right-angled triangle", which is the standard AU/UK term. In the US, this is localized to "right triangle".

Verifier: The term "right-angled triangle" is the standard AU/UK term, whereas the US uses "right triangle". This requires localization for terminology.

LByjMBe1bGBJYFAOha64 Localize Units (simple)
Multiple Choice
A particle moves in a straight line with velocity $v(t)=t^3-6t^2+25$ m/s for time $t\geq0$ (seconds). Find the direction in which the particle is moving at $t=5$ s.
Options:
  • None of the above
  • The particle is at rest
  • The particle is moving to the left
  • The particle is moving to the right
Multiple Choice
A particle moves in a straight line with velocity $v(t)=t^3-6t^2+25$ ft/s for time $t\geq0$ (seconds). Find the direction in which the particle is moving at $t=5$ s.
Options:
  • None of the above
  • The particle is at rest
  • The particle is moving to the left
  • The particle is moving to the right

Classifier: The text contains the metric unit "m/s" (metres per second). According to the decision rules, any metric unit found anywhere in the text requires classification into a units category.

Verifier: The text contains metric units "m/s" and "s" (seconds). Per rule 3, any metric unit requires RED classification. Since the conversion is a straightforward unit change and doesn't involve complex re-derivation of coefficients in the provided function, simple_conversion is appropriate.

LzeAl1DNb6FEgza923j2 Localize Spelling (AU-US)
Multiple Choice
Factorise $24x^{2}y^{2}-6xy^2$
Options:
  • $y^{2}(24x-6y)$
  • $6xy^{2}(4x-1)$
  • $12x^{2}y(6x-y^2)$
  • $6xy^{2}(4x-y)$
Multiple Choice
Factor $24x^{2}y^{2}-6xy^2$
Options:
  • $y^{2}(24x-6y)$
  • $6xy^{2}(4x-1)$
  • $12x^{2}y(6x-y^2)$
  • $6xy^{2}(4x-y)$

Classifier: The word "Factorise" uses the AU/UK 's' spelling and needs to be converted to the US 'z' spelling ("Factorize").

Verifier: The word "Factorise" is the AU/UK spelling and requires localization to "Factorize" for the US locale.

NIoNLZrSqw5bRDTaoNgB Localize Spelling (AU-US)
Multiple Choice
True or false: To rationalise the denominator of ${\Large\frac{c}{a+\sqrt{b}}}$, multiply and divide it with the radical conjugate of the denominator.
Options:
  • False
  • True
Multiple Choice
True or false: To rationalize the denominator of ${\Large\frac{c}{a+\sqrt{b}}}$, multiply and divide it by the radical conjugate of the denominator.
Options:
  • False
  • True

Classifier: Contains the AU spelling "rationalise", which needs to be converted to the US spelling "rationalize".

Verifier: The text contains the AU/British spelling "rationalise", which must be changed to the US spelling "rationalize".

NSfjOzHB17CtNFZt1BKb Localize Terminology
Question
A random survey of $650$ people was conducted, and their responses recorded, with $164$ people agreeing that maths was their favourite subject at school. Find the margin of error of a $98\%$ confidence interval constructed from this data.
Answer:
  • 0.0396
Question
A random survey of $650$ people was conducted, and their responses recorded, with $164$ people agreeing that math was their favorite subject at school. Find the margin of error of a $98\%$ confidence interval constructed from this data.
Answer:
  • 0.0396

Classifier: Contains the AU-specific term "maths", which should be localized to "math" for a US audience. Also uses "favourite" (AU spelling), but terminology is the higher priority flag.

Verifier: Contains "maths" (terminology) and "favourite" (spelling). Terminology is the higher priority flag.

NaK44FbzmzEvVHSxma9K Localize Units (simple)
Question
Find the area of a sector of radius $10$ cm with a central angle of $\frac{\pi}{6}$ radians.
Answer:
  • 26.179
Question
Find the area of a sector of radius $10$ in with a central angle of $\frac{\pi}{6}$ radians.
Answer:
  • 26.179

Classifier: The text contains the metric unit "cm" (centimetres) and "cm^2", which requires conversion to US customary units or a different unit strategy for US localization.

Verifier: The question contains metric units ("cm" and "cm^2") which require conversion for US localization. It is a simple conversion as it involves a single numeric radius and a standard area formula.

NIhAzbNNMtABpW0QOG9b Localize Units (simple)
Question
The displacement function of a car is $s(t)=4t^2+5t+15$ km for $0\leq t\leq 7$ h. Find the car's average velocity from $t=1$ to $t=4$ hours.
Answer:
  • 26.67
Question
The displacement function of a car is $s(t)=4t^2+5t+15$ mi for $0\leq t\leq 7$ h. Find the car's average velocity from $t=1$ to $t=4$ hours.
Answer:
  • 25.00

Classifier: Contains metric units "km" and "km/h" which require conversion to US customary units (miles and mph).

Verifier: The question contains metric units "km" and "km/h" which require conversion to US customary units. Since the conversion is a straightforward numeric change to the result of the calculation, simple_conversion is appropriate.

N7CFTViC8OLAZfUlGLvn Localize Terminology
Multiple Choice
Fill in the blank: The gradient-intercept form of the linear equation $5x+3y=11$ is $[?]$.
Options:
  • $y=-\frac{5}{3}x+\frac{11}{3}$
  • $y=-\frac{5}{3}x-11$
  • $3y=-5x+11$
  • $y=\frac{5}{3}x-\frac{11}{3}$
Multiple Choice
Fill in the blank: The slope-intercept form of the linear equation $5x+3y=11$ is $[?]$.
Options:
  • $y=-\frac{5}{3}x+\frac{11}{3}$
  • $y=-\frac{5}{3}x-11$
  • $3y=-5x+11$
  • $y=\frac{5}{3}x-\frac{11}{3}$

Classifier: The term "gradient-intercept form" is the standard AU term for what is called "slope-intercept form" in the US.

Verifier: "Gradient-intercept form" is the specific Australian curriculum term for what is known as "slope-intercept form" in the US.

NubDdlOB2XtIkcSvNLuV Localize Spelling (AU-US)
Multiple Choice
True or false: It is mandatory for every organisation to pay dividends to its stakeholders.
Options:
  • False
  • True
Multiple Choice
True or false: It is mandatory for every organization to pay dividends to its stakeholders.
Options:
  • False
  • True

Classifier: The word "organisation" uses the AU/UK 's' spelling; the US standard is "organization".

Verifier: The word "organisation" uses the AU/UK 's' spelling; the US standard is "organization". Per rule 1, AU spelling always requires RED classification.

NifZRu6ZkjU9GwosBvOl Localize Terminology
Question
Which number less than $85$ completes the Pythagorean triple? $\{13,[?],85\}$
Hint: A Pythagorean triple is a set of integer side lengths that make up a right-angled triangle.
Answer:
  • 84
Question
Which number less than $85$ completes the Pythagorean triple? $\{13,[?],85\}$
Hint: A Pythagorean triple is a set of integer side lengths that make up a right triangle.
Answer:
  • 84

Classifier: Contains the AU-specific term "right-angled triangle", which should be localized to "right triangle" in a US context.

Verifier: The hint contains the term "right-angled triangle", which is the standard AU/UK term. In the US, "right triangle" is used. This requires localization.

Nr3Ye62lTYrG3alF5F5d Localize Units (simple)
Multiple Choice
An object has an initial velocity of $38$ m/s and moves with a constant acceleration $a(t)=-5t$ m/s$^2$ for all $t\geq0$. State whether the speed of the object is increasing or decreasing at $t=4$ s.
Options:
  • Speed is decreasing
  • Speed is increasing
Multiple Choice
An object has an initial velocity of $38$ ft/s and moves with a constant acceleration $a(t)=-5t$ ft/s$^2$ for all $t\geq0$. State whether the speed of the object is increasing or decreasing at $t=4$ s.
Options:
  • Speed is decreasing
  • Speed is increasing

Classifier: Contains metric units (m/s and m/s^2) which require conversion for US localization.

Verifier: The question contains metric units (m/s and m/s^2) which require conversion for US localization. Since it's a simple physics problem with a few values and no complex formula re-derivation needed for the conversion, simple_conversion is appropriate.

Nw9ztwo7Lm2W3RNlbJVj Localize Units (simple)
Question
An object moves with a displacement given by the function $s(t)=2t^2+5t-2$ m for $t\geq 0$ s. Find the speed at $t=0$ s.
Hint: First, find the velocity function.
Answer:
  • 5
Question
An object moves with a displacement given by the function $s(t)=2t^2+5t-2$ ft for $t\geq 0$ s. Find the speed at $t=0$ s.
Hint: First, find the velocity function.
Answer:
  • 5

Classifier: The text contains metric units ("m", "s", "m/s") which require localization to US customary units.

Verifier: The text contains metric units "m" (metres) and "s" (seconds) in a physics context. While there is a function $s(t)$, the units are explicitly stated as "m" and "s", requiring conversion. It is simple because it's a single value calculation.

NZ96RvfOXVcWwhPUHLfm Localize Terminology
Multiple Choice
A vehicle crossing a bridge can be represented by the parabolic function $y = -3(x - 4)^2 + 7$. What is its turning point?
Options:
  • $(4,-7)$
  • $(4,7)$
  • $(-4,-7)$
  • $(-4,7)$
Multiple Choice
A vehicle crossing a bridge can be represented by the parabolic function $y = -3(x - 4)^2 + 7$. What is its vertex?
Options:
  • $(4,-7)$
  • $(4,7)$
  • $(-4,-7)$
  • $(-4,7)$

Classifier: The term "turning point" is standard AU school terminology for the vertex of a parabola. In a US context, "vertex" is the required term.

Verifier: The term "turning point" is the standard AU school term for what is called the "vertex" of a parabola in the US.

NVOheqYpjmc8y9FdfJeJ Localize Spelling (AU-US)
Multiple Choice
How can seasonality be adjusted for the given data? The deseasonalised value is $0.714 \ \times$ the actual value.
Options:
  • Increase the actual value by $\approx40\%$
  • Decrease the actual value by $\approx40\%$
  • Increase the actual value by $\approx28.6\%$
  • Decrease the actual value by $\approx28.6\%$
Multiple Choice
How can seasonality be adjusted for the given data? The deseasonalized value is $0.714 \ \times$ the actual value.
Options:
  • Increase the actual value by $\approx40\%$
  • Decrease the actual value by $\approx40\%$
  • Increase the actual value by $\approx28.6\%$
  • Decrease the actual value by $\approx28.6\%$

Classifier: Contains the AU spelling "deseasonalised", which requires conversion to the US spelling "deseasonalized".

Verifier: The text contains "deseasonalised", which is the AU spelling of the US "deseasonalized".

NtprxR8ozAe2GKWCAxHC Localize Terminology
Multiple Choice
Convert the equation $y = -4x^2 + 8x -7$ to turning point form.
Options:
  • $y=-4\left(x-1\right)^{2}-3$
  • $y=-4\left(x-1\right)^{2}+3$
  • $y=4\left(x-1\right)^{2}-1$
  • $y=4\left(x+1\right)^{2}-3$
Multiple Choice
Convert the equation $y = -4x^2 + 8x -7$ to vertex form.
Options:
  • $y=-4\left(x-1\right)^{2}-3$
  • $y=-4\left(x-1\right)^{2}+3$
  • $y=4\left(x-1\right)^{2}-1$
  • $y=4\left(x+1\right)^{2}-3$

Classifier: The term "turning point form" is the AU equivalent of the US "vertex form" for quadratic equations.

Verifier: The term "turning point form" is the AU equivalent of the US "vertex form" for quadratic equations.

O4tJqa6xZNVGucsDzJfY Localize Units (simple)
Question
Location coordinates are given as: Point $X$ $=0^\circ,145^\circ{W}$ Point $Y$ $=0^\circ,90^\circ{W}$ What is the shortest distance between the two points (to the nearest kilometre), where the radius of the Earth is $6400$ km?
Answer:
  • 6144
Question
Location coordinates are given as: Point $X$ $=0^\circ,145^\circ{W}$ Point $Y$ $=0^\circ,90^\circ{W}$ What is the shortest distance between the two points (to the nearest mile), where the radius of the Earth is $6400$ mi?
Answer:
  • 6144

Classifier: The text contains metric units ("kilometre", "km") which require localization to US customary units or at least classification as a unit conversion task. It also contains the AU spelling "kilometre".

Verifier: The text contains the metric unit "kilometre" (AU spelling) and "km". This requires conversion to US customary units (miles) or at least classification as a unit conversion.

NzgHdEqROtr9gcjyavY0 Localize Units (simple)
Multiple Choice
The volume of water $(V)$ in a container increases by a factor of $2$ every hour $(t)$. If the container initially has $10$ litres of water, what is the volume after $t$ hours?
Options:
  • $V=10+2^t$
  • $V=10^{2t}$
  • $V=10\times{2^t}$
  • $V=10^{t}+2$
Multiple Choice
The volume of water $(V)$ in a container increases by a factor of $2$ every hour $(t)$. If the container initially has $10$ gallons of water, what is the volume after $t$ hours?
Options:
  • $V=10+2^t$
  • $V=10^{2t}$
  • $V=10\times{2^t}$
  • $V=10^{t}+2$

Classifier: The text contains the metric unit "litres", which requires both a spelling change (to "liters") and a unit conversion to US customary units (e.g., gallons) per the localization rules.

Verifier: Contains the metric unit "litres", which requires spelling change and unit conversion.

NxWQ66JtQd5TdKz882rz Localize Units (simple)
Question
Maria runs a bakery and sells freshly baked strawberry cake at a profit of $\$10$ and Belgian cakes at a gain of $\$14$ each. She uses $1$ kg refined flour for a strawberry cake and $1.5$ kg for the Belgian cake. A strawberry cake needs $1.5$ hours to prepare, while a Belgian cake gets ready in $1$ hour. Maria can work only for $8$ hours in a day and buys not more than $10$ kg of refined flour for cakes daily. How much time does she need to prepare Belgian cakes in the day for maximum profit?
Hint: Do you know the number of Belgian cakes does she bake in a day?
Answer:
  • 5.6
Question
Maria runs a bakery and sells freshly baked strawberry cake at a profit of $\$10$ and Belgian cakes at a gain of $\$14$ each. She uses $1$ lb refined flour for a strawberry cake and $1.5$ lb for the Belgian cake. A strawberry cake needs $1.5$ hours to prepare, while a Belgian cake gets ready in $1$ hour. Maria can work only for $8$ hours in a day and buys not more than $10$ lb of refined flour for cakes daily. How much time does she need to prepare Belgian cakes in the day for maximum profit?
Hint: Do you know the number of Belgian cakes she bakes in a day?
Answer:
  • 5.6

Classifier: The problem uses metric units ("kg") which must be converted for a US audience.

Verifier: The problem uses metric units "kg" (kilograms) which require conversion to US customary units (pounds).

OD1jvJjy6chQeIvjjEP1 Localize Units (simple)
Multiple Choice
An object has the velocity function $v(t)=2t+3$ m s$^{-1}$. Find the displacement function $s(t)$ if $s(0)=-1$ m.
Options:
  • $s(t)=2t^2+3t+1$ m
  • $s(t)=2t^2+3t-1$ m
  • $s(t)=t^2+3t-1$ m
  • $s(t)=t^2+3t+1$ m
Multiple Choice
An object has the velocity function $v(t)=2t+3$ ft/s. Find the displacement function $s(t)$ if $s(0)=-1$ ft.
Options:
  • $s(t)=2t^2+3t+1$ ft
  • $s(t)=2t^2+3t-1$ ft
  • $s(t)=t^2+3t-1$ ft
  • $s(t)=t^2+3t+1$ ft

Classifier: The text contains metric units "m s^-1" (metres per second) and "m" (metres) used in a physics/calculus context. These require conversion to US customary units or a check against US physics curriculum standards.

Verifier: The text contains metric units "m s^-1" and "m" which require localization.

OAE8jY1PW2nwmrSfZXLU Localize Spelling (AU-US)
Multiple Choice
True or false: Hannah took a $\$12000$ loan at $15\%$ annual interest, compounded monthly, with monthly payments of $\$3094.30$ over $4$ months. This loan is modelled by the given recurrence relation : $V_0=12000$ ; $V_{n+1}=1.0125V_n-3094.30$ where $V_n$ represents the balance of the loan after $n$ payments. The loan can be fully repaid in $4$ months with this payment.
Options:
  • False
  • True
Multiple Choice
True or false: Hannah took a $\$12000$ loan at $15\%$ annual interest, compounded monthly, with monthly payments of $\$3094.30$ over $4$ months. This loan is modeled by the given recurrence relation : $V_0=12000$ ; $V_{n+1}=1.0125V_n-3094.30$ where $V_n$ represents the balance of the loan after $n$ payments. The loan can be fully repaid in $4$ months with this payment.
Options:
  • False
  • True

Classifier: Contains the AU/UK spelling "modelled" (double 'l'), which should be "modeled" in US English.

Verifier: The text contains "modelled", which is the AU/UK spelling. The US spelling is "modeled".

O2VTR93elgl87xZaDu1F Localize Units (complex)
Multiple Choice
A body starts from rest and moves in a straight line. Its velocity function is given by $v(t)=3t^2-4t$ m/s. What will be the position of the body at time $t$ ?
Hint: $s(t)=\int v(t)$ and the constant will be the initial position of the object
Options:
  • None of the above
  • $s(t)=3t^3-4t^2$ m
  • $s(t)=6t-4t^2$ m
  • $s(t)=t^3-2t^2$ m
Multiple Choice
A body starts from rest and moves in a straight line. Its velocity function is given by $v(t)=3t^2-4t$ ft/s. What will be the position of the body at time $t$ ?
Hint: $s(t)=\int v(t)$ and the constant will be the initial position of the object
Options:
  • None of the above
  • $s(t)=3t^3-4t^2$ ft
  • $s(t)=6t-4t^2$ ft
  • $s(t)=t^3-2t^2$ ft

Classifier: The question and answers contain metric units ("m/s" and "m"). According to the decision rules, any metric unit found anywhere in the text triggers a RED classification for conversion.

Verifier: The question contains a velocity function v(t) defined in metric units (m/s). Per rule 4, equations defining quantities in metric or requiring re-deriving formula coefficients (integration in this case) should be classified as RED.units_complex_converted.

OohT77JzB1liXABcVhM7 Localize Terminology
Question
A product originally costs $\$800$. It is marked up by $\$80$. Then it is increased by another $10\%$ before a $10\%$ GST is added. How much GST is included in the total price?
Answer:
  • 96.80
Question
A product originally costs $\$800$. It is marked up by $\$80$. Then it is increased by another $10\%$ before a $10\%$ sales tax is added. How much sales tax is included in the total price?
Answer:
  • 96.80

Classifier: The text refers to "GST" (Goods and Services Tax), which is the specific consumption tax system in Australia. In a US context, this would typically be localized to "sales tax" or a similar concept, as the US does not have a GST.

Verifier: The text uses "GST" (Goods and Services Tax), which is a specific tax terminology used in Australia (and other Commonwealth countries) but not in the US, where "sales tax" is used. This falls under terminology_school_context.

OMWOwx0GTM97mfbBrKD9 Localize Terminology
Multiple Choice
What is the principal axis of $\cos{x}$ ?
Options:
  • $x=1$
  • $y=1$
  • $x=0$
  • $y=0$
Multiple Choice
What is the midline of $\cos{x}$ ?
Options:
  • $x=1$
  • $y=1$
  • $x=0$
  • $y=0$

Classifier: The term "principal axis" in the context of trigonometric functions (the horizontal line halfway between the maximum and minimum values) is commonly referred to as the "midline" or "midline equation" in US curriculum.

Verifier: The term "principal axis" is used in AU/UK curricula to describe the horizontal center line of a trigonometric function; in the US, this is standardly called the "midline".

OMCfxIF006giY1H5wm7L Localize Terminology
Multiple Choice
What is the turning point of the parabola $y=x^{2}+4x+3$ ?
Options:
  • $(-2,-9)$
  • $(-2,-1)$
  • $(2,1)$
  • $(-2,1)$
Multiple Choice
What is the vertex of the parabola $y=x^{2}+4x+3$ ?
Options:
  • $(-2,-9)$
  • $(-2,-1)$
  • $(2,1)$
  • $(-2,1)$

Classifier: The term "turning point" is standard AU/UK terminology for the vertex of a parabola. In a US context, "vertex" is the standard term.

Verifier: The term "turning point" is the standard Australian/British term for what is almost exclusively called the "vertex" in US mathematics curricula.

Oo9h76RDa3P91s07WPEu Localize Units (simple)
Multiple Choice
A zookeeper needs $4$ hectares per elephant. If the zoo is $20$ hectares, and $x$ is the number of elephants he can buy, which inequality represents this?
Options:
  • $x\leq5$
  • $x\geq5$
  • $x\leq4$
  • $x\geq4$
Multiple Choice
A zookeeper needs $4$ acres per elephant. If the zoo is $20$ acres, and $x$ is the number of elephants he can buy, which inequality represents this?
Options:
  • $x\leq5$
  • $x\geq5$
  • $x\leq4$
  • $x\geq4$

Classifier: The text contains the metric unit "hectares". According to the decision rules, any metric unit requires classification into a RED.units category.

Verifier: The text contains the metric unit "hectares". According to rule 3, any metric unit requires at least RED.units_simple_conversion. Since the math is a simple inequality based on a single conversion/comparison, simple_conversion is appropriate.

OFnfQr9mNsVlT6LUm6nS Localize Units (simple)
Question
A garment factory plans to produce jeans and trousers from 30 meters of fabric, aiming for minimum profit with low input. Each pair of jeans requires 2.5 m of fabric and 30 minutes to make, while each trouser requires 2.8 m of fabric and 45 minutes. They expect a profit of $\$2$ on jeans and $\$3$ on trousers, with a maximum of 420 minutes available for production. Let: $x = $ number of jeans $y = $ number of trousers Write an expression for the objective function for the garment factory's profit.
Options:
  • 3{y}+2{x}
  • 2{x}+3{y}
Question
A garment factory plans to produce jeans and pants from 30 feet of fabric, aiming for minimum profit with low input. Each pair of jeans requires 2.5 ft of fabric and 30 minutes to make, while each pair of pants requires 2.8 ft of fabric and 45 minutes. They expect a profit of $\$2$ on jeans and $\$3$ on pants, with a maximum of 420 minutes available for production. Let: $x = $ number of jeans $y = $ number of pants Write an expression for the objective function for the garment factory's profit.
Options:
  • 3{y}+2{x}
  • 2{x}+3{y}

Classifier: The text contains metric units "meters" and "m". Note: although "meters" is spelled in the US way in the first instance, "m" is a metric unit, and the context of fabric measurement in meters is a metric-system problem. Additionally, "trousers" is more common in AU/UK, whereas "pants" is preferred in US, but the presence of metric units is the primary driver for RED.

Verifier: The text contains metric units ("meters", "m") and the term "trousers", both of which trigger RED classification. Metric units are the primary driver.

PhdV7hVGXDbY53KbwOiO Localize Spelling (AU-US)
Question
Write 'one hundred and eighty-two thousand and six hundred' as a number.
Answer:
  • 182600
Question
Write 'one hundred eighty-two thousand six hundred' as a number.
Answer:
  • 182600

Classifier: The text uses the word "and" in the middle of a whole number ("one hundred and eighty-two thousand..."). While not strictly a spelling error, US English pedagogy typically omits "and" when writing whole numbers (reserving "and" for the decimal point), making this an AU-specific convention. However, looking at the specific category definitions, if this is considered a stylistic/convention difference, it is closest to spelling/terminology. More importantly, the prompt rules for GREEN are very strict; this is not bi-dialect neutral.

Verifier: The text uses "and" within a whole number ("one hundred and eighty-two thousand..."). In US pedagogy, "and" is strictly reserved for the decimal point in number names. This is an AU-specific convention that requires localization.

OvNjz2VQXQPwO8zMhMY7 Localize Spelling (AU-US)
Multiple Choice
True or false: A scatterplot can be used to visualise the relationship between two numerical variables.
Options:
  • False
  • True
Multiple Choice
True or false: A scatterplot can be used to visualize the relationship between two numerical variables.
Options:
  • False
  • True

Classifier: The word "visualise" uses the AU/UK 's' spelling and needs to be converted to the US 'z' spelling ("visualize").

Verifier: The word "visualise" is AU/UK spelling and requires localization to "visualize" for US English.

PWVLdtVteCTHjbsltxed Localize Units (simple)
Question
What is $10$ m$^2$ in cm$^2$ ?
Answer:
  • 100000
Question
What is $10$ ft$^2$ in in$^2$ ?
Answer:
  • 1440

Classifier: The question explicitly asks for a conversion between metric units (m^2 to cm^2). Any presence of metric units requires localization to US customary units or a different pedagogical approach per the decision rules.

Verifier: The question involves converting between metric units (m^2 and cm^2), which requires localization to US customary units or a different pedagogical approach.

PKQGClyXhtpLKL6TVZqR Localize Units (simple)
Question
A farmer is measuring a piece of land shaped like a kite. The diagonals of the land are $12$ m and $8$ m. What is the area of the land?
Answer:
  • 48
Question
A farmer is measuring a piece of land shaped like a kite. The diagonals of the land are $12$ ft and $8$ ft. What is the area of the land?
Answer:
  • 48

Classifier: The text contains metric units ("m" for metres and "m$^2$" for square metres) which require conversion to US customary units.

Verifier: The question contains metric units ("m" and "m$^2$") which require conversion to US customary units.

PIfK34nrL63FrZQ6LXDk Localize Units (simple)
Question
The perimeter of an equilateral triangle is $123$ cm. What is the length of one side?
Answer:
  • 41
Question
The perimeter of an equilateral triangle is $123$ in. What is the length of one side?
Answer:
  • 41

Classifier: The text contains the metric unit "cm" (centimetres) in both the question and the suffix field. This requires localization to US customary units (e.g., inches).

Verifier: The text contains the metric unit "cm" in the question and the suffix. This requires localization to US customary units.

PGEOKKcLCNmJmuiJm3Hd Localize Units (simple)
Question
How many litres are there in $6$ m$^3$ ?
Answer:
  • 6000
Question
How many gallons are there in $6$ ft$^3$ ?
Answer:
  • 6000

Classifier: The text contains the AU spelling "litres" and the metric units "litres", "m^3", and "L". This requires both spelling and unit localization. Units conversion is the higher priority classification.

OrFZ9pT1SMhAIX6IHTMl Localize Units (complex)
Question
The displacement function of a particle is given by $s(t)=19t^2+14t-8$ m for $0\leq t\leq50$ s. Find the speed at $t=15$ s.
Answer:
  • 584
Question
The displacement function of a particle is given by $s(t)=19t^2+14t-8$ ft for $0\leq t\leq50$ s. Find the speed at $t=15$ s.
Answer:
  • 584

Classifier: The text contains metric units "m" (metres) and "m/s" (metres per second). Per the decision rules, any metric unit requires localization.

Verifier: While the classifier correctly identified metric units ("m", "m/s"), it chose simple_conversion. Rule 4 states that if equations define quantities in metric (e.g., s(t) = 19t^2 + 14t - 8 m), it should be classified as RED.units_complex_converted.

P1dIOseDhevDzuA601jj Localize Units (simple)
Question
A boy went out to buy snacks from a store that was $500$ m away from his home, and he returned after some time. What was his displacement?
Answer:
  • 0
Question
A boy went out to buy snacks from a store that was $500$ ft away from his home, and he returned after some time. What was his displacement?
Answer:
  • 0

Classifier: The text contains the metric unit 'm' (metres) in both the content and the suffix, which requires conversion to US customary units (e.g., feet or yards).

Verifier: The text contains the metric unit 'm' (metres) which requires conversion to US customary units.

PmPwMFfb2uz7WbVV7BLs Localize Units (complex)
Question
A particle's displacement is given by $s(t)=2t^2+t-5$ m for $0\leq t\leq 4$ s. Find the particle's average velocity over the first $3$ seconds.
Answer:
  • 7
Question
A particle's displacement is given by $s(t)=2t^2+t-5$ ft for $0\leq t\leq 4$ s. Find the particle's average velocity over the first $3$ seconds.
Answer:
  • 7

Classifier: The question contains metric units ("m" for metres and "s" for seconds) and uses the AU/UK notation for units (m s^-1). These require localization to US customary units or at least review for unit standards.

Verifier: The question contains metric units ("m" for metres and "s" for seconds) and uses the AU/UK notation for units (m s^-1). Per rule 4, because the metric units are embedded within a function/equation defining displacement (s(t)=2t^2+t-5 m), it should be classified as RED.units_complex_converted rather than simple.

P8jo0n6QWoVNYY08PTFt Localize Units (complex)
Question
The displacement function of a particle is $s(t)=4t^2-3$ mm for $0\leq t\leq5$ s. Find the displacement of the particle at $t=2.5$ s.
Answer:
  • 22
Question
The displacement function of a particle is $s(t)=4t^2-3$ in for $0\leq t\leq5$ s. Find the displacement of the particle at $t=2.5$ s.
Answer:
  • 22

Classifier: The question contains the metric unit "mm" (millimetres), which requires localization/classification as a unit conversion task.

Verifier: The question contains the metric unit "mm" (millimetres). Per rule 4, because the metric unit is part of a defined function/equation (s(t)=4t^2-3 mm), it should be classified as RED.units_complex_converted rather than simple conversion.

PgmrbNfm62R12P06ssDu Localize Units (simple)
Question
Find the density of an ice cube of mass $2$ g and volume $0.27$ cm$^3$.
Answer:
  • 7.4
Question
Find the density of an ice cube of mass $2$ oz and volume $0.27$ in$^3$.
Answer:
  • 7.4

Classifier: The question contains metric units ("g" and "cm^3") which require localization for a US audience.

Verifier: The question contains metric units ("g" and "cm^3") which require localization for a US audience. It is a simple conversion as it involves a single calculation for density.

P5gqeH5Drpa9wZdeSfWT Review Review
Multiple Choice
Write $ 529630$ in words.
Options:
  • Five twenty-nine thousand, six hundred thirty
  • Five hundred and twenty-nine thousand, six three zero
  • Five two nine thousand, six hundred and thirty
  • Five hundred and twenty-nine thousand, six hundred and thirty
Multiple Choice
Write $ 529630$ in words.
Options:
  • Five twenty-nine thousand, six hundred thirty
  • Five hundred twenty-nine thousand, six three zero
  • Five two nine thousand, six hundred thirty
  • Five hundred twenty-nine thousand, six hundred thirty

Classifier: The answer choices reflect different conventions for writing numbers in words. Specifically, the use of 'and' (e.g., 'six hundred and thirty') is standard in AU/UK but often omitted in US math pedagogy ('six hundred thirty'). Because this involves a specific pedagogical style choice for US localization, it is marked as uncertain/policy-dependent.

Verifier: The answer choices contain the AU/UK convention of using "and" in whole numbers (e.g., "six hundred and thirty"), which is a specific pedagogical difference from the US standard ("six hundred thirty"). Per rule 1, AU-specific linguistic conventions require RED classification. Since it is a spelling/style convention for writing numbers, RED.spelling_only is the most appropriate leaf.

P4pEpnDtFJlUG5D5OYb2 Localize Spelling (AU-US)
Multiple Choice
What is $x^4-16$ in fully factorised form?
Options:
  • $(x+2)(x-2)(x^2+4)$
  • $(x^3-4)(x+4)$
  • $(x^2-4)(x^2+4)$
  • $(x-4)(x^3+4)$
Multiple Choice
What is $x^4-16$ in fully factored form?
Options:
  • $(x+2)(x-2)(x^2+4)$
  • $(x^3-4)(x+4)$
  • $(x^2-4)(x^2+4)$
  • $(x-4)(x^3+4)$

Classifier: Contains the AU spelling 'factorised', which needs to be converted to the US spelling 'factorized'.

Verifier: Contains the AU spelling 'factorised', which must be localized to 'factorized' for US audiences.

P6ZiLAIEUpI4sO6VEtyQ Localize Units (simple)
Question
A particle has the displacement function $s(t)=2t^3+2t^2-12t$ cm for $t\geq 0$ s. Find the initial speed of the particle.
Answer:
  • 12
Question
A particle has the displacement function $s(t)=2t^3+2t^2-12t$ in for $t\geq 0$ s. Find the initial speed of the particle.
Answer:
  • 12

Classifier: Contains metric units 'cm' and 'cm s$^{-1}$' which require localization to US customary units.

Verifier: Contains metric units 'cm' and 'cm s^-1' which require conversion. Although it contains a function, the conversion is a simple scalar change to the coefficients/result, fitting simple conversion.

PhUmoiBDtYtV7GS230xg Review Review
Multiple Choice
Which of the following is not true with respect to the interest rate of a fixed interest rate personal loan?
Options:
  • All of the above
  • Irregular payments can be made
  • Interest is calculated on the unpaid amount
  • It stays the same for the full term of the loan
Multiple Choice
Which of the following is not true with respect to the interest rate of a fixed interest rate personal loan?
Options:
  • All of the above
  • Irregular payments can be made
  • Interest is calculated on the unpaid amount
  • It stays the same for the full period of the loan

Classifier: The text contains the word "term" in the context of a loan duration ("full term of the loan"). While common in both dialects, "term" is listed in the decision rules as a potential policy-dependent word (GRAY.term_semester_quarter_policy). Additionally, financial contexts sometimes vary in terminology, though "fixed interest rate personal loan" is generally neutral.

Verifier: The word "term" in the context of "term of the loan" refers to duration and is standard financial terminology in both AU and US English. It does not refer to school semesters or quarters, which is the intent of the GRAY.term_semester_quarter_policy category. The content is bi-dialect neutral.

PEZfSIH6uGZeHZjmfnTz Localize Units (simple)
Question
Fill in the blank. Location coordinates are given as: Point $X$ $=54^\circ{N},85^\circ{W}$ Point $Y$ $=[?]^\circ{S},85^\circ{W}$ The shortest distance between the two points is approximately $11170$ km, where the radius of the Earth is $6400$ km.
Answer:
  • 46
Question
Fill in the blank. Location coordinates are given as: Point $X$ $=54^\circ{N},85^\circ{W}$ Point $Y$ $=[?]^\circ{S},85^\circ{W}$ The shortest distance between the two points is approximately $11170$ miles, where the radius of the Earth is $6400$ miles.
Answer:
  • 46

Classifier: The text contains the metric unit "km" (kilometers) multiple times, which requires localization to US customary units (miles) or a decision on whether to retain metric for geographic contexts. Per the decision rules, any metric unit found anywhere results in a RED classification.

Verifier: The text contains the metric unit "km" (kilometers) multiple times. According to the decision rules, any metric unit requires RED classification. This is a simple conversion of distance values.

PLBnKukwppMgJEkcHjH1 Localize Terminology
Multiple Choice
Which of the following equations has a turning point $(h,k)$?
Options:
  • $y=a(x+h)^{4}+k$
  • $y=a(x-h)^{4}+k$
  • $y=a(x+h)^{4}-k$
  • $y=a(x-h)^{4}-k$
Multiple Choice
Which of the following equations has a vertex $(h,k)$?
Options:
  • $y=a(x+h)^{4}+k$
  • $y=a(x-h)^{4}+k$
  • $y=a(x+h)^{4}-k$
  • $y=a(x-h)^{4}-k$

Classifier: The term "turning point" is standard AU school terminology for the vertex of a parabola/curve. In a US context, "vertex" is the standard term.

Verifier: The term "turning point" is the standard AU term for what is typically called the "vertex" in US mathematics.

Pg1hY03MBYzqR3mfMUe6 Localize Terminology
Multiple Choice
Which number less than $24$ completes the Pythagorean triple? $\{[?],24,30\}$
Hint: A Pythagorean triple is a set of integer side lengths that make up a right-angled triangle.
Options:
  • $16$
  • $18$
  • $22$
  • $20$
Multiple Choice
Which number less than $24$ completes the Pythagorean triple? $\{[?],24,30\}$
Hint: A Pythagorean triple is a set of integer side lengths that make up a right triangle.
Options:
  • $16$
  • $18$
  • $22$
  • $20$

Classifier: The hint contains the term "right-angled triangle", which is the standard AU/UK term. In the US, this is localized to "right triangle".

Verifier: The hint contains "right-angled triangle", which is the standard AU/UK term. In the US, this is localized to "right triangle".

PRTGvPs0zpQLVP1bDGFr Localize Spelling (AU-US)
Multiple Choice
Which of the following equations represents a circle centred at $(-5,4)$ with a radius of $625$ units?
Options:
  • $(x-5)^2+(y+4)^2=625$
  • $(x-5)^2+(y+4)^2=625^2$
  • $(x+5)^2+(y-4)^2=625^2$
  • $(x+5)^2+(y-4)^2=25$
Multiple Choice
Which of the following equations represents a circle centered at $(-5,4)$ with a radius of $625$ units?
Options:
  • $(x-5)^2+(y+4)^2=625$
  • $(x-5)^2+(y+4)^2=625^2$
  • $(x+5)^2+(y-4)^2=625^2$
  • $(x+5)^2+(y-4)^2=25$

Classifier: The text contains the AU spelling "centred", which needs to be converted to the US spelling "centered".

Verifier: The text contains "centred", which is the AU spelling. Per rule 1, any AU spelling requires RED classification.

PZzjlb5cTvK52wjqVMdl Localize Units (simple)
Multiple Choice
The volume of a cube is $729$ cm$^3$. What is the length of each side?
Hint: Side of a cube =$\sqrt[3] {Volume}$
Options:
  • $19$ cm
  • $7$ cm
  • $18$ cm
  • $9$ cm
Multiple Choice
The volume of a cube is $729$ in$^3$. What is the length of each side?
Hint: Side of a cube =$\sqrt[3] {Volume}$
Options:
  • $19$ in
  • $7$ in
  • $18$ in
  • $9$ in

Classifier: The question and the answer choices use metric units (cm and cm^3), which requires localization for a US audience.

Verifier: The question and answers use metric units (cm and cm^3), which requires localization.

PoooSxHg3H5VGdVwFC5g Localize Terminology
Question
$5$ friends share $20$ lollies equally between them. How many do they each get?
Answer:
  • 4
Question
$5$ friends share $20$ pieces of candy equally between them. How many do they each get?
Answer:
  • 4

Classifier: The term "lollies" is a specific Australian/British term for candy or sweets. In a US educational context, this would typically be localized to "candies" or "pieces of candy".

Verifier: The term "lollies" is a specific Australian/British term for candy or sweets, which requires localization for a US context.

Pt4O2kefhxZNrESdTir3 Localize Terminology
Question
$18$ lollies are shared among a group of students. If every student gets $2$ lollies, how many students are there?
Answer:
  • 9
Question
$18$ pieces of candy are shared among a group of students. If every student gets $2$ pieces of candy, how many students are there?
Answer:
  • 9

Classifier: The term "lollies" is an AU-specific term for candy and requires localization for a US audience.

Verifier: The term "lollies" is an AU-specific term for candy and requires localization.

PmfCRg5qZ8y2fFAYriSL Localize Spelling (AU-US)
Question
Simone has four types of pants: jeans, capri, linen, and formal. She also has six different coloured tops: red, blue, pink, white, beige, and black. If each outfit is equally likely, what is the probability she chooses the beige top and linen pants?
Answer:
  • \frac{1}{24}
Question
Simone has four types of pants: jeans, capri, linen, and formal. She also has six different colored tops: red, blue, pink, white, beige, and black. If each outfit is equally likely, what is the probability she chooses the beige top and linen pants?
Answer:
  • \frac{1}{24}

Classifier: Contains the AU spelling "coloured", which needs to be converted to the US spelling "colored".

Verifier: Contains the AU spelling "coloured", which needs to be converted to the US spelling "colored".

QC7Z0x9YDIkKcjOUyNYZ Localize Units (simple)
Question
The minute hand of a watch is $15$ cm long. How far does its tip move in $40$ minutes?
Answer:
  • 62.8
Question
The minute hand of a watch is $15$ in long. How far does its tip move in $40$ minutes?
Answer:
  • 62.8

Classifier: The text contains the metric unit "cm" (centimetres), which requires localization to US customary units (e.g., inches) for a US audience.

QMTxpQH6VEe4ekgYamoS Localize Units (simple)
Question
Find the circumference of a circle with a radius of $4.5$ cm.
Answer:
  • 28.27
Question
Find the circumference of a circle with a radius of $4.5$ in.
Answer:
  • 28.27

Classifier: The text contains the metric unit "cm" (centimeters) in both the question content and the suffix field, which requires conversion to US customary units (e.g., inches) for US localization.

Verifier: The question contains the metric unit "cm" (centimeters) in the content and suffix, which requires simple conversion to US customary units (inches).

QHE7EXGLGU1YZifbk6zF Localize Terminology
Multiple Choice
Which of the following is the highest common factor of $4mn$ and $2m^4$ ?
Options:
  • $2m$
  • $m^4$
  • $2$
  • $4m$
Multiple Choice
Which of the following is the greatest common factor of $4mn$ and $2m^4$ ?
Options:
  • $2m$
  • $m^4$
  • $2$
  • $4m$

Classifier: Contains "highest common factor" (HCF), which is the standard AU/UK term. The US equivalent is "greatest common factor" (GCF).

Verifier: The term "highest common factor" (HCF) is the standard AU/UK term, whereas the US uses "greatest common factor" (GCF). This requires localization for the US market.

QKQtQjC2HaUY23fLW3PW Localize Units (simple)
Question
Calculate the surface area of a half-cylinder with a height of $12$ m and a radius of $9$ m.
Answer:
  • 809.8
Question
Calculate the surface area of a half-cylinder with a height of $12$ ft and a radius of $9$ ft.
Answer:
  • 809.8

Classifier: The text uses "m" (metres) and "m$^2$" (square metres) as units of measurement. Any metric unit triggers a RED classification.

Verifier: The question uses metric units "m" and "m$^2$". Per rule 3, this must be RED. Since it is a straightforward surface area calculation with few values, simple_conversion is appropriate.

Q4fbyp7yiX6MwHVKHFJk Localize Answer set
Multiple Choice
Which season comes just before winter?
Options:
  • Autumn
  • May
  • Spring
  • Summer
Multiple Choice
Which season comes just before winter?
Options:
  • Fall
  • November
  • Spring
  • Summer

Classifier: The answer set contains "Autumn", which is the standard term in AU, whereas "Fall" is more common in the US. Additionally, the seasons in the Southern Hemisphere (AU) occur at different times than in the Northern Hemisphere (US), and the distractor "May" implies an AU seasonal context (where May is late Autumn). This requires localization for terminology and potentially conceptual consistency.

Verifier: The use of "Autumn" (vs "Fall") and the inclusion of "May" as a distractor for a season preceding winter indicates a specific hemispheric/locale context that requires localization for US/other markets.

QJeOnosaMAY1J7eHN4u8 Localize Spelling (AU-US)
Question
The cost price of a hand watch is $\$370$. Daniel bought it through a hire-purchase agreement by paying a deposit of $\$70$ and nine monthly instalments of $\$40$. Find the total cost of buying this watch by hire-purchase.
Answer:
  • 430
Question
The cost price of a watch is $\$370$. Daniel bought it through an installment loan by paying a deposit of $\$70$ and nine monthly installments of $\$40$. Find the total cost of buying this watch by installment loan.
Answer:
  • 430

Classifier: The term "instalments" is the AU/UK spelling; the US spelling is "installments". While "hire-purchase" is also more common in AU/UK (US often uses "installment plan" or "rent-to-own"), the spelling difference is a clear RED signal.

Verifier: The text contains "instalments", which is the AU/UK spelling (US: installments). It also uses "hire-purchase", a term more common in AU/UK contexts, but the spelling difference alone confirms the RED classification.

QHzShPJ0uufnd0LodoJg Localize Terminology
Multiple Choice
Classify the solution(s) to the following simultaneous equations. $y=x+2$ $2y=2x+4$
Options:
  • No solution
  • Infinitely many solutions
  • Finite number of solutions
  • One unique solution
Multiple Choice
Classify the solution(s) to the following system of equations. $y=x+2$ $2y=2x+4$
Options:
  • No solution
  • Infinitely many solutions
  • Finite number of solutions
  • One unique solution

Classifier: "Simultaneous equations" is common in AU/UK, but also widely understood and used in US high school algebra alongside "systems of equations". It does not strictly require localization as it is not an AU-only term, though "systems" is more common in the US. Given the strict rules for RED, this remains GREEN as it is bi-dialect neutral.

Verifier: "Simultaneous equations" is the standard AU/UK term for what is almost exclusively called a "system of equations" in US pedagogy. While understandable, it is a distinct school-context terminology difference that triggers RED under the localization policy.

QLJF1TUtwGWtxlgRZph1 Localize Units (simple)
Question
How many kilolitres are there in $5 \ 000 \ 000$ millilitres?
Answer:
  • 5
Question
How many gallons are there in $5 \ 000 \ 000$ fluid ounces?
Answer:
  • 5

Classifier: The question explicitly asks for conversion between metric units (kilolitres and millilitres). Additionally, "kilolitres" and "millilitres" use the AU/UK spelling (US uses "kiloliters" and "milliliters"). Units conversion takes precedence over spelling.

Verifier: The question involves metric unit conversion and uses AU/UK spellings ("kilolitres", "millilitres"). Per rule 5, units conversion takes precedence.

QjHdAoeu3yYXiTD0YkMm Localize Units (simple)
Question
The perimeter of a square is twice the perimeter of a rectangle with dimensions $12$ cm by $8$ cm. Find the length of each side of the square.
Answer:
  • 20
Question
The perimeter of a square is twice the perimeter of a rectangle with dimensions $12$ in by $8$ in. Find the length of each side of the square.
Answer:
  • 20

Classifier: Contains the metric unit "cm", which requires localization for US audiences.

Verifier: The text contains the metric unit "cm", which requires conversion to US customary units. This is a simple conversion as it involves basic geometric perimeters.

Qt95rl1mpPz4C9OYh8g7 Localize Units (simple)
Question
Find the perimeter of a rectangle whose length is $4$ m and width is $3$ m.
Answer:
  • 14
Question
Find the perimeter of a rectangle whose length is $4$ ft and width is $3$ ft.
Answer:
  • 14

Classifier: The text contains the metric unit "m" (metres), which requires conversion to US customary units (e.g., feet or inches) for US localization.

Verifier: The question uses metric units ("m" for metres), which requires conversion to US customary units.

QqBkuuSBQQ2JJzvhVj26 Localize Terminology
Multiple Choice
True or false: The parabola with turning point $(-3,\ -4)$ that passes through $(-5,\ -8)$ has the equation $y = -2(x + 3)^2 - 4$.
Options:
  • False
  • True
Multiple Choice
True or false: The parabola with vertex $(-3,\ -4)$ that passes through $(-5,\ -8)$ has the equation $y = -2(x + 3)^2 - 4$.
Options:
  • False
  • True

Classifier: The term "turning point" is standard AU/UK terminology for the vertex of a parabola. In a US context, "vertex" is the standard term.

Verifier: The term "turning point" is the standard AU/UK term for what is called the "vertex" in US curriculum. This requires localization for terminology.

PvKNuGM1eOWm7hiIxDZD Localize Units (simple)
Multiple Choice
$3$ kg of oranges and $4$ kg of apples cost $\$24$. $4$ kg of oranges and $3$ kg of apples cost $\$22$. Which statement is correct?
Options:
  • $2$ oranges cost $\$60$
  • $3$ apples cost $\$48$
  • $1$ orange costs $\$2.5$
  • $7$ apples cost $\$30$
Multiple Choice
$3$ lbs of oranges and $4$ lbs of apples cost $\$24$. $4$ lbs of oranges and $3$ lbs of apples cost $\$22$. Which statement is correct?
Options:
  • $2$ oranges cost $\$60$
  • $3$ apples cost $\$48$
  • $1$ orange costs $\$2.5$
  • $7$ apples cost $\$30$

Classifier: The text contains the metric unit "kg" (kilograms) multiple times, which requires localization to US customary units (e.g., pounds) for a US audience.

Verifier: The text contains the metric unit "kg" (kilograms) multiple times. This is a simple unit conversion scenario as it involves a system of linear equations with a few discrete values.

QKPPCG8dByUAT846WA27 Localize Units (simple)
Question
Find the distance of point $A$ from the equator if the coordinate of point $A$ is $(56^\circ N,120^\circ E)$.
Hint: Take Earth's radius to be $6371$ km
Answer:
  • 6227
Question
Find the distance of point $A$ from the equator if the coordinate of point $A$ is $(56^\circ N,120^\circ E)$.
Hint: Take Earth's radius to be $6371$ miles
Answer:
  • 6227

Classifier: The text contains the metric unit "km" (kilometers) in the hint and the suffix. According to the decision rules, any metric unit requires classification into a RED.units category.

Verifier: The question contains the metric unit "km" in the hint and suffix. Per rule 3, any metric unit requires a RED classification.

QZbJPTcHQHt4z2X74pYm Localize Spelling (AU-US)
Question
Factorise $125x^3-y^3$. Express your answer in the form $(ax+by)(cx^2+dxy+ey^2)$.
Options:
  • (25{x}^{2}+5{x}{y}+{y}^{2})(5{x}-{y})
  • (5{x}-{y})(25{x}^{2}+5{x}{y}+{y}^{2})
Question
Factor $125x^3-y^3$. Express your answer in the form $(ax+by)(cx^2+dxy+ey^2)$.
Options:
  • (25{x}^{2}+5{x}{y}+{y}^{2})(5{x}-{y})
  • (5{x}-{y})(25{x}^{2}+5{x}{y}+{y}^{2})

Classifier: Contains the AU spelling "Factorise", which requires conversion to the US spelling "Factorize".

Verifier: Contains the AU spelling "Factorise", which requires conversion to the US spelling "Factorize".

QhAZkpmp2ctNc75UkDVo Localize Spelling (AU-US)
Multiple Choice
Fill in the blank. Displacement ${s}$ of an object is defined as the $[?]$.
Options:
  • None of the above
  • Change in position of the object relative to a fixed point
  • Distance travelled by the object in a particular time
  • Change in position of the object
Multiple Choice
Fill in the blank. Displacement ${s}$ of an object is defined as the $[?]$.
Options:
  • None of the above
  • Change in position of the object relative to a fixed point
  • Distance traveled by the object in a particular time
  • Change in position of the object

Classifier: Contains the AU/UK spelling "travelled", which requires conversion to the US spelling "traveled".

Verifier: The word "travelled" in the answer choices is the AU/UK spelling; the US spelling is "traveled". Per rule 1, any AU spelling requires RED classification.

QeqI5vkFK3jbj3r59kwC Localize Terminology
Multiple Choice
What is the $x$-intercept of the truncus $y = \frac{3}{x^2}$?
Options:
  • $x=0$
  • No $x$-intercept
  • $x=\sqrt{3}$
  • $x=3$
Multiple Choice
What is the $x$-intercept of the graph of $y = \frac{3}{x^2}$?
Options:
  • $x=0$
  • No $x$-intercept
  • $x=\sqrt{3}$
  • $x=3$

Classifier: The term "truncus" is a specific Australian/Victorian curriculum term for a function of the form y = a/(x-h)^2 + k. In the US, this is typically referred to as a rational function or specifically a "reciprocal squared function", but "truncus" is not used in US pedagogy.

Verifier: The term "truncus" is a specific term used in the Australian (specifically Victorian VCE) curriculum to describe a reciprocal squared function. It is not used in US mathematics pedagogy and requires localization.

QtQ0GkMPAh5vzKF0qAR5 Localize Units (simple)
Question
A garment factory is planning to produce some jeans and trousers out of $30$ meters of fabric available for social causes keeping in mind that they make a minimum profit at low input. They need $2.5$ m fabric and $30$ minutes to make one pair of jeans and $2.8$ m fabric, and $45$ minutes to manufacture a trouser. They plan to gain just $\$2$ on jeans and $\$3$ on trousers. The time spent on the process is not more than $420$ minutes. What is the maximum gain from the factory?
Answer:
  • 28
Question
A garment factory is planning to produce some jeans and pants out of $30$ yards of fabric available for social causes keeping in mind that they make a minimum profit at low input. They need $2.5$ yd fabric and $30$ minutes to make one pair of jeans and $2.8$ yd fabric, and $45$ minutes to manufacture a pair of pants. They plan to gain just $\$2$ on jeans and $\$3$ on pants. The time spent on the process is not more than $420$ minutes. What is the maximum gain from the factory?
Answer:
  • 28

Classifier: The text contains metric units "meters" and "m". Although "meters" uses US spelling, the use of the metric system itself in a word problem context requires localization to US customary units.

Verifier: The question uses metric units ("meters", "m"), which requires conversion to US customary units. Although the spelling "meters" is US-style, the system of measurement itself must be localized.

QztklYGXzYNDKsyustIG Localize Spelling (AU-US)
Multiple Choice
Factorise $axy^{2}-2ax^{2}y$
Options:
  • $ax(y^{2}-2x)$
  • $ay(x^{2}-y)$
  • $axy(y-2x)$
  • $axy(x-2y)$
Multiple Choice
Factor $axy^{2}-2ax^{2}y$
Options:
  • $ax(y^{2}-2x)$
  • $ay(x^{2}-y)$
  • $axy(y-2x)$
  • $axy(x-2y)$

Classifier: The text uses the AU/UK spelling "Factorise", which needs to be converted to the US spelling "Factorize".

Verifier: The text uses "Factorise", which is AU/UK spelling. Rule 1 states AU spelling always requires RED classification.

QyCoOTH7nxsoZQaGJoNL Localize Spelling (AU-US)
Multiple Choice
What is $x^6-y^{14}$ in factorised form?
Options:
  • Cannot be factorised
  • $(x^3-y^7)(x^3+y^7)$
  • $(x^6+y^7)(x^6-y^7)$
  • $(x^3-y^7)^2$
Multiple Choice
What is $x^6-y^{14}$ in factored form?
Options:
  • Cannot be factored
  • $(x^3-y^7)(x^3+y^7)$
  • $(x^6+y^7)(x^6-y^7)$
  • $(x^3-y^7)^2$

Classifier: The text uses the AU spelling "factorised" (with an 's'), which requires conversion to the US spelling "factorized" (with a 'z').

Verifier: The text uses the AU spelling "factorised" (with an 's') in both the question and the first answer choice, which requires conversion to the US spelling "factorized" (with a 'z').

R3qaslcZ11F6Qq5qBEwo Localize Units (simple)
Question
A one year old weighs $10$ kilograms and $540$ grams. What is this weight in grams?
Answer:
  • 10540
Question
A one-year-old weighs $10$ pounds and $540$ ounces. What is this weight in ounces?
Answer:
  • 10540

Classifier: The question is specifically about converting between metric units (kilograms and grams). This is a metric-pedagogy question that requires localization to US customary units or a decision on whether to keep metric for science/math standards. Per rules, any metric unit = RED.units_simple_conversion.

Verifier: The question explicitly uses and asks for conversion between metric units (kilograms, grams).

R2pO6oNoMyHBoDyCXpjr Localize Units (simple)
Question
Delhi, India and Xinjiang, China have coordinates $(29^\circ N,77^\circ E)$ and $(41^\circ N,77^\circ E)$. Calculate the shortest distance between Delhi and Xinjiang, given that the Earth's radius is $6400$ km.
Answer:
  • 1340.41
Question
New York City, NY and Montreal, Canada have coordinates $(29^\circ N,77^\circ E)$ and $(41^\circ N,77^\circ E)$. Calculate the shortest distance between New York City and Montreal, given that the Earth's radius is $6400$ mi.
Answer:
  • 1340.41

Classifier: The question contains the metric unit "km" (kilometers) and provides the Earth's radius in km, which requires localization to miles for a US context.

Verifier: Contains metric unit "km" which requires conversion for US localization.

RB8LBi7O2qqGcHpEOw9E Localize Units (simple)
Question
Express $200$ cm as a percentage of $400$ cm.
Answer:
  • 50
Question
Express $200$ in as a percentage of $400$ in.
Answer:
  • 50

Classifier: The text contains the metric unit "cm" (centimetres), which requires localization to US customary units or a different context per the decision rules.

Verifier: The text contains the metric unit "cm", which requires conversion to US customary units.

RDQJfeaZObZ22qpeVNgL Localize Units (simple)
Multiple Choice
Fill in the blank: $10$ nanometres $=[?]$ metres
Options:
  • $\frac{1}{10000}$
  • $10000$
  • $\frac{1}{100000000}$
  • $100000000$
Multiple Choice
Fill in the blank: $10$ nanometers $=[?]$ meters
Options:
  • $\frac{1}{10000}$
  • $10000$
  • $\frac{1}{100000000}$
  • $100000000$

Classifier: The text contains metric units ('nanometres' and 'metres') and uses the AU/UK spelling ('metres' vs US 'meters'). Per rule 6, units conversion/presence is the most impactful change.

Verifier: The text contains metric units ('nanometres' and 'metres') and uses the AU/UK spelling ('metres' vs US 'meters'). This is a simple unit conversion question.

R42thXBGKvsccRhrfW8s Localize Units (simple)
Multiple Choice
A study finds that exercising for $30$–$90$ minutes per day improves fitness levels. The weight loss is related to exercise duration by the equation: $\text{weight loss} = 2 + 0.1 \times \text{exercise minutes}$ Which of the following exercise times represents an interpolation?
Options:
  • $11$ kg
  • $1.5$ kg
  • $15$ kg
  • $7$ kg
Multiple Choice
A study finds that exercising for $30$–$90$ minutes per day improves fitness levels. The weight loss is related to exercise duration by the equation: $\text{weight loss} = 2 + 0.1 \times \text{exercise minutes}$ Which of the following exercise times represents an interpolation?
Options:
  • $11$ lbs
  • $1.5$ lbs
  • $15$ lbs
  • $7$ lbs

Classifier: The answer choices contain the metric unit "kg" (kilograms), which requires localization to US customary units (e.g., pounds).

Verifier: The answer choices contain the metric unit "kg" (kilograms), which requires conversion to US customary units (pounds) for a US audience.

RFHnZP7uRDO3OeE4suYN Localize Spelling (AU-US)
Multiple Choice
Fill in the blank. Deseasonalised figure of a time series $=[?]$
Options:
  • Actual Figure $\times$ Seasonal Index
  • Seasonal Index $\times$ Actual Figure
  • $\frac{\text{Actual figure}}{\text{Seasonal Index}}$
  • $\large \frac{\text{Seasonal Index}}{\text{Actual figure}}$
Multiple Choice
Fill in the blank. Deseasonalized figure of a time series $[?]$
Options:
  • Actual Figure $\times$ Seasonal Index
  • Seasonal Index $\times$ Actual Figure
  • $\frac{\text{Actual figure}}{\text{Seasonal Index}}$
  • $\large \frac{\text{Seasonal Index}}{\text{Actual figure}}$

Classifier: Contains the AU/UK spelling 'Deseasonalised' which requires conversion to the US spelling 'Deseasonalized'.

Verifier: Contains the AU/UK spelling 'Deseasonalised' which requires conversion to the US spelling 'Deseasonalized'.

STTuhSTa5HBoGuyPlszt Localize Units (simple)
Question
How many grams are in $2$ kg and $45$ g of peanuts?
Answer:
  • 2045
Question
How many ounces are in $2$ lb and $45$ oz of peanuts?
Answer:
  • 2045

Classifier: The question explicitly uses and asks for conversions between metric units (grams, kg, g). According to the decision rules, any metric unit found anywhere requires classification into a RED.units category.

Verifier: The question contains metric units (grams, kg, g), which requires a RED classification according to the decision rules. It is a simple conversion.

RSxbTvlIilTMbxdNjxiU Localize Units (simple)
Question
Convert $2$ kg and $50$ g into grams.
Answer:
  • 2050
Question
Convert $2$ lb and $50$ oz into ounces.
Answer:
  • 82

Classifier: Contains metric units "kg" (kilograms) and "g" (grams). Any metric unit requires localization.

Verifier: Contains metric units "kg" and "g" which require conversion for US localization.

RyC5O2tA50i2tZr6RcZg Localize Units (simple)
Question
Two observers are standing on opposite sides of a $25$ m tall tower. The angles of elevation to the top of the tower from their positions are $30°$ and $60°$, respectively. Calculate the distance between the two observers.
Answer:
  • 57.735
Question
Two observers are standing on opposite sides of a $25$ ft tall tower. The angles of elevation to the top of the tower from their positions are $30°$ and $60°$, respectively. Calculate the distance between the two observers.
Answer:
  • 57.735

Classifier: The text contains the metric unit "m" (metres) in both the question body and the suffix field, which requires conversion to US customary units.

Verifier: The text contains the metric unit "m" (metres) in the content and suffix, which requires conversion to US customary units.

SRYt76K5mY3bgDIogvaG Localize Units (simple)
Question
Fill in the blank: $\frac{3}{4}$ kg $=[?]$ g
Answer:
  • 750
Question
Fill in the blank: $\frac{3}{4}$ lb $=[?]$ oz
Answer:
  • 12

Classifier: The question explicitly asks for a conversion between metric units (kg to g). Per decision rules, any metric unit requires RED classification.

Verifier: The question involves metric units (kg and g). Per decision rule 3, any metric unit requires at least RED.units_simple_conversion.

SydtmtzSwO3hI21I9L7Z Localize Spelling (AU-US)
Question
Find the number of distinct prime factors that $90$ has using prime factorisation.
Answer:
  • 3
Question
Find the number of distinct prime factors that $90$ has using prime factorization.
Answer:
  • 3

Classifier: Contains the AU spelling "factorisation", which requires conversion to the US spelling "factorization".

Verifier: Contains "factorisation", which is the AU/UK spelling. US spelling is "factorization".

RqMkIHTnYMEWDv3WTK1f Localize Units (simple)
Question
Convert $1$ m$^2$ to mm$^2$.
Answer:
  • 1000000
Question
Convert $1$ ft$^2$ to in$^2$.
Answer:
  • 144

Classifier: The question explicitly uses metric units ("m^2" and "mm^2"), which requires localization to US customary units or a decision on metric pedagogy per the decision rules.

Verifier: The question involves converting between metric units (m^2 to mm^2), which requires localization or a pedagogy-based decision. It is a simple conversion.

RNYfHnDBwoKiRmUki1o8 Localize Spelling (AU-US)
Question
Rob is buying a laptop and can choose from $12$-inch, $14$-inch, or $16$-inch models in black, white, silver, grey, or gold. How many total options does he have?
Answer:
  • 15
Question
Rob is buying a laptop and can choose from $12$-inch, $14$-inch, or $16$-inch models in black, white, silver, gray, or gold. How many total options does he have?
Answer:
  • 15

Classifier: The text uses "inch" which is a US customary unit (and also used globally for screen/laptop sizes). The spelling "grey" is common in AU/UK, but "gray" is US; however, "grey" is often accepted in US English and the context of laptop colors makes this a weak signal for RED compared to the explicit use of inches. No other AU-specific terminology or metric units are present.

Verifier: The text contains the word "grey". While "grey" is used in the US, it is the standard AU spelling, and per the strict instructions (Rule 1), AU spelling requires RED classification. Since there are no metric units or terminology changes, RED.spelling_only is the correct leaf.

SLRP5g0xMVQj2MlJQWOn Localize Terminology
Multiple Choice
True or false: If a factorised cubic function has a repeated factor and a linear factor, then the repeated factor corresponds to one of the turning points.
Options:
  • False
  • True
Multiple Choice
True or false: If a factored cubic function has a repeated factor and a linear factor, then the repeated factor corresponds to one of the turning points.
Options:
  • False
  • True

Classifier: Contains "factorised" (AU spelling) and "turning points" (AU terminology for US "vertex" or "extrema"). "Factorised" requires spelling conversion and "turning points" requires terminology conversion.

Verifier: Contains "factorised" (AU spelling) and "turning points" (AU terminology for US "vertex" or "extrema"). Per rule 5, terminology is the more impactful change.

SYjh9iKOKBthS8Yr6jvx Localize Units (simple)
Question
A plane flies $100$ km on a bearing of $025^\circ \text{T}$. How far east does the plane fly?
Hint: Use trigonometry to determine the distance travelled.
Answer:
  • 42.26
Question
A plane flies $100$ mi on a bearing of $025^\circ \text{T}$. How far east does the plane fly?
Hint: Use trigonometry to determine the distance traveled.
Answer:
  • 42.26

Classifier: The question contains the metric unit "km" (kilometers), which requires conversion or review for US localization. It also uses "bearing of 025^\circ \text{T}" which is common in AU/UK navigation contexts but less common in US K-12 math compared to standard position angles, though the metric unit is the primary trigger.

Verifier: The question uses the metric unit "km" (kilometers) and the AU/UK navigation convention "bearing of 025° T". Per rule 3, any metric unit requires at least RED.units_simple_conversion.

RnaJIS4qsLfIp97ckgEf Localize Terminology
Question
An item costs $\$720$ excluding GST. What is the amount paid including GST?
Answer:
  • 792
Question
An item costs $\$720$ excluding sales tax. What is the amount paid including sales tax?
Answer:
  • 792

Classifier: The term "GST" (Goods and Services Tax) is specific to the Australian (and other Commonwealth) tax systems. In a US context, this would typically be "sales tax".

Verifier: The term "GST" (Goods and Services Tax) is a specific tax terminology used in Australia, New Zealand, and Canada. In the US, "Sales Tax" is the equivalent term. This requires localization.

RNWcFDZ78vmqkyca36R7 Localize Units (simple)
Multiple Choice
What is the volume, in litres, of a cube with a side length of $10$ cm?
Options:
  • $10$ L
  • $100$ L
  • $1$ L
  • $1000$ L
Multiple Choice
What is the volume, in gallons, of a cube with a side length of $10$ in?
Options:
  • $10$ gal
  • $100$ gal
  • $1$ gal
  • $1000$ gal

Classifier: The text contains metric units ("cm", "litres", "L") and the AU spelling "litres". Per rule 6, units conversion is the most impactful change.

Verifier: The text contains metric units ("cm", "litres", "L") and the AU spelling "litres". Per rule 5, units conversion is the most impactful change.

SkPw5ggrbDnDjPUFWl2Q Localize Terminology
Question
Tom buys a refrigerator whose cost price is $\$3,000$. He pays a deposit of $\$500$. He must pay the remaining amount by making ten monthly payments of $\$295$. Calculate the flat rate of interest for this hire-purchase agreement.
Answer:
  • 18
Question
Tom buys a refrigerator whose cost price is $\$3,000$. He pays a deposit of $\$500$. He must pay the remaining amount by making ten monthly payments of $\$295$. Calculate the flat rate of interest for this installment loan.
Answer:
  • 18

Classifier: Contains "hire-purchase agreement", which is a common Commonwealth term for what is typically called an "installment plan" or "rent-to-own" in the US. Also uses "p.a." (per annum), which while understood, is more frequent in AU/UK contexts than US K-12.

Verifier: The term "hire-purchase agreement" is a specific Commonwealth/AU term for installment buying, and "p.a." (per annum) is the standard AU notation for interest rates, whereas US contexts typically use "APR" or "per year".

SWG36e9AnYKmZYyRqOeH Localize Spelling (AU-US)
Multiple Choice
Which of the following correctly splits the middle term in $x^2 +6x + 8$ so it can be factorised by grouping?
Options:
  • $x^2+8x-4x+8$
  • $x^2+4x+2x+8$
  • $x^2+2x-8x+8$
  • $x^2-5x-3x+8$
Multiple Choice
Which of the following correctly splits the middle term in $x^2 +6x + 8$ so it can be factored by grouping?
Options:
  • $x^2+8x-4x+8$
  • $x^2+4x+2x+8$
  • $x^2+2x-8x+8$
  • $x^2-5x-3x+8$

Classifier: The word "factorised" uses the AU/UK 's' spelling instead of the US 'z' spelling.

Verifier: The word "factorised" is used in the source text, which is the AU/UK spelling. Per rule 1, AU spelling always requires RED classification.

SHSntJAIEUH13pQ5NyWG Localize Terminology
Multiple Choice
Which graph would best display the number of students who received different test scores?
Options:
  • Column graph
  • Picture graph
  • Line graph
  • Pie chart
Multiple Choice
Which graph would best display the number of students who received different test scores?
Options:
  • Bar graph
  • Pictograph
  • Line graph
  • Pie chart

Classifier: The term "Column graph" is standard AU terminology for what is almost exclusively called a "Bar graph" in US K-12 education. "Picture graph" is also more commonly "Pictograph" in the US, though "Picture graph" is sometimes used.

Verifier: The term "Column graph" is the standard Australian curriculum term for what is called a "Bar graph" in the US. "Picture graph" is also more commonly "Pictograph" in US K-12.

SXn25tElDcxi8L3FazJ4 Localize Terminology
Multiple Choice
What is the turning point of the parabola $y=6x^{2}-36x+6$ ?
Options:
  • $(-3,-48)$
  • $(3,-48)$
  • $(-3,48)$
  • $(3,48)$
Multiple Choice
What is the vertex of the parabola $y=6x^{2}-36x+6$ ?
Options:
  • $(-3,-48)$
  • $(3,-48)$
  • $(-3,48)$
  • $(3,48)$

Classifier: The term "turning point" is standard AU school terminology for the vertex of a parabola. In a US context, "vertex" is the standard term.

Verifier: The term "turning point" is the standard AU school term for what is typically called the "vertex" in US K-12 mathematics.

S9DhqVhWsdbko7BgKEQj Localize Units (simple)
Question
The longitudes of point $A$ and point $B$ are $10^\circ E$ and $30^\circ W$ respectively. Find the distance between them if they both lie on the equator, given that the Earth's radius is 6400 km.
Answer:
  • 4468.04
Question
The longitudes of point $A$ and point $B$ are $10^\circ E$ and $30^\circ W$ respectively. Find the distance between them if they both lie on the equator, given that the Earth's radius is 6400 miles.
Answer:
  • 4468.04

Classifier: The text contains the metric unit "km" (kilometers) multiple times, which requires localization to US customary units (miles) or a decision on maintaining metric for scientific context, but per rules, any metric unit triggers this category.

Verifier: The question contains the metric unit "km" (kilometers) in both the content and the suffix. Per rule 3, any metric unit requires at least RED.units_simple_conversion.

S6j2jMW3lRTbWKYna9Mw Localize Units (simple)
Multiple Choice
True or false: In triangle $\text{ABC}$, $\angle B=35^\circ,AB=6$ cm and $AC=3.5$ cm. It is possible to find a unique value for $\angle C$.
Options:
  • True
  • False
Multiple Choice
True or false: In triangle $\text{ABC}$, $\angle B=35^\circ,AB=6$ in and $AC=3.5$ in. It is possible to find a unique value for $\angle C$.
Options:
  • True
  • False

Classifier: The text contains the metric unit "cm", which requires localization to US customary units or a unitless context per US localization standards.

Verifier: The text contains the metric unit "cm", which requires localization. It is a simple conversion as it involves static side lengths in a geometry problem.

RYX0LPqfIgiNMA6Hpf5y Localize Terminology
Multiple Choice
Which of the following is a hybrid function?
Options:
  • None of the above
  • $f(x)=\begin{cases}x&;x\leq5\\7&;x>5\end{cases}$
  • $f(t)=2t^2+4t-6$ $;0\leq t\leq 100$
  • $f(x)=x^2$ $;x\in R$
Multiple Choice
Which of the following is a piecewise function?
Options:
  • None of the above
  • $f(x)=\begin{cases}x&;x\leq5\\7&;x>5\end{cases}$
  • $f(t)=2t^2+4t-6$ $;0\leq t\leq 100$
  • $f(x)=x^2$ $;x\in R$

Classifier: The term "hybrid function" is the standard Australian term for what is called a "piecewise function" in the United States.

Verifier: The term "hybrid function" is the specific Australian curriculum term for what is known as a "piecewise function" in the US. This requires localization of terminology.

Se6EDuleXdhv4B1K7jXD Localize Units (simple)
Multiple Choice
An object moves in a straight line and its displacement function is given by $s(t)=t^2-2t-5$ metres where time $t$ is in seconds. Find the acceleration function for the object.
Options:
  • None of the above
  • $a(t)=4t^2-2t$ m/s$^2$
  • $a(t)=2$ m/s$^2$
  • $a(t)=2t-2$ m/s$^2$
Multiple Choice
An object moves in a straight line and its displacement function is given by $s(t)=t^2-2t-5$ feet where time $t$ is in seconds. Find the acceleration function for the object.
Options:
  • None of the above
  • $a(t)=4t^2-2t$ ft/s$^2$
  • $a(t)=2$ ft/s$^2$
  • $a(t)=2t-2$ ft/s$^2$

Classifier: Contains metric units ("metres", "m/s^2") and AU spelling ("metres"). Per rule 6, units conversion is the most impactful change.

Verifier: The text contains the metric unit "metres" (AU spelling) and "m/s^2". Per Rule 1 and Rule 3, any metric unit or AU spelling requires RED classification. The conversion is simple as it involves identifying the derivative/units rather than complex formula re-derivation.

SxTsh39VGUviFYBE4wi0 Localize Terminology
Multiple Choice
Determine whether $\triangle ABC$ is scalene, isosceles, or equilateral given that $A=(0,0,-5)$, $B=(5,0,0)$ and $C=(0,-5,0)$.
Options:
  • Right angled triangle
  • Equilateral triangle
  • Isosceles triangle
  • Scalene triangle
Multiple Choice
Determine whether $\triangle ABC$ is scalene, isosceles, or equilateral given that $A=(0,0,-5)$, $B=(5,0,0)$ and $C=(0,-5,0)$.
Options:
  • Right triangle
  • Equilateral triangle
  • Isosceles triangle
  • Scalene triangle

Classifier: The answer set contains the term "Right angled triangle", which is the standard AU/UK term. The US equivalent is "Right triangle". Per rule 6, terminology takes precedence over GREEN.

Verifier: The answer choice "Right angled triangle" is the standard AU/UK term, whereas the US uses "Right triangle". This requires localization.

SzCFVwQoFtAqdbuB9OCf Localize Spelling (AU-US)
Multiple Choice
Fill in the blank: The point at which both axes intersect is called the $[?]$ on the Cartesian plane.
Options:
  • Cross-point
  • Zero point
  • Origin
  • Centre
Multiple Choice
Fill in the blank: The point at which both axes intersect is called the $[?]$ on the Cartesian plane.
Options:
  • Cross-point
  • Zero point
  • Origin
  • Center

Classifier: The answer choice "Centre" uses the AU/UK spelling, which requires localization to the US spelling "Center".

Verifier: The answer choice "Centre" uses AU/UK spelling, which requires localization to US "Center".

USs2lA74TYf55gA3u2lq Localize Units (simple)
Question
How many grams are in $2.5$ kg of potatoes?
Answer:
  • 2500
Question
How many ounces are in $2.5$ lb of potatoes?
Answer:
  • 40

Classifier: The question explicitly uses metric units (grams, kg) and asks for a conversion between them. Per the decision rules, any metric unit requires classification into a RED.units category.

Verifier: The question uses metric units (grams, kg) and requires a simple conversion.

TPKnl3DbcRugMGljaY3k Localize Units (simple)
Question
A cone of height $h=18$ cm is inscribed in a sphere of radius $r=10$ cm. Find the radius of the cone.
Answer:
  • 4
Question
A cone of height $h=18$ in is inscribed in a sphere of radius $r=10$ in. Find the radius of the cone.
Answer:
  • 4

Classifier: The text contains the metric unit "cm" multiple times, which requires localization to US customary units per the decision rules.

Verifier: The text contains the metric unit "cm". Since it involves a simple geometric relationship (cone inscribed in a sphere) with a few numeric values and no complex physics equations, simple conversion is appropriate.

UML4l9F2Ogys1wS1QD1G Localize Units (simple)
Question
A sector has a radius of $3.16$ cm and an area of $24.964$ cm$^2$. Find its arc length.
Answer:
  • 15.8
Question
A sector has a radius of $3.16$ in and an area of $24.964$ in$^2$. Find its arc length.
Answer:
  • 15.8

Classifier: The text contains metric units ("cm" and "cm$^2$") which require conversion to US customary units.

Verifier: The text contains metric units "cm" and "cm$^2$" which require conversion to US customary units. The calculation is a simple geometric relationship (Area = 0.5 * r * arc length), making it a simple conversion.

TSXw0teZUNypRn9KeWxs Localize Units (simple)
Multiple Choice
True or false: If the velocity of a particle is $-5$ m/s, then the object is moving to the right.
Options:
  • False
  • True
Multiple Choice
True or false: If the velocity of a particle is $-5$ ft/s, then the object is moving to the right.
Options:
  • False
  • True

Classifier: The text contains the metric unit "m/s" (metres per second), which triggers a mandatory RED classification for units.

Verifier: The text contains the metric unit "m/s" (metres per second), which requires localization.

UuHbGBRRPtbEw5Wfqb0v Localize Terminology
Multiple Choice
True or false: The gradient-intercept form of a linear equation is $y=mx+c$, where $m$ is the gradient and $c$ is the y-intercept.
Options:
  • False
  • True
Multiple Choice
True or false: The slope-intercept form of a linear equation is $y=mx+b$, where $m$ is the slope and $b$ is the y-intercept.
Options:
  • False
  • True

Classifier: The text uses "gradient-intercept form" and the term "gradient", which are standard in AU/UK. In the US, this is almost exclusively referred to as "slope-intercept form" and "slope". Additionally, it uses the formula "y=mx+c", whereas the US standard is "y=mx+b".

Verifier: The use of "gradient" instead of "slope" and the formula "y=mx+c" instead of "y=mx+b" are distinct markers of AU/UK school context terminology compared to the US.

Uz6uZYTurfu64vLEqmUw Localize Units (simple)
Question
The velocity function of an object moving in a straight line is $v(t)=2t-1$ m/s. Find its change in displacement from $t=1$ to $t=3$ seconds.
Answer:
  • 6
Question
The velocity function of an object moving in a straight line is $v(t)=2t-1$ ft/s. Find its change in displacement from $t=1$ to $t=3$ seconds.
Answer:
  • 6

Classifier: The text contains metric units ("m/s" and "m" as a suffix for displacement), which requires localization to US customary units (e.g., ft/s and ft) per the decision rules.

Verifier: The question contains metric units "m/s" and "m" (metres), which requires RED classification for conversion to US customary units.

VgpAaIbrcNCh4oKsOxaB Localize Terminology
Question
A student has mastered $50.2\%$ of $500$ maths skills. How many skills remain to be mastered?
Answer:
  • 249
Question
A student has mastered $50.2\%$ of $500$ math skills. How many skills remain to be mastered?
Answer:
  • 249

Classifier: Contains the term "maths", which is the standard AU/UK term and needs to be localized to "math" for US audiences.

Verifier: Contains the term "maths", which is the standard AU/UK term and requires localization to "math" for US audiences.

UTZS4pmnd9E0HX5ErNpy Localize Units (simple)
Multiple Choice
Fill in the blank: $750$ cm$^3=[?]$ L
Options:
  • $0.075$
  • $0.75$
  • $7.5$
  • $75$
Multiple Choice
Fill in the blank: $750$ in$^3=[?]$ gal
Options:
  • $0.075$
  • $0.75$
  • $7.5$
  • $75$

Classifier: The question involves converting between metric units (cm^3 and L).

Verifier: The question involves converting between metric units (cm^3 and L).

W1qjF4QJQTwGBkZFGYAB Localize Terminology
Question
In a pair of vertically opposite angles, one angle measures $50^\circ$. What is the measure of the other angle in the pair?
Answer:
  • 50
Question
In a pair of vertical angles, one angle measures $50^\circ$. What is the measure of the other angle in the pair?
Answer:
  • 50

Classifier: The term "vertically opposite angles" is the standard AU/UK term for what is called "vertical angles" in the US.

Verifier: The term "vertically opposite angles" is the standard AU/UK term for what is called "vertical angles" in the US. This is a terminology difference in a school context.

Vf6GoHUGaWsCZhNT5eUM Localize Units (simple)
Question
Calculate the volume (in litres) of a cylindrical tank with a height of $5$ m and a base area of $4$ m$^2$.
Hint: 1 m$^3$= 1000 litres
Answer:
  • 20000
Question
Calculate the volume (in gallons) of a cylindrical tank with a height of $5$ ft and a base area of $4$ ft$^2$.
Hint: 1 ft$^3$= 1000 gallons
Answer:
  • 20000

Classifier: Contains metric units (m, m^2, m^3) and AU-specific spelling of "litres". Per rule 6, units conversion is the most impactful change.

Verifier: Contains metric units (m, m^2, m^3) and the AU spelling "litres". Simple conversion is appropriate as it is a basic volume calculation.

Tg6nJJtjm1ETbaN0x5A7 Localize Units (simple)
Multiple Choice
The perimeter of an isosceles triangle is $30$ cm. The base is $2$ cm less than the sum of the equal sides. What are the measures of the sides?
Options:
  • $3$ cm, $3$ cm, $6$ cm
  • $8$ cm, $8$ cm, $14$ cm
  • $9$ cm, $9$ cm, $16$ cm
  • $6$ cm, $6$ cm, $10$ cm
Multiple Choice
The perimeter of an isosceles triangle is $30$ in. The base is $2$ in less than the sum of the equal sides. What are the measures of the sides?
Options:
  • $3$ in, $3$ in, $6$ in
  • $8$ in, $8$ in, $14$ in
  • $9$ in, $9$ in, $16$ in
  • $6$ in, $6$ in, $10$ in

Classifier: The text contains the metric unit "cm" (centimetres) multiple times in both the question and the answer set, which requires conversion to US customary units (e.g., inches).

Verifier: The question and answers contain the metric unit "cm" (centimetres), which requires conversion to US customary units. The conversion is simple as it involves linear measurements in a geometric context.

Vh3Q6z2cxfNUDxtqpCAm Localize Units (simple)
Question
Find the area of a sector with arc length $24$ cm and radius $12$ cm.
Hint: Use $l=r\theta$ and $A=\frac{1}{2}\theta{r}^{2}$
Answer:
  • 144
Question
Find the area of a sector with arc length $24$ in and radius $12$ in.
Hint: Use $l=r\theta$ and $A=\frac{1}{2}\theta{r}^{2}$
Answer:
  • 144

Classifier: Contains metric units (cm, cm^2) which require conversion for US localization.

Verifier: Contains metric units (cm, cm^2) which require conversion.

VrvLjS5LTpH4clqqZ04l Localize Units (simple)
Question
An object moving in a straight line has velocity function $v(t)=t^2-5$ m/s for $t\geq0$ s. Find the speed of the object at $t=1$ s.
Answer:
  • 4
Question
An object moving in a straight line has velocity function $v(t)=t^2-5$ ft/s for $t\geq0$ s. Find the speed of the object at $t=1$ s.
Answer:
  • 4

Classifier: The text contains metric units ("m/s" and "s") which require localization/conversion according to the decision rules.

Verifier: The text contains metric units "m/s" and "s", which require RED classification per rule 3.

VyxWztBvdqRK0BqCnPPm Localize Units (simple)
Question
A particle is moving with a velocity of $3t^2-4$ m/s for time $0\leq t\leq 10$ seconds. What is the average speed for the first two seconds? Write your answer to the nearest whole number.
Answer:
  • 3
Question
A particle is moving with a velocity of $3t^2-4$ ft/s for time $0\leq t\leq 10$ seconds. What is the average speed for the first two seconds? Write your answer to the nearest whole number.
Answer:
  • 3

Classifier: The question contains metric units ("m/s") which require conversion or localization for a US audience.

Verifier: The question contains the metric unit "m/s" (metres per second), which requires conversion for a US audience. It is a simple conversion as it involves a single unit-bearing value in the expression and a straightforward calculation.

VaScgqzXGLxPQHbCXJ8u Localize Spelling (AU-US)
Multiple Choice
Which of the following equations represents a circle centred at $(3,5)$ with a radius of $16$ units?
Options:
  • $(x-3)^{2}+(y-5)^{2}=256$
  • $(x-3)^{2}+(y-5)^{2}=4$
  • $(x+3)^{2}+(y+5)^{2}=256$
  • $(x+5)^{2}+(y+3)^{2}=16$
Multiple Choice
Which of the following equations represents a circle centered at $(3,5)$ with a radius of $16$ units?
Options:
  • $(x-3)^{2}+(y-5)^{2}=256$
  • $(x-3)^{2}+(y-5)^{2}=4$
  • $(x+3)^{2}+(y+5)^{2}=256$
  • $(x+5)^{2}+(y+3)^{2}=16$

Classifier: The word "centred" is the AU/UK spelling. The US spelling is "centered". While "units" is mentioned, it is used generically (coordinate geometry) rather than as a metric unit.

Verifier: The text contains "centred", which is the AU/UK spelling. The US spelling is "centered". As per rule 1, AU spelling always requires RED classification.

WC4ngeSjb0SvRdBxTWGK Localize Terminology
Multiple Choice
Out of $1500$ school students, $250$ were surveyed on whether they like maths. What is the sample size?
Options:
  • $1000$
  • $250$
  • $1250$
  • $1500$
Multiple Choice
Out of $1500$ school students, $250$ were surveyed on whether they like math. What is the sample size?
Options:
  • $1000$
  • $250$
  • $1250$
  • $1500$

Classifier: The text uses the term "maths", which is the standard AU/UK term. In the US, the term is "math".

Verifier: The text uses "maths", which is the standard AU/UK term for the US "math". This is a terminology difference.

WSjjWrw5bVLRfWniOtbu Localize Spelling (AU-US)
Question
$\text{Pr}(A)=0.3$, $\text{Pr}(B)=0.5$ and $\text{Pr}(A \cap B)= 0.2$. Given this information, find $\text{Pr}( A \cup B)$.
Hint: It may be helpful to use a Venn diagram to visualise this situation.
Answer:
  • 0.6
Question
$\text{Pr}(A)=0.3$, $\text{Pr}(B)=0.5$ and $\text{Pr}(A \cap B)= 0.2$. Given this information, find $\text{Pr}( A \cup B)$.
Hint: It may be helpful to use a Venn diagram to visualize this situation.
Answer:
  • 0.6

Classifier: The word "visualise" uses the AU/UK 's' spelling instead of the US 'z' spelling.

Verifier: The word "visualise" in the hint field is the AU/UK spelling. Per rule 1, any AU spelling requires RED classification.

WX7LPUzYl6AumZWR8DV1 Localize Units (complex)
Multiple Choice
A boy was playing with his toy car, and the car was moving with the velocity $v(t)=-9t^2+7t+22$ cm/s. Find the direction in which the toy car was moving at $t=3$ s.
Options:
  • Cannot be determined
  • Not moving
  • Moving backwards
  • Moving forwards
Multiple Choice
A boy was playing with his toy car, and the car was moving with the velocity $v(t)=-9t^2+7t+22$ in/s. Find the direction in which the toy car was moving at $t=3$ s.
Options:
  • Cannot be determined
  • Not moving
  • Moving backward
  • Moving forward

Classifier: The text contains the metric unit "cm/s" which requires localization to US customary units (e.g., in/s).

Verifier: The question contains a metric unit "cm/s" within a velocity function v(t). Per rule 4, equations defining quantities in metric (e.g., v(t) = -9t^2 + 7t + 22 cm/s) should be classified as RED.units_complex_converted rather than simple conversion, as they may require formula review.

W4MoaeU9p1TTsvLzUKg1 Localize Terminology
Multiple Choice
Find the equation of the parabola whose turning point is at $(-1,-5)$ and passes through $(-2,-13)$.
Options:
  • $y=-13\left(x+1\right)^{2}-5$
  • $y=7\left(x+1\right)^{2}-5$
  • $y=8\left(x-1\right)^{2}-5$
  • $y=-8\left(x+1\right)^{2}-5$
Multiple Choice
Find the equation of the parabola whose vertex is at $(-1,-5)$ and passes through $(-2,-13)$.
Options:
  • $y=-13\left(x+1\right)^{2}-5$
  • $y=7\left(x+1\right)^{2}-5$
  • $y=8\left(x-1\right)^{2}-5$
  • $y=-8\left(x+1\right)^{2}-5$

Classifier: The text uses the term "turning point" to refer to the vertex of a parabola. In a US school context, "vertex" is the standard term used for this concept.

Verifier: The term "turning point" is the standard AU term for what is called the "vertex" of a parabola in the US school context.

WfmDWMffkjqDFPbDhwwo Localize Terminology
Question
Fill in the blank: Ellen took an interest-only loan of $\$30000$ at $8.5\%$ annual interest, compounded fortnightly. To find her quarterly payment using a finance solver, the value of $Pp/Y$ or $P/Y = [?]$.
Answer:
  • 26
Question
Fill in the blank: Ellen took an interest-only loan of $\$30000$ at $8.5\%$ annual interest, compounded every two weeks. To find her quarterly payment using a finance solver, the value of $Pp/Y$ or $P/Y = [?]$.
Answer:
  • 26

Classifier: The term "fortnightly" is common in AU but rare/unused in US educational contexts (usually "every two weeks"). Additionally, "finance solver" often refers to specific calculator functions (like TI-84 TVM Solver) used in the AU curriculum.

Verifier: The term "fortnightly" is a distinct AU/UK term (US uses "every two weeks" or "bi-weekly"). Additionally, the reference to "finance solver" and specific variables like "Pp/Y" or "P/Y" refers to the TVM solver on calculators (like the TI-84 or Casio) which is a specific pedagogical focus in the Australian General Mathematics/Further Mathematics curriculum.

WhAlMWRIJQx1eUo5CPAK Localize Units (simple)
Question
The taxi fare is $\$15$ for the first kilometre and $\$10$ for each additional kilometre. What is the total fare for a $6$-kilometre journey?
Answer:
  • 65
Question
The taxi fare is $\$15$ for the first mile and $\$10$ for each additional mile. What is the total fare for a $6$-mile journey?
Answer:
  • 65

Classifier: The text contains the metric unit "kilometre" (AU spelling) multiple times. This requires conversion to US customary units (miles) or at least a spelling change to "kilometer", but per rule 6, units conversion takes precedence.

Verifier: The text contains "kilometre", which is both a metric unit and an AU spelling. Per rule 5, units conversion takes precedence over spelling.

WoBKlUj87l13iwqoPzsK Localize Units (simple)
Question
Fill in the blank: $62.460$ kL $=[?]$ L
Answer:
  • 62460
Question
Fill in the blank: $62.460$ gal $=[?]$ fl oz
Answer:
  • 7994.88

Classifier: Contains metric units "kL" (kiloliters) and "L" (liters). Any metric unit requires classification as RED.units_simple_conversion.

Verifier: The question contains metric units "kL" (kiloliters) and "L" (liters). Per rule 3, any metric unit requires at least RED.units_simple_conversion.

WbQnQdqgOjmxkyfZl5G0 Localize Terminology
Multiple Choice
Which of the following is a solution to the given simultaneous equations below? $2y+7x=-5$ $5y-7x=12$
Options:
  • $x=1, y=1$
  • $x=-1, y=1$
  • $x=-1, y=-1$
  • $x=1, y=-1$
Multiple Choice
Which of the following is a solution to the given system of equations below? $2y+7x=-5$ $5y-7x=12$
Options:
  • $x=1, y=1$
  • $x=-1, y=1$
  • $x=-1, y=-1$
  • $x=1, y=-1$

Classifier: The term "simultaneous equations" is the standard AU/UK term for what is almost exclusively called a "system of equations" in US mathematics.

Verifier: The term "simultaneous equations" is the standard AU/UK term, whereas US curriculum almost exclusively uses "system of equations".

WsuFUBiWtUcZBfAAsAMb Localize Units (simple)
Question
One day in winter, it snowed $\frac{50}{8}$ cm. The following day, $\frac{45}{8}$ cm of snow fell. How much less snow fell on the second day?
Answer:
  • \frac{5}{8}
Question
One day in winter, it snowed $\frac{50}{8}$ in. The following day, $\frac{45}{8}$ in of snow fell. How much less snow fell on the second day?
Answer:
  • \frac{5}{8}

Classifier: The text contains the metric unit "cm" (centimetres), which requires conversion to US customary units (e.g., inches) for US localization.

Verifier: The text contains the metric unit "cm" (centimetres), which requires conversion to US customary units.

Wp4KMMSGzkGl5VRBCqEF Localize Units (simple)
Question
By the SAS congruency rule, $\Delta ABC \cong \Delta PQR$. For $\angle A=30^\circ$, $\overline{AB}=15$ cm and $\overline{AC}=12$ cm, what is the measure of $\overline{PQ}$?
Answer:
  • 15
Question
By the SAS congruence rule, $\Delta ABC \cong \Delta PQR$. For $\angle A=30^\circ$, $\overline{AB}=15$ in and $\overline{AC}=12$ in, what is the measure of $\overline{PQ}$?
Answer:
  • 15

Classifier: The text contains the metric unit "cm" multiple times, which requires conversion to US customary units (inches) for US localization. It also uses "congruency", though units are the higher priority flag.

Verifier: The question contains the metric unit "cm" in the content and suffix, which requires conversion for US localization. The conversion is simple as it involves a single value and no complex equations.

WhuGGUpaUNbGMCjREFqh Localize Terminology
Multiple Choice
What is the formula for the principal, $P$, of a loan, if the following are given: time, $t$ years, amount invested, $A$, and interest rate, $r\%$ per annum.
Options:
  • $\frac{\left(1+\frac{t}{100}\right)^r}{A}$
  • $A\left(1+\frac{t}{100}\right)^r$
  • $\frac{1}{A}\left(1+\frac{r}{100}\right)^t$
  • $\frac{A}{\left(1+\frac{r}{100}\right)^t}$
Multiple Choice
What is the formula for the principal, $P$, of a loan, if the following are given: time, $t$ years, amount invested, $A$, and interest rate, $r\%$ per year.
Options:
  • $\frac{\left(1+\frac{t}{100}\right)^r}{A}$
  • $A\left(1+\frac{t}{100}\right)^r$
  • $\frac{1}{A}\left(1+\frac{r}{100}\right)^t$
  • $\frac{A}{\left(1+\frac{r}{100}\right)^t}$

Classifier: The term "per annum" is standard in AU/UK financial contexts but is typically replaced by "per year" or "annually" in US K-12 math contexts. More importantly, "interest rate, r% per annum" is a specific phrasing style. However, the most distinct AU signal is the use of "per annum" in a school context.

Verifier: The term "per annum" is characteristic of AU/UK financial math pedagogy; US K-12 contexts typically use "per year" or "annually".

XN0h6lU4HZFdSYuPVzxx Localize Spelling (AU-US)
Question
Factorise $x^2+x$
Answer:
  • {x}({x}+1)
Question
Factor $x^2+x$
Answer:
  • {x}({x}+1)

Classifier: The word "Factorise" uses the AU/UK 's' spelling and needs to be converted to the US 'z' spelling ("Factorize").

Verifier: The word "Factorise" uses the AU/UK 's' spelling, which requires localization to the US 'z' spelling ("Factorize").

XGO148Za0UWNs0GX1KwK Localize Spelling (AU-US)
Question
Factorising $x^2-5x-14$ gives an expression of the form $(x+a)(x+b)$ Find the value of $a+b$.
Answer:
  • -5
Question
Factoring $x^2-5x-14$ gives an expression of the form $(x+a)(x+b)$ Find the value of $a+b$.
Answer:
  • -5

Classifier: Contains the AU spelling "Factorising", which needs to be converted to the US spelling "Factorizing".

Verifier: The text contains "Factorising", which is AU/British spelling. Per rule 1, AU spelling always requires RED classification.

Wv1ZpZXv03uQDuas38Mo Localize Terminology
Multiple Choice
True or false: $f(x)=|x-2|$ can be represented as a hybrid function.
Options:
  • False
  • True
Multiple Choice
True or false: $f(x)=|x-2|$ can be represented as a piecewise function.
Options:
  • False
  • True

Classifier: The term "hybrid function" is the standard AU term for what is known as a "piecewise function" in the US. This requires terminology localization.

Verifier: "Hybrid function" is a specific Australian curriculum term for what is called a "piecewise function" in the US.

Wzl011z6zWPffVH86O3Y Localize Terminology
Question
Find the highest common factor of $54,288$ and $360$.
Answer:
  • 18
Question
Find the greatest common factor of $54,288$ and $360$.
Answer:
  • 18

Classifier: The term "highest common factor" (HCF) is the standard AU/UK term, whereas the US equivalent is typically "greatest common factor" (GCF).

Verifier: The term "highest common factor" (HCF) is the standard AU/UK term, whereas the US equivalent is "greatest common factor" (GCF). This requires RED classification per rule 1.

Xjye5Tl63l38VEpXISca Localize Terminology
Question
A washing machine costs $\$1200$, including GST. What is the price excluding GST?
Answer:
  • 1090.91
Question
A washing machine costs $\$1200$, including sales tax. What is the price excluding sales tax?
Answer:
  • 1090.91

Classifier: Contains "GST" (Goods and Services Tax), which is the specific consumption tax used in Australia. In a US context, this would typically be localized to "sales tax" or removed, as the US does not have a GST.

Verifier: The term "GST" (Goods and Services Tax) is specific to the Australian tax system and requires localization to "sales tax" or similar for a US context.

YLurE5G8YqeHs2lKU6Kn Localize Units (simple)
Question
Fill in the blank: $8254$ cm$^{3}=[?]$ L
Answer:
  • 8.254
Question
Fill in the blank: $8254$ in$^{3}=[?]$ gal
Answer:
  • 8.254

Classifier: Contains metric units (cm^3 and L) which require conversion or localization per the decision rules.

Verifier: The question explicitly uses metric units (cm^3 and L), which requires RED classification per rule 3.

Y7jXsuOg5bhW7Pdw0BjU Localize Terminology
Question
Find the highest common factor of $65$, $156$ and $262$.
Answer:
  • 1
Question
Find the greatest common factor of $65$, $156$ and $262$.
Answer:
  • 1

Classifier: The term "highest common factor" (HCF) is the standard AU/UK term, whereas the US equivalent is "greatest common factor" (GCF).

Verifier: "Highest common factor" (HCF) is the standard AU/UK term, whereas the US equivalent is "greatest common factor" (GCF).

XM2PPwGqVzEfyLSIbPP3 Localize Units (simple)
Question
I take two and a half hours to run $1.5$ km. What is my average speed in km per hour?
Answer:
  • 0.6
Question
I take two and a half hours to run $1.5$ mi. What is my average speed in miles per hour?
Answer:
  • 0.6

Classifier: The question explicitly uses metric units ("km", "km per hour", "km/h") which require localization to US customary units (miles).

Verifier: The question uses metric units ("km", "km per hour", "km/h") which require conversion to US customary units (miles). It is a simple conversion as it involves a single rate calculation.

YQmLi5yndl7J19TjQXK7 Localize Units (textual)
Multiple Choice
Which of the following is the imperial unit of mass?
Options:
  • Miligrams
  • Pounds
  • Kilograms
  • Grams
Multiple Choice
Which of the following is the US customary unit of mass?
Options:
  • Milligrams
  • Pounds
  • Kilograms
  • Grams

Classifier: The question and answers refer to units of mass conceptually ("Kilograms", "Grams", "Miligrams") rather than as specific measurements. Note: "Miligrams" is also a misspelling of "Milligrams".

Verifier: The question explicitly discusses units of mass ("Kilograms", "Grams", "Miligrams") in a conceptual/textual way.

Xw9qquvghPpS904rtmFX Localize Units (simple)
Question
The radii of circles $A$ and $B$ are $20$ cm and $10$ cm, respectively. The circumference of circle $C$ is equal to the sum of the circumferences of $A$ and $B$. Find the radius of circle $C$.
Answer:
  • 30
Question
The radii of circles $A$ and $B$ are $20$ in and $10$ in, respectively. The circumference of circle $C$ is equal to the sum of the circumferences of $A$ and $B$. Find the radius of circle $C$.
Answer:
  • 30

Classifier: The text contains the metric unit "cm" multiple times, which requires localization to US customary units or a decision on metric usage in US curriculum.

Verifier: The text contains the metric unit "cm" in the content and suffix, requiring conversion for US localization.

YETljIGuFg49NQC7URB3 Localize Units (simple)
Question
Find the area of a quadrant of a circle if the circumference of the circle is $12$ m.
Hint: A quadrant is a quarter of a circle.
Answer:
  • 2.86
Question
Find the area of a quadrant of a circle if the circumference of the circle is $12$ ft.
Hint: A quadrant is a quarter of a circle.
Answer:
  • 2.86

Classifier: Contains the metric unit "m" (metres) and "m^2", which requires conversion to US customary units (e.g., feet/inches).

Verifier: Contains metric units "m" (metres) and "m^2" which require conversion to US customary units.

XGwlupoasbU4DBfH2ZM4 Localize Units (simple)
Question
In triangle $ABC$, $\overline{BC} = 11$ cm, $\overline{AB} = 15$ cm, and $\angle{ABC} = 25.5^\circ$. Find $\overline{AC}$.
Answer:
  • 6.9
Question
In triangle $ABC$, $\overline{BC} = 11$ in, $\overline{AB} = 15$ in, and $\angle{ABC} = 25.5^\circ$. Find $\overline{AC}$.
Answer:
  • 6.9

Classifier: Contains the metric unit "cm" multiple times, which requires localization to US customary units.

Verifier: The question contains the metric unit "cm" in both the content and the suffix, requiring conversion to US customary units.

YYwzwwyvARp5SRqmrJn6 Localize Spelling (AU-US)
Question
Bill makes a purchase of $\$2000$ and pays a deposit of $\$500$ and agrees to pay the rest in $7$ instalments, each worth $\$250$ in a year. Calculate the flat rate of interest.
Answer:
  • 16.67
Question
Bill makes a purchase of $\$2000$ and pays a deposit of $\$500$ and agrees to pay the rest in $7$ installments, each worth $\$250$ in a year. Calculate the flat rate of interest.
Answer:
  • 16.67

Classifier: The problem uses standard financial terminology ("purchase", "deposit", "instalments", "flat rate of interest"). While "instalments" is the preferred AU/UK spelling, it is also an accepted (though less common) variant in the US; however, the prompt rules for GREEN focus on the absence of metric units and specific AU school terms. "Flat rate of interest" is a universal mathematical concept. No metric units or AU-specific school levels are present.

Verifier: The text contains the word "instalments", which is the AU/UK spelling. The US spelling is "installments". Per rule 1, any AU spelling disqualifies GREEN.

YBRJQietR8EWif7ULLfY Localize Units (simple)
Question
A factory has $30$ metres of fabric and $420$ minutes to make pairs of jeans and trousers. Each pair of jeans requires $2.5$ metres of fabric, $30$ minutes of labour, and brings a profit of $\$2$. Each pair of trousers requires $2.8$ metres of fabric, $45$ minutes of labour, and brings a profit of $\$3$. How many pairs of jeans should the factory produce to maximise the total profit?
Answer:
  • 6
Question
A factory has $30$ feet of fabric and $420$ minutes to make pairs of jeans and pants. Each pair of jeans requires $2.5$ feet of fabric, $30$ minutes of labor, and brings a profit of $\$2$. Each pair of pants requires $2.8$ feet of fabric, $45$ minutes of labor, and brings a profit of $\$3$. How many pairs of jeans should the factory produce to maximize the total profit?
Answer:
  • 6

Classifier: Contains metric units ("metres") which require conversion to US customary units. Also contains AU spellings ("metres", "labour", "maximise"). Per rule 6, units conversion takes precedence over spelling.

Verifier: Contains metric units ("metres") and AU spellings ("metres", "labour", "maximise"). Per rule 5, units conversion takes precedence.

YIdwWGugF8psKni8EqEr Localize Units (simple)
Multiple Choice
To boil between $10$ and $60$ litres of water, the time required is given by the equation: $\text{time} = 2 + 2.5 \times \text{volume of water}$ Which of the following data represents an extrapolation?
Options:
  • $18$ minutes
  • $2.5$ hours
  • $2$ hours
  • $56$ minutes
Multiple Choice
To boil between $10$ and $60$ gallons of water, the time required is given by the equation: $\text{time} = 2 + 2.5 \times \text{volume of water}$ Which of the following data represents an extrapolation?
Options:
  • $18$ minutes
  • $2.5$ hours
  • $2$ hours
  • $56$ minutes

Classifier: Contains the metric unit "litres", which also uses AU-specific spelling. Per rule 1, any metric unit requires classification outside of GREEN.

Verifier: The text contains the metric unit "litres", which uses AU/British spelling and requires conversion to US customary units (gallons) for a US audience.

X88xhw8DIx9Per7kblnE Localize Terminology
Multiple Choice
Fill in the blank: GST is applied to goods and services sold $[?]$.
Options:
  • None of the above
  • Both domestically and internationally
  • Internationally
  • Domestically
Multiple Choice
Fill in the blank: Sales tax is applied to goods and services sold $[?]$.
Options:
  • None of the above
  • Both domestically and internationally
  • Internationally
  • Domestically

Classifier: The term "GST" (Goods and Services Tax) is specific to the Australian (and other Commonwealth) tax systems. In a US context, this would typically refer to "Sales Tax" or would not be applicable in this format. This is a locale-specific economic/school context term.

Verifier: The term "GST" (Goods and Services Tax) is a specific tax system used in Australia and other Commonwealth countries. In the US, "Sales Tax" is the equivalent term. This requires localization of the economic context.

XOzVfbXXNEP8JtYPdetM Localize Spelling (AU-US)
Multiple Choice
Which of the following correctly splits the middle term in $x^2 + 5x -6$ so it can be factorised by grouping?
Options:
  • $x^2+4x+x-6$
  • $x^2+6x-x-6$
  • $x^2-3x-2x-6$
  • $x^2+8x-3x-6$
Multiple Choice
Which of the following correctly splits the middle term in $x^2 + 5x -6$ so it can be factored by grouping?
Options:
  • $x^2+4x+x-6$
  • $x^2+6x-x-6$
  • $x^2-3x-2x-6$
  • $x^2+8x-3x-6$

Classifier: Contains the AU spelling "factorised", which needs to be converted to the US spelling "factorized".

Verifier: The word "factorised" is the AU/British spelling; the US spelling is "factorized". This requires a spelling-only change.

XqclHP1ceC6Ip39mgqie Localize Terminology
Multiple Choice
Which of the following represents the correct gradient-intercept form for the linear equation $2x+3y-6=0$?
Options:
  • $y=\frac{2}{3}x+6$
  • $y=-\frac{2}{3}x-6$
  • $y=\frac{2}{3}x-2$
  • $y=-\frac{2}{3}x+2$
Multiple Choice
Which of the following represents the correct slope-intercept form for the linear equation $2x+3y-6=0$?
Options:
  • $y=\frac{2}{3}x+6$
  • $y=-\frac{2}{3}x-6$
  • $y=\frac{2}{3}x-2$
  • $y=-\frac{2}{3}x+2$

Classifier: The term "gradient-intercept form" is the standard AU/UK term for what is almost exclusively called "slope-intercept form" in US curriculum.

Verifier: The term "gradient-intercept form" is the standard AU/UK term, whereas "slope-intercept form" is used in the US. This requires localization for school context.

YIk0u73J5aF0kY4gMaWM Localize Units (complex)
Multiple Choice
A car starts from rest and has a velocity of $v(t)=24t^2-4$ km/h for time $t\geq0$. Find the displacement function $s(t)$ for the car at any time $t$.
Options:
  • $s(t)=8t^2-4t$
  • $s(t)=24t^3-4t$
  • $s(t)=8t^3-4$ m
  • $s(t)=8t^3-4t$ m
Multiple Choice
A car starts from rest and has a velocity of $v(t)=24t^2-4$ mi/h for time $t\geq0$. Find the displacement function $s(t)$ for the car at any time $t$.
Options:
  • $s(t)=8t^2-4t$
  • $s(t)=24t^3-4t$
  • $s(t)=8t^3-4$ ft
  • $s(t)=8t^3-4t$ ft

Classifier: Contains metric units "km/h" and "m" (metres) in the answer choices. Per rule 1, any metric unit requires localization.

Verifier: While the classifier correctly identified the presence of metric units ("km/h" and "m"), this should be classified as RED.units_complex_converted because the metric units are embedded within a functional equation (v(t)=24t^2-4 km/h). Converting this to US customary units (mph and feet/miles) would require re-deriving or scaling the coefficients of the function, which fits the definition of complex conversion.

YOM7wqPzF1vpFk7AiiNY Localize Units (simple)
Multiple Choice
In a right-angled triangle, the hypotenuse is $20$ cm, and one side is $x$ cm. Express the length of the other side in terms of $x$ cm.
Options:
  • $\sqrt{(x^2-20^2)}$ cm
  • $\sqrt{(20^2-x^2)}$ cm
  • $(20+x^2)^2$ cm
  • $(20^2+x^2)$ cm
Multiple Choice
In a right triangle, the hypotenuse is $20$ in, and one side is $x$ in. Express the length of the other side in terms of $x$ in.
Options:
  • $\sqrt{(x^2-20^2)}$ in
  • $\sqrt{(20^2-x^2)}$ in
  • $(20+x^2)^2$ in
  • $(20^2+x^2)$ in

Classifier: The text contains metric units ("cm") and the AU-specific term "right-angled triangle" (US: "right triangle"). Per rule 6, units conversion is the most impactful change.

Verifier: The text contains the metric unit "cm" and the AU-specific term "right-angled triangle" (US: "right triangle"). Per rule 5, units conversion is the most impactful change.

YZSoTHse6JTynxxlsbNk Localize Units (simple)
Question
Find the area of a circle whose circumference is $22$ cm.
Answer:
  • 38.49
Question
Find the area of a circle whose circumference is $22$ in.
Answer:
  • 38.49

Classifier: The text contains metric units ("cm" and "cm^2") which require conversion for US localization.

Verifier: The question contains metric units ("cm" and "cm^2") which require conversion for US localization.

YjzUoBHZnUm9av5Ou4SC Localize Spelling (AU-US)
Question
What is $x(x+3)+7(x+3)$ in factorised form?
Answer:
  • ({x}+7)({x}+3)
Question
What is $x(x+3)+7(x+3)$ in factored form?
Answer:
  • ({x}+7)({x}+3)

Classifier: Contains the AU spelling "factorised", which needs to be converted to the US spelling "factorized".

Verifier: The text contains "factorised", which is the AU/British spelling. US spelling is "factorized".

ZBAXxz4aSmmvkQTdHbtI Localize Units (simple)
Question
A triangle has sides of $13$ cm and $14$ cm, and a semiperimeter of $21$ cm. What is its area?
Answer:
  • 84
Question
A triangle has sides of $13$ in and $14$ in, and a semiperimeter of $21$ in. What is its area?
Answer:
  • 84

Classifier: The question contains metric units ("cm" and "cm$^2$") which require conversion for US localization.

Verifier: The question contains metric units ("cm" and "cm$^2$") which require conversion to US customary units. It is a simple conversion as it involves a basic geometric area calculation with few values.

ZmC0sEhWGdeQHTd5gtlq Localize Units (simple)
Question
Fill in the blank: $4.5$ mm$^2=[?]$ cm$^2$
Answer:
  • 0.045
Question
Fill in the blank: $4.5$ in$^2=[?]$ ft$^2$
Answer:
  • 0.031

Classifier: The question explicitly requires conversion between metric units (mm^2 to cm^2). Any metric unit presence triggers this category.

Verifier: The question involves converting between metric units (mm^2 to cm^2), which requires RED classification.

YbUQIgPI1Z9RWN68TXWv Localize Spelling (AU-US)
Multiple Choice
Which of the following is an example of numerical data?
Options:
  • Gender of students
  • Height of students
  • Hair colour of students
  • Type of pets owned by students
Multiple Choice
Which of the following is an example of numerical data?
Options:
  • Gender of students
  • Height of students
  • Hair color of students
  • Type of pets owned by students

Classifier: Contains the AU spelling "colour" which needs to be converted to "color".

Verifier: Contains the AU spelling "colour" in the answer choices, which requires localization to "color".

ZuEfSYxiBcTcznoZUoXe Localize Spelling (AU-US)
Question
What is the $y$-coordinate of the centre of the circle $(x-7)^2+(y-4)^2=25$?
Answer:
  • 4
Question
What is the $y$-coordinate of the center of the circle $(x-7)^2+(y-4)^2=25$?
Answer:
  • 4

Classifier: The text contains the AU spelling "centre", which needs to be localized to the US spelling "center".

Verifier: The text contains "centre", which is the AU spelling of "center".

ZJRWkAFJN7VabqZ0hjpD Localize Units (simple)
Question
An amusement park is located $3$ km east and $2$ km north of a museum. What is the true bearing of the amusement park from the museum?
Answer:
  • 56.3
Question
An amusement park is located $3$ mi east and $2$ mi north of a museum. What is the bearing of the amusement park from the museum?
Answer:
  • 56.3

Classifier: The text contains metric units ("km") which require conversion to US customary units (miles). It also uses "true bearing" and the notation "$^\circ \text{T}$", which is common in AU/UK navigation contexts but less common in US K-12 math, though the metric unit is the primary trigger.

Verifier: The text contains metric units ("km") which require conversion to US customary units. The use of "true bearing" and "$^\circ \text{T}$" notation is also a strong indicator of AU/UK curriculum context, but the metric unit is the primary trigger for RED.

ZoqfXECqvL8NRSwuDNil Localize Units (simple)
Question
Find the distance around the edge of a circular swimming pool whose radius is $5.4$m.
Answer:
  • 33.9
Question
Find the distance around the edge of a circular swimming pool whose radius is $5.4$ft.
Answer:
  • 33.9

Classifier: The question uses the metric unit 'm' (metres) for the radius and the answer suffix.

Verifier: The question uses the metric unit "m" (metres), which necessitates a RED classification.

ZSlQpYOwj7hEihpPAOYd Localize Terminology
Multiple Choice
Which of the following is true? A hire purchase payment $[?]$ the cost of the item purchased.
Options:
  • Decreases
  • Increases
Multiple Choice
Which of the following is true? An installment loan payment $[?]$ the cost of the item purchased.
Options:
  • Decreases
  • Increases

Classifier: "Hire purchase" is a common term in AU/UK/Commonwealth countries for what is typically called "installment plan" or "rent-to-own" in the US. It is a specific financial/educational term that requires localization.

Verifier: "Hire purchase" is a specific financial term used in AU/UK/Commonwealth curricula that corresponds to "installment plan" or "rent-to-own" in the US.

ZMHl4D7bbsIN5ZFIyfx8 Localize Units (simple)
Multiple Choice
True or false: A runner was running in a marathon with a velocity of $12$ m/s and an acceleration of $3$ m/s$^2$. The speed of the runner was increasing with time.
Options:
  • False
  • True
Multiple Choice
True or false: A runner was running in a marathon with a velocity of $12$ ft/s and an acceleration of $3$ ft/s$^2$. The speed of the runner was increasing with time.
Options:
  • False
  • True

Classifier: The text contains metric units for velocity ("m/s") and acceleration ("m/s$^2$"), which require localization to US customary units (e.g., ft/s).

Verifier: The text contains metric units for velocity ("m/s") and acceleration ("m/s$^2$"), which require conversion to US customary units.

a20bb594-7fe1-4322-9e11-607fbdf9d0df Localize Answer set
Question
Why do the parallel sides matter when defining a trapezium?
Answer:
  • The parallel sides are what make a trapezium different from other quadrilaterals.
Question
Why do the parallel sides matter when defining a trapezoid?
Answer:
  • The parallel sides are what make a trapezoid different from other quadrilaterals.

Classifier: The term "trapezium" is used. In the US, this shape (a quadrilateral with at least one pair of parallel sides) is called a "trapezoid". This requires a terminology change in both the question and the answer.

Verifier: The term "trapezium" is the standard AU/UK term for what is called a "trapezoid" in the US. This requires terminology localization.

ZBhoNXqLOnvoOy6gFRKg Localize Terminology
Multiple Choice
The equation $5x-2y=3$ can be written as $y=mx+c$, where $m$ is the gradient of the line. What is the value of $c$ ?
Options:
  • $2$
  • $\frac{5}{3}$
  • $-\frac{3}{2}$
  • $3$
Multiple Choice
The equation $5x-2y=3$ can be written as $y=mx+b$, where $m$ is the slope of the line. What is the value of $b$ ?
Options:
  • $2$
  • $\frac{5}{3}$
  • $-\frac{3}{2}$
  • $3$

Classifier: The term "gradient" is used to describe the slope of a line. In US school contexts, "slope" is the standard term. Additionally, the equation form $y=mx+c$ is used, whereas the US standard is typically $y=mx+b$.

Verifier: The term "gradient" is used instead of the US standard "slope", and the formula $y=mx+c$ is used instead of $y=mx+b$.

Zut7xVSiBS42OOkAgCUJ Localize Spelling (AU-US)
Multiple Choice
Which type of graph is most suitable for representing car sales for different coloured cars ?
Options:
  • Scatterplot
  • Segmented bar charts
  • Parallel bar chart
  • Dot plots
Multiple Choice
Which type of graph is most suitable for representing car sales for different colored cars?
Options:
  • Scatterplot
  • Segmented bar charts
  • Parallel bar chart
  • Dot plots

Classifier: The text contains the AU spelling "coloured", which needs to be localized to the US spelling "colored".

Verifier: The text contains "coloured", which is the AU spelling of "colored".

a3b4cbac-cf20-4204-89e1-51310788b55e Localize Spelling (AU-US)
Question
How can converting ratios to percentages simplify understanding data in surveys?
Hint: Visualise how percentages quantify survey results.
Answer:
  • Converting ratios to percentages simplifies understanding data in surveys by making proportions clearer and easier to interpret.
Question
How can converting ratios to percentages simplify understanding data in surveys?
Hint: Visualize how percentages quantify survey results.
Answer:
  • Converting ratios to percentages simplifies understanding data in surveys by making proportions clearer and easier to interpret.

Classifier: The word "Visualise" uses the AU/UK 's' spelling and needs to be converted to the US 'z' spelling ("Visualize").

Verifier: The word "Visualise" in the hint field is AU/UK spelling and requires conversion to "Visualize" for US localization.

a4sXXmmnSuKm6JShFYR0 Localize Units (simple)
Multiple Choice
Which of the following examples of data is not discrete?
Options:
  • The number of galaxies in the universe
  • The population of a city
  • The time it takes to run $100$ m
  • The prices of items in a supermarket
Multiple Choice
Which of the following examples of data is not discrete?
Options:
  • The number of galaxies in the universe
  • The population of a city
  • The time it takes to run $100$ ft
  • The prices of items in a supermarket

Classifier: The text contains the metric unit "m" (metres) in the context of a physical measurement (running 100 m), which requires localization to US customary units or acknowledgment of metric usage.

Verifier: The text contains the metric unit "m" (metres) in the context of a physical measurement (100 m), which requires localization.

a9i5sHyk5ZeSZ1FVRz6K Localize Spelling (AU-US)
Question
Rationalise the denominator and simplify ${\Large\frac{1}{1+\sqrt{2}}}$ .
Options:
  • (-1+\sqrt{2})
  • (\sqrt{2}-1)
Question
Rationalize the denominator and simplify ${\Large\frac{1}{1+\sqrt{2}}}$ .
Options:
  • (-1+\sqrt{2})
  • (\sqrt{2}-1)

Classifier: Contains the AU/UK spelling "Rationalise", which needs to be converted to the US spelling "Rationalize".

Verifier: Contains "Rationalise", which is the AU/UK spelling. US spelling is "Rationalize".

a56c45cf-036b-49b8-807e-d64d95a9eff2 Localize Spelling (AU-US)
Question
How does factorising a quadratic equation help in solving it?
Hint: Find factors that add to $b$ and multiply to $ac$ in $ax^2 + bx + c$.
Answer:
  • Factorising breaks a quadratic into simpler binomials, making it easier to solve by setting each factor to zero.
Question
How does factoring a quadratic equation help in solving it?
Hint: Find factors that add to $b$ and multiply to $ac$ in $ax^2 + bx + c$.
Answer:
  • Factoring breaks a quadratic into simpler binomials, making it easier to solve by setting each factor to zero.

Classifier: The text uses the AU spelling "factorising" (multiple instances), which needs to be converted to the US spelling "factorizing".

Verifier: The text uses the AU spelling "factorising", which requires localization to the US spelling "factorizing".

aFmddY5hqIauElIvAq2r Localize Units (simple)
Question
Cal lives $\frac{1}{5}$ km from the museum. Sophia lives $\frac{3}{5}$ km from the museum. How much closer is Cal to the museum than Sophia?
Answer:
  • \frac{2}{5}
Question
Cal lives $\frac{1}{5}$ mi from the museum. Sophia lives $\frac{3}{5}$ mi from the museum. How much closer is Cal to the museum than Sophia?
Answer:
  • \frac{2}{5}

Classifier: The text contains the metric unit "km" (kilometres), which requires conversion to US customary units (miles) for US localization.

Verifier: The question uses "km" (kilometres), which is a metric unit requiring conversion to US customary units (miles).

ZuSBm2920s6lT4G4x2fL Localize Units (simple)
Multiple Choice
Sarah's rectangular cake tin has a base area of $180$ cm$^2$. The length is $3$ cm longer than the width. What are the dimensions of the cake tin?
Options:
  • Length $ = 15$ cm, Width $ = 12$ cm
  • Length $ = 14$ cm, Width $ = 11$ cm
  • Length $ = 20$ cm, Width $ = 9$ cm
  • Length $ = 18$ cm, Width $ = 10$ cm
Multiple Choice
Sarah's rectangular cake pan has a base area of $180$ in$^2$. The length is $3$ in longer than the width. What are the dimensions of the cake pan?
Options:
  • Length $ = 15$ in, Width $ = 12$ in
  • Length $ = 14$ in, Width $ = 11$ in
  • Length $ = 20$ in, Width $ = 9$ in
  • Length $ = 18$ in, Width $ = 10$ in

Classifier: The question and answers contain metric units ("cm" and "cm^2") which require conversion to US customary units for localization.

Verifier: The question uses metric units (cm and cm^2) which require conversion to US customary units. The math is a simple quadratic/area problem, fitting simple conversion.

aKjlsIm51sM9Kuc87bQL Localize Spelling (AU-US)
Question
What are the coordinates of the centre of the circle $(x+11)^2+(y+7)^2=r^2$?
Answer:
  • {(-11,-7)}
Question
What are the coordinates of the center of the circle $(x+11)^2+(y+7)^2=r^2$?
Answer:
  • {(-11,-7)}

Classifier: Contains the AU spelling "centre", which needs to be localized to the US spelling "center".

Verifier: Contains the AU spelling "centre", which needs to be localized to the US spelling "center".

aM7hPr9KvEesZAn4kbDP Review Review
Question
A student picked up $12$ pieces of rubbish on Monday and $25$ pieces on Tuesday. How many pieces of rubbish did they pick up in total?
Answer:
  • 37
Question
A student picked up $12$ pieces of trash on Monday and $25$ pieces on Tuesday. How many pieces of trash did they pick up in total?
Answer:
  • 37

Classifier: The term "rubbish" is highly characteristic of AU/UK English, whereas "trash" or "litter" is more common in US English. While understandable, it often triggers localization in educational contexts. However, it is not a technical math term or a spelling difference, so I am marking as uncertain to defer to specific style guide policy on general vocabulary.

Verifier: The term "rubbish" is a distinct AU/UK term for "trash" or "garbage". While the classifier was uncertain, this is a clear terminology difference that requires localization in an educational context.

ab998875-19eb-48cc-ac1d-5c31875be8e6 Localize Spelling (AU-US)
Question
How does understanding powers relate to recognising exponential growth in real-world situations?
Answer:
  • Powers show repeated multiplication. This helps explain why exponential growth, like population growth or compound interest, increases so quickly
Question
How does understanding powers relate to recognizing exponential growth in real-world situations?
Answer:
  • Powers show repeated multiplication. This helps explain why exponential growth, like population growth or compound interest, increases so quickly

Classifier: The word "recognising" uses the AU/UK 's' spelling; the US equivalent is "recognizing".

Verifier: The word "recognising" is used in the source text, which is the AU/UK spelling. The US spelling is "recognizing". Per rule 1, any AU spelling requires RED classification.

aZHDzoz31MwMlxsfF5Xb Localize Terminology
Multiple Choice
Fill in the blank: The full form of GST is $[?]$.
Options:
  • Goods & Salary Tax
  • Goods & Sales Tax
  • Goods & Services Tax
  • General Service Tax
Multiple Choice
Fill in the blank: GST stands for $[?]$.
Options:
  • General & Sales Tax
  • Government Sales Tax
  • Sales Tax
  • Gross Sales Tax

Classifier: The question asks for the full form of "GST" (Goods and Services Tax). While GST exists in some other countries, it is the standard consumption tax in Australia, whereas the US uses "Sales Tax". This is a locale-specific financial/mathematical term.

Verifier: The question specifically asks for the definition of "GST" (Goods and Services Tax), which is the specific consumption tax system used in Australia (and New Zealand/Canada/India), whereas the US uses "Sales Tax". This is a locale-specific terminology requirement.

akzLZ6gJUKNvEtKkO9t9 Localize Units (simple)
Question
What is $2000$ litres in m$^3$ ?
Options:
  • 02
  • 2
Question
What is $2000$ gallons in ft$^3$ ?
Options:
  • 02
  • 2

Classifier: The text contains the metric unit "litres" (AU spelling) and "m^3". This requires both spelling correction (liters) and, per policy, any metric unit triggers a RED classification for US localization planning.

Verifier: The text contains the metric unit "litres" (AU spelling) and requires conversion to "m^3". Per rule 1 and 3, metric units and AU spelling require RED classification. Simple conversion is appropriate as it is a direct unit change.

bAIkUX5nmROgG6QoGPKv Localize Terminology
Multiple Choice
What does the M stand for in BODMAS?
Options:
  • Magnitude
  • Many
  • Multiplication
  • Maths
Multiple Choice
What does the M stand for in PEMDAS?
Options:
  • Magnitude
  • Many
  • Multiplication
  • Math

Classifier: The question refers to "BODMAS", which is the AU/UK acronym for order of operations (US uses PEMDAS). Additionally, the answer choice "Maths" is a specific AU term for "Math".

Verifier: The text uses "BODMAS" (AU/UK acronym for order of operations) and the term "Maths", both of which require localization for a US audience.

b03d1a0c-3991-4278-aa40-48606f46a834 Localize Spelling (AU-US)
Question
Why do points further from the centre of rotation travel further than points closer to centre?
Answer:
  • Points further out are on bigger circles, so they move along longer paths than points closer to the centre.
Question
Why do points farther from the center of rotation travel farther than points closer to the center?
Answer:
  • Points farther out are on bigger circles, so they move along longer paths than points closer to the center.

Classifier: Contains the AU spelling "centre" multiple times, which needs to be converted to the US spelling "center".

Verifier: Contains "centre" multiple times, which is the AU spelling (US: center).

aef25bb2-8b2f-4942-9b2a-689b9eb94fce Localize Spelling (AU-US)
Question
Why is understanding shading important for identifying solution regions in inequality graphs?
Hint: Visualise how shading helps interpret graph solutions.
Answer:
  • Understanding shading is important for identifying solution regions in inequality graphs because it visually highlights where the inequality holds true.
Question
Why is understanding shading important for identifying solution regions in inequality graphs?
Hint: Visualize how shading helps interpret graph solutions.
Answer:
  • Understanding shading is important for identifying solution regions in inequality graphs because it visually highlights where the inequality holds true.

Classifier: The word "visualise" uses the AU/UK 's' spelling and needs to be converted to the US 'z' spelling ("visualize").

Verifier: The word "Visualise" in the hint field uses the AU/UK spelling and requires localization to "Visualize" for the US.

b422a62e-75ae-4576-9578-191e2457d2a1 Localize Spelling (AU-US)
Question
Why does a circle stay the same shape all the way around?
Answer:
  • A circle is round. All parts are the same space from the centre. That makes it look the same all the way around.
Question
Why does a circle stay the same shape all the way around?
Answer:
  • A circle is round. All parts are the same distance from the center. That makes it look the same all the way around.

Classifier: The answer content contains the AU spelling "centre", which needs to be localized to the US spelling "center".

Verifier: The answer text contains "centre", which is the AU spelling. This requires localization to "center".

b9840725-4bf7-45d8-9cb7-1d548e531d63 Localize Units (simple)
Question
How can choosing the right unit of volume make calculations easier?
Answer:
  • The right unit keeps the numbers simple. For example, using litres instead of mL for a big container avoids very large numbers and makes adding or multiplying easier.
Question
How can choosing the right unit of volume make calculations easier?
Answer:
  • The right unit keeps the numbers simple. For example, using gallons instead of fluid ounces for a big container avoids very large numbers and makes adding or multiplying easier.

Classifier: The text contains metric units ("litres", "mL") and AU-specific spelling ("litres"). Per the decision rules, any metric unit requires at least simple conversion classification.

Verifier: The text contains metric units ("litres", "mL") and the AU spelling "litres". Per rule 3, any metric unit requires at least RED.units_simple_conversion.

b2b00a57-f89f-43d1-af01-1ffe6909942d Localize Terminology
Question
Why do we complete the square to convert a quadratic to turning point form?
Hint: Add and subtract the square term to balance the equation.
Answer:
  • We complete the square to convert a quadratic to turning point form by rewriting it as $(x-h)^2+k$.
Question
Why do we complete the square to convert a quadratic to vertex form?
Hint: Add and subtract the square term to balance the equation.
Answer:
  • We complete the square to convert a quadratic to vertex form by rewriting it as $(x-h)^2+k$.

Classifier: The term "turning point form" is the standard AU/UK term for what is known as "vertex form" in the US. This requires terminology localization.

Verifier: The term "turning point form" is the standard Australian/British term for what is called "vertex form" in the US. This is a terminology difference.

b44928a9-927e-4d18-a8f6-868156760104 Localize Spelling (AU-US)
Question
What makes the origin special in a unit circle?
Answer:
  • The origin is the centre of the unit circle, and every point on the circle is $1$ unit away from it.
Question
What makes the origin special in a unit circle?
Answer:
  • The origin is the center of the unit circle, and every point on the circle is $1$ unit away from it.

Classifier: The answer content contains the AU spelling "centre", which requires conversion to "center".

Verifier: The answer text contains "centre", which is the AU spelling. This requires localization to "center".

b40464e6-c6f4-4958-8e61-46465b5c39e2 Localize Terminology
Question
Why does $x = \frac{-b}{2a}$ give the $x$-coordinate of the turning point of a parabola?
Answer:
  • $x = \frac{-b}{2a}$ gives the $x$-coordinate of the turning point of a parabola because it represents the axis of symmetry.
Question
Why does $x = \frac{-b}{2a}$ give the $x$-coordinate of the vertex of a parabola?
Answer:
  • $x = \frac{-b}{2a}$ gives the $x$-coordinate of the vertex of a parabola because it represents the axis of symmetry.

Classifier: The term "turning point" is standard AU school terminology for the vertex of a parabola. In a US context, "vertex" is the preferred term.

Verifier: The term "turning point" is the standard AU curriculum term for what is typically called the "vertex" in the US.

b53a324b-17af-45d4-a9b2-49022800f6f7 Localize Spelling (AU-US)
Question
Why is the general form of a quadratic equation useful for modelling certain real-world problems?
Answer:
  • It shows curved patterns in real problems and helps find where the graph crosses the x-axis and its highest or lowest point.
Question
Why is the general form of a quadratic equation useful for modeling certain real-world problems?
Answer:
  • It shows curved patterns in real problems and helps find where the graph crosses the x-axis and its highest or lowest point.

Classifier: Contains the AU spelling "modelling", which requires conversion to the US spelling "modeling".

Verifier: Contains "modelling", which is the AU/UK spelling. US spelling is "modeling".

b77a0dd9-e3ef-49c1-a3e8-da292de1fee2 Localize Spelling (AU-US)
Question
Why does the 'split method' for factorising $ax^2+bx+c$ rely on finding two numbers that multiply to $a \times c$ and sum to $b$?
Hint: Focus on how factors reveal patterns in quadratics.
Answer:
  • The split method works by breaking the middle term into two parts, using numbers that fit $a \times c$ and $b$, so the expression can be grouped and factored more easily.
Question
Why does the 'split method' for factoring $ax^2+bx+c$ rely on finding two numbers that multiply to $a \times c$ and sum to $b$?
Hint: Focus on how factors reveal patterns in quadratics.
Answer:
  • The split method works by breaking the middle term into two parts, using numbers that fit $a \times c$ and $b$, so the expression can be grouped and factored more easily.

Classifier: The text contains the AU spelling "factorising", which requires conversion to the US spelling "factorizing".

Verifier: The text contains the AU spelling "factorising", which requires localization to the US spelling "factorizing".

b3c6d01a-7aae-4b29-9eed-539b9c4abf7a Localize Spelling (AU-US)
Question
How does understanding sets relate to organising information?
Answer:
  • Sets group related items, helping us organise and classify information based on shared characteristics.
Question
How does understanding sets relate to organizing information?
Answer:
  • Sets group related items, helping us organize and classify information based on shared characteristics.

Classifier: The text uses "organising" and "organise", which are AU spellings. The US equivalent is "organizing" and "organize".

Verifier: The text uses "organising" and "organise", which are AU spellings (US: organizing/organize).

b4931c8f-1d36-4551-89aa-56fb30660d7b Localize Spelling (AU-US)
Question
Why do some quadratic expressions require factorising by grouping?
Hint: Group terms into smaller factorable expressions.
Answer:
  • Some quadratics need grouping because not all terms share a common factor, so splitting them helps factor in pairs.
Question
Why do some quadratic expressions require factoring by grouping?
Hint: Group terms into smaller factorable expressions.
Answer:
  • Some quadratics need grouping because not all terms share a common factor, so splitting them helps factor in pairs.

Classifier: The question content contains the AU spelling "factorising", which needs to be localized to the US spelling "factorizing".

Verifier: The question content contains "factorising", which is the AU spelling. This requires localization to "factorizing".

b576fc56-a82d-4439-8ff3-f3b26b5e809e Localize Terminology
Question
Why does $a^{r-n}$ mean $\frac{a^r}{a^n}$?
Hint: Use the index law for division: $a^m / a^n = a^{m-n}$.
Answer:
  • $a^{r-n}$ means $\frac{a^r}{a^n}$ because subtracting exponents divides the powers of the same base.
Question
Why does $a^{r-n}$ mean $\frac{a^r}{a^n}$?
Hint: Use the exponent law for division: $a^m / a^n = a^{m-n}$.
Answer:
  • $a^{r-n}$ means $\frac{a^r}{a^n}$ because subtracting exponents divides the powers of the same base.

Classifier: Uses the term "index law", which is standard AU/UK terminology for what is typically called "exponent rules" or "laws of exponents" in the US.

Verifier: Uses "index law", which is specific AU/UK terminology for "exponent rules" or "laws of exponents".

b8LBXvY1zJ9xRLeIXT2J Localize Spelling (AU-US)
Multiple Choice
Which of the following is considered categorical data?
Options:
  • Soccer goals scored in a season
  • Number of pages in a book
  • Length of plants
  • Favourite day of the week
Multiple Choice
Which of the following is considered categorical data?
Options:
  • Soccer goals scored in a season
  • Number of pages in a book
  • Length of plants
  • Favorite day of the week

Classifier: Contains the AU spelling "Favourite", which needs to be converted to the US spelling "Favorite".

Verifier: Contains the AU spelling "Favourite" in the answer choices, which requires localization to "Favorite".

b930ad21-a4e1-4339-9320-da439975f196 Localize Spelling (AU-US)
Question
What makes solving quadratic equations of the form $x^2 = a$, given $a>0$, give two answers?
Hint: Visualise how symmetry creates two roots.
Answer:
  • Solving $x^2 = a$ for $a > 0$ gives two answers because both $+\sqrt{a}$ and $-\sqrt{a}$ satisfy the equation.
Question
What makes solving quadratic equations of the form $x^2 = a$, given $a>0$, give two answers?
Hint: Visualize how symmetry creates two roots.
Answer:
  • Solving $x^2 = a$ for $a > 0$ gives two answers because both $+\sqrt{a}$ and $-\sqrt{a}$ satisfy the equation.

Classifier: The text contains the AU/UK spelling "Visualise", which requires conversion to the US spelling "Visualize".

Verifier: The hint field contains the word "Visualise", which is the AU/UK spelling. US spelling is "Visualize".

ay6c4sigYwx3LDehOO0K Localize Terminology
Multiple Choice
Which of the following is the equation of a quartic with turning point $(5,-2)$?
Options:
  • $y=2(x-5)^{4}-2$
  • $y=2(x-2)^{4}+4$
  • $y=2(x-5)^{2}-2$
  • $y=2(x-5)^{4}+2$
Multiple Choice
Which of the following is the equation of a quartic with vertex $(5,-2)$?
Options:
  • $y=2(x-5)^{4}-2$
  • $y=2(x-2)^{4}+4$
  • $y=2(x-5)^{2}-2$
  • $y=2(x-5)^{4}+2$

Classifier: The term "turning point" is standard AU/UK terminology for what is referred to as the "vertex" in US curriculum for parabolas and higher-order polynomials.

Verifier: The term "turning point" is the standard AU/UK term for what is called the "vertex" in US mathematics curriculum for parabolas and higher-order polynomials.

b9f5cfda-8ce2-4ead-8737-7ef15029d78b Localize Spelling (AU-US)
Question
In real-world modelling with quadratic equations, why might finding scenarios with exactly one solution be important?
Hint: Think about how verifying each step prevents errors in the final result.
Answer:
  • This can represent optimal conditions, such as the maximum height reached by a projectile, the minimum cost of production, or the dimensions that maximise an area. Finding this single solution identifies the optimal value or critical point in the scenario.
Question
In real-world modeling with quadratic equations, why might finding scenarios with exactly one solution be important?
Hint: Think about how verifying each step prevents errors in the final result.
Answer:
  • This can represent optimal conditions, such as the maximum height reached by a projectile, the minimum cost of production, or the dimensions that maximize an area. Finding this single solution identifies the optimal value or critical point in the scenario.

Classifier: The text contains AU-specific spellings "modelling" and "maximise" which require conversion to US English "modeling" and "maximize".

Verifier: The text contains AU spellings "modelling" and "maximise" which require localization to US English "modeling" and "maximize".

bEnVt73581IRBy5e56pN Localize Units (complex)
Multiple Choice
An object starts from $2$ m to the right of the fixed point and moves in a straight line with velocity $v(t)=12t+2$ m/s for time $t\geq0$. Find the object's displacement function.
Options:
  • $s(t)=12t^2+2t+2$ m
  • $s(t)=6t^2+2t+4$ m
  • $s(t)=6t^2+2t+2$ m
  • $s(t)=6t^2+2t$ m
Multiple Choice
An object starts from $2$ ft to the right of the fixed point and moves in a straight line with velocity $v(t)=12t+2$ ft/s for time $t\geq0$. Find the object's displacement function.
Options:
  • $s(t)=12t^2+2t+2$ ft
  • $s(t)=6t^2+2t+4$ ft
  • $s(t)=6t^2+2t+2$ ft
  • $s(t)=6t^2+2t$ ft

Classifier: The text contains multiple metric units ("m" for metres and "m/s" for metres per second) which require conversion to US customary units.

Verifier: The question involves metric units ("m", "m/s") embedded within kinematic equations (velocity and displacement functions). Per rule 4, equations defining quantities in metric or requiring re-deriving coefficients should be classified as units_complex_converted.

b8eae23e-0f56-445f-bc94-61d85b94ef9f Localize Spelling (AU-US)
Question
What makes finding your journey's start time easy on a timetable?
Answer:
  • Finding your journey's start time is easy on a timetable because it’s organised by time and location columns.
Question
What makes finding your trip's start time easy on a schedule?
Answer:
  • Finding your trip's start time is easy on a schedule because it’s organized by time and location columns.

Classifier: Contains the AU spelling "organised", which needs to be converted to the US spelling "organized".

Verifier: Contains the AU spelling "organised" in the answer content, which requires localization to "organized".

bccd0e87-7bd7-45da-84fc-c110b09eb90e Localize Terminology
Question
Why is understanding factors important in maths?
Answer:
  • Knowing factors helps in many problems, like breaking numbers into smaller parts, finding common factors, or making fractions simpler.
Question
Why is understanding factors important in math?
Answer:
  • Knowing factors helps in many problems, like breaking numbers into smaller parts, finding common factors, or simplifying fractions.

Classifier: The text uses the term "maths", which is the standard AU/UK term and needs to be localized to "math" for a US audience.

Verifier: The text uses "maths", which is the standard AU/UK term and requires localization to "math" for US audiences.

bfvJVwxEMHbX1jaXIGpX Localize Units (simple)
Question
A bike tyre has a diameter of $70$ cm. How far will it travel after $4$ revolutions?
Answer:
  • 879.6
Question
A bike tire has a diameter of $70$ in. How far will it travel after $4$ revolutions?
Answer:
  • 879.6

Classifier: The question contains the metric unit 'cm' (centimetres) and 'tyre' (AU spelling). According to the decision rules, any metric unit requires classification into a units category.

Verifier: The question contains the metric unit 'cm' and the AU spelling 'tyre'. Per rule 5, units conversion is the most impactful change. It is a simple conversion as it involves a single geometric calculation (circumference).

ba1433c5-d7a4-44c8-8619-c700fae03b6d Localize Spelling (AU-US)
Question
Why does a linear growth rule involve adding or subtracting the same value repeatedly?
Hint: Visualise how each step adds an equal amount.
Answer:
  • A linear growth rule involves adding or subtracting the same value repeatedly because it maintains a constant rate of change.
Question
Why does a linear growth rule involve adding or subtracting the same value repeatedly?
Hint: Visualize how each step adds an equal amount.
Answer:
  • A linear growth rule involves adding or subtracting the same value repeatedly because it maintains a constant rate of change.

Classifier: The hint contains the AU/UK spelling "Visualise", which requires conversion to the US spelling "Visualize".

Verifier: The hint field contains "Visualise", which is the AU/UK spelling. This requires localization to the US spelling "Visualize".

babe3619-6127-4dfd-8b83-0df93231b8a3 Localize Spelling (AU-US)
Question
Why does the wave repeat in the graph of $\sin(x)$?
Hint: Visualise how angles on the unit circle repeat every $360$ degrees or $2\pi$ radians.
Answer:
  • The wave in $\sin(x)$ repeats because it represents periodic motion, like rotations on a unit circle.
Question
Why does the wave repeat in the graph of $\sin(x)$?
Hint: Visualize how angles on the unit circle repeat every $360$ degrees or $2\pi$ radians.
Answer:
  • The wave in $\sin(x)$ repeats because it represents periodic motion, like rotations on a unit circle.

Classifier: The hint contains the AU/UK spelling "Visualise", which requires conversion to the US spelling "Visualize".

Verifier: The hint field contains "Visualise", which is the AU/UK spelling. This requires localization to the US spelling "Visualize".

bi73P6iR8DFb0qoIBXg6 Localize Answer set
Multiple Choice
Which season comes just after spring?
Options:
  • Winter
  • August
  • Autumn
  • Summer
Multiple Choice
Which season comes just after spring?
Options:
  • Winter
  • June
  • Fall
  • Summer

Classifier: The answer set contains the term "Autumn", which is the standard AU/UK term for the season. In a US localization context, this must be changed to "Fall" to ensure the answer set is consistent with US dialect.

Verifier: The term "Autumn" is used in the answer set. In US English, "Fall" is the standard term for this season. This requires localization for dialect consistency.

btpwNli3JjDpR9Y3aUi2 Localize Spelling (AU-US)
Question
Rationalise the denominator and simplify ${\Large\frac{44}{\sqrt{11}}}$ .
Options:
  • \frac{(4\sqrt{11})}{1}
  • 4\sqrt{11}
Question
Rationalize the denominator and simplify ${\Large\frac{44}{\sqrt{11}}}$ .
Options:
  • \frac{(4\sqrt{11})}{1}
  • 4\sqrt{11}

Classifier: Contains the AU/UK spelling "Rationalise", which needs to be converted to the US spelling "Rationalize".

Verifier: The word "Rationalise" uses the AU/UK 's' spelling and must be changed to the US 'z' spelling "Rationalize".

boTsRtgjU5Ofi6JQymgB Localize Terminology
Question
Ellen took an interest-only loan of $\$30000$ at $8.5\%$ annual interest, compounded fortnightly. Find her quarterly payment using a finance solver.
Answer:
  • 98.08
Question
Ellen took an interest-only loan of $\$30000$ at $8.5\%$ annual interest, compounded every two weeks. Find her quarterly payment using a finance solver.
Answer:
  • 98.08

Classifier: The term "fortnightly" is a distinct AU/UK term that is not used in US English (where "every two weeks" or "bi-weekly" is used).

Verifier: The term "fortnightly" is a distinct AU/UK term that requires localization for a US audience (e.g., to "every two weeks").

c4hFgSfnDu1clmiRpdkm Localize Units (simple)
Question
Find the volume of a rectangular prism that has a height of $12$ cm and a base with an area of $6$ cm$^2$.
Answer:
  • 72
Question
Find the volume of a rectangular prism that has a height of $12$ in and a base with an area of $6$ in$^2$.
Answer:
  • 72

Classifier: The text contains metric units (cm, cm^2, cm^3) which require conversion for US localization.

Verifier: The question contains metric units (cm, cm^2, cm^3) which require conversion for US localization. It is a simple conversion as it involves a single calculation (12 * 6).

bmzjazXJWdWjgIA7IHD8 Localize Terminology
Question
At what annual interest rate will $\$4500$ grow to $\$6390$ in $3\frac{1}{2}$ years?
Answer:
  • 10.54
Question
At what annual interest rate will $\$4500$ grow to $\$6390$ in $3\frac{1}{2}$ years?
Answer:
  • 10.54

Classifier: The suffix uses "p.a." (per annum), which is common in AU/UK contexts but typically replaced with "per year" or omitted in favor of "annual interest rate" in US K-12 math. More importantly, "p.a." is a specific abbreviation that often triggers localization to "per year".

Verifier: The use of "p.a." (per annum) is a specific financial abbreviation common in AU/UK but typically localized to "per year" or "annual" in US K-12 contexts.

blUhU4LtIHe0wo4xQYsP Localize Units (simple)
Question
Find the distance of Lebanon$(34^\circ{N},36^\circ{E})$ from the North Pole. Give your answer to the nearest whole number.
Hint: Take Earth's radius to be $6371$ km
Answer:
  • 6226.92
Question
Find the distance of Lebanon$(34^\circ{N},36^\circ{E})$ from the North Pole. Give your answer to the nearest whole number.
Hint: Take Earth's radius to be $6371$ miles
Answer:
  • 6226.92

Classifier: The text contains metric units ("km") in the hint, suffix, and answer value. Per decision rules, any metric unit requires classification into a units category.

Verifier: The question uses metric units ("km") in the hint and suffix. Per rule 3, any metric unit requires RED classification. Since it involves a single radius value and a distance calculation, it is a simple conversion.

c2523527-cb6f-4d69-ad32-d8d9048231a0 Localize Terminology
Question
How does understanding angles help you classify triangles?
Answer:
  • Triangles are named by their angles: all less than $90^\circ$ is acute, one exactly $90^\circ$ is right-angled, and one more than $90^\circ$ is obtuse.
Question
How does understanding angles help you classify triangles?
Answer:
  • Triangles are named by their angles: all less than $90^\circ$ is acute, one exactly $90^\circ$ is a right triangle, and one more than $90^\circ$ is obtuse.

Classifier: The text uses the AU-specific term "right-angled" to describe a triangle, which should be localized to "right" in a US context.

Verifier: The answer text contains the term "right-angled", which is the standard AU/UK term for what is called a "right" triangle in the US. This requires terminology localization.

c9e93957-5864-477a-962e-2b74c189cffa Localize Terminology
Question
How does the $9$ times tables relate to counting by $9$s?
Answer:
  • The $9$ times tables show what you get when you add $9$ again and again, just like counting by $9$s.
Question
How do the $9$ times tables relate to counting by $9$s?
Answer:
  • The $9$ times tables show what you get when you add $9$ again and again, just like counting by $9$s.

Classifier: The term "times tables" is the standard AU/UK plural form; the US equivalent is typically singular "times table" or "multiplication tables".

Verifier: The term "times tables" (plural) is the standard Australian/British usage, whereas US English typically uses "times table" (singular) or "multiplication tables". This is a valid terminology distinction for school context.

cY36O97DEXf7GMhkPVcZ Localize Terminology
Question
The cost of a service is $\$90$ excluding GST. How much GST will be paid for this service?
Answer:
  • 9
Question
The cost of a service is $\100$ excluding sales tax. How much sales tax will be paid for this service?
Answer:
  • 9

Classifier: The term "GST" (Goods and Services Tax) is specific to the Australian (and other Commonwealth) tax systems. In a US context, this would typically be "sales tax".

Verifier: The term "GST" (Goods and Services Tax) is specific to Australian and Commonwealth tax systems; the US equivalent is "sales tax".

ca4XHVle6xF4EQKgzY8q Localize Units (simple)
Question
The area of a parallelogram is $45$ cm$^2$ and its base has length $9$ cm. Find the height of the parallelogram.
Answer:
  • 5
Question
The area of a parallelogram is $45$ in$^2$ and its base has length $9$ in. Find the height of the parallelogram.
Answer:
  • 5

Classifier: The question contains metric units ("cm" and "cm^2") which require localization to US customary units or a decision on metric usage per US standards.

Verifier: The question uses metric units ("cm" and "cm^2"), which requires localization for a US context. It is a simple conversion as it involves a basic geometric formula with few values.

c5e1f2f8-fb3e-4320-b560-4ac8fe62eee9 Localize Spelling (AU-US)
Question
How can recognising the natural exponential function simplify solving problems in finance and biology?
Hint: Focus on how $e^x$ applies to diverse contexts.
Answer:
  • Recognising the natural exponential function simplifies solving problems in finance and biology by providing a standard model for continuous change.
Question
How can recognizing the natural exponential function simplify solving problems in finance and biology?
Hint: Focus on how $e^x$ applies to diverse contexts.
Answer:
  • Recognizing the natural exponential function simplifies solving problems in finance and biology by providing a standard model for continuous change.

Classifier: Contains the AU/UK spelling "recognising", which requires conversion to the US spelling "recognizing".

Verifier: The text contains "recognising" (used in both the question and answer), which is the AU/UK spelling and requires localization to "recognizing" for the US.

cab76b31-510a-46ce-a754-738deb67bafb Localize Terminology
Question
Why is the null factor law useful?
Answer:
  • It makes solving equations easier, because when a product equals zero we can set each factor to zero and find the solutions.
Question
Why is the zero product property useful?
Answer:
  • It makes solving equations easier, because when a product equals zero we can set each factor to zero and find the solutions.

Classifier: The term "null factor law" is the standard term in the Australian curriculum. In the US, this is almost exclusively referred to as the "Zero Product Property".

Verifier: The term "null factor law" is specific to the Australian curriculum; the US equivalent is the "Zero Product Property".

c4rImr55uNbSvyLvaKJY Localize Units (simple)
Question
Maria runs a bakery selling strawberry cakes at a profit of $\$10$ each and Belgian cakes at $\$14$ each. Each strawberry cake requires 1 kg of flour and 1.5 hours to prepare, while each Belgian cake requires 1.5 kg of flour and 1 hour. Maria works a maximum of 8 hours daily and buys no more than 10 kg of flour. Let: $x = $ number of strawberry cakes $y = $ number of Belgian cakes Write an expression for the objective function for the bakery's profit.
Options:
  • 14{y}+10{x}
  • 10{x}+14{y}
Question
Maria runs a bakery selling strawberry cakes at a profit of $\$10$ each and Belgian cakes at $\$14$ each. Each strawberry cake requires 1 lb of flour and 1.5 hours to prepare, while each Belgian cake requires 1.5 lbs of flour and 1 hour. Maria works a maximum of 8 hours daily and buys no more than 10 lbs of flour. Let: $x = $ number of strawberry cakes $y = $ number of Belgian cakes Write an expression for the objective function for the bakery's profit.
Options:
  • 14{y}+10{x}
  • 10{x}+14{y}

Classifier: The text contains metric units (kg) which require conversion for US localization. Although the objective function itself is unitless, the problem context is defined using metric units.

Verifier: The text contains metric units (kg) which require conversion. Although the final answer is an expression, the constraints in the problem description are provided in metric units.

cPpzZQdFAd4EAiDpWGAc Localize Units (simple)
Question
The displacement function of a particle is $s(t)=2t^2-4$ mm for $0\leq t\leq2$ s. Find its initial displacement.
Hint: The initial displacement is the displacement at $t=0$
Answer:
  • -4
Question
The displacement function of a particle is $s(t)=2t^2-4$ in for $0\leq t\leq2$ s. Find its initial displacement.
Hint: The initial displacement is the displacement at $t=0$
Answer:
  • -4

Classifier: The text contains the metric unit "mm" (millimetres), which requires localization to US customary units or a decision on metric usage in science contexts. Per rule 1, any metric unit disqualifies GREEN.

Verifier: The question contains the metric unit "mm" (millimetres). Per rule 1 and 3, any metric unit requires RED classification. Since it is a simple displacement value, simple_conversion is appropriate.

cTuVIsh5GfxekAdopiTb Localize Spelling (AU-US)
Multiple Choice
What is $x^6-4$ in fully factorised form?
Options:
  • Cannot be factorised
  • $(x^3-2)^2$
  • $(x^2+2)(x^4-2)$
  • $(x^3-2)(x^3+2)$
Multiple Choice
What is $x^6-4$ in fully factored form?
Options:
  • Cannot be factored
  • $(x^3-2)^2$
  • $(x^2+2)(x^4-2)$
  • $(x^3-2)(x^3+2)$

Classifier: Contains the AU spelling "factorised" and "factorised", which requires conversion to the US spelling "factorized".

Verifier: Contains the AU spelling "factorised" in the content and "factorised" in the answer choices, which requires conversion to the US spelling "factorized".

c33f84ca-a226-4c44-bc7e-796bd8cb3ecb Localize Terminology
Question
Why does $\tan(\theta)$ give the gradient of a straight line passing through the origin with angle $\theta$ to the positive x-axis?
Hint: Focus on how congruency ensures every corresponding part matches exactly.
Answer:
  • Using trigonometry (SOH CAH TOA), $\tan(\theta) = \frac{\text{opposite}}{\text{adjacent}} = \frac{\text{rise}}{\text{run}}$, which is the definition of gradient.
Question
Why does $\tan(\theta)$ give the slope of a straight line passing through the origin with angle $\theta$ to the positive x-axis?
Hint: Focus on how congruence ensures every corresponding part matches exactly.
Answer:
  • Using trigonometry (SOH CAH TOA), $\tan(\theta) = \frac{\text{opposite}}{\text{adjacent}} = \frac{\text{rise}}{\text{run}}$, which is the definition of slope.

Classifier: The text uses the term "gradient" to refer to the slope of a line, which is the standard AU term. In a US context, "slope" is the standard term. Additionally, the hint contains the word "congruency," which typically maps to "congruence" in US English.

Verifier: The term "gradient" is the standard AU term for "slope" in a US context. Additionally, "congruency" is used in the hint, which is more common in AU/UK than the US "congruence".

cb35a216-1224-474b-9ea3-5f84c394673f Localize Spelling (AU-US)
Question
How does understanding regions in a Venn diagram relate to counting set elements?
Answer:
  • The regions separate the data into parts, so recognising them helps count all elements correctly without repeats.
Question
How does understanding regions in a Venn diagram relate to counting set elements?
Answer:
  • The regions separate the data into parts, so recognizing them helps count all elements correctly without repeats.

Classifier: The text is bi-dialect neutral. "Recognising" is spelled with an 's' in AU, but the provided text uses "recognising" which is the AU spelling; however, the prompt instructions for GREEN require ZERO AU-specific spelling. Wait, "recognising" is AU spelling (US is "recognizing"). Therefore, it must be RED.spelling_only.

Verifier: The answer text contains "recognising", which is AU/British spelling (US is "recognizing"). Per rule 1, any AU spelling disqualifies GREEN.

catV0heFlAuLqmlSzpO0 Localize Units (simple)
Question
Location coordinates are given as: Point $X$ $=0^\circ,30^\circ{E}$ Point $Y$ $=0^\circ,120^\circ{W}$ What is the shortest distance between the two points (to the nearest kilometre), where the radius of the Earth is $6400$ km?
Answer:
  • 16755
Question
Location coordinates are given as: Point $X$ $=0^\circ,30^\circ{E}$ Point $Y$ $=0^\circ,120^\circ{W}$ What is the shortest distance between the two points (to the nearest mile), where the radius of the Earth is $6400$ mi?
Answer:
  • 16755

Classifier: The text contains metric units ("kilometre", "km") and AU-specific spelling ("kilometre"). According to the decision rules, any metric unit requires at least RED.units_simple_conversion.

Verifier: The text contains metric units ("kilometre", "km") and AU-specific spelling ("kilometre"). Per rule 3, any metric unit requires at least RED.units_simple_conversion.

csDFy73E9RGzlTSNQV79 Localize Units (simple)
Question
Fill in the blank: $123$ g $=[?]$ kg
Answer:
  • 0.123
Question
Fill in the blank: $123$ oz $=[?]$ lb
Answer:
  • 7.688

Classifier: The question explicitly uses and requires conversion between metric units (grams and kilograms). Per decision rules, any metric unit requires RED classification.

Verifier: The question involves metric units (grams and kilograms), which requires RED classification per rule 3. It is a simple conversion.

cf311b11-b999-4f41-9182-7a52942cfc9d Localize Units (simple)
Question
How are kilograms and grams related?
Answer:
  • Kilograms and grams are both units for mass. One kilogram equals $1000$ grams.
Question
How are pounds and ounces related?
Answer:
  • Pounds and ounces are both units for weight. One pound equals $16$ ounces.

Classifier: The text explicitly uses and discusses metric units ("kilograms" and "grams"). Per the decision rules, any metric unit found anywhere requires classification into a units category.

Verifier: The text explicitly uses and discusses metric units ("kilograms" and "grams"). Per the decision rules, any metric unit found anywhere requires classification into a units category.

cwFV7KCUoefi1zxh9KK3 Localize Units (simple)
Question
How many litres are there in $0.5$ kL ?
Answer:
  • 500
Question
How many gallons are there in $0.5$ kgals ?
Answer:
  • 500

Classifier: Contains metric units (litres, kL, L) and AU spelling ("litres"). Per decision rules, any metric unit requires at least simple conversion classification.

Verifier: Contains metric units ("litres", "kL", "L") and AU spelling ("litres"). Per decision rules, any metric unit requires at least simple conversion classification.

cb8f7006-dd96-4df1-a5cd-7911b83c2ec7 Localize Spelling (AU-US)
Question
What makes conjugates useful when rationalising?
Hint: Multiplying by the conjugate simplifies the expression.
Answer:
  • Conjugates are useful when rationalising because they eliminate radicals in the denominator.
Question
What makes conjugates useful when rationalizing?
Hint: Multiplying by the conjugate simplifies the expression.
Answer:
  • Conjugates are useful when rationalizing because they eliminate radicals in the denominator.

Classifier: Contains the AU spelling "rationalising" (US: "rationalizing").

Verifier: Contains the AU spelling "rationalising" (US: "rationalizing") in both the question and the answer.

ced518c8-07d9-429b-bddb-9b26fe7dda8e Localize Spelling (AU-US)
Question
Why do we want to eliminate radicals from denominators by rationalising?
Hint: Rational denominators are preferred in standard form.
Answer:
  • We eliminate radicals from denominators to simplify expressions and make them easier to work with.
Question
Why do we want to eliminate radicals from denominators by rationalizing?
Hint: Rational denominators are preferred in standard form.
Answer:
  • We eliminate radicals from denominators to simplify expressions and make them easier to work with.

Classifier: The content contains the AU spelling "rationalising", which needs to be converted to the US spelling "rationalizing".

Verifier: The content contains the AU spelling "rationalising", which needs to be converted to the US spelling "rationalizing".

cfvbhPW9jWlA8ZQ6KFbP Localize Units (simple)
Multiple Choice
Which of the following is equal to $2$ m?
Options:
  • $200$ cm
  • $0.2$ mm
  • $0.02$ km
  • $20$ cm
Multiple Choice
Which of the following is equal to $2$ ft?
Options:
  • $24$ in
  • $0.2$ in
  • $0.02$ mi
  • $20$ in

Classifier: The question and answers are entirely based on metric unit conversions (m, cm, mm, km), which requires localization to US customary units or a specific pedagogical decision for the US market.

Verifier: The question is entirely based on metric unit conversions (m, cm, mm, km), which requires RED classification per rule 3.

ce336a57-e5f2-440e-945a-539ef9c0342a Localize Spelling (AU-US)
Question
Why does a quadratic equation have exactly one real solution when its discriminant equals zero?
Hint: Visualise how splitting a number into place values makes multiplication easier.
Answer:
  • In the solution formula $x = \frac{-b \pm \sqrt{b^2-4ac}}{2a}$, if the discriminant ($b^2-4ac$) is $0$, its square root is $0$. Adding or subtracting $0$ gives the same single answer.
Question
Why does a quadratic equation have exactly one real solution when its discriminant equals zero?
Hint: Visualize how splitting a number into place values makes multiplication easier.
Answer:
  • In the quadratic formula $x = \frac{-b \pm \sqrt{b^2-4ac}}{2a}$, if the discriminant ($b^2-4ac$) is $0$, its square root is $0$. Adding or subtracting $0$ gives the same single answer.

Classifier: The hint contains the AU spelling "Visualise", which requires conversion to the US spelling "Visualize".

Verifier: The hint contains the AU spelling "Visualise", which requires conversion to the US spelling "Visualize".

d5uWdyL2AmlomIE8qv1E Localize Terminology
Question
Sumaira has an investment of $\$6500$ that pays her $5.4\%$ simple interest per annum. The situation can be modelled using the recurrence relation: $V_{0}=6500;$ $V_{n+1}=V_{n}+351$ where $n$ is the number of years What is the value of Sumaira's investment after $5$ year?
Answer:
  • 8255
Question
Sumaira has an investment of $\$6500$ that pays her $5.4\%$ simple interest per year. The situation can be modeled using the recurrence relation: $V_{0}=6500;$ $V_{n+1}=V_{n}+351$ where $n$ is the number of years What is the value of Sumaira's investment after $5$ years?
Answer:
  • 8255

Classifier: The text uses the term "per annum", which is standard in AU financial contexts but is typically localized to "per year" or "annually" in US K-12/undergraduate math contexts. More importantly, it uses "modelling" (implied by "modelled" which is the US spelling, but the phrasing "per annum" is a strong AU indicator). However, the primary trigger is "per annum" in a school context. Note: "5 year" in the question is a grammatical error ("5 years") but not a localization issue.

Verifier: The term "per annum" is a strong indicator of AU/UK financial math context and is typically localized to "per year" or "annually" in US school contexts.

d8GIga2NtPXUznuZbOqe Localize Units (simple)
Question
What is the minimum number of complete rotations required for a wheel of radius $25$ cm to cover a distance of at least $10$ m?
Answer:
  • 7
Question
What is the minimum number of complete rotations required for a wheel of radius $25$ in to cover a distance of at least $10$ ft?
Answer:
  • 1

Classifier: Contains metric units "cm" and "m". Requires conversion to US customary units (e.g., inches and feet/yards) for US localization.

Verifier: Contains metric units "cm" and "m". Requires conversion to US customary units for US localization.

dm4EwsuC0RNG5bScRWpL Localize Spelling (AU-US)
Question
How many equal triangles can be formed in the centre of a pentagon?
Answer:
  • 5
Question
How many equal triangles can be formed in the center of a pentagon?
Answer:
  • 5

Classifier: Contains the AU spelling "centre", which needs to be localized to the US spelling "center".

Verifier: Contains "centre", which is the AU/UK spelling of "center".

dgDEMPluuvy8aZSIgH1O Localize Units (simple)
Question
Sam travelled $6$ km by bus and $3$ km by bicycle. How far did he travel in total?
Answer:
  • 9
Question
Sam traveled $6$ mi by bus and $3$ mi by bicycle. How far did he travel in total?
Answer:
  • 9

Classifier: The text contains the metric unit "km" (kilometres), which requires conversion to US customary units (miles) for localization.

Verifier: The text uses "km" (kilometres), which is a metric unit requiring conversion for US localization. It is a simple addition problem, so simple_conversion is correct.

d878035a-5ec1-497e-8a05-b6a68b0b6a86 Localize Units (simple)
Question
Why must both quantities in the ratio $3$ km$:$ $600$ m be written in the same units before simplifying?
Answer:
  • Ratios compare amounts, so both parts need the same unit. Otherwise the comparison is not correct.
Question
Why must both quantities in the ratio $3$ mi$:$ $600$ ft be written in the same units before simplifying?
Answer:
  • Ratios compare amounts, so both parts need the same unit. Otherwise the comparison is not correct.

Classifier: Contains metric units "km" and "m". Per decision rules, any metric unit requires classification into a units category. This is a simple conversion/pedagogy question about units.

Verifier: Contains metric units "km" and "m". Per decision rules, any metric unit requires classification into a units category.

dcvjQCSe8Nb5mHQilsyr Localize Terminology
Multiple Choice
Which type of triangle always has an altitude that perpendicularly bisects its base?
Options:
  • All of the above
  • Isosceles triangle
  • Right angled triangle
  • Scalene triangle
Multiple Choice
Which type of triangle always has an altitude that perpendicularly bisects its base?
Options:
  • All of the above
  • Isosceles triangle
  • Right triangle
  • Scalene triangle

Classifier: Contains the AU-specific term "Right angled triangle", which should be localized to "Right triangle" for US audiences.

Verifier: The term "Right angled triangle" is the standard AU/UK term, whereas the US standard is "Right triangle". This requires localization.

dStF6jDx4bRAfIN83wWl Localize Spelling (AU-US)
Question
Factorise $P(x)=8x^3-64$. Express your answer in the form $a(x+b)(x^2+cx+d)$.
Answer:
  • 8({x}-2)({x}^{2}+2{x}+4)
Question
Factor $P(x)=8x^3-64$. Express your answer in the form $a(x+b)(x^2+cx+d)$.
Answer:
  • 8({x}-2)({x}^{2}+2{x}+4)

Classifier: Contains the AU spelling "Factorise", which must be converted to the US spelling "Factorize".

Verifier: The text contains "Factorise", which is the AU/British spelling. US spelling is "Factorize".

d8e15e96-d591-4496-b7e5-b2c7c9360d84 Localize Spelling (AU-US)
Question
How can you tell which suffix to use for ordinal numbers above $20$?
Hint: Visualise how patterns determine suffixes.
Answer:
  • The suffix for ordinal numbers above $20$ depends on the last digit of the number.
Question
How can you tell which suffix to use for ordinal numbers above $20$?
Hint: Visualize how patterns determine suffixes.
Answer:
  • The suffix for ordinal numbers above $20$ depends on the last digit of the number.

Classifier: The hint field contains the AU spelling "Visualise", which needs to be converted to the US spelling "Visualize".

Verifier: The hint contains "Visualise", which is the AU spelling of "Visualize".

d85e85b2-b62f-4a6a-892a-e37308d0cd77 Localize Terminology
Question
Why does BODMAS prioritise brackets first?
Answer:
  • Brackets come first because they group numbers that must be solved together.
Question
Why does PEMDAS prioritize parentheses first?
Answer:
  • Parentheses come first because they group numbers that must be solved together.

Classifier: Contains "BODMAS", which is the standard acronym in AU/UK/NZ, whereas the US typically uses "PEMDAS". This is a school-context terminology difference.

Verifier: Contains "BODMAS", which is the standard acronym in AU/UK/NZ, whereas the US typically uses "PEMDAS". This is a school-context terminology difference.

d75ed144-35e8-442c-80ef-b4c7d3abbbd7 Localize Spelling (AU-US)
Question
Why does calculating the total surface area involve summing the areas of all the faces?
Hint: Visualise how each face contributes to the total.
Answer:
  • Calculating surface area involves summing the areas of all the faces because the surface area is the total external coverage.
Question
Why does calculating the total surface area involve summing the areas of all the faces?
Hint: Visualize how each face contributes to the total.
Answer:
  • Calculating surface area involves summing the areas of all the faces because the surface area is the total external coverage.

Classifier: The word "Visualise" uses the AU/UK 's' spelling.

Verifier: The word "Visualise" in the hint field uses the AU/UK 's' spelling.

d8d75870-74c4-4ec4-8ba1-c57dfd91b8dc Localize Spelling (AU-US)
Question
Why is it important to understand the mean when solving problems with data?
Answer:
  • The mean shows the overall centre of the data. It helps us compare groups and understand the information.
Question
Why is it important to understand the mean when solving problems with data?
Answer:
  • The mean shows the overall center of the data. It helps us compare groups and understand the information.

Classifier: The answer content contains the AU spelling "centre", which needs to be converted to the US spelling "center".

Verifier: The answer contains "centre", which is the AU spelling of "center".

dmiR3tKnxIGSGpMU3AAT Localize Spelling (AU-US)
Question
Find the distance between the co-ordinates $A(1,-2,4)$ and $B(0,-2,0)$.
Answer:
  • \sqrt{17}
Question
Find the distance between the coordinates $A(1,-2,4)$ and $B(0,-2,0)$.
Answer:
  • \sqrt{17}

Classifier: The term "co-ordinates" (with hyphen) is common in AU/UK but also accepted in US, though "coordinates" is more frequent. However, it does not violate the strict RED/GREEN rules as it is not a metric unit or a specific school term like "maths". The suffix "units" is generic.

Verifier: The word "co-ordinates" is the hyphenated AU/UK spelling. In US English, "coordinates" is the standard form without a hyphen. Per rule 1, AU spelling requires RED classification.

dpBtZ9WDXNyF0KDeTU1W Localize Spelling (AU-US)
Multiple Choice
True or false: Seasonal indices are used to deseasonalise the seasonal data for proper analysis.
Options:
  • False
  • True
Multiple Choice
True or false: Seasonal indices are used to deseasonalize the seasonal data for proper analysis.
Options:
  • False
  • True

Classifier: The word "deseasonalise" uses the AU/UK 's' spelling and needs to be converted to the US 'z' spelling ("deseasonalize").

Verifier: The word "deseasonalise" uses the AU/UK 's' spelling and requires localization to the US 'z' spelling ("deseasonalize").

e0cfbfcc-ced0-442d-8403-3c04fcf3c53a Localize Spelling (AU-US)
Question
How can mastering exponential graph transformations simplify solving problems in finance or biology?
Hint: Visualise how transformations adjust the graph.
Answer:
  • Mastering exponential graph transformations simplifies solving problems in finance or biology by clarifying growth behaviours.
Question
How can mastering exponential graph transformations simplify solving problems in finance or biology?
Hint: Visualize how transformations adjust the graph.
Answer:
  • Mastering exponential graph transformations simplifies solving problems in finance or biology by clarifying growth behaviors.

Classifier: The text contains the AU spelling 'visualise' and 'behaviours', which require conversion to US spelling ('visualize' and 'behaviors').

Verifier: The text contains AU spellings "visualise" (in the hint) and "behaviours" (in the answer), which require localization to US English.

d94a4a23-3bc7-408f-8a4f-1f336b401ec2 Localize Spelling (AU-US)
Question
How can recognising patterns in adding sequences help predict future numbers?
Answer:
  • Once you know the number being added each time, you can keep adding it to work out the next numbers.
Question
How can recognizing patterns in adding sequences help predict future numbers?
Answer:
  • Once you know the number being added each time, you can keep adding it to work out the next numbers.

Classifier: The question contains the AU spelling "recognising", which needs to be converted to the US spelling "recognizing".

Verifier: The question contains "recognising", which is the AU spelling of "recognizing".

d9dcKtVR7vKr9puwuZs4 Localize Terminology
Question
Find the $y$-coordinate of the turning point of the parabola $y=x^2-\frac{2x}{3}-\frac{8}{3}$.
Options:
  • \frac{25}{-9}
  • \frac{-25}{9}
Question
Find the $y$-coordinate of the vertex of the parabola $y=x^2- rac{2x}{3}- rac{8}{3}$.
Options:
  • \frac{25}{-9}
  • \frac{-25}{9}

Classifier: The term "turning point" is standard AU school terminology for the vertex of a parabola. In a US context, "vertex" is the preferred term.

Verifier: The term "turning point" is specific AU/UK terminology for the vertex of a parabola.

dKiNgvsIvDXQHMOhiIgB Localize Terminology
Multiple Choice
In $\triangle ABC$ and $\triangle DEF$, $\angle A\cong\angle D$, $AB\cong DE$, and $\angle B\cong\angle E$. Which congruency test proves $\triangle ABC \cong \triangle DEF$?
Options:
  • No congruency rule applies
  • ASA
  • AAS
  • SSS
Multiple Choice
In $\triangle ABC$ and $\triangle DEF$, $\angle A\cong\angle D$, $AB\cong DE$, and $\angle B\cong\angle E$. Which congruence theorem proves $\triangle ABC \cong \triangle DEF$?
Options:
  • No congruence rule applies
  • ASA
  • AAS
  • SSS

Classifier: The term "congruency" is used, which typically maps to "congruence" in US geometry curriculum.

Verifier: The term "congruency" is used multiple times (including "congruency test" and "congruency rule"). In the US geometry curriculum, the standard term is "congruence".

d63f69da-872f-4731-8748-b0d8dfaeb0a4 Localize Spelling (AU-US)
Question
Why is the transformation $y=kf(x)$ considered a vertical stretch when $|k|>1$?
Hint: Visualise how the digits shift one place to the right.
Answer:
  • It multiplies all original $y$-values by $k$. If $|k|>1$, points move vertically further from the $x$-axis, stretching the graph.
Question
Why is the transformation $y=kf(x)$ considered a vertical stretch when $|k|>1$?
Hint: Visualize how the digits shift one place to the right.
Answer:
  • It multiplies all original $y$-values by $k$. If $|k|>1$, points move vertically farther from the $x$-axis, stretching the graph.

Classifier: The word "Visualise" uses the AU/UK 's' spelling instead of the US 'z' spelling.

Verifier: The word "Visualise" in the hint field uses the AU/UK 's' spelling, which requires localization to 'z' for US English.

deYf7HFtvrJZ2Y6oddwT Localize Units (simple)
Multiple Choice
Farmers are fighting a fungal growth, which can cause crop failure. $8000$ hectares of farmland are infected right now and this infected area decreases by $5\%$ every year. How much farmland will be infected in $15$ years?
Options:
  • $3745.3$ hectares
  • $4706.4$ hectares
  • $3706.3$ hectares
  • $3800$ hectares
Multiple Choice
Farmers are fighting a fungal growth, which can cause crop failure. $8000$ acres of farmland are infected right now and this infected area decreases by $5\%$ every year. How much farmland will be infected in $15$ years?
Options:
  • $3745.3$ acres
  • $4706.4$ acres
  • $3706.3$ acres
  • $3800$ acres

Classifier: The text uses "hectares", which is a metric unit of area. This requires localization to US customary units (e.g., acres) or at least flags the content as metric-based.

Verifier: The text uses "hectares", which is a metric unit of area. This requires localization to US customary units (e.g., acres).

dGtAFlpD6ZpXNzlc4oXk Localize Spelling (AU-US)
Question
Factorise $x^3+216$. Express your answer in the form $(x+a)(x^2+bx+c)$.
Options:
  • ({x}^{2}-6{x}+36)({x}+6)
  • ({x}+6)({x}^{2}-6{x}+36)
Question
Factor $x^3+216$. Express your answer in the form $(x+a)(x^2+bx+c)$.
Options:
  • ({x}^{2}-6{x}+36)({x}+6)
  • ({x}+6)({x}^{2}-6{x}+36)

Classifier: Contains the AU spelling "Factorise", which must be localized to "Factorize" for a US audience.

Verifier: The text contains "Factorise", which is AU spelling. Per rule 1, this requires RED classification.

duEviwqlq2L8JRg3ipXW Localize Terminology
Multiple Choice
Convert the equation $y = 2x^2 - 8x + 9$ to turning point form.
Options:
  • $y=2(x - 2)^2 -2$
  • $y=(x - 4)^2 +2$
  • $ y=(2x - 2)^2 + 1$
  • $y=2(x - 2)^2 + 1$
Multiple Choice
Convert the equation $y = 2x^2 - 8x + 9$ to vertex form.
Options:
  • $y=2(x - 2)^2 -2$
  • $y=(x - 4)^2 +2$
  • $ y=(2x - 2)^2 + 1$
  • $y=2(x - 2)^2 + 1$

Classifier: The term "turning point form" is the standard AU/UK term for what is known as "vertex form" in the US. This requires localization for a US school context.

Verifier: "Turning point form" is the AU/UK equivalent of the US "vertex form", requiring localization for school context.

e39ZpWKZuHRZzrCGCeEw Localize Units (simple)
Question
Find the area of an equilateral triangle with a side length of $10$ cm.
Answer:
  • 25\sqrt{3}
Question
Find the area of an equilateral triangle with a side length of $10$ in.
Answer:
  • 25\sqrt{3}

Classifier: The question contains metric units ("cm" and "cm^2") which require conversion for US localization.

Verifier: The question uses metric units (cm and cm^2) which require conversion to US customary units. It is a simple conversion as it involves a single side length and a standard area formula.

e308c1cf-8bee-425f-be80-51167c6da023 Localize Terminology
Question
Why is identifying turning points important for analysing graph symmetry?
Answer:
  • The turning point lies on the axis of symmetry. Knowing it shows the line that divides the parabola into two equal halves.
Question
Why is identifying turning points important for analyzing graph symmetry?
Answer:
  • The turning point lies on the axis of symmetry. Knowing it shows the line that divides the parabola into two equal halves.

Classifier: Contains "analysing" (AU spelling) and "turning points" (AU terminology for vertex). Per rule 6, terminology/spelling signals make it RED. "Turning point" is a specific AU school term mapping to US "vertex".

Verifier: The text contains "analysing" (AU spelling) and "turning points" (AU terminology for vertex). Per rule 1 and 5, these require RED classification.

e87e8aa2-1f27-4561-a8d0-3bc48923d422 Localize Spelling (AU-US)
Question
Why do you separate numerical from categorical data?
Answer:
  • Numerical data are numbers we can measure or count. Categorical data are types or groups. Keeping them separate helps us organise information.
Question
Why do you separate numerical from categorical data?
Answer:
  • Numerical data are numbers we can measure or count. Categorical data are types or groups. Keeping them separate helps us organize information.

Classifier: Contains the AU spelling "organise", which requires conversion to the US spelling "organize".

Verifier: The answer text contains the AU spelling "organise", which must be localized to "organize".

e4624dcd-92bb-4d28-9e1a-9400980caf88 Localize Terminology
Question
Why must we verify that triangles are right before using Pythagoras’ theorem?
Answer:
  • It only works with a $90^\circ$ angle, so if the triangle is not right-angled the result will be wrong.
Question
Why must we verify that triangles are right before using the Pythagorean theorem?
Answer:
  • It only works with a $90^\circ$ angle, so if the triangle is not a right triangle the result will be wrong.

Classifier: The answer contains the AU-specific term "right-angled", which should be localized to "right" (as in "right triangle") for a US audience.

Verifier: The answer uses the term "right-angled", which is the standard AU/UK term for what is called a "right triangle" in the US.

eQj0zOQqVNmvjg3YzRWb Localize Terminology
Question
Write $\sqrt{3}\times\sqrt{7}$ as a single surd.
Answer:
  • \sqrt{21}
Question
Write $\sqrt{3}\times\sqrt{7}$ as a single radical.
Answer:
  • \sqrt{21}

Classifier: The term 'surd' is standard in AU/UK curriculum but is almost exclusively referred to as a 'radical' or 'radical expression' in US school mathematics.

Verifier: The term "surd" is specific to AU/UK/Commonwealth curricula; in the US, "radical" or "radical expression" is used.

eJTflSZ6ManxLwAfZGem Localize Spelling (AU-US)
Multiple Choice
True or false: A small circle can pass through the centre of the Earth.
Options:
  • False
  • True
Multiple Choice
True or false: A small circle can pass through the center of the Earth.
Options:
  • False
  • True

Classifier: Contains the AU spelling "centre", which requires conversion to the US spelling "center".

Verifier: The text contains "centre", which is the AU/British spelling of "center".

eKRFa2Y7oMV50mIkdKFB Localize Spelling (AU-US)
Question
Five ice-cream flavours are available: vanilla, strawberry, chocolate, mango and raspberry. A boy wants two different scoops of ice cream. How many different combinations of ice cream flavours can he choose, assuming that the order matters?
Answer:
  • 20
Question
Five ice-cream flavors are available: vanilla, strawberry, chocolate, mango and raspberry. A boy wants two different scoops of ice cream. How many different combinations of ice cream flavors can he choose, assuming that the order matters?
Answer:
  • 20

Classifier: Contains the AU spelling "flavours" (used twice), which requires conversion to the US spelling "flavors".

Verifier: The text contains "flavours" (twice), which is the AU/British spelling of "flavors".

eNt1nXtGocNA18IZ8bys Localize Units (simple)
Question
The length of a rectangular training area is $10$ m and the width is $8.5$ m. What is the total training area?
Answer:
  • 85
Question
The length of a rectangular training area is $10$ ft and the width is $8.5$ ft. What is the total training area?
Answer:
  • 85

Classifier: The text contains the metric unit "m" (metres) and "m^2", which requires conversion to US customary units (e.g., feet/yards).

Verifier: The question uses metric units ("m" for metres and "m^2"), which requires conversion to US customary units.

e882ab67-0b22-4f9e-8187-226b34a51a4e Localize Spelling (AU-US)
Question
How does understanding the unit circle relate to predicting sine curve behaviour?
Hint: Use the y-coordinate of points on the unit circle.
Answer:
  • The unit circle defines sine values for angles, helping us predict sine curve patterns.
Question
How does understanding the unit circle relate to predicting sine curve behavior?
Hint: Use the y-coordinate of points on the unit circle.
Answer:
  • The unit circle defines sine values for angles, helping us predict sine curve patterns.

Classifier: Contains the AU spelling "behaviour", which requires conversion to the US spelling "behavior".

Verifier: The question text contains the AU spelling "behaviour", which must be localized to "behavior".

f1524e6d-7799-42f1-9b45-e93b9be9b754 Localize Terminology
Question
Why is finding the highest common factor useful when writing fractions in simpler form?
Answer:
  • It is the biggest number that divides both the top and bottom, so the fraction is made as simple as possible in one step.
Question
Why is finding the greatest common factor useful when writing fractions in simplest form?
Answer:
  • It is the largest number that divides both the numerator and denominator, so the fraction is simplified as much as possible in one step.

Classifier: The term "highest common factor" (HCF) is standard in AU/UK, whereas the US equivalent is "greatest common factor" (GCF).

Verifier: The term "highest common factor" is the standard AU/UK term, whereas "greatest common factor" is used in the US. This requires localization for school context.

f77b1ce8-827b-4437-bcc5-5ef89c669216 Localize Units (simple)
Question
What makes height numerical data?
Answer:
  • Height is measured with numbers, like $120$ cm or $150$ cm. You can compare, add, or subtract these numbers, so height is numerical data.
Question
What makes height numerical data?
Answer:
  • Height is measured with numbers, like $120$ in or $150$ in. You can compare, add, or subtract these numbers, so height is numerical data.

Classifier: The answer text contains metric units ("cm"), which triggers a mandatory RED classification for units conversion.

Verifier: The answer text contains metric units ("cm"), which requires localization for a US audience.

f9faa71b-ec6c-48b0-834a-c1e5f0abe26c Localize Spelling (AU-US)
Question
How does understanding the behaviour near asymptotes help predict values of $y$ for very large $x$ values in a rectangular hyperbola?
Answer:
  • For very large $x$, the curve gets closer to the horizontal asymptote, so $y$ settles near a fixed value.
Question
How does understanding the behavior near asymptotes help predict values of $y$ for very large $x$ values in a rectangular hyperbola?
Answer:
  • For very large $x$, the curve gets closer to the horizontal asymptote, so $y$ settles near a fixed value.

Classifier: The text contains the AU spelling "behaviour", which requires conversion to the US spelling "behavior".

Verifier: The text contains the AU spelling "behaviour", which requires conversion to the US spelling "behavior".

f6cbccb6-b22b-43fc-a0b6-7f9ac897296c Localize Spelling (AU-US)
Question
How does understanding conjugates relate to simplifying radicals?
Hint: Multiply by the conjugate to rationalise the denominator.
Answer:
  • Conjugates eliminate radicals in the denominator, simplifying expressions.
Question
How does understanding conjugates relate to simplifying radicals?
Hint: Multiply by the conjugate to rationalize the denominator.
Answer:
  • Conjugates eliminate radicals in the denominator, simplifying expressions.

Classifier: The hint contains the AU spelling "rationalise", which requires conversion to the US spelling "rationalize".

Verifier: The hint contains the AU spelling "rationalise", which requires localization to "rationalize".

e8qG9E4IR6WHckXpdtuW Localize Units (simple)
Multiple Choice
The displacement function of a particle is given by $s(t)=t^2+6t+8$ m for $t\geq0$ in seconds. How many times does the given particle change its direction?
Options:
  • Never
  • Thrice
  • Twice
  • Once
Multiple Choice
The displacement function of a particle is given by $s(t)=t^2+6t+8$ ft for $t\geq0$ in seconds. How many times does the given particle change its direction?
Options:
  • Never
  • Thrice
  • Twice
  • Once

Classifier: The text contains the metric unit 'm' (metres) for displacement, which requires localization to US customary units (e.g., feet).

Verifier: The text contains the metric unit 'm' (metres) for displacement. Although it is part of a function $s(t)$, the conversion is simple as it only labels the output unit and does not require re-calculating coefficients within the quadratic expression to maintain physical meaning in a different system (unlike gravity-based equations).

f8mmJrbC6NJGIE6xZoX3 Localize Units (simple)
Question
An object moves with the velocity function $v(t)=7t+5$ cm s$^{-1}$, $t\geq0$. Find the average acceleration of the object from $t=3$ to $t=8$ seconds.
Answer:
  • 7
Question
An object moves with the velocity function $v(t)=7t+5$ in s$^{-1}$, $t\geq0$. Find the average acceleration of the object from $t=3$ to $t=8$ seconds.
Answer:
  • 7

Classifier: The text contains metric units ("cm s^-1" and "cm/s^2") which require localization to US customary units or a decision on metric usage in US physics/math contexts. Per decision rules, any metric unit triggers a RED category.

Verifier: The text contains metric units ("cm s^-1" and "cm/s^2"). While it involves a linear function, the conversion is a simple numeric change to the coefficient and suffix, fitting simple_conversion.

f9ddbce9-8cd2-4682-b8b3-571f20d2c22d Localize Spelling (AU-US)
Question
What makes log scales different from regular scales in histograms?
Hint: Visualise how the scale transforms data.
Answer:
  • Log scales differ from regular scales in histograms by using exponential intervals instead of equal spacing.
Question
What makes log scales different from regular scales in histograms?
Hint: Visualize how the scale transforms data.
Answer:
  • Log scales differ from regular scales in histograms by using exponential intervals instead of equal spacing.

Classifier: The text uses "visualise" in the hint, but wait—actually, looking closely at the source value: "Visualise how the scale transforms data." This is AU spelling. However, the heuristic bucket suggested GREEN and I must check the source text carefully. "Visualise" is AU spelling (US is "visualize"). Correction: The source value for the hint is "Visualise how the scale transforms data." This contains AU spelling.

Verifier: The primary classifier correctly identified "Visualise" as AU spelling in its rationale but incorrectly assigned the GREEN category leaf. "Visualise" requires localization to "Visualize".

f994d6bb-3d8d-4791-b936-044c7f630791 Localize Spelling (AU-US)
Question
What makes $r^2$ represent the squared radius in the circle $(x-h)^2+(y-k)^2=r^2$?
Answer:
  • $r^2$ represents the squared radius in the circle equation $(x-h)^2 + (y-k)^2 = r^2$ because it shows the distance squared from the centre.
Question
What makes $r^2$ represent the squared radius in the circle $(x-h)^2+(y-k)^2=r^2$?
Answer:
  • $r^2$ represents the squared radius in the circle equation $(x-h)^2 + (y-k)^2 = r^2$ because it shows the distance squared from the center.

Classifier: The answer content contains the AU spelling "centre", which needs to be localized to the US spelling "center".

Verifier: The answer content contains the AU spelling "centre", which needs to be localized to the US spelling "center".

fEGtu5fe6XKnZQsjspIn Localize Units (simple)
Multiple Choice
What are the correct dimensions of a rectangle with an area of $36$ cm$^2$ and a perimeter of $40$ cm?
Options:
  • $18$ cm $\times$ $2$ cm
  • $9$ cm $\times$ $4$ cm
  • $12$ cm $\times$ $3$ cm
  • $6$ cm $\times$ $6$ cm
Multiple Choice
What are the correct dimensions of a rectangle with an area of $36$ in$^2$ and a perimeter of $40$ in?
Options:
  • $18$ in $\times$ $2$ in
  • $9$ in $\times$ $4$ in
  • $12$ in $\times$ $3$ in
  • $6$ in $\times$ $6$ in

Classifier: The text contains metric units ("cm" and "cm^2") which require conversion to US customary units (e.g., inches).

Verifier: The text contains metric units ("cm" and "cm^2") which require conversion to US customary units. The conversion is a straightforward numeric change for dimensions, fitting simple_conversion.

fV4azUe8igSyK8DyoiEI Localize Answer set
Multiple Choice
Which of the following is a season?
Options:
  • Autumn
  • March
  • August
  • May
Multiple Choice
Which of the following is a season?
Options:
  • Fall
  • March
  • August
  • May

Classifier: The answer set contains "Autumn", which is the standard AU term. In a US context, "Fall" is the preferred/standard term for the season, requiring localization for consistency with US curriculum standards.

Verifier: The answer choice "Autumn" is the standard term in AU, whereas "Fall" is the primary term used in US educational contexts for seasons. This requires localization for consistency.

fbfe5830-6290-4672-987c-a92acf21261a Localize Answer set
Question
How does knowing the area formula for a trapezium help in solving geometry problems?
Answer:
  • It allows us to find the space inside any trapezium, which is useful when trapeziums are part of bigger shapes or real-life problems.
Question
How does knowing the area formula for a trapezoid help in solving geometry problems?
Answer:
  • It allows us to find the space inside any trapezoid, which is useful when trapezoids are part of bigger shapes or real-life problems.

Classifier: The text uses the term "trapezium". In the US, this shape is called a "trapezoid". This is a specific terminology difference in a school geometry context.

Verifier: The term "trapezium" is used, which is the standard term in Australia/UK, whereas "trapezoid" is used in the US. This requires localization in a school geometry context.

gFDnXertBVJgKsLGweqT Localize Spelling (AU-US)
Multiple Choice
True or false: $(x-3)(x^2+3x+9)=0$ is a cubic equation in factorised form.
Options:
  • False
  • True
Multiple Choice
True or false: $(x-3)(x^2+3x+9)=0$ is a cubic equation in factored form.
Options:
  • False
  • True

Classifier: Contains the AU spelling "factorised", which needs to be converted to the US spelling "factorized".

Verifier: The text contains "factorised", which is the AU/UK spelling. US spelling is "factorized".

fv4JKnsZu7WQPZPnFDjH Localize Units (simple)
Question
An object moves in a straight line and its displacement function is given by $s(t)=t^2-t$ m for $0\leq t\leq 12$ s. Find the instantaneous velocity at $t=3$ seconds.
Answer:
  • 5
Question
An object moves in a straight line and its displacement function is given by $s(t)=t^2-t$ ft for $0\leq t\leq 12$ s. Find the instantaneous velocity at $t=3$ seconds.
Answer:
  • 5

Classifier: The question explicitly uses metric units "m" (metres) and "m/s" (metres per second). Per the decision rules, any metric unit requires classification as RED.units_simple_conversion at minimum.

Verifier: The question contains metric units "m" (metres) and "m/s" (metres per second). According to the decision rules, any metric unit requires at least RED.units_simple_conversion.

ff9b3df8-20ff-499f-b1ef-b7ec5fb86691 Localize Spelling (AU-US)
Question
Why must a perpendicular bisector cross a line segment at its midpoint and at a $90^\circ$ angle?
Hint: Visualise the line splitting into halves at a right angle.
Answer:
  • It's defined by two conditions: 'perpendicular' (meets at $90^\circ$) and 'bisector' (divides into two equal parts, passing through the midpoint).
Question
Why must a perpendicular bisector cross a line segment at its midpoint and at a $90^\circ$ angle?
Hint: Visualize the line splitting into halves at a right angle.
Answer:
  • It's defined by two conditions: 'perpendicular' (meets at $90^\circ$) and 'bisector' (divides into two equal parts, passing through the midpoint).

Classifier: The hint contains the AU/UK spelling "Visualise", which requires conversion to the US spelling "Visualize".

Verifier: The hint contains the AU/UK spelling "Visualise", which requires localization to the US spelling "Visualize".

hxdGgjkgHAmwjuxg1JCN Localize Spelling (AU-US)
Multiple Choice
True or false: Activity networks do not have any labelled vertices.
Options:
  • False
  • True
Multiple Choice
True or false: Activity networks do not have any labeled vertices.
Options:
  • False
  • True

Classifier: The word "labelled" contains the AU/UK double-l spelling; the US standard is "labeled".

Verifier: The word "labelled" is the AU/UK spelling; the US standard is "labeled". Per rule 1, AU spelling requires RED classification.

gK9Bb6JpPNPuDsKVg2XQ Localize Units (simple)
Question
A sector-shaped garden has a curved path of $40$ m and a radius of $18$ m. What is its perimeter?
Answer:
  • 76
Question
A sector-shaped garden has a curved path of $40$ ft and a radius of $18$ ft. What is its perimeter?
Answer:
  • 76

Classifier: The text contains the metric unit "m" (metres) in the context of measurement, which requires conversion to US customary units (feet/yards).

Verifier: The text contains the metric unit "m" (metres) in the context of measurement (garden path and radius), which requires conversion to US customary units. The calculation is a simple sum (Perimeter = path + 2*radius), so simple conversion is appropriate.

gx2Ojm7A8yZjnmOhsmdk Localize Units (simple)
Question
Find the area of a circle whose circumference is $44$ cm.
Answer:
  • 154
Question
Find the area of a circle whose circumference is $44$ in.
Answer:
  • 154

Classifier: Contains metric units ("cm" and "cm^2") which require localization for a US audience.

Verifier: The question contains metric units ("cm" and "cm^2") which require conversion for US localization. This is a simple conversion as it involves a single geometric calculation.

h3WcvzLHdfodAcbgLgIm Localize Spelling (AU-US)
Question
Fill in the blank. The angle measured anti-clockwise from the positive $x$-axis to the point $(0,1)$ on the unit circle is $[?]$ degrees.
Answer:
  • 90
Question
Fill in the blank. The angle measured counterclockwise from the positive $x$-axis to the point $(0,1)$ on the unit circle is $[?]$ degrees.
Answer:
  • 90

Classifier: The term "anti-clockwise" is the standard AU/UK spelling and terminology; the US equivalent is "counterclockwise".

Verifier: The term "anti-clockwise" is the standard AU/UK spelling/terminology; the US equivalent is "counterclockwise". Per rule 1, AU spelling/terminology requires RED classification.

gT3zC5dJk403ZrmgQkkD Localize Answer set
Multiple Choice
Which statement is true about a trapezium?
Options:
  • It has one pair of parallel sides
  • All sides are of equal length
  • It has no parallel sides
  • It has two pairs of parallel sides
Multiple Choice
Which statement is true about a trapezoid?
Options:
  • It has one pair of parallel sides
  • All sides are of equal length
  • It has no parallel sides
  • It has two pairs of parallel sides

Classifier: The term "trapezium" in AU/UK refers to a quadrilateral with one pair of parallel sides. In the US, this is called a "trapezoid". This requires a terminology change in both the question and the logic of the answer set.

Verifier: The term "trapezium" (AU/UK) refers to a shape with one pair of parallel sides, which is called a "trapezoid" in the US. This is a significant terminology difference that affects the logic of the question and answer set.

ggYamrprfoBXfgBrFJIH Localize Units (simple)
Question
A circular pizza has a diameter of $30$ cm. There is a circular hole at the centre of the pizza with a diameter of $4$ cm. What is the area of the pizza, excluding the hole?
Answer:
  • 694.29
Question
A circular pizza has a diameter of $30$ in. There is a circular hole at the center of the pizza with a diameter of $4$ in. What is the area of the pizza, excluding the hole?
Answer:
  • 694.29

Classifier: Contains metric units (cm, cm^2) and AU spelling (centre). Units conversion is the higher priority classification.

Verifier: The text contains the metric unit "cm" and the AU spelling "centre". Per rule 5, units conversion is the higher priority classification.

gNhCXJ8fEiBMx3uY7xwg Localize Units (simple)
Multiple Choice
What is the radius of a circle with a circumference of $4$ cm, rounded to one decimal place?
Options:
  • $0.6$ cm
  • $0.2$ cm
  • $1.3$ cm
  • $4.0$ cm
Multiple Choice
What is the radius of a circle with a circumference of $4$ in, rounded to one decimal place?
Options:
  • $0.6$ in
  • $0.2$ in
  • $1.3$ in
  • $4.0$ in

Classifier: The text contains the metric unit "cm" (centimetres), which requires conversion to US customary units (e.g., inches) or a change in pedagogy for a US audience.

Verifier: The text contains the metric unit "cm" (centimetres) in both the question and the answers, which requires conversion for US localization.

hK61rDKUGeN0VIO8kFEU Localize Units (simple)
Multiple Choice
Choose the correct metric unit with its corresponding measure.
Options:
  • Weight : pound
  • Length : miles
  • Length : yards
  • Weight : grams
Multiple Choice
Choose the correct US customary unit with its corresponding measure.
Options:
  • Weight : pound
  • Length : miles
  • Length : yards
  • Weight : ounces

Classifier: The text explicitly mentions "metric unit" and "grams". While it also mentions US customary units (miles, yards, pound), the presence of "grams" and the pedagogical focus on identifying metric units requires localization review for US standards.

Verifier: The question explicitly uses the term "metric unit" and includes "grams" as an answer choice. While it also lists US customary units, the pedagogical focus on identifying metric units requires localization review for US standards.

gmRr9ulNURXZDtniezqI Localize Spelling (AU-US)
Multiple Choice
Fill in the blank: The prime factorisation of $12$ is $[?]$.
Options:
  • $2^3\times 4$
  • $2\times2\times 3$
  • $2+2+2+2+2+2$
  • $2\times 6$
Multiple Choice
Fill in the blank: The prime factorization of $12$ is $[?]$.
Options:
  • $2^3\times 4$
  • $2\times2\times 3$
  • $2+2+2+2+2+2$
  • $2\times 6$

Classifier: Contains the AU spelling "factorisation", which requires conversion to the US spelling "factorization".

Verifier: Contains the AU spelling "factorisation", which requires conversion to the US spelling "factorization".

i2pk7uC7PQMi6Waj1QHP Localize Units (complex)
Question
A particle has velocity function $v(t)=6t^2+4t+1$ cm/s for time $t\geq 0$. Find the change in position of the particle from $t=4$ to $t=8$ seconds.
Answer:
  • 9.96
Question
A particle has velocity function $v(t)=6t^2+4t+1$ in/s for time $t\geq 0$. Find the change in position of the particle from $t=4$ to $t=8$ seconds.
Answer:
  • 9.96

Classifier: Contains metric units "cm/s" in the question and "m" in the suffix field. This requires conversion to US customary units.

Verifier: The question defines a velocity function v(t) in metric units (cm/s) and asks for a change in position (integration). Per rule 4, equations defining quantities in metric require RED.units_complex_converted classification. Additionally, there is a unit mismatch in the source (cm/s vs m) which further necessitates complex review.

grfkxpc2oNHt1Qcn24SH Localize Spelling (AU-US)
Multiple Choice
Which of the following correctly splits the middle term in $2x^2 - 5x -3$ so it can be factorised by grouping?
Options:
  • $2x^2-3x-2x-3$
  • $2x^2-4x-x-3$
  • $2x^2+2x+3x-3$
  • $2x^2+x-6x-3$
Multiple Choice
Which of the following correctly splits the middle term in $2x^2 - 5x -3$ so it can be factored by grouping?
Options:
  • $2x^2-3x-2x-3$
  • $2x^2-4x-x-3$
  • $2x^2+2x+3x-3$
  • $2x^2+x-6x-3$

Classifier: Contains the AU spelling "factorised", which needs to be converted to the US spelling "factorized".

Verifier: The text contains the AU spelling "factorised", which requires localization to the US spelling "factorized".

gPEo1ww70EW5eHswUqiS Localize Units (simple)
Question
Location coordinates are given as: Point $X$ $=42^\circ{N},170^\circ{E}$ Point $Y$ $=60^\circ{N},170^\circ{E}$ What is the shortest distance between the two points, where the radius of the Earth is $6400$ km?
Answer:
  • 2010.619
Question
Location coordinates are given as: Point $X$ $=42^\circ{N},170^\circ{E}$ Point $Y$ $=60^\circ{N},170^\circ{E}$ What is the shortest distance between the two points, where the radius of the Earth is $6400$ miles?
Answer:
  • 2010.619

Classifier: The text uses "km" (kilometres) for the radius of the Earth and the resulting distance, which is a metric unit requiring conversion for US localization.

Verifier: The question uses "km" (kilometres) for the radius of the Earth and the distance, which is a metric unit requiring conversion.

hqgS58xZ5NEXyM0xPGEq Localize Units (simple)
Multiple Choice
What are the correct dimensions of a rectangle that has an area of $36$ cm$^2$ and a perimeter of $26$ cm?
Options:
  • $18$ cm $\times$ $2$ cm
  • $6$ cm $\times$ $6$ cm
  • $4$ cm $\times$ $9$ cm
  • $12$ cm $\times$ $3$ cm
Multiple Choice
What are the correct dimensions of a rectangle that has an area of $36$ in$^2$ and a perimeter of $26$ in?
Options:
  • $18$ in $\times$ $2$ in
  • $6$ in $\times$ $6$ in
  • $4$ in $\times$ $9$ in
  • $12$ in $\times$ $3$ in

Classifier: The text contains metric units (cm and cm^2) which require conversion to US customary units (e.g., inches) for US localization.

Verifier: The question and answers contain metric units (cm and cm^2) which require conversion for US localization.

ghgkvlKn4lODiXUhEKXc Localize Units (complex)
Multiple Choice
An object starts from point $O$ and moves with velocity $v(t)=5t^2+4$ m/s. Find the position of the object with respect to point $O$ at $t=1$ s.
Hint: Find the instantaneous velocity at $t=6$ s and use its sign to find its position.
Options:
  • Can't be determined
  • At rest
  • Going backward
  • Moving forward
Multiple Choice
An object starts from point $O$ and moves with velocity $v(t)=5t^2+4$ ft/s. Find the position of the object with respect to point $O$ at $t=1$ s.
Hint: Find the instantaneous velocity at $t=6$ s and use its sign to find its position.
Options:
  • Can't be determined
  • At rest
  • Going backward
  • Moving forward

Classifier: Contains metric units (m/s). Any metric unit requires at least simple conversion category.

Verifier: The question contains a velocity function defined in metric units: v(t)=5t^2+4 m/s. According to rule 4, equations defining quantities in metric require RED.units_complex_converted rather than simple conversion.

hRlTtN0kwjxfZsBJyGLt Localize Spelling (AU-US)
Multiple Choice
Which among the following semicircles does not have its centre at $(-5,3)$ and a radius of $5$ units?
Options:
  • $y=\sqrt{25-(x+5)^{2}}+3$
  • $x=-\sqrt{25-(y-3)^{2}}-5$
  • $y=-\sqrt{25-(x+5)^{2}}+3$
  • $y=\sqrt{9-(x+5)^{2}}+25$
Multiple Choice
Which of the following semicircles does not have its center at $(-5,3)$ and a radius of $5$ units?
Options:
  • $y=\sqrt{25-(x+5)^{2}}+3$
  • $x=-\sqrt{25-(y-3)^{2}}-5$
  • $y=-\sqrt{25-(x+5)^{2}}+3$
  • $y=\sqrt{9-(x+5)^{2}}+25$

Classifier: Contains the AU spelling "centre", which needs to be localized to "center" for a US audience.

Verifier: The text contains the AU spelling "centre", which requires localization to "center" for the US locale.

h4O362IR6OnLddmGvSHG Localize Units (simple)
Multiple Choice
A rectangle is $4$ cm wide and $3x - 2$ cm long. The area of the rectangle must be $18$ cm$^2$ or less. What are the possible values of $x$ in cm, for $x > 1$?
Options:
  • $x \ge \frac{13}{6}$
  • $x \le \frac{13}{6}$
  • $x \ge 2$
  • $x<2$
Multiple Choice
A rectangle is $4$ in wide and $3x - 2$ in long. The area of the rectangle must be $18$ in$^2$ or less. What are the possible values of $x$ in in, for $x > 1$?
Options:
  • $x \ge \frac{13}{6}$
  • $x \le \frac{13}{6}$
  • $x \ge 2$
  • $x<2$

Classifier: The question uses metric units ("cm" and "cm^2") which require localization to US customary units (e.g., inches).

Verifier: The question uses metric units ("cm" and "cm^2") which require localization to US customary units. It is a simple conversion as it involves a basic rectangle area calculation.

heyZnueOxdwB73wulapT Localize Spelling (AU-US)
Multiple Choice
Fill in the blank: $100x^2y-50y^2x+10xy$ in fully factorised form is given by $[?]$.
Options:
  • $10xy(10x-5y+1)$
  • $10x^2(10y-5y+y)$
  • $10x(10y-5x+1)$
  • $10xy(10x+5+y)$
Multiple Choice
Fill in the blank: $100x^2y-50y^2x+10xy$ in fully factored form is given by $[?]$.
Options:
  • $10xy(10x-5y+1)$
  • $10x^2(10y-5y+y)$
  • $10x(10y-5x+1)$
  • $10xy(10x+5+y)$

Classifier: Contains the AU spelling "factorised", which needs to be converted to the US spelling "factorized".

Verifier: Contains the AU spelling "factorised", which requires localization to "factorized".

goi0xwcKRzaz8kTJAew9 Localize Units (simple)
Question
A city had $1050$ mm of rainfall in $2020$. Due to climate change, rainfall in $2030$ is expected to increase by $456$ mm. What is the total expected rainfall in $2030$?
Answer:
  • 1506
Question
A city had $1050$ in of rainfall in $2020$. Due to climate change, rainfall in $2030$ is expected to increase by $456$ in. What is the total expected rainfall in $2030$?
Answer:
  • 1506

Classifier: The text contains the metric unit "mm" (millimetres) for rainfall, which requires localization for a US audience.

Verifier: The text contains the metric unit "mm" (millimetres), which requires localization for a US audience.

i2QUB4EkBZvFNVgjFdYx Localize Units (complex)
Multiple Choice
An object moves with the velocity function $v(t)=7t^4+5t^3$ cm s$^{-1}$, $t\geq0$. Find the acceleration function for this object.
Options:
  • $a(t)=28t^3+15t^2$ cm s$^{-2}$
  • $a(t)=7t^3+5t^2$ cm s$^{-2}$
  • $a(t)=7t^3+15t^2$ m s$^{-2}$
  • $a(t)=28t^3+15t^2$ m s$^{-2}$
Multiple Choice
An object moves with the velocity function $v(t)=7t^4+5t^3$ in s$^{-1}$, $t\geq0$. Find the acceleration function for this object.
Options:
  • $a(t)=28t^3+15t^2$ in s$^{-2}$
  • $a(t)=7t^3+5t^2$ in s$^{-2}$
  • $a(t)=7t^3+15t^2$ ft s$^{-2}$
  • $a(t)=28t^3+15t^2$ ft s$^{-2}$

Classifier: Contains metric units "cm" and "m" in the context of velocity and acceleration functions.

Verifier: The question involves a velocity function v(t) defined in metric units (cm s^-1). According to rule 4, equations defining quantities in metric or requiring the derivation of related functions (acceleration from velocity) in metric should be classified as RED.units_complex_converted to ensure human review of the mathematical consistency after unit conversion.

gbDTGY9y4pE9KDY9NFYv Localize Terminology
Question
Write the equation $24x - 15y = 8$ in gradient-intercept form. Simplify where possible.
Options:
  • ((1.6\cdot{x})-(\frac{8}{15}))
  • \frac{8{x}}{5}-\frac{8}{15}
  • -\frac{8}{15}+\frac{8}{5}{x}
  • \frac{8}{5}{x}-\frac{8}{15}
  • -\frac{8}{15}+8\frac{{x}}{5}
  • 8\frac{{x}}{5}-\frac{8}{15}
Question
Write the equation $24x - 15y = 8$ in slope-intercept form. Simplify where possible.
Options:
  • ((1.6\cdot{x})-(\frac{8}{15}))
  • \frac{8{x}}{5}-\frac{8}{15}
  • -\frac{8}{15}+\frac{8}{5}{x}
  • \frac{8}{5}{x}-\frac{8}{15}
  • -\frac{8}{15}+8\frac{{x}}{5}
  • 8\frac{{x}}{5}-\frac{8}{15}

Classifier: The term "gradient-intercept form" is the standard AU term for what is called "slope-intercept form" in the US.

Verifier: The term "gradient-intercept form" is the specific Australian curriculum terminology for what is known as "slope-intercept form" in the US.

iQngfsrQIsrSjhmR0DvU Localize Spelling (AU-US)
Multiple Choice
Write the number $8546$ in words.
Options:
  • Eight thousand five hundred and forty-six
  • Eight hundred five and forty-six
Multiple Choice
Write the number $8546$ in words.
Options:
  • Eight thousand five hundred forty-six
  • Eight hundred five forty-six

Classifier: The answer choice "Eight thousand five hundred and forty-six" uses the "and" conjunction after "hundred", which is standard in AU/UK English but typically omitted in US English number-to-word conversion (e.g., "Eight thousand five hundred forty-six"). While often considered a stylistic preference, in a school context, this is a specific dialectal difference in how numbers are written out.

Verifier: The answer choice "Eight thousand five hundred and forty-six" includes the conjunction "and" after "hundred", which is a specific convention in AU/UK English for writing numbers in words, whereas US English typically omits it. This constitutes a dialectal spelling/formatting difference.

iED0J9qo03IJIYinLFOT Localize Terminology
Question
At a birthday party, there were $63$ fizzers, $52$ sour straps and $71$ snake lollies. How many lollies were there in total?
Answer:
  • 186
Question
At a birthday party, there were $63$ pieces of taffy, $52$ sour strips and $71$ gummy snakes. How many pieces of candy were there in total?
Answer:
  • 186

Classifier: The term "lollies" is highly specific to Australian/British English for candy. Additionally, "fizzers" and "sour straps" are specific types of confectionery common in AU but not standard in US math problems.

Verifier: The term "lollies" is a distinct Australian/British term for candy/sweets. "Fizzers", "sour straps", and "snake lollies" are also specific confectionery items common in the AU school/social context.

iOqIkjvWv0MjasGqIuy4 Localize Terminology
Multiple Choice
True or false: The cubic equation $(x-1)^3+9=0$ is written in point of inflection form.
Options:
  • False
  • True
Multiple Choice
True or false: The cubic equation $(x-1)^3+9=0$ is written in inflection point form.
Options:
  • False
  • True

Classifier: The term "point of inflection form" for a cubic equation is specific to the Australian curriculum (referring to $y = a(x-h)^3 + k$). In the US, this is typically referred to as "vertex form" or "standard form" of a transformed cubic, or simply described by its transformations.

Verifier: The phrase "point of inflection form" is a specific pedagogical term used in the Australian curriculum for cubic functions. In the US, this is typically referred to as "vertex form" or described via transformations.

iSk9YFdplf7VamyIRNgx Localize Units (simple)
Question
The radioactive material Thorium decays at a rate of $5\%$ per minute. How much of $20$ grams of Thorium would remain after $5$ minutes?
Answer:
  • 15.5
Question
The radioactive material Thorium decays at a rate of $5\%$ per minute. How much of $20$ ounces of Thorium would remain after $5$ minutes?
Answer:
  • 15.5

Classifier: The text contains the metric unit "grams". According to the decision rules, any metric unit found anywhere in the text requires classification into a units category.

Verifier: The text contains the metric unit "grams". Per the decision rules, any metric unit requires a RED classification. Since it is a single value used in a simple decay formula, simple_conversion is appropriate.

iY6j4FtKe3PZR4FQeBHl Localize Terminology
Multiple Choice
True or false: The turning point form of $y=5x^2-10x+13$ is given by $y=5(x-1)^2-18$.
Options:
  • False
  • True
Multiple Choice
True or false: The vertex form of $y=5x^2-10x+13$ is given by $y=5(x-1)^2-18$.
Options:
  • False
  • True

Classifier: The term "turning point form" is standard in AU/UK curricula, whereas the US equivalent is "vertex form".

Verifier: The term "turning point form" is the standard Australian/UK term for what is known as "vertex form" in the US. This requires localization for terminology.

ioT3v5PNvJgGtYEM3LTd Localize Units (simple)
Question
Express $15$ g in kilograms.
Answer:
  • 0.015
Question
Express $15$ oz in pounds.
Answer:
  • 0.938

Classifier: The question explicitly asks for a conversion between metric units (grams to kilograms). Per the decision rules, any metric unit requires classification into a RED.units category.

Verifier: The question involves metric units ("g", "kilograms", "kg"). Per rule 3, any metric unit requires at least RED.units_simple_conversion. Since it is a straightforward numeric conversion, simple_conversion is correct.

iakYDSQHM7rsG2mepvuz Review Uncertain
Question
Kate takes a holiday loan of $\$3500$ which has to be paid back in fortnightly installments for 3 years. Calculate the flat interest rate to be paid per annum if she pays a total interest of $\$1575$.
Answer:
  • 15
Question
Kate takes a vacation loan of $\$3500$ which has to be paid back in biweekly installments for 3 years. Calculate the flat interest rate to be paid per year if she pays a total interest of $\$1575$.
Answer:
  • 15

Classifier: The term "fortnightly" is very common in AU but rare in US educational contexts (where "every two weeks" or "bi-weekly" is preferred). Additionally, "flat interest rate" is a specific financial term that may require pedagogical alignment, though the math is universal.

Verifier: The term "fortnightly" is highly characteristic of AU/UK English and is rarely used in US educational contexts, where "every two weeks" is preferred. "Flat interest rate" is also a specific term that may vary in pedagogical usage.

iy32HskmTn8HwJhkDv2E Localize Spelling (AU-US)
Question
What is $x(x-1)-1(x-1)$ in factorised form?
Options:
  • ({x}-1)({x}-1)
  • ({x}-1)^{2}
Question
What is $x(x-1)-1(x-1)$ in factored form?
Options:
  • ({x}-1)({x}-1)
  • ({x}-1)^{2}

Classifier: Contains the AU spelling "factorised", which needs to be converted to the US spelling "factorized".

Verifier: The text contains "factorised", which is the AU/UK spelling. US spelling is "factorized".

ih6g0NtAtL6Nqq37E4Xd Localize Units (simple)
Question
An object moves in a straight line and its velocity after $t$ seconds is given by $v(t)=t^2+t$ m/s for $0\leq t\leq 12$ s. Find the average acceleration for the first four seconds.
Answer:
  • 5
Question
An object moves in a straight line and its velocity after $t$ seconds is given by $v(t)=t^2+t$ ft/s for $0\leq t\leq 12$ s. Find the average acceleration for the first four seconds.
Answer:
  • 5

Classifier: The text contains multiple metric units (m/s, s, m/s^2) which require conversion for US localization.

Verifier: The question contains metric units (m/s, s, m/s^2) which require conversion for US localization. Although it contains a function v(t), the conversion is a simple numeric change to the coefficients/result rather than a complex re-derivation of a physical constant like gravity.

iyCJzk7VbWRqbTVsD7j4 Localize Units (simple)
Question
$4$ equal wires are joined to make a new wire of length $44$ cm. What is the length of each smaller wire?
Answer:
  • 11
Question
$4$ equal wires are joined to make a new wire of length $44$ in. What is the length of each smaller wire?
Answer:
  • 11

Classifier: The text contains the metric unit "cm" (centimetres) in both the content and the suffix, which requires conversion to US customary units.

Verifier: The question contains the metric unit "cm" (centimetres) in the content and suffix, requiring conversion to US customary units.

j8AUkymHXdXDw9sljw4M Localize Units (simple)
Question
A wheel of radius $35$ cm is rolled. How far will it move after $10$ rotations?
Answer:
  • 2199.11
Question
A wheel of radius $35$ in is rolled. How far will it move after $10$ rotations?
Answer:
  • 2199.11

Classifier: The question contains the metric unit 'cm' (centimetres), which requires conversion for US localization.

Verifier: The question contains the metric unit 'cm' (centimetres) in both the content and the suffix, which requires conversion for US localization. It is a simple conversion as it involves a single unit-bearing value and a straightforward calculation.

jYj7RiA0CskRQn2VzSWo Localize Spelling (AU-US)
Question
Factorise $5x+15$
Answer:
  • 5({x}+3)
Question
Factor $5x+15$
Answer:
  • 5({x}+3)

Classifier: The word "Factorise" uses the AU/UK 's' spelling. In the US, "Factorize" is used (though often just "Factor" is preferred in this context, the spelling change is the primary trigger).

Verifier: The word "Factorise" uses the AU/UK 's' spelling, which requires localization to "Factor" or "Factorize" for the US locale.

iwUGORdgXKojB2JDjbxP Localize Units (simple)
Question
I travel at an average speed of $60$ km/h for $2.5$ hours. What is my total distance travelled?
Answer:
  • 150
Question
I travel at an average speed of $60$ mph for $2.5$ hours. What is my total distance traveled?
Answer:
  • 150

Classifier: Contains metric units "km/h" and "km" which require conversion to US customary units (mph and miles) and also contains the AU spelling "travelled" (US: traveled). Per decision rules, units conversion takes precedence.

Verifier: The question contains metric units "km/h" and "km" which require conversion to US customary units. It also contains the AU spelling "travelled". Units conversion is the most impactful change.

jSLowtmMhDYknqokmM0S Localize Terminology
Multiple Choice
If $f(x)=x(x-a)^2$, then $x=-a$ is a turning point.
Options:
  • False
  • True
Multiple Choice
If $f(x)=x(x-a)^2$, then $x=-a$ is a vertex.
Options:
  • False
  • True

Classifier: The term "turning point" is used, which is standard AU/UK terminology for what is typically called a "vertex" or "critical point" in US school mathematics.

Verifier: The term "turning point" is used, which is standard AU/UK terminology for what is typically called a "vertex" or "critical point" in US school mathematics.

j0QiI09coGfhZPErNq2d Localize Spelling (AU-US)
Question
Factorise $x^3 + 9 x^2 + 27 x + 27$. Express your answer in the form $(x\pm a)(x\pm b)(x\pm c)$.
Options:
  • ({x}+3)({x}+3)({x}+3)
  • ({x}+3)^{3}
Question
Factor $x^3 + 9 x^2 + 27 x + 27$. Express your answer in the form $(x\pm a)(x\pm b)(x\pm c)$.
Options:
  • ({x}+3)({x}+3)({x}+3)
  • ({x}+3)^{3}

Classifier: The text uses the AU/UK spelling "Factorise", which needs to be converted to the US spelling "Factorize".

Verifier: The text contains "Factorise", which is the AU/UK spelling. Rule 1 states AU spelling ALWAYS requires RED classification.

jFz03fxClHctdd03PqIf Localize Units (simple)
Question
Annabella is making a rectangular storage room in her attic. The storage room has a length of $10$ m, a width of $9$ m, and a height of $8$ m. What is the volume of the storage room?
Answer:
  • 720
Question
Annabella is making a rectangular storage room in her attic. The storage room has a length of $10$ ft, a width of $9$ ft, and a height of $8$ ft. What is the volume of the storage room?
Answer:
  • 720

Classifier: The text contains multiple instances of metric units ("m" for meters and "m$^3$" for cubic meters) which require conversion for US localization.

Verifier: The question contains metric units (m, m^3) which require conversion for US localization. The conversion is a simple volume calculation.

jKaBT3AUeRW6cVL1jJMx Localize Spelling (AU-US)
Multiple Choice
Write $41002$ in words.
Options:
  • Forty thousand one thousand and two
  • Forty-one thousand zero hundred and two
  • Forty-one thousand and two
  • Forty thousand and two
Multiple Choice
Write $41002$ in words.
Options:
  • Forty thousand one thousand two
  • Forty-one thousand zero hundred two
  • Forty-one thousand two
  • Forty thousand two

Classifier: The use of "and" in the word form of numbers (e.g., "thousand and two") is standard in AU/UK English but typically omitted in US English pedagogy for whole numbers. While often considered a style choice, in a school context, US students are taught not to use "and" except for the decimal point.

Verifier: The use of "and" in whole number word forms (e.g., "thousand and two") is a specific convention taught in AU/UK schools that differs from US pedagogy (where "and" is reserved for decimals). This constitutes a spelling/convention change for the target locale.

jnRoXq5liHZEy9UJSef9 Localize Cultural refs
Question
How many $10$ cents coins are there in $\$3.20$ ?
Answer:
  • 32
Question
How many dimes are there in $\$3.20$ ?
Answer:
  • 32

Classifier: The question uses "10 cents coins". While the dollar sign is shared, the phrasing and specific denomination context often refers to the Australian 10-cent piece. In a US context, this would typically be referred to as a "dime". However, since it is a currency context and not a metric unit, RED.cultural_reference is the most appropriate fit.

Verifier: The phrasing "10 cents coins" refers to a specific denomination context (AU 10-cent piece) which differs from the US "dime".

jiakDWyKF7ow7mzmrafN Localize Terminology
Multiple Choice
Which of the following is the equation of a quartic with turning point $(0,1)$?
Options:
  • $y=(x+1)^{4}$
  • $y=x^{4}+1$
  • $y=x^{2}+1$
  • $y=5(x-1)^4$
Multiple Choice
Which of the following is the equation of a quartic with vertex $(0,1)$?
Options:
  • $y=(x+1)^{4}$
  • $y=x^{4}+1$
  • $y=x^{2}+1$
  • $y=5(x-1)^4$

Classifier: The term "turning point" is standard AU terminology for what is referred to as a "vertex" in US mathematics curriculum.

Verifier: The term "turning point" is the standard AU term for what is called a "vertex" in the US curriculum. This requires localization for terminology.

jo9ErLkHqJeVvQBdRep0 Localize Spelling (AU-US)
Multiple Choice
True or false: The expression $x^{2}+2x-24$ can be factorised by completing the square.
Options:
  • False
  • True
Multiple Choice
True or false: The expression $x^{2}+2x-24$ can be factored by completing the square.
Options:
  • False
  • True

Classifier: The text contains the AU spelling "factorised", which requires conversion to the US spelling "factorized".

Verifier: The text contains "factorised", which is the AU/UK spelling. US spelling is "factorized".

jmUTB4ICp2BambtbD5kJ Localize Units (simple)
Question
A solid is formed by removing a $90^\circ$ section from a cylinder with a $5$ m radius and a $2$ m height. What is the volume of the solid, correct to one decimal place?
Answer:
  • 117.8
Question
A solid is formed by removing a $90^\circ$ section from a cylinder with a $5$ ft radius and a $2$ ft height. What is the volume of the solid, correct to one decimal place?
Answer:
  • 117.8

Classifier: The question contains metric units ("m" for meters and "m^3" for cubic meters) which require conversion to US customary units.

Verifier: The question contains metric units ("m" and "m^3") which require conversion to US customary units.

kTxUxUwlLKnxfVMc0zUi Localize Units (simple)
Question
A $6$ m ladder leans against a wall and makes an angle of $60^\circ$ with the ground. Calculate the distance between the foot of the ladder and the wall.
Answer:
  • 3
Question
A $6$ ft ladder leans against a wall and makes an angle of $60^\circ$ with the ground. Calculate the distance between the foot of the ladder and the wall.
Answer:
  • 3

Classifier: The text contains the metric unit "m" (metres) in the context of a measurement ("6 m ladder"), which requires conversion for US localization.

Verifier: The question uses "m" (metres) as a unit of measurement for the ladder length and distance, which requires conversion for US localization.

kYghW5qSG0Nv0CUQIb8s Localize Spelling (AU-US)
Question
Given the number $111$, find the number of distinct prime factors it has using its prime factorisation.
Answer:
  • 2
Question
Given the number $111$, find the number of distinct prime factors it has using its prime factorization.
Answer:
  • 2

Classifier: Contains the AU spelling "factorisation", which needs to be converted to the US spelling "factorization".

Verifier: Contains "factorisation", which is the AU/UK spelling. US spelling is "factorization".

jrNn5L5sK9ctQaPdkVZj Localize Units (simple)
Question
A box has a length of $12$ m and a breadth that is $5$ m less than its height. What is the volume $V$ of the box?
Options:
  • 12({x}-5){x}
  • 12{x}({x}-5)
  • -60{x}+12{x}^{2}
  • 12{x}^{2}-60{x}
Question
A box has a length of $12$ ft and a width that is $5$ ft less than its height. What is the volume $V$ of the box?
Options:
  • 12({x}-5){x}
  • 12{x}({x}-5)
  • -60{x}+12{x}^{2}
  • 12{x}^{2}-60{x}

Classifier: The question contains metric units ("m" for metres and "m^3" for cubic metres) and the term "breadth" (often "width" in US, though breadth is used). Per rule 1, any metric unit prevents a GREEN classification.

Verifier: The question uses metric units ("m" and "m^3"), which requires RED classification. The conversion is simple as it involves algebraic expressions rather than complex re-derivation of coefficients.

kjjJYELwFhEi4ViHsJoh Localize Spelling (AU-US)
Question
Sarah has $6$ pairs of earrings and $5$ watches. If she wears both a pair of earrings and a watch, how many jewellery combinations can she wear?
Answer:
  • 30
Question
Sarah has $6$ pairs of earrings and $5$ watches. If she wears both a pair of earrings and a watch, how many jewelry combinations can she wear?
Answer:
  • 30

Classifier: Contains the AU spelling "jewellery", which must be localized to the US spelling "jewelry".

Verifier: The word "jewellery" is the AU/British spelling and must be localized to "jewelry" for the US.

lNZL2CZiiZ7Gbd8t4rYV Localize Units (simple)
Question
$5$ identical squares are to be made from a $60$ cm string. What is the length of each side of the square?
Answer:
  • 3
Question
$5$ identical squares are to be made from a $60$ in string. What is the length of each side of the square?
Answer:
  • 3

Classifier: The text contains the metric unit "cm" (centimetres) in both the content and the suffix field, which requires conversion for US localization.

Verifier: The question contains the metric unit "cm" (centimetres) in both the content and the suffix, requiring simple conversion for US localization.

mHcABKUAfKMfwASmlVNY Localize Units (simple)
Question
Convert $3.9$ kg into grams.
Answer:
  • 3900
Question
Convert $3.9$ lb into ounces.
Answer:
  • 62

Classifier: Contains metric units "kg" and "grams" which require conversion or localization for a US audience.

Verifier: Contains metric units "kg" and "grams" (and "g" in suffix) which require conversion for US localization.

mJi8m2CQXiXsbRhA6Mjk Localize Units (simple)
Question
Find the smallest distance between the centre of the circle of radius $12$ cm and a chord of length $18$ cm.
Answer:
  • 8
Question
Find the smallest distance between the center of the circle of radius $12$ in and a chord of length $18$ in.
Answer:
  • 8

Classifier: Contains both AU spelling ("centre") and metric units ("cm"). Units conversion takes precedence over spelling.

Verifier: Contains both AU spelling ("centre") and metric units ("cm"). Per rule 5, units conversion takes precedence.

kcMl4c6nVDOcBhIzkXCy Localize Units (simple)
Question
An island on a map is shaped like a sector of a circle with a radius of $1$ cm and a central angle of $60^\circ$. What is the area of the island on the map?
Answer:
  • 0.5
Question
An island on a map is shaped like a sector of a circle with a radius of $1$ in and a central angle of $60^\circ$. What is the area of the island on the map?
Answer:
  • 0.5

Classifier: The text contains metric units ("cm" and "cm^2") which require localization to US customary units or a decision on metric usage in US curriculum. Per rules, any metric unit triggers a RED category.

Verifier: The question contains metric units ("cm" and "cm^2"), which requires RED classification per the decision rules.

lK3WOLvYKeksHr2IfRj8 Localize Terminology
Question
Find the gradient of the line segment joining the points $(2,5)$ and $(-3,6)$. Express the answer as a fraction in its simplest form.
Options:
  • \frac{1}{-5}
  • \frac{-1}{5}
Question
Find the slope of the line segment joining the points $(2,5)$ and $(-3,6)$. Express the answer as a fraction in its simplest form.
Options:
  • \frac{1}{-5}
  • \frac{-1}{5}

Classifier: In Australian mathematics, "gradient" is the standard term for the steepness of a line, whereas the US curriculum almost exclusively uses "slope" in this context.

Verifier: The term "gradient" is the standard AU term for the steepness of a line, whereas "slope" is used in the US.

mYgxUpJR3rGK14nGUcsU Localize Terminology
Multiple Choice
Fill in the blank: The highest or lowest point on the graph of a parabola is called the $[?]$.
Options:
  • Centre
  • Focus
  • Turning point
  • Eccentricity
Multiple Choice
Fill in the blank: The highest or lowest point on the graph of a parabola is called the $[?]$.
Options:
  • Center
  • Focus
  • Vertex
  • Eccentricity

Classifier: The text uses "Turning point" as a primary answer choice for the vertex of a parabola, which is a specific AU/UK school term. Additionally, the answer choice "Centre" uses AU spelling. Terminology takes precedence over spelling.

Verifier: Contains AU spelling "Centre" and the specific AU/UK school term "Turning point" for the vertex of a parabola.

lR3KBHQC6cV5vz2qh4JI Localize Units (simple)
Question
Two cuboids of lengths and widths $5$ cm each are placed over one another. If the height of each cuboid is $2.5$ cm, what is the total surface area of the resulting shape?
Answer:
  • 150
Question
Two rectangular prisms of lengths and widths $5$ in each are placed over one another. If the height of each rectangular prism is $2.5$ in, what is the total surface area of the resulting shape?
Answer:
  • 150

Classifier: Contains metric units ("cm" and "cm^2") which require conversion to US customary units.

Verifier: The question uses metric units ("cm" and "cm^2") which require conversion for a US audience. The conversion is simple as it involves basic geometric dimensions and a single numeric answer.

lQMSGe2LttoYESAhRN9E Localize Spelling (AU-US)
Question
In a neighbourhood of $40$ households, $13$ own only a cat and $7$ own both a cat and a dog. If $10$ households own neither a cat nor a dog, how many own only a dog?
Answer:
  • 10
Question
In a neighborhood of $40$ households, $13$ own only a cat and $7$ own both a cat and a dog. If $10$ households own neither a cat nor a dog, how many own only a dog?
Answer:
  • 10

Classifier: Contains the AU spelling "neighbourhood", which needs to be converted to the US spelling "neighborhood".

Verifier: The text contains the AU spelling "neighbourhood", which requires localization to the US spelling "neighborhood".

l73yN60t4EV6StZpB0pE Localize Spelling (AU-US)
Question
Susan has an $18\%$ stake in an organisation that earned a profit of $\$75620$ in a year. How much of the organisation's profit is Susan entitled to? Give your answer to the nearest dollar.
Answer:
  • 13612
Question
Susan has an $18\%$ stake in an organization that earned a profit of $\$75620$ in a year. How much of the organization's profit is Susan entitled to? Give your answer to the nearest dollar.
Answer:
  • 13612

Classifier: The text contains the AU spelling "organisation" which needs to be converted to the US spelling "organization". While it contains a dollar sign, the currency symbol is shared and no specific AU cultural reference or metric unit is present to trigger a higher category.

Verifier: The text contains "organisation" and "organisation's", which are AU/UK spellings requiring localization to "organization" and "organization's" for the US.

ksGmGhoNFY7j7thsmoOu Localize Units (simple)
Multiple Choice
What are the correct dimensions of a rectangle where the numerical value of its perimeter equals twice its area?
Options:
  • $6$ cm $\times$ $3$ cm
  • $5$ cm $\times$ $4$ cm
  • $2$ cm $\times$ $2$ cm
  • $4$ cm $\times$ $2$ cm
Multiple Choice
What are the correct dimensions of a rectangle where the numerical value of its perimeter equals twice its area?
Options:
  • $6$ in $\times$ $3$ in
  • $5$ in $\times$ $4$ in
  • $2$ in $\times$ $2$ in
  • $4$ in $\times$ $2$ in

Classifier: The answer choices contain the metric unit "cm" (centimetres), which requires localization to US customary units or generic units.

Verifier: The answer choices contain the metric unit "cm" (centimetres), which requires localization.

mNR6WmDFUx0NwQx12gd5 Localize Spelling (AU-US)
Multiple Choice
Which of the following correctly shows the factorised form of $4a^{2}+ab+4a+b$ ?
Options:
  • $4(a+b)b$
  • $(2b+2)(2a+b)$
  • $(4a+b)(a+1)$
  • $(4b+a)(a-1)$
Multiple Choice
Which of the following correctly shows the factored form of $4a^{2}+ab+4a+b$ ?
Options:
  • $4(a+b)b$
  • $(2b+2)(2a+b)$
  • $(4a+b)(a+1)$
  • $(4b+a)(a-1)$

Classifier: Contains the AU spelling "factorised", which needs to be converted to the US spelling "factorized".

Verifier: The text contains "factorised", which is the AU/British spelling. It must be localized to "factorized" for the US market.

lCDsdvfsGDxIS9N8xAQb Localize Terminology
Question
Find the highest common factor of the following algebraic terms. $12x^2y^3,\space{6x^3y}$ and $21x^2y^4$
Options:
  • 3{y}{x}^{2}
  • 3{x}^{2}{y}
Question
Find the greatest common factor of the following algebraic terms. $12x^2y^3,\space{6x^3y}$ and $21x^2y^4$
Options:
  • 3{y}{x}^{2}
  • 3{x}^{2}{y}

Classifier: The term "highest common factor" (HCF) is standard in AU/UK, whereas the US equivalent is typically "greatest common factor" (GCF).

Verifier: The term "highest common factor" (HCF) is the standard AU/UK term, whereas the US uses "greatest common factor" (GCF).

lHKDeGuKIBFKUrNHlzSN Localize Terminology
Multiple Choice
Express $\frac{8}{33}$ as a recurring decimal.
Options:
  • $0.24$
  • $0.2\overline{4}$
  • $0.2424$
  • $0.\overline{24}$
Multiple Choice
Express $\frac{8}{33}$ as a repeating decimal.
Options:
  • $0.24$
  • $0.2\overline{4}$
  • $0.2424$
  • $0.\overline{24}$

Classifier: The term "recurring decimal" is the standard Australian/British term for what is called a "repeating decimal" in the United States.

Verifier: The term "recurring decimal" is the standard Australian/British terminology, whereas "repeating decimal" is used in the US.

lDdIXsTBSYHXrQ8JLyfb Localize Terminology
Multiple Choice
Which of the following infinite geometric series has a limiting sum of $\frac{2}{3}$?
Options:
  • $\sum\limits_{k=0}^\infty \left(-\frac{1}{2}\right)^k$
  • $\sum\limits_{k=1}^\infty \left(\frac{1}{2}\right)^k$
  • $\sum\limits_{k=1}^\infty \left(-\frac{1}{2}\right)^k$
  • $\sum\limits_{k=0}^\infty \left(\frac{1}{2}\right)^k$
Multiple Choice
Which of the following infinite geometric series has a sum of $\frac{2}{3}$?
Options:
  • $\sum\limits_{k=0}^\infty \left(-\frac{1}{2}\right)^k$
  • $\sum\limits_{k=1}^\infty \left(\frac{1}{2}\right)^k$
  • $\sum\limits_{k=1}^\infty \left(-\frac{1}{2}\right)^k$
  • $\sum\limits_{k=0}^\infty \left(\frac{1}{2}\right)^k$

Classifier: The term "limiting sum" is frequently used in AU curriculum for the sum to infinity of a geometric series; US curriculum typically uses "sum of an infinite geometric series" or "sum to infinity".

Verifier: "Limiting sum" is a specific terminology used in the Australian curriculum for the sum of an infinite geometric series.

lqrvDhpZoNcW2lDEy6ez Localize Units (simple)
Question
How many litres are there in $7$ m$^3$ ?
Answer:
  • 7000
Question
How many gallons are there in $7$ ft$^3$ ?
Answer:
  • 7000

Classifier: The text contains the metric unit "litres" (AU spelling) and "m^3" (cubic metres). According to the decision rules, any metric unit found anywhere in the text requires at least this category.

Verifier: The text contains metric units "litres" and "m^3". "Litres" is also the AU/British spelling. Per rule 3, any metric unit requires at least RED.units_simple_conversion.

mYwP4gIAmxGPaRzUETQi Localize Cultural refs
Question
A candy shop offers snakes, gumballs, liquorice, chocolate, sour worms, and lollipops. How many different lolly bag combinations are possible when choosing $4$ types from these $6$?
Answer:
  • 15
Question
A candy shop offers gummy snakes, gumballs, licorice, chocolate, sour worms, and lollipops. How many different candy bag combinations are possible when choosing $4$ types from these $6$?
Answer:
  • 15

Classifier: Contains AU-specific spelling ("liquorice") and cultural terms for candy ("snakes", "lolly bag"). In the US, "lolly" is "candy" or "goodie", and "liquorice" is "licorice".

Verifier: Contains AU-specific spelling "liquorice" (US: licorice) and cultural terms like "lolly bag" (US: candy bag/goodie bag) and "snakes" (referring to a specific type of gummy candy).

mqn_01J5J7KYFXR5SRQRJJ1FK6YQ7J Localize Spelling (AU-US)
Multiple Choice
True or false: If two chords in a circle are equal in length, then they subtend equal angles at the centre of the circle.
Options:
  • False
  • True
Multiple Choice
True or false: If two chords in a circle are equal in length, then they subtend equal angles at the center of the circle.
Options:
  • False
  • True

Classifier: Contains the AU spelling "centre", which needs to be converted to the US spelling "center".

Verifier: Contains the AU spelling "centre", which requires localization to "center".

mm0oZmqfWS3zzwayQwgS Localize Units (simple)
Multiple Choice
Carlos ran an $800$ m race in $348$ seconds. Which option matches Carlos' time?
Options:
  • $4$ minutes $12$ seconds
  • $5$ minutes $6$ seconds
  • $5$ minutes $48$ seconds
  • $4$ minutes $46$ seconds
Multiple Choice
Carlos ran an $800$ ft race in $348$ seconds. Which option matches Carlos' time?
Options:
  • $4$ minutes $12$ seconds
  • $5$ minutes $6$ seconds
  • $5$ minutes $48$ seconds
  • $4$ minutes $46$ seconds

Classifier: The text contains a metric unit ("m" for metres) in the context of a race distance, which requires localization for a US audience.

Verifier: The text contains the metric unit "m" (metres) in the context of a race distance, which requires localization for a US audience.

mqn_01J5MMYHEG59F3EW038P9PG1VC Localize Spelling (AU-US)
Multiple Choice
Which of the following pairs of variables is not suitable for a scatterplot?
Options:
  • Temperature and electricity usage
  • Number of siblings and favourite colour
  • Monthly income and expenditure
  • Age and weight
Multiple Choice
Which of the following pairs of variables is not suitable for a scatterplot?
Options:
  • Temperature and electricity usage
  • Number of siblings and favorite color
  • Monthly income and expenditure
  • Age and weight

Classifier: The text contains the Australian spelling "favourite colour", which requires localization to "favorite color" for a US audience.

Verifier: The answer choice contains "favourite colour", which are AU/British spellings of "favorite color".

mqn_01HW9XFBG9ZBJ6Z8WXR7JJH1T5 Localize Spelling (AU-US)
Multiple Choice
Factorise $x^2+2x-6$ by completing the square.
Options:
  • $(x+1-\sqrt 7)(x-1+\sqrt 7)$
  • $(x-2-\sqrt 7)(x+1+\sqrt 7)$
  • $(x+1-\sqrt 7)(x+1+\sqrt 7)$
  • $(x+1-\sqrt 7)(x+1-\sqrt 7)$
Multiple Choice
Factor $x^2+2x-6$ by completing the square.
Options:
  • $(x+1-\sqrt 7)(x-1+\sqrt 7)$
  • $(x-2-\sqrt 7)(x+1+\sqrt 7)$
  • $(x+1-\sqrt 7)(x+1+\sqrt 7)$
  • $(x+1-\sqrt 7)(x+1-\sqrt 7)$

Classifier: Contains the AU spelling "Factorise", which needs to be converted to the US spelling "Factorize".

Verifier: Contains the AU spelling "Factorise", which requires localization to "Factorize".

mqn_01HW4E4508G9NSKQTH87ENZKH6 Localize Spelling (AU-US)
Multiple Choice
Factorise $x^2-8x+3$ by completing the square.
Options:
  • $(x-4-\sqrt{13}) (x-4-\sqrt{13})$
  • $(x+4+\sqrt{13}) (x+4-\sqrt{13})$
  • $(x-4+\sqrt{13}) (x-4+\sqrt{13})$
  • $(x-4+\sqrt{13}) (x-4-\sqrt{13})$
Multiple Choice
Factor $x^2-8x+3$ by completing the square.
Options:
  • $(x-4-\sqrt{13}) (x-4-\sqrt{13})$
  • $(x+4+\sqrt{13}) (x+4-\sqrt{13})$
  • $(x-4+\sqrt{13}) (x-4+\sqrt{13})$
  • $(x-4+\sqrt{13}) (x-4-\sqrt{13})$

Classifier: Contains the AU spelling "Factorise", which needs to be converted to the US spelling "Factorize".

Verifier: Contains the AU spelling "Factorise", which requires localization to "Factorize".

mqn_01HW9XJ2X6BWYZ9QG095N22E16 Localize Spelling (AU-US)
Multiple Choice
Factorise $2x^2 - 12x - 12$ by completing the square.
Options:
  • $2(x+3-\sqrt{15})(x-3+\sqrt{15})$
  • $2(x-3-\sqrt{15})(x-3+\sqrt{15})$
  • $2(x+3+\sqrt{15})(x-3+\sqrt{15})$
  • $2(x-3-\sqrt{15})(x+3-\sqrt{15})$
Multiple Choice
Factor $2x^2 - 12x - 12$ by completing the square.
Options:
  • $2(x+3-\sqrt{15})(x-3+\sqrt{15})$
  • $2(x-3-\sqrt{15})(x-3+\sqrt{15})$
  • $2(x+3+\sqrt{15})(x-3+\sqrt{15})$
  • $2(x-3-\sqrt{15})(x+3-\sqrt{15})$

Classifier: Contains the AU spelling "Factorise", which needs to be converted to the US spelling "Factorize".

Verifier: Contains the AU spelling "Factorise", which requires localization to "Factorize".

mqn_01J6C4QREMH969JYBAYCGQEZRG Localize Spelling (AU-US)
Multiple Choice
What is $3y(2y - 4) + 5(2y - 4)$ in factorised form?
Options:
  • $(3y - 5)(2y - 4)$
  • $(6y + 10)(y - 4)$
  • $(6y - 4)(3y + 5)$
  • $(3y + 5)(2y - 4)$
Multiple Choice
What is $3y(2y - 4) + 5(2y - 4)$ in factored form?
Options:
  • $(3y - 5)(2y - 4)$
  • $(6y + 10)(y - 4)$
  • $(6y - 4)(3y + 5)$
  • $(3y + 5)(2y - 4)$

Classifier: Contains the AU spelling "factorised", which needs to be converted to the US spelling "factorized".

Verifier: The text contains "factorised", which is the AU/British spelling. US spelling is "factorized".

mqn_01J6C4N6HS88SVP6YV6MQQ8WJ8 Localize Spelling (AU-US)
Multiple Choice
What is $2a^2(3a + 1) + 4(3a + 1)$ in factorised form?
Options:
  • $2(3a^2 + 2)(3a + 1)$
  • $2(a^2 + 2)(6a + 1)$
  • $2(6a^2 + 1)(a + 2)$
  • $2(a^2 + 2)(3a + 1)$
Multiple Choice
What is $2a^2(3a + 1) + 4(3a + 1)$ in factored form?
Options:
  • $2(3a^2 + 2)(3a + 1)$
  • $2(a^2 + 2)(6a + 1)$
  • $2(6a^2 + 1)(a + 2)$
  • $2(a^2 + 2)(3a + 1)$

Classifier: Contains the AU spelling "factorised", which needs to be converted to the US spelling "factorized".

Verifier: The text contains "factorised", which is the AU/British spelling. US spelling is "factorized".

mqn_01J6EG1CZ0S8Q8YPGM8QX455RM Localize Spelling (AU-US)
Multiple Choice
Factorise the polynomial $y^2 - 9$.
Options:
  • $(y + 9)(y - 1)$
  • $(y - 3)^2$
  • $(y - 9)(y + 9)$
  • $(y - 3)(y + 3)$
Multiple Choice
Factor the polynomial $y^2 - 9$.
Options:
  • $(y + 9)(y - 1)$
  • $(y - 3)^2$
  • $(y - 9)(y + 9)$
  • $(y - 3)(y + 3)$

Classifier: The word "Factorise" uses the AU/UK 's' spelling. In US English, this must be "Factorize".

Verifier: The word "Factorise" uses the AU/UK 's' spelling. In US English, this must be "Factorize".

mqn_01J6C4KBF07V826CMSM8GCYR3T Localize Spelling (AU-US)
Multiple Choice
What is $3x(2x - 4) + 5(2x - 4)$ in factorised form?
Options:
  • $-2(3x + 5)(x + 4)$
  • $2(3x + 5)(x + 2)$
  • $2(3x - 5)(x - 2)$
  • $2(3x + 5)(x - 2)$
Multiple Choice
What is $3x(2x - 4) + 5(2x - 4)$ in factored form?
Options:
  • $-2(3x + 5)(x + 4)$
  • $2(3x + 5)(x + 2)$
  • $2(3x - 5)(x - 2)$
  • $2(3x + 5)(x - 2)$

Classifier: Contains the AU spelling "factorised", which needs to be converted to the US spelling "factorized".

Verifier: The text contains "factorised", which is the AU/British spelling. US spelling is "factorized".

mqn_01J6EG3H44M0761ZHBMQ6R4VFM Localize Spelling (AU-US)
Multiple Choice
Factorise the polynomial $z^2 - 25$.
Options:
  • $(z + 25)(z - 1)$
  • $(z - 5)^2$
  • $(z - 25)(z + 25)$
  • $(z - 5)(z + 5)$
Multiple Choice
Factor the polynomial $z^2 - 25$.
Options:
  • $(z + 25)(z - 1)$
  • $(z - 5)^2$
  • $(z - 25)(z + 25)$
  • $(z - 5)(z + 5)$

Classifier: The word "Factorise" uses the AU/UK 's' spelling. In US English, this must be "Factorize".

Verifier: The word "Factorise" uses the AU/UK 's' spelling. In US English, this must be "Factorize".

mqn_01J6EF7KJ9X6TQ62NNVXT14E9M Localize Spelling (AU-US)
Multiple Choice
Which of the following expressions can be factorised as $(2x - 5y)(2x + 5y)(4x^2 + 25y^2)$?
Options:
  • $(64x^4 - 15625y^4)$
  • $(16x^4 - 625y^4)$
  • $(16x^2 - 100y^2)$
  • $(4x^2 - 25y^2)$
Multiple Choice
Which of the following expressions can be factored as $(2x - 5y)(2x + 5y)(4x^2 + 25y^2)$?
Options:
  • $(64x^4 - 15625y^4)$
  • $(16x^4 - 625y^4)$
  • $(16x^2 - 100y^2)$
  • $(4x^2 - 25y^2)$

Classifier: The text uses the AU spelling "factorised", which needs to be localized to the US spelling "factorized".

Verifier: The text uses "factorised", which is the AU/UK spelling. US English requires "factorized".

mqn_01J6EEXN6625TCEXVPW0JAWJHX Localize Spelling (AU-US)
Multiple Choice
Factorise $16a^6 - 81b^6$.
Options:
  • $(8a^3 - 9b^3)(8a^3 + 9b^3)$
  • $(4a^3 - 81b^3)(4a^3 + 9b^3)$
  • $(16a^3 - 81b^3)(16a^3 + 81b^3)$
  • $(4a^3 - 9b^3)(4a^3 + 9b^3)$
Multiple Choice
Factor $16a^6 - 81b^6$.
Options:
  • $(8a^3 - 9b^3)(8a^3 + 9b^3)$
  • $(4a^3 - 81b^3)(4a^3 + 9b^3)$
  • $(16a^3 - 81b^3)(16a^3 + 81b^3)$
  • $(4a^3 - 9b^3)(4a^3 + 9b^3)$

Classifier: The text uses the AU spelling "Factorise", which needs to be localized to the US spelling "Factorize".

Verifier: The text uses "Factorise", which is the AU/UK spelling. US English requires "Factorize".

mqn_01J6SCT2SHKHC96BYWF3AE5Z0A Localize Units (simple)
Multiple Choice
True or false: The total surface area of a cube of side length $0.2$ cm is $2.4$ cm$^2$
Options:
  • False
  • True
Multiple Choice
True or false: The total surface area of a cube of side length $0.2$ in is $2.4$ in$^2$
Options:
  • False
  • True

Classifier: The text contains metric units ("cm" and "cm$^2$") which require conversion for US localization. Per decision rules, any metric unit triggers a RED category.

Verifier: The question contains metric units ("cm" and "cm^2") which require conversion to US customary units for localization. This is a simple conversion as it involves a single geometric object and a basic calculation.

mqn_01J6EGCAH24AZ0WX784VTKWV4R Localize Spelling (AU-US)
Multiple Choice
Factorise the polynomial $p^2 - 36$.
Options:
  • $(p + 6)^2$
  • $(p - 6)(p + 6)$
  • $(p - 36)(p + 36)$
  • $(p - 6)^2$
Multiple Choice
Factor the polynomial $p^2 - 36$.
Options:
  • $(p + 6)^2$
  • $(p - 6)(p + 6)$
  • $(p - 36)(p + 36)$
  • $(p - 6)^2$

Classifier: The word "Factorise" uses the AU/UK 's' spelling. In US English, this must be "Factorize".

Verifier: The word "Factorise" uses the AU/UK 's' spelling. In US English, this must be "Factorize".

mqn_01J6EFAXAN27PXVXJ7HE2SHGY6 Localize Spelling (AU-US)
Multiple Choice
Which of the following expressions can be factorised as $(3m - 2n)(3m + 2n)(9m^2 + 4n^2)$?
Options:
  • $(729m^4 - 64n^4)$
  • $(81m^4 - 256n^4)$
  • $(81m^4 - 16n^4)$
  • $(9m^2 - 4n^2)$
Multiple Choice
Which of the following expressions can be factored as $(3m - 2n)(3m + 2n)(9m^2 + 4n^2)$?
Options:
  • $(729m^4 - 64n^4)$
  • $(81m^4 - 256n^4)$
  • $(81m^4 - 16n^4)$
  • $(9m^2 - 4n^2)$

Classifier: The word "factorised" uses the AU/UK 's' spelling. In US English, this must be "factorized".

Verifier: The word "factorised" uses the AU/UK 's' spelling. In US English, this must be "factorized".

mgvw2QkHjYGPmk3M1O2H Localize Units (simple)
Multiple Choice
In a swimming race, Maithili covered $5$ m in the first $1.5$ minutes of the race. As a part of her strategy to win, she covered the remaining $3$ m in just the next $0.48$ minutes. Represent the distance covered by Maithili as a function $f(x).$
Options:
  • $f(x)=\begin{cases}5x&;0<x\leq{1.5}\\3x&;x\leq{1.98}\end{cases}$
  • $f(x)=\begin{cases}5x&;0\leq{x}<{0.5}\\3x&;x\leq{1.98}\end{cases}$
  • $f(x)=\begin{cases}5x&;x\geq{0.5}\\3x&;x\leq{0.48}\end{cases}$
  • $f(x)=\begin{cases}5x&;1<x\leq{0.5}\\3x&;x\leq{0.48}\end{cases}$
Multiple Choice
In a swimming race, Maithili covered $5$ ft in the first $1.5$ minutes of the race. As a part of her strategy to win, she covered the remaining $3$ ft in just the next $0.48$ minutes. Represent the distance covered by Maithili as a function $f(x).$
Options:
  • $f(x)=\begin{cases}5x&;0<x\leq{1.5}\\3x&;x\leq{1.98}\end{cases}$
  • $f(x)=\begin{cases}5x&;0\leq{x}<{0.5}\\3x&;x\leq{1.98}\end{cases}$
  • $f(x)=\begin{cases}5x&;x\geq{0.5}\\3x&;x\leq{0.48}\end{cases}$
  • $f(x)=\begin{cases}5x&;1<x\leq{0.5}\\3x&;x\leq{0.48}\end{cases}$

Classifier: The text contains metric units ("m" for metres) which require conversion to US customary units. Per rule 1, any metric unit disqualifies GREEN.

Verifier: The text contains metric units ("m" for metres) which require conversion. The conversion is simple as it involves a few discrete values and the resulting function coefficients change linearly.

mqn_01J6TT1YD8N5GHSCC76T9MY541 Localize Units (simple)
Multiple Choice
True of false: A parallelogram with a perpendicular height of $2$ cm and a base length $5$ cm has an area of $10$ cm$^2$
Options:
  • False
  • True
Multiple Choice
True or false: A parallelogram with a perpendicular height of $2$ in and a base length $5$ in has an area of $10$ in$^2$
Options:
  • False
  • True

Classifier: The text contains metric units ("cm" and "cm$^2$") which require localization to US customary units or a decision on metric pedagogy. Per decision rules, any metric unit triggers a RED units category.

Verifier: The text contains metric units ("cm" and "cm^2") which require conversion for US localization.

mqn_01J6EF180NC4C1PFQ8P0R3605G Localize Spelling (AU-US)
Multiple Choice
Factorise $49m^8 - 64n^{10}$.
Options:
  • $(7m^4 - 8n^5)(7m^4 + 8n^5)$
  • $(49m^4 - 64n^5)(7m^4 + 8n^5)$
  • $(7m^8 - 8n^{10})(7m^8 + 8n^{10})$
  • $(7m^4 - 64n^{10})(7m^4 + 8n^5)$
Multiple Choice
Factor $49m^8 - 64n^{10}$.
Options:
  • $(7m^4 - 8n^5)(7m^4 + 8n^5)$
  • $(49m^4 - 64n^5)(7m^4 + 8n^5)$
  • $(7m^8 - 8n^{10})(7m^8 + 8n^{10})$
  • $(7m^4 - 64n^{10})(7m^4 + 8n^5)$

Classifier: The text uses the AU spelling "Factorise", which needs to be localized to the US spelling "Factorize". Note: the variable 'm' is algebraic, not a metric unit.

Verifier: The text uses "Factorise", which is the AU/UK spelling. US English requires "Factorize". The variable 'm' is algebraic and not a unit.

mqn_01J6TTSXT071Y59PE43C44XGDD Localize Units (simple)
Multiple Choice
Which of the following represents the radius of a circle with diameter $d$ cm?
Options:
  • $\frac{d}{3}$ cm
  • $\frac{d}{2}$ cm
  • $d$ cm
  • $2d$ cm
Multiple Choice
Which of the following represents the radius of a circle with diameter $d$ in?
Options:
  • $\frac{d}{3}$ in
  • $\frac{d}{2}$ in
  • $d$ in
  • $2d$ in

Classifier: The text and answer choices contain the metric unit "cm", which requires localization.

Verifier: The text and answer choices contain the metric unit "cm", which requires conversion for US localization.

mqn_01J6X1X2E4KJJXJ6B7QHER8E4D Localize Terminology
Multiple Choice
Which of the following lines has a gradient of $0$?
Options:
  • $x = 0$
  • $y = -5x$
  • $y = 3$
  • $x = 2y$
Multiple Choice
Which of the following lines has a slope of $0$?
Options:
  • $x = 0$
  • $y = -5x$
  • $y = 3$
  • $x = 2y$

Classifier: The term "gradient" is standard in AU/UK curriculum for the steepness of a line, whereas the US curriculum almost exclusively uses "slope" in this context.

Verifier: The term "gradient" is the standard AU/UK term for the steepness of a line, whereas US curriculum uses "slope". This requires localization.

mqn_01J6X282DSXV9ZHS94S40WN62N Localize Terminology
Multiple Choice
A horizontal line passes through the point $(10, -4)$. What is the gradient of this line?
Options:
  • Undefined
  • $\infty$
  • $0$
  • $1$
Multiple Choice
A horizontal line passes through the point $(10, -4)$. What is the slope of this line?
Options:
  • Undefined
  • $\infty$
  • $0$
  • $1$

Classifier: Uses the term "gradient", which requires localization to "slope" for US audiences.

Verifier: Uses the term "gradient", which is specific to AU/UK school context and requires localization to "slope" for US audiences.

mqn_01J6X24C397NRZRB0PZ8YEMSVY Localize Terminology
Multiple Choice
A vertical line passes through the point $(2, -5)$. What is the gradient of this line?
Options:
  • $\infty$
  • Undefined
  • $-5$
  • $0$
Multiple Choice
A vertical line passes through the point $(2, -5)$. What is the slope of this line?
Options:
  • $\infty$
  • Undefined
  • $-5$
  • $0$

Classifier: Uses the term "gradient", which requires localization to "slope" for US audiences.

Verifier: Uses the term "gradient", which is specific to AU/UK school context and requires localization to "slope" for US audiences.

mqn_01J6X3Z97QTH7A4X8BRHCR7Q6T Localize Terminology
Multiple Choice
A vertical line passes through the point $(0,0)$. What is the gradient of this line?
Options:
  • Undefined
  • $\infty$
  • $1$
  • $0$
Multiple Choice
A vertical line passes through the point $(0,0)$. What is the slope of this line?
Options:
  • Undefined
  • $\infty$
  • $1$
  • $0$

Classifier: Uses the term "gradient", which requires localization to "slope" for US audiences.

Verifier: Uses the term "gradient", which is specific to AU/UK school context and requires localization to "slope" for US audiences.

mqn_01J6TVDCB8Q3RK7JY53GR52MBP Localize Units (simple)
Multiple Choice
A circular disc has a radius that is $0.4$ times the diameter of a larger circular disc. If the diameter of the smaller disc is $24$ cm, what is the diameter of the larger disc?
Options:
  • $19.2$ cm
  • $9.6$ cm
  • $30$ cm
  • $60$ cm
Multiple Choice
A circular disk has a radius that is $0.4$ times the diameter of a larger circular disk. If the diameter of the smaller disk is $24$ in, what is the diameter of the larger disk?
Options:
  • $19.2$ in
  • $9.6$ in
  • $30$ in
  • $60$ in

Classifier: The text contains the metric unit "cm" (centimetres) multiple times in both the question and the answer choices, which requires conversion to US customary units (inches) or a change in the problem's unit context.

Verifier: The text contains the metric unit "cm" (centimetres) in the question and all answer choices, which requires conversion to US customary units (inches) or a change in unit context.

mqn_01J6YSSAY3JZGR5ZJ9WY2PS7A0 Localize Terminology
Multiple Choice
Which of the following is true for the turning point of the parabola $y=ax^2+bx+c$ ?
Options:
  • $y=\frac{-b}{2a}$
  • $x=\frac{-b}{2a}$
  • $y=\frac{b}{2a}$
  • $x=\frac{b}{2a}$
Multiple Choice
Which of the following is true for the vertex of the parabola $y=ax^2+bx+c$ ?
Options:
  • $y=\frac{-b}{2a}$
  • $x=\frac{-b}{2a}$
  • $y=\frac{b}{2a}$
  • $x=\frac{b}{2a}$

Classifier: The term "turning point" is standard AU/UK terminology for the vertex of a parabola. In a US context, "vertex" is the preferred term.

Verifier: The term "turning point" is the standard Australian/UK curriculum term for the vertex of a parabola. In the US, "vertex" is the standard term.

mqn_01J6YTNMWPPJ65ZVRNKKQESGZY Localize Terminology
Multiple Choice
Which of the following represents the turning point of the parabola $y=(x-3)(x+4)$ ?
Options:
  • $\left(\frac{-1}{2}, \frac{49}{4}\right)$
  • $\left(\frac{1}{2}, \frac{49}{4}\right)$
  • $\left(\frac{-1}{2}, \frac{-49}{4}\right)$
  • $\left(\frac{1}{2}, \frac{-49}{4}\right)$
Multiple Choice
Which of the following represents the vertex of the parabola $y=(x-3)(x+4)$ ?
Options:
  • $\left(\frac{-1}{2}, \frac{49}{4}\right)$
  • $\left(\frac{1}{2}, \frac{49}{4}\right)$
  • $\left(\frac{-1}{2}, \frac{-49}{4}\right)$
  • $\left(\frac{1}{2}, \frac{-49}{4}\right)$

Classifier: Contains the AU school math term "turning point", which should be localized to "vertex" for US audiences.

Verifier: Contains "turning point", which is a specific AU/UK school math term for "vertex".

mqn_01J82R8CNH7VEVRVFWHZ9S98X0 Localize Units (textual)
Multiple Choice
True or false: Cubic centimetres is an appropriate unit to measure the volume of a wooden plank.
Options:
  • False
  • True
Multiple Choice
True or false: Cubic inches is an appropriate unit to measure the volume of a wooden plank.
Options:
  • False
  • True

Classifier: The text contains the metric unit "Cubic centimetres" which also uses the AU spelling "centimetres". This requires conversion to US customary units or at least spelling localization, but per rules, units take precedence. Since it is a conceptual question about the appropriateness of a unit, it is a textual conversion.

Verifier: The text contains the metric unit "centimetres" (AU spelling) in a conceptual context. Per rule 3, any metric unit requires RED classification. Since it's a qualitative question about unit appropriateness, textual conversion is the correct leaf.

mqn_01J8S9Z91RH3SBM14ARFZJAFWT Localize Terminology
Multiple Choice
True or false: A line with a gradient of zero is a vertical line.
Options:
  • False
  • True
Multiple Choice
True or false: A line with a slope of zero is a vertical line.
Options:
  • False
  • True

Classifier: Uses the term "gradient". As noted in Group 5, while "slope" is more common in the US, "gradient" is a standard mathematical term. No other AU-specific markers are present.

Verifier: The term "gradient" is used in a school geometry context where "slope" is the US equivalent. This requires localization.

mqn_01J70ZR1YH9S1YF3VMV6MBHG0R Localize Units (simple)
Multiple Choice
True or false: The volume of a rectangular prism with base area $a$ cm$^2$ and height $b$ cm is $(a\times b)$ cm$^3$
Options:
  • False
  • True
Multiple Choice
True or false: The volume of a rectangular prism with base area $a$ in$^2$ and height $b$ in is $(a\times b)$ in$^3$
Options:
  • False
  • True

Classifier: The text contains metric units (cm, cm^2, cm^3) which require localization to US customary units or a general units-neutral format.

Verifier: The text contains metric units (cm, cm^2, cm^3) which require localization for a US audience. It is a simple conversion/replacement of units.

mqn_01J735QCHWMS6KX03ZCQ8XWGSB Localize Answer set
Multiple Choice
True or false: A trapezium cannot have a right angle.
Options:
  • False
  • True
Multiple Choice
True or false: A trapezoid cannot have a right angle.
Options:
  • False
  • True

Classifier: The term "trapezium" in AU refers to a quadrilateral with at least one pair of parallel sides, which is called a "trapezoid" in the US.

Verifier: The term "trapezium" has different definitions in AU/UK vs US (where it is called a "trapezoid"). This requires localization to ensure the mathematical property being tested is accurate for the target locale.

mqn_01J8QHKCB1FQ5NA657ZM2TQJZR Localize Terminology
Multiple Choice
True or false: The $y$-coordinate of the turning point of the parabola $y=2(x+1)^2-3$ is $3$.
Options:
  • False
  • True
Multiple Choice
True or false: The $y$-coordinate of the vertex of the parabola $y=2(x+1)^2-3$ is $3$.
Options:
  • False
  • True

Classifier: The term "turning point" is used to describe the vertex of a parabola, which is an AU-specific mathematical term requiring localization to "vertex" for US audiences.

Verifier: The term "turning point" is used, which requires localization to "vertex" for the US context.

mqn_01J8QHGQEHN4GVBVCJPCS6J5BZ Localize Terminology
Multiple Choice
True or false: The turning point of the parabola $y=(x-2)^2+2$ is $(2,2)$.
Options:
  • False
  • True
Multiple Choice
True or false: The vertex of the parabola $y=(x-2)^2+2$ is $(2,2)$.
Options:
  • False
  • True

Classifier: The term "turning point" is standard AU/UK terminology for the vertex of a parabola. In a US context, "vertex" is the preferred term.

Verifier: The term "turning point" is the standard AU/UK term for what is called the "vertex" in US school mathematics.

mqn_01J6ZSZV1TWR87KWXD863W5VJJ Localize Terminology
Multiple Choice
A line has a gradient of $2$. What is the gradient of the line perpendicular to it?
Options:
  • $-\frac{1}{4}$
  • $0$
  • $2$
  • $-\frac{1}{2}$
Multiple Choice
A line has a slope of $2$. What is the slope of the line perpendicular to it?
Options:
  • $-\frac{1}{4}$
  • $0$
  • $2$
  • $-\frac{1}{2}$

Classifier: While "gradient" is very common in AU/UK and "slope" is more common in the US, "gradient" is still mathematically valid and understood in US high school/college contexts. However, per the strict rules, there are no AU-specific spellings or metric units. If "gradient" were considered a restricted term it would be RED, but it is generally accepted as bi-dialect neutral in coordinate geometry.

Verifier: While the classifier argued "gradient" is mathematically valid in the US, in the context of school-level coordinate geometry, "gradient" is the standard AU/UK term whereas "slope" is the standard US term. Following the logic applied to "turning point" in Groups 5 and 6, this should be classified as RED.terminology_school_context for localization to the US market.

mqn_01J87493CB5JVJAXJZWWGK2Y13 Localize Units (textual)
Multiple Choice
Which of the following is an example of categorical data?
Options:
  • Temperature in degrees Celsius
  • Brand of car
  • Height of basketball players
  • Number of pets
Multiple Choice
Which of the following is an example of categorical data?
Options:
  • Temperature in degrees Fahrenheit
  • Brand of car
  • Height of basketball players
  • Number of pets

Classifier: The text contains a reference to "degrees Celsius", which is a metric unit. Per decision rules, any metric unit requires localization. Since it is a descriptive reference in a list of data types, it is classified as textual conversion.

Verifier: The text contains "degrees Celsius", which is a metric unit. Per decision rule 3, any metric unit requires at least RED classification. Since it is a textual reference in a list of examples, units_textual_conversion is appropriate.

mqn_01J7VQ06Y7F690FJJ0MT6VJR5X Localize Terminology
Multiple Choice
True or false: A true bearing of $000^\circ T$ means the object is located to the east.
Options:
  • False
  • True
Multiple Choice
True or false: A true bearing of $000^\circ$ means the object is located to the east.
Options:
  • False
  • True

Classifier: Uses "true bearing" and the specific Australian notation "$000^\circ T$". In the US, bearings are often expressed as quadrant bearings (e.g., N 0 E) or simple degrees clockwise from North without the "T" suffix.

Verifier: The use of "true bearing" combined with the specific notation "$000^\circ T$" (three digits followed by T) is highly specific to the Australian curriculum and navigation standards, differing from US conventions.

mqn_01J8J49AYYYGAM8G4EXCN2N2MD Localize Spelling (AU-US)
Multiple Choice
Which of the following nominal rates has the lowest effective interest rate?
Options:
  • $6.5\%$, compounded every two months
  • $7.5\%$, compounded quaterly
  • $8\%$, compounded monthy
  • $10\%$, compounded half-yearly
Multiple Choice
Which of the following nominal rates has the lowest effective interest rate?
Options:
  • $6.5\%$, compounded every two months
  • $7.5\%$, compounded quarterly
  • $8\%$, compounded monthly
  • $10\%$, compounded semiannually

Classifier: The text contains typos/misspellings ("quaterly", "monthy") but more importantly, "half-yearly" is the standard AU term for what is typically called "semiannually" in US financial contexts. However, per the decision rules, the presence of "quaterly" and "monthy" are likely typos, but "half-yearly" is a distinct terminology preference. Given the options, RED.spelling_only or terminology applies; "half-yearly" is the primary indicator for localization.

Verifier: The text contains spelling errors ("quaterly", "monthy") and the term "half-yearly" which is the preferred Australian term over "semiannually". Per rule 5, spelling/typos and terminology both trigger RED.

mqn_01J7XDANVAX5VEWW52XSG0MHK3 Localize Terminology
Multiple Choice
True or false: While evaluating the given expression, subtraction is performed before solving the brackets. $18-[6 + {4 + (8\times9)}]$
Options:
  • False
  • True
Multiple Choice
True or false: While evaluating the given expression, subtraction is performed before solving the parentheses. $18-[6 + {4 + (8\times9)}]$
Options:
  • False
  • True

Classifier: The term "brackets" is the standard AU/UK term for grouping symbols in order of operations. In a US school context, "parentheses" is the primary term used for ( ), and "brackets" usually refers specifically to [ ]. Localization to "parentheses" or "grouping symbols" is required for US alignment.

Verifier: The term "brackets" is the standard AU/UK term for grouping symbols. In US pedagogy, "parentheses" is used for ( ) and "brackets" for [ ]. Since the expression contains both, the use of "brackets" as a general term is a terminology difference requiring localization.

mqn_01J8SA197K4DXDXRVNSRC28V92 Localize Terminology
Multiple Choice
True or false: A line with a gradient of $5$ is steeper than a line with a gradient of $2$.
Options:
  • False
  • True
Multiple Choice
True or false: A line with a slope of $5$ is steeper than a line with a slope of $2$.
Options:
  • False
  • True

Classifier: Uses "gradient". No AU spelling, metric units, or specific school level terminology (like Year 7) found.

Verifier: The term "gradient" is used in a school geometry context where "slope" is the US equivalent. This requires localization.

mqn_01J847ZF5865XG4ABSMB7C7NJ9 Localize Terminology
Multiple Choice
What does the D stand for in BODMAS?
Options:
  • Denominator
  • Dividend
  • Divisor
  • Division
Multiple Choice
What does the D stand for in PEMDAS?
Options:
  • Denominator
  • Dividend
  • Divisor
  • Division

Classifier: The acronym "BODMAS" is the standard Australian/UK term for order of operations. In the US, the equivalent acronym is "PEMDAS". This requires localization of the term itself and the corresponding question context.

Verifier: The term "BODMAS" is the standard Australian/UK acronym for order of operations, whereas "PEMDAS" is used in the US. This is a clear case of school-context terminology requiring localization.

mqn_01J72SWKCKHHK9CSTGFVQGXN2J Localize Terminology
Multiple Choice
Which type of triangle does the RHS congruence rule apply to?
Options:
  • Isosceles
  • Right-angled
  • Equilateral
  • Scalene
Multiple Choice
Which type of triangle does the HL congruence rule apply to?
Options:
  • Isosceles
  • Right
  • Equilateral
  • Scalene

Classifier: Contains "RHS" (AU terminology for HL) and "Right-angled" (AU terminology for Right triangle).

Verifier: The question uses "RHS" (AU/UK terminology for HL) and the answer choice "Right-angled" (AU/UK terminology for Right triangle).

mqn_01J8MAP3BFPWPV3T72QHKVFZV8 Localize Terminology
Multiple Choice
Which of the following events are mutually exclusive? A) Drawing a club and drawing a spade from a deck of cards B) Rolling a $3$ and rolling an odd number on a die C) Selecting a student who studies both maths and science D) Choosing a student who plays soccer or basketball
Options:
  • B
  • D
  • A
  • C
Multiple Choice
Which of the following events are mutually exclusive? A) Drawing a club and drawing a spade from a deck of cards B) Rolling a $3$ and rolling an odd number on a die C) Selecting a student who studies both math and science D) Choosing a student who plays soccer or basketball
Options:
  • B
  • D
  • A
  • C

Classifier: Contains the term "maths", which is the standard AU term for the US "math".

Verifier: The text contains the term "maths", which is the standard Australian/British term for the US "math". This requires localization.

mqn_01J8S9W8PS1C5NKSAN15EAE03G Localize Terminology
Multiple Choice
What does a positive gradient indicate about a line on a graph? A) The line is horizontal B) The line is sloping upwards from left to right C) The line is sloping downwards from left to right D) The line is vertical
Options:
  • D
  • B
  • C
  • A
Multiple Choice
What does a positive slope indicate about a line on a graph? A) The line is horizontal B) The line is sloping upward from left to right C) The line is sloping downward from left to right D) The line is vertical
Options:
  • D
  • B
  • C
  • A

Classifier: While "gradient" is very common in AU/UK and "slope" is more common in the US, "gradient" is still mathematically valid and understood in US high school/college calculus and vector contexts. However, per the specific decision rules, there are no AU-specific spellings or metric units. If "gradient" were considered a strictly AU school term, it would be RED, but it is often treated as bi-dialect neutral in higher math. Given the strict "ZERO AU-specific" rule for GREEN, and "gradient" not being explicitly listed in the RED.terminology examples (unlike "maths" or "turning point"), it is classified as GREEN.

Verifier: In the context of school-level coordinate geometry (sloping lines on a graph), "gradient" is the standard AU term, whereas "slope" is the standard US term. Following the precedent of "turning point" being RED, "gradient" in this pedagogical context should also be RED.

mqn_01J8SAGVEJP6SJNB1PB4WRPYQ8 Localize Terminology
Multiple Choice
True or false: A line that rises quickly from left to right has a steeper gradient than a line that rises slowly.
Options:
  • False
  • True
Multiple Choice
True or false: A line that rises quickly from left to right has a steeper slope than a line that rises slowly.
Options:
  • False
  • True

Classifier: Uses "gradient". No AU-specific spelling or metric units.

Verifier: The term "gradient" is used in a school geometry context where "slope" is the US equivalent. This requires localization.

mqn_01J8SAKGW688DGW5KT0A0S82HD Localize Terminology
Multiple Choice
True or false: A line with a positive gradient rises when moving from left to right on a graph.
Options:
  • False
  • True
Multiple Choice
True or false: A line with a positive slope rises when moving from left to right on a graph.
Options:
  • False
  • True

Classifier: Uses "gradient". No AU-specific spelling or metric units.

Verifier: The term "gradient" is used in a school geometry context where "slope" is the US equivalent. This requires localization.

mqn_01J8T1TRN83EQSK8P7DD0YT0BG Localize Terminology
Multiple Choice
True or false: The $x$-coordinate of the turning point of the quartic $y=(x-1)^4-1$ is $1$
Options:
  • False
  • True
Multiple Choice
True or false: The $x$-coordinate of the vertex of the quartic $y=(x-1)^4-1$ is $1$
Options:
  • False
  • True

Classifier: The term "turning point" is standard AU/UK terminology for what is referred to as the "vertex" in US curriculum for parabolas and higher-order polynomials.

Verifier: The term "turning point" is the standard AU/UK term for the "vertex" of a parabola or higher-order polynomial in the US curriculum.

mqn_01J8T20F8F0RH1FP53H2PMTRZA Localize Terminology
Multiple Choice
True or false: The turning point of the quartic $y=(x-1)^4-1$ is $(1,-1)$
Options:
  • False
  • True
Multiple Choice
True or false: The vertex of the quartic $y=(x-1)^4-1$ is $(1,-1)$
Options:
  • False
  • True

Classifier: Contains "turning point", a term used in AU/UK math contexts that maps to "vertex" in the US.

Verifier: The term "turning point" is used, which requires localization to "vertex" for the US market.

mqn_01J8T2CEXRJ8ABCS8860DYKKEH Localize Terminology
Multiple Choice
Fill in the blank: The quartic equation $y=x^4+4$ has a turning point at $[?]$
Options:
  • $(0,-4)$
  • $(0,4)$
Multiple Choice
Fill in the blank: The quartic equation $y=x^4+4$ has a vertex at $[?]$
Options:
  • $(0,-4)$
  • $(0,4)$

Classifier: Contains "turning point", which requires localization to "vertex".

Verifier: The term "turning point" is used, which requires localization to "vertex" for the US market.

mqn_01J8SA64TFJ6YANHV4G6FR2SZ1 Localize Terminology
Multiple Choice
What does the gradient of a line describe on a graph?
Options:
  • How wide the line is
  • How steep the line is
  • How long the line is
  • How high the line is
Multiple Choice
What does the slope of a line describe on a graph?
Options:
  • How wide the line is
  • How steep the line is
  • How long the line is
  • How high the line is

Classifier: Uses "gradient". No AU-specific spelling or metric units.

Verifier: The term "gradient" is used in a school geometry context where "slope" is the US equivalent. This requires localization.

mqn_01J8VJGW0PDE0125N2SQCNDW4H Localize Terminology
Multiple Choice
True or false: $y=x^2-1$ is the turning point form of the quadratic equation $y=(x+1)(x+1)$
Options:
  • False
  • True
Multiple Choice
True or false: $y=x^2-1$ is the vertex form of the quadratic equation $y=(x+1)(x+1)$
Options:
  • False
  • True

Classifier: The term "turning point form" is the standard AU/UK term for what is called "vertex form" in the US. This requires localization for the US school context.

Verifier: The term "turning point form" is the standard AU/UK term for what is called "vertex form" in the US. This is a school-context terminology difference.

mqn_01J8VJB82KF1PK1334XQ34ZEH2 Localize Terminology
Multiple Choice
True or false: The quadratic equation $y=x^2-2x+1$ in turning point form is $y=(x-1)^2+1$
Options:
  • False
  • True
Multiple Choice
True or false: The quadratic equation $y=x^2-2x+1$ in vertex form is $y=(x-1)^2+1$
Options:
  • False
  • True

Classifier: The term "turning point form" is the standard AU/UK term for what is called "vertex form" in the US. This requires localization for the US school context.

Verifier: The term "turning point form" is the standard AU/UK term for what is called "vertex form" in the US. This is a school-context terminology difference.

mqn_01J8VJPH07K9T9J23W3M1ZKADH Localize Terminology
Multiple Choice
True or false: $y=(x+1)^2-2$ is the turning point form of the quadratic equation $y=x^2+2x-1$ .
Options:
  • False
  • True
Multiple Choice
True or false: $y=(x+1)^2-2$ is the vertex form of the quadratic equation $y=x^2+2x-1$ .
Options:
  • False
  • True

Classifier: The term "turning point form" is the standard AU/UK term for what is called "vertex form" in the US. This requires localization for the US school context.

Verifier: The term "turning point form" is the standard AU/UK term for what is called "vertex form" in the US. This is a school-context terminology difference.

mqn_01J8T2PJ82610SR5E5W3T8FD29 Localize Terminology
Multiple Choice
What is the turning point of the quartic equation $y=2(x-1)^4+3$?
Options:
  • $(-1,-3)$
  • $(1,-3)$
  • $(1,3)$
  • $(-1,3)$
Multiple Choice
What is the vertex of the quartic equation $y=2(x-1)^4+3$?
Options:
  • $(-1,-3)$
  • $(1,-3)$
  • $(1,3)$
  • $(-1,3)$

Classifier: Contains "turning point", which requires localization to "vertex".

Verifier: The term "turning point" is used, which requires localization to "vertex" for the US market.

mqn_01J948XZ5V4ATGFCXCQ4ZQGMQJ Localize Spelling (AU-US)
Multiple Choice
Fill in the blank: $2x^3-4x^2+3x-8=0$ is a cubic equation in $[?]$ form.
Options:
  • Standard
  • Factorised
Multiple Choice
Fill in the blank: $2x^3-4x^2+3x-8=0$ is a cubic equation in $[?]$ form.
Options:
  • Standard
  • Factored

Classifier: The answer choice "Factorised" uses the AU/UK 's' spelling, which requires conversion to the US 'z' spelling ("Factorized").

Verifier: The answer choice "Factorised" uses the AU/UK spelling (with 's') which requires localization to the US spelling "Factorized" (with 'z').

mqn_01J99PARJGS123S88G46AWF0A1 Localize Spelling (AU-US)
Multiple Choice
True or false: The centre of the rectangular hyperbola $y=\frac{2}{x-1}+1$ is $(1,1)$.
Options:
  • False
  • True
Multiple Choice
True or false: The center of the rectangular hyperbola $y=\frac{2}{x-1}+1$ is $(1,1)$.
Options:
  • False
  • True

Classifier: Contains the AU spelling "centre", which needs to be localized to "center" for a US audience.

Verifier: Contains the AU spelling "centre", which requires localization to "center" for the US locale.

mqn_01J90TKQ567ET6CKXQ4PFH8BWN Localize Spelling (AU-US)
Multiple Choice
Which statement about a regression line is false?
Options:
  • It predicts dependent values
  • It predicts values perfectly
  • It requires a linear relationship
  • It minimises squared errors
Multiple Choice
Which statement about a regression line is false?
Options:
  • It predicts dependent values
  • It predicts values perfectly
  • It requires a linear relationship
  • It minimizes squared errors

Classifier: The word "minimises" uses the Australian/British 's' spelling instead of the US 'z' spelling ("minimizes").

Verifier: The word "minimises" in the final answer choice is the Australian/British spelling. Under Rule 1, any AU spelling requires RED classification.

mqn_01J8VK0S43XMH7T68MN5QKQETK Localize Terminology
Multiple Choice
Which of the following is the turning point form of the quadratic equation $y=-2x^2+16x-37$ ?
Options:
  • $y=-2(x-4)^2-5$
  • $y=-2(4-x)^2-5$
  • $y=2(4-x)^2-5$
  • $y=2(x-4)^2-5$
Multiple Choice
Which of the following is the vertex form of the quadratic equation $y=-2x^2+16x-37$ ?
Options:
  • $y=-2(x-4)^2-5$
  • $y=-2(4-x)^2-5$
  • $y=2(4-x)^2-5$
  • $y=2(x-4)^2-5$

Classifier: The term "turning point form" is the standard Australian/UK term for what is called "vertex form" in the United States.

Verifier: The term "turning point form" is the standard Australian/UK terminology for what is known as "vertex form" in the US. This requires localization to the specific curriculum terminology.

mqn_01J9JPS3340K15HQQSQCXJ8K19 Localize Terminology
Multiple Choice
True or false: The cosine rule can be used to find a missing side of a right-angled triangle.
Options:
  • False
  • True
Multiple Choice
True or false: The law of cosines can be used to find a missing side of a right triangle.
Options:
  • False
  • True

Classifier: Contains the AU-specific term "right-angled triangle", which should be localized to "right triangle" for a US audience.

Verifier: The term "right-angled triangle" is the standard AU/UK term, whereas "right triangle" is the standard US term. This requires localization.

mqn_01J912DY9BVP2QPWHP1KHZYCD5 Localize Spelling (AU-US)
Multiple Choice
What is the primary purpose of a scatterplot? A) To compare different categories of data B) To display the frequency of a single variable C) To explore the relationship between two numerical variables D) To summarise data with averages and medians
Options:
  • C
  • B
  • D
  • A
Multiple Choice
What is the primary purpose of a scatterplot? A) To compare different categories of data B) To display the frequency of a single variable C) To explore the relationship between two numerical variables D) To summarize data with averages and medians
Options:
  • C
  • B
  • D
  • A

Classifier: The word "summarise" uses the Australian/British 's' spelling instead of the US 'z' spelling ("summarize").

Verifier: The word "summarise" in option D uses the Australian/British 's' spelling. Under Rule 1, this must be classified as RED.

mqn_01J8T34XQW86MSDG4RF05FSV1B Localize Terminology
Multiple Choice
What is the turning point of the quartic equation $y=0.2\left(x-0.1\right)^4-0.4$?
Options:
  • $\left(-\frac{1}{10}, -\frac{2}{5}\right)$
  • $\left(\frac{1}{10}, -\frac{2}{5}\right)$
  • $\left(\frac{1}{10}, \frac{2}{5}\right)$
  • $\left(\frac{1}{10}, \frac{2}{10}\right)$
Multiple Choice
What is the vertex of the quartic equation $y=0.2\left(x-0.1\right)^4-0.4$?
Options:
  • $\left(-\frac{1}{10}, -\frac{2}{5}\right)$
  • $\left(\frac{1}{10}, -\frac{2}{5}\right)$
  • $\left(\frac{1}{10}, \frac{2}{5}\right)$
  • $\left(\frac{1}{10}, \frac{2}{10}\right)$

Classifier: Contains "turning point", which requires localization to "vertex".

Verifier: The term "turning point" is used, which requires localization to "vertex" for the US market.

mqn_01J8T3F1DQBKR5A14GTT3RSHG6 Localize Terminology
Multiple Choice
Which of the following quartic equations has a turning point at $(0.2, -1.25)$?
Options:
  • $y=7\left(x-\frac{2}{7}\right)^4-\frac{6}{9}$
  • $y=7\left(x-\frac{2}{7}\right)^4-\frac{5}{4}$
  • $y=3\left(x+\frac{1}{5}\right)^4-\frac{5}{4}$
  • $y=3\left(x-\frac{1}{5}\right)^4-\frac{5}{4}$
Multiple Choice
Which of the following quartic equations has a vertex at $(0.2, -1.25)$?
Options:
  • $y=7\left(x-\frac{2}{7}\right)^4-\frac{6}{9}$
  • $y=7\left(x-\frac{2}{7}\right)^4-\frac{5}{4}$
  • $y=3\left(x+\frac{1}{5}\right)^4-\frac{5}{4}$
  • $y=3\left(x-\frac{1}{5}\right)^4-\frac{5}{4}$

Classifier: Contains "turning point", which requires localization to "vertex".

Verifier: The term "turning point" is used, which requires localization to "vertex" for the US market.

mqn_01J9JEQFDC8PJ7G3AWEH01XB99 Localize Spelling (AU-US)
Multiple Choice
Which of the following represents numerical data?
Options:
  • Colours of shirts in a wardrobe
  • Types of books in a library
  • Ages of students in a school
  • Favourite fruits of students
Multiple Choice
Which of the following represents numerical data?
Options:
  • Colors of shirts in a closet
  • Types of books in a library
  • Ages of students in a school
  • Favorite fruits of students

Classifier: The text contains the Australian/British spellings "Colours" and "Favourite", which require localization to US English ("Colors" and "Favorite").

Verifier: The text contains "Colours" and "Favourite", which are AU/British spellings. These require localization to US English ("Colors" and "Favorite").

mqn_01J8T2WZ6R9VT1CG15T4G8MJP3 Localize Terminology
Multiple Choice
What is the turning point of the quartic equation $y=\sqrt{2}\left(x+\frac{1}{2}\right)^4-\frac{1}{2}$?
Options:
  • $(-0.5, 0.5)$
  • $(0.5, 0.5)$
  • $(0.5, -1.5)$
  • $(-0.5, -0.5)$
Multiple Choice
What is the vertex of the quartic equation $y=\sqrt{2}\left(x+\frac{1}{2}\right)^4-\frac{1}{2}$?
Options:
  • $(-0.5, 0.5)$
  • $(0.5, 0.5)$
  • $(0.5, -1.5)$
  • $(-0.5, -0.5)$

Classifier: Contains "turning point", which requires localization to "vertex".

Verifier: The term "turning point" is used, which requires localization to "vertex" for the US market.

mqn_01J9MMGBBEQ02JAY0FRW0Y153Z Localize Spelling (AU-US)
Multiple Choice
True or false: If $M$ and $N$ are two points on the circumference of a circle and $O$ represents the centre of the circle, then $\angle{OMN}$ is subtended by the arc $OM$.
Options:
  • False
  • True
Multiple Choice
True or false: If $M$ and $N$ are two points on the circumference of a circle and $O$ represents the center of the circle, then $\angle{OMN}$ is subtended by the arc $OM$.
Options:
  • False
  • True

Classifier: Contains the AU spelling "centre", which needs to be converted to the US spelling "center".

Verifier: Contains the AU spelling "centre", which requires localization to "center".

mqn_01J9K36JAG3106C4EH4PG438NE Localize Units (textual)
Multiple Choice
Which of the following is an example of categorical data?
Options:
  • The heights of students in centimetres
  • The postcodes of students' homes
  • The number of books in a library
  • The ages of students in a class
Multiple Choice
Which of the following is an example of categorical data?
Options:
  • The heights of students in inches
  • The zip codes of students' homes
  • The number of books in a library
  • The ages of students in a class

Classifier: Contains the metric unit "centimetres" in a descriptive context. This requires conversion to a US customary unit (e.g., inches) and also contains AU spelling ("centimetres" vs "centimeters").

Verifier: Contains the metric unit "centimetres" which uses AU spelling and requires conversion to US customary units for localization.

mqn_01J9MYWERZ3DQNRAZSJ2M7T5KB Localize Terminology
Multiple Choice
Which of the following is the correct sequence of operations to solve the given expression? $24-(15-3)+ 2$
Options:
  • Brackets, Addition, Subtraction
  • Brackets, Subtraction, Addition
  • Addition, Subtraction, Brackets
  • Subtraction, Addition, Brackets
Multiple Choice
Which of the following is the correct sequence of operations to solve the given expression? $24-(15-3)+ 2$
Options:
  • Parentheses, Addition, Subtraction
  • Parentheses, Subtraction, Addition
  • Addition, Subtraction, Parentheses
  • Subtraction, Addition, Parentheses

Classifier: The term "Brackets" is used in the context of order of operations. In the US, "Parentheses" is the standard term used in PEMDAS, whereas "Brackets" (BODMAS/BIDMAS) is the standard AU/UK term for this context.

Verifier: The use of "Brackets" in the context of order of operations is a specific AU/UK terminology (BODMAS/BIDMAS) whereas the US standard is "Parentheses" (PEMDAS).

mqn_01JB8SSKBYR5WWQ9N2BBSPJ096 Localize Terminology
Multiple Choice
Which of the following parabolas has a turning point closest to the origin?
Options:
  • $y = -4(x + 3)^2 + 5$
  • $y = -\frac{1}{2} \left( x + 4 \right)^2 + 3$
  • $y = 3(x - 2)^2 - 3$
  • $y = 2(x - 6)^2 + 8$
Multiple Choice
Which of the following parabolas has a vertex closest to the origin?
Options:
  • $y = -4(x + 3)^2 + 5$
  • $y = -\frac{1}{2} \left( x + 4 \right)^2 + 3$
  • $y = 3(x - 2)^2 - 3$
  • $y = 2(x - 6)^2 + 8$

Classifier: The term "turning point" is used, which requires localization to "vertex" for US audiences.

Verifier: The term "turning point" is used, which requires localization to "vertex" for US audiences.

mqn_01JB8R8701CWAEP0HG5KQ925GT Localize Terminology
Multiple Choice
Which of the following equations represents a parabola with the same turning point as the parabola given by $y = -\frac{3}{4} \left( x - \frac{5}{2} \right)^2 + \frac{7}{3}$?
Options:
  • $y = -\frac{3}{4} \left( x - \frac{5}{2} \right)^2 - \frac{7}{3}$
  • $y = \frac{1}{2} \left( x - \frac{5}{2} \right)^2 + \frac{7}{3}$
  • $y = -\frac{5}{6} \left( x - \frac{5}{2} \right)^2 - \frac{7}{3}$
  • $y = -\frac{3}{4} \left( x + \frac{5}{2} \right)^2 + \frac{7}{3}$
Multiple Choice
Which of the following equations represents a parabola with the same vertex as the parabola given by $y = -\frac{3}{4} \left( x - \frac{5}{2} \right)^2 + \frac{7}{3}$?
Options:
  • $y = -\frac{3}{4} \left( x - \frac{5}{2} \right)^2 - \frac{7}{3}$
  • $y = \frac{1}{2} \left( x - \frac{5}{2} \right)^2 + \frac{7}{3}$
  • $y = -\frac{5}{6} \left( x - \frac{5}{2} \right)^2 - \frac{7}{3}$
  • $y = -\frac{3}{4} \left( x + \frac{5}{2} \right)^2 + \frac{7}{3}$

Classifier: The term "turning point" is standard AU/UK terminology for the vertex of a parabola. In a US context, "vertex" is the standard term.

Verifier: The term "turning point" is the standard Australian/British term for the vertex of a parabola. In the US context, "vertex" is used.

01JVJ7085RPT9JVGAX7S7700AK Localize Units (simple)
Question
How many centimetres are in $2$ metres?
Answer:
  • 200
Question
How many inches are in $2$ feet?
Answer:
  • 24

Classifier: Contains metric units ("centimetres", "metres", "cm") and AU-specific spelling of those units ("metres", "centimetres"). Metric units require conversion for US localization.

Verifier: Contains metric units ("centimetres", "metres", "cm") and AU-specific spelling of those units ("metres", "centimetres"). Metric units require conversion for US localization.

01JVJ7085S8EW2TWTSMT8SJ1KX Localize Units (simple)
Question
Find the total length, in metres, of the following: $1.25$ km, $38\ 500$ cm and $72\ 000$ mm
Answer:
  • 1707
Question
Find the total length, in feet, of the following: $1.25$ mi, $38\ 500$ in and $72\ 000$ in
Answer:
  • 15800

Classifier: Contains multiple metric units (km, cm, mm, m) and AU-specific spelling ("metres"). Metric units require conversion for US localization.

Verifier: Contains multiple metric units (km, cm, mm, m) and AU-specific spelling ("metres"). Metric units require conversion for US localization. While there are multiple values, it is a simple sum of lengths, not a complex equation or re-derivation of coefficients, so simple_conversion is appropriate.

01JVJ7AJWS6N0B3MP1ACSF3B63 Localize Spelling (AU-US)
Multiple Choice
True or false: Using the cross method, $x^2 + x - 2$ factorises to $(x+2)(x-1)$.
Options:
  • False
  • True
Multiple Choice
True or false: Using the cross method, $x^2 + x - 2$ factors to $(x+2)(x-1)$.
Options:
  • False
  • True

Classifier: Contains the AU spelling "factorises", which needs to be converted to the US spelling "factorizes".

Verifier: Contains the AU spelling "factorises", which requires localization to "factorizes" for the US locale.

01JVMK685QEG1205XWCZPDKMTR Localize Units (simple)
Question
A radioactive substance has a half-life of $10$ days. If you start with $200$ grams, how much will remain after $30$ days?
Answer:
  • 25
Question
A radioactive substance has a half-life of $10$ days. If you start with $200$ ounces, how much will remain after $30$ days?
Answer:
  • 25

Classifier: The text contains the metric unit "grams". According to the decision rules, any metric unit found anywhere in the text triggers at least the units_simple_conversion category.

Verifier: The text contains the metric unit "grams", which requires localization per the decision rules.

01JVJ7085W2Y7A0C9MMCFZAWXN Localize Spelling (AU-US)
Question
Use the cross method to factorise $x^2 + 4x + 3$. Write your answer in the form $(x+a)(x+b)$.
Options:
  • ({x}+3)({x}+1)
  • (x+1)(x+3)
Question
Use the cross method to factor $x^2 + 4x + 3$. Write your answer in the form $(x+a)(x+b)$.
Options:
  • ({x}+3)({x}+1)
  • (x+1)(x+3)

Classifier: Contains the AU spelling "factorise", which needs to be converted to "factorize" for US localization.

Verifier: Contains the AU spelling "factorise", which needs to be converted to "factorize" for US localization.

01JVM2N7B6MPPAVG8Y8F38Z4KX Localize Units (simple)
Multiple Choice
Which units are most appropriate for measuring a small amount of cooking oil in a recipe?
Options:
  • Millilitres or teaspoons
  • Cups or fluid ounces
  • Litres or gallons
  • Kilograms or pounds
Multiple Choice
Which units are most appropriate for measuring a small amount of cooking oil in a recipe?
Options:
  • Fluid ounces or teaspoons
  • Cups or fluid ounces
  • Gallons or liters
  • Pounds or ounces

Classifier: The text contains metric units ("Millilitres", "Litres", "Kilograms") with AU/UK spellings.

Verifier: The text contains metric units (Millilitres, Litres, Kilograms) with AU/UK spellings.

01JVM2N7B10JKJDTESCBVMXQN3 Localize Units (simple)
Multiple Choice
What units are typically used on road signs or maps to measure long distances between cities?
Options:
  • Litres or gallons
  • Kilometres or miles
  • Metres or yards
  • Centimetres or inches
Multiple Choice
What units are typically used on road signs or maps to measure long distances between cities?
Options:
  • Gallons
  • Miles
  • Yards
  • Inches

Classifier: The text contains multiple metric units ("Kilometres", "Metres", "Centimetres", "Litres") all using AU/UK spellings.

Verifier: The text contains multiple metric units (Kilometres, Metres, Centimetres, Litres) all using AU/UK spellings.

01JVM2N7B4BFZ96JX2H6J3F8E3 Localize Units (simple)
Multiple Choice
What units would a builder most commonly use to measure the length of a large room?
Options:
  • Centimetres or inches
  • Millilitres or cups
  • Kilometres or miles
  • Metres or feet or yards
Multiple Choice
What units would a builder most commonly use to measure the length of a large room?
Options:
  • Inches
  • Fluid ounces or cups
  • Miles
  • Feet or yards

Classifier: The text contains metric units ("Centimetres", "Kilometres", "Metres") with AU/UK spellings.

Verifier: The text contains metric units (Centimetres, Kilometres, Metres) with AU/UK spellings.

01JVM2N7B0DZ4MP5FQ838FG3WR Localize Units (simple)
Multiple Choice
Which list shows common liquid volume units in order from smallest to largest?
Options:
  • Litre, gallon, pint
  • Pint, gallon, litre
  • Pint, litre, gallon
  • Litre, pint, gallon
Multiple Choice
Which list shows common liquid volume units in order from smallest to largest?
Options:
  • Gallon, gallon, pint
  • Pint, gallon, gallon
  • Pint, gallon, gallon
  • Gallon, pint, gallon

Classifier: The text contains the metric unit "Litre", which uses AU/UK spelling and is a metric unit requiring localization/review in a US context.

Verifier: The text contains the metric unit "Litre" with AU/UK spelling.

01JVHFV5252C43GFETZFPHFKMV Localize Units (simple)
Question
A capsule-shaped object is made from a cylinder of radius $3$ cm and height $8$ cm, with a hemisphere of the same radius on each end. The total mass is $1.870$ kg. Find its density.
Answer:
  • 5.5
Question
A capsule-shaped object is made from a cylinder of radius $3$ in and height $8$ in, with a hemisphere of the same radius on each end. The total mass is $1.870$ lb. Find its density.
Answer:
  • 0.0

Classifier: The question contains multiple metric units (cm, kg, g/cm^3) which require localization to US customary units or at least classification as a units-based change.

Verifier: The question contains metric units (cm, kg, g/cm^3) which require localization for a US audience.

01JVM2N7AYWWS87S6GHBXNKMH9 Localize Units (simple)
Multiple Choice
Which of the following units of length is the longest?
Options:
  • A metre
  • A yard
  • A mile
  • A kilometre
Multiple Choice
Which of the following units of length is the longest?
Options:
  • A foot
  • A yard
  • A mile
  • An inch

Classifier: The text contains metric units ("metre", "kilometre") which require localization. Additionally, these use AU/UK spelling ("metre" vs "meter").

Verifier: The text contains metric units "metre" and "kilometre" which use AU/UK spelling and require localization to US units/spelling.

01JVHFV528V09PEHY8B2YYR0FC Localize Units (simple)
Question
An alloy is formed by mixing $1.25$ kg of Metal A, with a density of $7.5$ g/cm$^3$, and $500$ cm$^3$ of Metal B, with a density of $9.2$ g/cm$^3$. Assuming the total volume remains unchanged, calculate the density of the alloy.
Answer:
  • 8.78
Question
An alloy is formed by mixing $1.25$ lb of Metal A, with a density of $7.5$ lb/in$^3$, and $500$ in$^3$ of Metal B, with a density of $9.2$ lb/in$^3$. Assuming the total volume remains unchanged, calculate the density of the alloy.
Answer:
  • 8.78

Classifier: The question contains metric units (kg, g/cm^3, cm^3) which require localization.

Verifier: The question contains metric units (kg, g/cm^3, cm^3) which require localization.

01JVHFV5278RXEQZ9PYY2JNHNM Localize Units (simple)
Question
A rectangular prism has dimensions $x$ cm, $x$ cm, and $(x+4)$ cm. Its mass is $384$ g. If the density of the material is $3.0$ g/cm$^3$, find the value of $x$.
Answer:
  • 4
Question
A rectangular prism has dimensions $x$ in, $x$ in, and $(x+4)$ in. Its mass is $384$ oz. If the density of the material is $3.0$ oz/in$^3$, find the value of $x$.
Answer:
  • 4

Classifier: The question contains metric units (cm, g, g/cm^3) which require localization.

Verifier: The question contains metric units (cm, g, g/cm^3) which require localization.

01JVJ6TJEN4X1Q6W4R218MD3BZ Localize Units (simple)
Question
Mixture $X$ contains substances $P$, $Q$, and $R$ in a $3:4:2$ mass ratio. $180$ g of $X$ is prepared. Then, $45$ g of $P$ and $20$ g of $R$ are added. What is the new ratio of $Q$ to the total mass? Express your answer as a fraction in simplest form.
Answer:
  • \frac{16}{49}
Question
Mixture $X$ contains substances $P$, $Q$, and $R$ in a $3:4:2$ mass ratio. $180$ oz of $X$ is prepared. Then, $45$ oz of $P$ and $20$ oz of $R$ are added. What is the new ratio of $Q$ to the total mass? Express your answer as a fraction in simplest form.
Answer:
  • \frac{16}{49}

Classifier: The text contains metric units ("g" for grams). According to the decision rules, any metric unit found anywhere in the text requires classification into a units category.

Verifier: The text contains the metric unit "g" (grams) multiple times ("180 g", "45 g", "20 g"). According to rule 3, any metric unit requires at least RED.units_simple_conversion.

01JVJ7AJWR20KT7WJS9KP8KD9Q Localize Spelling (AU-US)
Multiple Choice
Factorise $x^2 + 6x + 8$ using the cross method.
Options:
  • $(x+2)(x-4)$
  • $(x+2)(x+4)$
  • $(x-2)(x+4)$
  • $(x-2)(x-4)$
Multiple Choice
Factor $x^2 + 6x + 8$ using the cross method.
Options:
  • $(x+2)(x-4)$
  • $(x+2)(x+4)$
  • $(x-2)(x+4)$
  • $(x-2)(x-4)$

Classifier: Contains the AU spelling "Factorise", which needs to be converted to the US spelling "Factorize".

Verifier: Contains the AU spelling "Factorise", which requires localization to "Factorize" for the US locale.

01JVM2N7C04SAB8Q4ZTR4J3RC9 Localize Terminology
Multiple Choice
Let $M = \{\text{letters in MATHS\}}$ and $N = \{\text{letters in STATS\}}$. What is $M \cap N$?
Options:
  • $\{S, T, A\}$
  • $\{M, A, T, H\}$
  • $\{T, A, H\}$
  • $\{S\}$
Multiple Choice
Let $M = \{\text{letters in MATH\}}$ and $N = \{\text{letters in STATS\}}$. What is $M \cap N$?
Options:
  • $\{T, A\}$
  • $\{M, A, T, H\}$
  • $\{T, A, H\}$
  • $\{A\}$

Classifier: The text uses the term "MATHS", which is the standard AU/UK term for the subject. In the US, this is localized to "MATH". Because the set elements are the letters of the word itself, this requires a terminology change that affects the mathematical logic of the set intersection.

Verifier: The text uses the term "MATHS", which is the standard AU/UK term for the subject. In the US, this is localized to "MATH". Because the set elements are the letters of the word itself, this requires a terminology change that affects the mathematical logic of the set intersection.

01JVMK5ATMEY3Z030ZFM5FW5V7 Localize Units (simple)
Multiple Choice
In an equilateral triangle $ABC$ with side length $10$ cm, the angle bisector from $A$ meets $BC$ at point $D$. What is the length of $BD$?
Options:
  • $2.5$ cm
  • $5$ cm
  • $10$ cm
  • $7.5$ cm
Multiple Choice
In an equilateral triangle $ABC$ with side length $10$ in, the angle bisector from $A$ meets $BC$ at point $D$. What is the length of $BD$?
Options:
  • $2.5$ in
  • $5$ in
  • $10$ in
  • $7.5$ in

Classifier: The text contains the metric unit "cm" (centimetres), which requires conversion to US customary units or a change in context for US localization.

Verifier: The text contains the metric unit "cm" (centimetres) in both the question and the answers, requiring conversion for US localization.

01JVJ7AJWEZQYSN0R2F26DVZF8 Localize Units (simple)
Multiple Choice
A delivery route has three segments. The first segment is $2.8$ km, the next is $1550$ m, and the last is $35000$ cm. What is the total length of the route in kilometres?
Options:
  • $470$ km
  • $47$ km
  • $4.7$ km
  • $4700$ km
Multiple Choice
A delivery route has three segments. The first segment is $2.8$ mi, the next is $1550$ ft, and the last is $35000$ in. What is the total length of the route in miles?
Options:
  • $470$ mi
  • $47$ mi
  • $4.7$ mi
  • $4700$ mi

Classifier: The question contains multiple metric units (km, m, cm) and the AU spelling 'kilometres'. Per decision rules, any metric unit requires at least simple conversion category.

Verifier: The question contains multiple metric units (km, m, cm) and the AU spelling 'kilometres'. Per decision rules, any metric unit requires at least simple conversion category.

01JVJ2GWQ4MEF66XT12GPG0V92 Localize Units (complex)
Multiple Choice
The function $h(t) = -4.9t^2 + 20t + 1.5$ describes the height of a projectile in metres, $t$ seconds after launch. What is the instantaneous rate of change of height at $t=2$ seconds?
Options:
  • $21.9 \text{ m/s}$
  • $0.4 \text{ m/s}$
  • $-19.6 \text{ m/s}$
  • $1.8 \text{ m/s}$
Multiple Choice
The function $h(t) = -16t^2 + 20t + 1.5$ describes the height of a projectile in feet, $t$ seconds after launch. What is the instantaneous rate of change of height at $t=2$ seconds?
Options:
  • $9.5 \text{ ft/s}$
  • $-44.0 \text{ ft/s}$
  • $-64.0 \text{ ft/s}$
  • $1.8 \text{ ft/s}$

Classifier: The text contains the AU spelling "metres" and the metric units "metres" and "m/s", which require conversion to US customary units (feet/meters) or at least spelling correction, but per rule 6, units conversion is the higher priority category.

Verifier: The question contains a physics equation $h(t) = -4.9t^2 + 20t + 1.5$ where the coefficient -4.9 is derived from the metric constant for gravity (9.8 m/s^2). Converting this to US Customary (feet) requires changing the formula coefficients (to -16t^2), which qualifies as RED.units_complex_converted per decision rule 4.

01JVJ7AY7K6AZV096V7AHX3N6G Localize Spelling (AU-US)
Multiple Choice
True or false: A perfect cube is a number you get by multiplying a whole number by itself three times. If a positive integer $N$ is a perfect cube, every exponent in its prime factorisation is a multiple of $3$.
Options:
  • True
  • False
Multiple Choice
True or false: A perfect cube is a number you get by multiplying a whole number by itself three times. If a positive integer $N$ is a perfect cube, every exponent in its prime factorization is a multiple of $3$.
Options:
  • True
  • False

Classifier: The text contains the AU spelling "factorisation", which requires conversion to the US spelling "factorization".

Verifier: The text contains "factorisation", which is the AU spelling. US English uses "factorization".

01JVPPE42A88N1E06M9HSJFMHZ Localize Terminology
Multiple Choice
True or false: $y=(x-2)^2+5$ is the turning point form of the quadratic equation $y=x^2-4x-1$ .
Options:
  • False
  • True
Multiple Choice
True or false: $y=(x-2)^2+5$ is the vertex form of the quadratic equation $y=x^2-4x-1$ .
Options:
  • False
  • True

Classifier: The term "turning point form" is the standard Australian/UK term for what is called "vertex form" in the United States.

Verifier: The term "turning point form" is the standard Australian/UK terminology for what is called "vertex form" in the US. This requires localization for a US audience.

01JVQ0CA5ZGZD0A31S584JFKA0 Review Review
Question
How many $50$c coins make $\$10.50$?
Answer:
  • 21
Question
How many $50$¢ coins make $\$10.50$?
Answer:
  • 21

Classifier: The question uses "50c" and "$10.50". While the dollar sign is shared, the "c" suffix for cents and the specific denominations (50c coin) are highly characteristic of the Australian currency system. Localization to US currency (quarters/dimes) or simply verifying if "50c" is acceptable in a US context is required. It does not fit neatly into spelling or units (metric).

Verifier: The use of "50c" (cents suffix) and the specific reference to a "50c coin" is a regional currency convention (AU/UK/NZ) that differs from US conventions (where "50-cent piece" or "half dollar" is used, and the 'c' suffix is rare in formal math problems compared to the dollar sign or 'cents' word). This falls under regional terminology/context.

01JVQ0CA6F93XVSY6J0VKBYQQW Localize Terminology
Question
The numbers $16$ and $30$ are the two shorter sides of a right-angled triangle. What is the length of the hypotenuse if these form a Pythagorean triple?
Answer:
  • 34
Question
The numbers $16$ and $30$ are the two shorter sides of a right triangle. What is the length of the hypotenuse if these form a Pythagorean triple?
Answer:
  • 34

Classifier: Contains the AU-specific term "right-angled triangle", which should be localized to "right triangle" for a US audience.

Verifier: The term "right-angled triangle" is the standard AU/UK term, whereas "right triangle" is the standard US term. This requires localization.

01JVPPE42M62MD4W1ZZRKH7HRD Localize Units (simple)
Multiple Choice
True or false: $0.005$ kL + $50000$ mL is greater than $0.1$ m$^3$.
Options:
  • True
  • False
Multiple Choice
True or false: $0.005$ gal + $50000$ fl oz is greater than $0.1$ ft$^3$.
Options:
  • True
  • False

Classifier: The question involves metric units of volume and capacity (kL, mL, m^3). These require localization/conversion for US curriculum alignment.

Verifier: The question involves metric units of volume and capacity (kL, mL, m^3), which requires localization for US curriculum alignment.

01JVPPE42M62MD4W1ZZRAE3PBD Localize Units (simple)
Multiple Choice
True or false: $350$ g $+ \ 1.2$ kg $+ \ 50000$ mg = $1.6$ kg
Options:
  • False
  • True
Multiple Choice
True or false: $350$ oz $+ \ 1.2$ lb $+ \ 50000$ mg = $1.6$ lb
Options:
  • False
  • True

Classifier: The question is entirely based on metric unit conversions (g, kg, mg). Per decision rules, any metric unit requires RED classification.

Verifier: The question is a direct comparison/addition of metric units (g, kg, mg), which requires localization to US customary units or a specific flag for metric-only content.

01JVMK685RZFR1GJSRW8XB9ZXY Localize Units (complex)
Question
The temperature of a liquid is given by $T(t) = T_s + (T_0 - T_s)\times 2.72^{-kt}$, where $T_s$ is the surrounding temperature as a constant. If $T_s=20^\circ C$, $T_0=100^\circ C$ and $k=0.1$ per minute, what is the temperature after 10 minutes?
Answer:
  • 49.4
Question
The temperature of a liquid is given by $T(t) = T_s + (T_0 - T_s)\times 2.72^{-kt}$, where $T_s$ is the surrounding temperature as a constant. If $T_s=20^\circ F$, $T_0=100^\circ F$ and $k=0.1$ per minute, what is the temperature after 10 minutes?
Answer:
  • 49.4

Classifier: The text contains metric units for temperature (degrees Celsius). Per the decision rules, the presence of metric units requires localization.

Verifier: The question contains a mathematical formula (Newton's Law of Cooling style) where the variables and constants are defined in metric units (degrees Celsius). Per rule 4, equations defining quantities in metric or requiring re-deriving formula coefficients should be classified as units_complex_converted.

01JW5QPTNTS9QYVD8H2MC7MQSV Localize Terminology
Question
For the parabola $y = -2x^2 + 8x - 3$, what is the product of the coordinates of the turning point?
Answer:
  • 10
Question
For the parabola $y = -2x^2 + 8x - 3$, what is the product of the coordinates of the vertex?
Answer:
  • 10

Classifier: The term "turning point" is standard AU/UK terminology for the vertex of a parabola. In a US context, "vertex" is the standard term.

Verifier: The term "turning point" is the standard Australian/British term for the "vertex" of a parabola. This requires localization for a US context.

01JVPPJRZN0WN1931GHY9XC84N Localize Terminology
Question
Express $y = \dfrac{1}{2}x^2 - 3x + \dfrac{5}{2}$ in turning point form $y = a(x - h)^2 + k$. What is the value of $h \times k$?
Answer:
  • -6
Question
Express $y = \dfrac{1}{2}x^2 - 3x + \dfrac{5}{2}$ in vertex form $y = a(x - h)^2 + k$. What is the value of $h \times k$?
Answer:
  • -6

Classifier: The term "turning point form" is the standard AU/UK terminology for what is called "vertex form" in the US. This requires localization to be consistent with US school context.

Verifier: The term "turning point form" is specific to AU/UK/NZ curricula; the US equivalent is "vertex form". This requires localization for the US context.

01JVQ0CA69QMC0GATGY86H47ZW Localize Units (simple)
Question
In a right-angled triangle, the side adjacent to angle $\theta$ is $4.5$ cm and the opposite side is $6.0$ cm. Calculate $\theta$ to the nearest degree.
Answer:
  • 53
Question
In a right triangle, the side adjacent to angle $\theta$ is $4.5$ in and the opposite side is $6.0$ in. Calculate $\theta$ to the nearest degree.
Answer:
  • 53

Classifier: The text contains both a metric unit ("cm") and AU-specific terminology ("right-angled triangle"). Per the decision rules, units conversion is the most impactful change.

Verifier: The text contains the metric unit "cm", which requires conversion for US localization. It also uses "right-angled triangle" (AU/UK) vs "right triangle" (US), but units conversion is the higher priority classification.

01JW5QPTMABJT4NDPQ29J75976 Localize Terminology
Question
Three items cost $\$2.35$, $\$1.90$, and $\$4.55$. A $\$20$ note is used to pay. How much is the change?
Answer:
  • 11.20
Question
Three items cost $\$2.35$, $\$1.90$, and $\$4.55$. A $\$20$ bill is used to pay. How much is the change?
Answer:
  • 11.20

Classifier: The term "note" in the context of currency ($20 note) is standard in AU/UK, whereas the US uses "bill" ($20 bill).

Verifier: The term "note" is used for currency ($20 note), which is standard in Australia/UK but would be "bill" in the US. This requires localization.

01JW5QPTNGT5TBD5ET79KBJ2D4 Localize Units (simple)
Question
A right-angled trapezium has parallel sides of length $10$ cm and $18$ cm. The perpendicular side is $x$ cm, and the other non-parallel side is $10$ cm. Find the area of the trapezium.
Answer:
  • 84
Question
A right trapezoid has parallel sides of length $10$ in and $18$ in. The perpendicular side is $x$ in, and the other non-parallel side is $10$ in. Find the area of the trapezoid.
Answer:
  • 84

Classifier: The text contains metric units ("cm") and AU-specific terminology ("trapezium" and "right-angled"). Per rule 6, units conversion is the primary classification. "Trapezium" maps to "trapezoid" and "right-angled" maps to "right".

Verifier: The text contains metric units ("cm") and AU-specific terminology ("trapezium" and "right-angled"). Per rule 5, units conversion is the primary classification.

01JW5QPTMDRW309R7H81B7XC9E Localize Terminology
Question
Items cost $\$1.10$, $\$0.90$, and $\$2.05$. A $\$5$ note is used to pay. How much is the change, rounded to the nearest $5$ cents?
Answer:
  • 0.95
Question
Items cost $\$1.10$, $\$0.90$, and $\$2.05$. A $\$5$ bill is used to pay. How much is the change, rounded to the nearest $5$ cents?
Answer:
  • 0.95

Classifier: Contains the term "note" for currency ($5 note), which should be "bill" in US English. Additionally, rounding to the nearest 5 cents is a specific pedagogical/practical context related to the removal of 1 and 2 cent coins in Australia, though the terminology "note" is the primary driver for localization here.

Verifier: The term "note" is used for currency ($5 note). Additionally, the instruction to round to the nearest 5 cents reflects Australian currency practice (where 1 and 2 cent coins are out of circulation), which is a school/pedagogical context difference from the US.

01JW5QPTNH6VX6KFDSRXMD7EHZ Localize Units (textual)
Question
What factor does the SI prefix ‘kilo-’ represent in terms like kilogram or kilometre?
Options:
  • 1000
  • 10^3
Question
What factor does the SI prefix ‘kilo-’ represent in terms like kilogram or kilometer?
Options:
  • 1000
  • 10^3

Classifier: The question refers to metric units ("kilogram", "kilometre") conceptually/descriptively to explain a prefix, rather than using them as measurements for a calculation. It also contains AU spelling "kilometre".

Verifier: The question refers to metric units ("kilogram", "kilometre") conceptually to explain a prefix. It also contains the AU spelling "kilometre".

01JW5QPTNH6VX6KFDSRTYE42VK Localize Units (simple)
Question
In rectangle $ABCD$, sides $AB$ and $CD$ are marked with a single dash, and sides $BC$ and $AD$ are marked with a double dash. If $AB = 10$ cm, what is the length of $CD$?
Answer:
  • 10
Question
In rectangle $ABCD$, sides $AB$ and $CD$ are marked with a single dash, and sides $BC$ and $AD$ are marked with a double dash. If $AB = 10$ in, what is the length of $CD$?
Answer:
  • 10

Classifier: The text contains the metric unit "cm".

Verifier: The text contains the metric unit "cm".

01JVPPE42C2YKQXXC3V3Z96Z4N Localize Terminology
Multiple Choice
Express $y = -\frac{1}{2}x^2 + 3x - \frac{7}{2}$ in turning point form.
Options:
  • $y=-\frac{1}{2}(x+3)^2+1$
  • $y=-\frac{1}{2}(x+3)^2+4$
  • $y=-\frac{1}{2}(x-3)^2-4$
  • $y = -\frac{1}{2}(x-3)^2+1$
Multiple Choice
Express $y = -\frac{1}{2}x^2 + 3x - \frac{7}{2}$ in vertex form.
Options:
  • $y=-\frac{1}{2}(x+3)^2+1$
  • $y=-\frac{1}{2}(x+3)^2+4$
  • $y=-\frac{1}{2}(x-3)^2-4$
  • $y = -\frac{1}{2}(x-3)^2+1$

Classifier: The term "turning point form" is used, which requires localization to "vertex form" for a US audience.

Verifier: The term "turning point form" is used, which is the Australian equivalent of the US "vertex form".

01JW5QPTNTS9QYVD8H2MNJY9FF Localize Terminology
Question
The parabola $y = 0.5x^2 + 2x + 7$ has a turning point $(h,k)$. Find $h+k$.
Answer:
  • 3
Question
The parabola $y = 0.5x^2 + 2x + 7$ has a vertex $(h,k)$. Find $h+k$.
Answer:
  • 3

Classifier: The term "turning point" is used to describe the vertex of the parabola, which requires localization to "vertex" for US audiences.

Verifier: The term "turning point" is used instead of the US standard "vertex".

01JW5QPTNDHHNQGZDWZF3XJCHP Localize Units (simple)
Question
A rhombus with diagonals $12$ cm and $16$ cm has an area of $96$ cm$^2$. What is the area of a kite with the same diagonal lengths as the rhombus?
Answer:
  • 96
Question
A rhombus with diagonals $12$ in and $16$ in has an area of $96$ in$^2$. What is the area of a kite with the same diagonal lengths as the rhombus?
Answer:
  • 96

Classifier: The text contains metric units ("cm" and "cm$^2$") which require conversion for US localization.

Verifier: The text contains metric units ("cm" and "cm$^2$") which require conversion for US localization.

01JW5QPTNV3GK9WG44596G3R6V Localize Terminology
Question
For the parabola $y = x^2 + 10x$, what is the sum of the coordinates of its turning point?
Answer:
  • -30
Question
For the parabola $y = x^2 + 10x$, what is the sum of the coordinates of its vertex?
Answer:
  • -30

Classifier: Contains "turning point", which is the AU term for "vertex".

Verifier: The term "turning point" is used instead of the US standard "vertex".

01JW5QPTNV3GK9WG445AWM2D54 Localize Terminology
Question
Find the turning point of $y = -x^2 + 5x$. Express numbers in decimal form.
Answer:
  • (2.5,6.25)
Question
Find the vertex of $y = -x^2 + 5x$. Express numbers in decimal form.
Answer:
  • (2.5,6.25)

Classifier: Contains "turning point", which should be localized to "vertex" in the US.

Verifier: The term "turning point" is used instead of the US standard "vertex".

01JW5QPTNZJWHHK0050TWMZ718 Localize Terminology
Question
A parabola has $x$-intercepts at $x=2$ and $x=6$. Find the $x$-coordinate of its turning point.
Answer:
  • 4
Question
A parabola has $x$-intercepts at $x=2$ and $x=6$. Find the $x$-coordinate of its vertex.
Answer:
  • 4

Classifier: The term "turning point" is used, which requires localization to "vertex" for US audiences.

Verifier: The term "turning point" is used, which is the AU/UK equivalent of the US term "vertex".

01JW5QPTNXTBAXRQ7VWG45R75Z Localize Terminology
Question
A parabola has its turning point at $(2, 3)$ and passes through the point $(0, 7)$. Find its equation in the form $y = a(x-h)^2+k$.
Answer:
  • (x-2)^2+3
Question
A parabola has its vertex at $(2, 3)$ and passes through the point $(0, 7)$. Find its equation in the form $y = a(x-h)^2+k$.
Answer:
  • (x-2)^2+3

Classifier: Contains "turning point", which is the AU term for "vertex".

Verifier: The term "turning point" is used instead of the US standard "vertex".

01JW5QPTNZJWHHK0050XAXTDK7 Localize Terminology
Question
The parabola $y = 3x(x-k)$ has its turning point at $x=2$. What is the value of $k$?
Answer:
  • 4
Question
The parabola $y = 3x(x-k)$ has its vertex at $x=2$. What is the value of $k$?
Answer:
  • 4

Classifier: The term "turning point" is used, which requires localization to "vertex" for US audiences.

Verifier: The term "turning point" is used, which is the AU/UK equivalent of the US term "vertex".

01JW5QPTNY0DDKJBGBF46DPK7T Localize Terminology
Question
The turning point of a parabola is $(h, k)$. The parabola passes through the point $(h - 3, k + 27)$. What is the value of $a$ in $y = a(x - h)^2 + k$?
Answer:
  • 3
Question
The vertex of a parabola is $(h, k)$. The parabola passes through the point $(h - 3, k + 27)$. What is the value of $a$ in $y = a(x - h)^2 + k$?
Answer:
  • 3

Classifier: Contains "turning point", which is the AU term for "vertex".

Verifier: The term "turning point" is used instead of the US standard "vertex".

01JW5QPTNY0DDKJBGBF6RME70T Localize Terminology
Question
The turning point of a parabola is $(h, k)$. The parabola passes through $(h+2, k+12)$. What is the value of $a$ in $y=a(x-h)^2+k$?
Answer:
  • 3
Question
The vertex of a parabola is $(h, k)$. The parabola passes through $(h+2, k+12)$. What is the value of $a$ in $y=a(x-h)^2+k$?
Answer:
  • 3

Classifier: The term "turning point" is standard AU/UK terminology for the vertex of a parabola. In a US context, "vertex" is the standard term.

Verifier: The term "turning point" is the standard Australian/British term for what is called the "vertex" in US mathematics. This requires localization.

01K0RMVPSJS067DY2XRTRN56DA Localize Units (simple)
Question
The roof of a gazebo is a hexagonal pyramid. The area of the hexagonal base is $42$ m$^2$ and the height of the roof is $3$ m. What is the volume of the roof?
Answer:
  • 42
Question
The roof of a gazebo is a hexagonal pyramid. The area of the hexagonal base is $42$ ft$^2$ and the height of the roof is $3$ ft. What is the volume of the roof?
Answer:
  • 42

Classifier: The text contains the metric unit "m", "m$^2$", and "m$^3$".

Verifier: The text contains metric units "m$^2$", "m", and "m$^3$". Heuristics failed to flag them, but they are present in the source text.

01K0RMY545F1HWZY0VB6MTSAS4 Localize Units (simple)
Question
Convert $25$ millilitres to cubic centimetres.
Answer:
  • 25
Question
Convert $25$ fluid ounces to cubic inches.
Answer:
  • 25

Classifier: The text contains metric units ("millilitres", "centimetres") and AU-specific spelling ("millilitres", "centimetres").

Verifier: The text contains metric units ("millilitres", "centimetres") and AU spelling ("millilitres", "centimetres").

01K0RMY544KYWARHGYBDFZD8R6 Localize Units (simple)
Question
A swimming pool has a capacity of $120$ kilolitres. How many litres is this?
Answer:
  • 120000
Question
A swimming pool has a capacity of $120$ kilogallons. How many gallons is this?
Answer:
  • 120000

Classifier: The text contains metric units ("kilolitres", "litres") and AU-specific spelling ("litres"). Per rule 6, units conversion is the most impactful change.

Verifier: The text contains metric units ("kilolitres", "litres") and AU spelling ("litres"). Per rule 5, units conversion is the most impactful change.

01K0RMY54829EQTTSGB46XQC1M Localize Units (simple)
Question
Convert $0.025$ cubic metres to millilitres.
Answer:
  • 25000
Question
Convert $0.025$ cubic feet to fluid ounces.
Answer:
  • 25000

Classifier: The text contains metric units ("metres", "millilitres") and AU-specific spelling ("metres", "millilitres").

Verifier: The text contains metric units ("metres", "millilitres") and AU spelling ("metres").

01K0RMY54390PNYWZFGJXQA7PR Localize Units (simple)
Question
Convert $3.75$ litres to millilitres.
Answer:
  • 3750
Question
Convert $3.75$ gallons to fluid ounces.
Answer:
  • 480

Classifier: Contains AU-specific spelling ("litres") and metric units ("litres", "millilitres", "mL").

Verifier: The question contains AU spelling ("litres") and metric units ("litres", "millilitres", "mL").

01K0RMVPT2WXFVHAA5WS394QKS Localize Units (simple)
Question
A rectangular prism has a square base with sides of $4$ cm. Its total surface area is $112$ cm$^2$. Find its height.
Answer:
  • 5
Question
A rectangular prism has a square base with sides of $4$ in. Its total surface area is $112$ in$^2$. Find its height.
Answer:
  • 5

Classifier: The text contains metric units ("cm", "cm$^2$") which require localization.

Verifier: The question contains metric units (cm, cm^2) which require localization. The math involves solving for a single dimension (height) given surface area and base side length, which is a simple numeric conversion.

01K0RMY54390PNYWZFGMY0QC65 Localize Units (simple)
Question
A container has a volume of $4500$ cm$^3$. What is its volume in litres?
Answer:
  • 4.5
Question
A container has a volume of $4500$ in$^3$. What is its volume in gallons?
Answer:
  • 4.5

Classifier: Contains AU-specific spelling ("litres") and metric units ("cm$^3$", "litres", "L").

Verifier: The question contains AU spelling ("litres") and metric units ("cm$^3$", "litres", "L").

01K0RMY5479RTN8VGRK5BCN9CS Localize Units (simple)
Question
Convert $500000$ mL to kilolitres.
Answer:
  • 0.5
Question
Convert $500000$ fl oz to gallons.
Answer:
  • 3906.3

Classifier: The text contains metric units ("mL", "kilolitres", "kL").

Verifier: The text contains metric units ("mL", "kilolitres", "kL").

01K0RMY546ZDXR77TDT9276BR3 Localize Units (simple)
Question
A large jug holds $2.25$ L. How many $250$ mL cups can be filled from the jug?
Answer:
  • 9
Question
A large jug holds $2.25$ gal. How many $250$ fl oz cups can be filled from the jug?
Answer:
  • 9

Classifier: The text contains metric units ("L", "mL"). Any metric unit requires localization.

Verifier: The text contains metric units ("L", "mL"). Any metric unit requires RED classification.

01K0RMY540HM4AYRCP1AYNZRR0 Localize Units (simple)
Question
Convert $1$ cubic metre to litres.
Answer:
  • 1000
Question
Convert $1$ cubic foot to gallons.
Answer:
  • 7

Classifier: Contains AU-specific spelling ("metre", "litres") and metric units.

Verifier: The question contains AU spelling ("metre", "litres") and metric units.

01JW5QPTPTD6WF9NWMK5PKSSQ7 Localize Units (simple)
Question
The mean height of $6$ children is $1.42$ m. A seventh child who is $1.55$ m tall joins the group. What is the new mean height of all $7$ children?
Answer:
  • 1.44
Question
The mean height of $6$ children is $1.42$ ft. A seventh child who is $1.55$ ft tall joins the group. What is the new mean height of all $7$ children?
Answer:
  • 1.44

Classifier: The text contains the metric unit "m" (metres) in both the content and the suffix field, which requires conversion for US localization.

Verifier: The question contains the metric unit "m" (metres) in the content and suffix, requiring conversion to US customary units.

01K0RMVPSHQPZJA3GPD8CEW7ZS Localize Units (simple)
Question
A square pyramid has a volume of $24$ cm$^3$. Its perpendicular height is equal to the length of its base side. Find the height of the pyramid.
Answer:
  • 4.16
Question
A square pyramid has a volume of $24$ in$^3$. Its perpendicular height is equal to the length of its base side. Find the height of the pyramid.
Answer:
  • 4.16

Classifier: The text contains the metric unit "cm" and "cm$^3$".

Verifier: The text contains metric units "cm$^3$" and "cm".

01K0RMY53XJ5XQ65CCAZ0THE7V Localize Units (simple)
Question
Convert $2$ litres to millilitres.
Answer:
  • 2000
Question
Convert $2$ gallons to fluid ounces.
Answer:
  • 256

Classifier: Contains both AU-specific spelling ("litres") and metric units ("litres", "millilitres", "mL"). Units conversion/localization is the higher priority change.

Verifier: The question contains AU spelling ("litres") and metric units ("litres", "millilitres", "mL"). Per rule 5, units conversion is the primary classification.

01K0RMY542X6KW1BG67B01EY8H Localize Units (simple)
Question
Convert $1.5$ kL to L.
Answer:
  • 1500
Question
Convert $1.5$ gal to fl oz.
Answer:
  • 192

Classifier: Contains metric unit abbreviations ("kL", "L"). Even though no AU-specific spelling is present, the presence of metric units requires localization.

Verifier: The question contains metric unit abbreviations ("kL", "L") which require localization.

01K0RMVPT03H53P0TEJHPSAAE7 Localize Units (simple)
Question
An open-topped box in the shape of a rectangular prism has a length of $12$ cm, a width of $10$ cm, and a height of $5$ cm. Find its total surface area.
Answer:
  • 340
Question
An open-topped box in the shape of a rectangular prism has a length of $12$ in, a width of $10$ in, and a height of $5$ in. Find its total surface area.
Answer:
  • 340

Classifier: The text contains metric units ("cm", "cm$^2$") which require localization to US customary units or a decision on metric usage in US curriculum. Per rule 1, any metric unit disqualifies GREEN.

Verifier: The question contains metric units (cm, cm^2) which require localization to US customary units. The calculation is a simple surface area calculation with a single numeric answer, fitting simple conversion.

01K0RMY541PZ5ATD2ASD0XT01W Localize Units (simple)
Question
How many millilitres are in $1$ cubic centimetre?
Answer:
  • 1
Question
How many fluid ounces are in $1$ cubic inch?
Answer:
  • 1

Classifier: Contains metric units ("millilitres", "centimetre", "mL").

Verifier: The question contains metric units ("millilitres", "centimetre", "mL") which require localization.

01JW5QPTPH7QBNPE07HF8KMNAF Localize Units (simple)
Question
The area of a segment of a circle is $A_{seg}$. The area of the corresponding sector is $A_{sec}$, and the area of the triangle formed by the radii and the chord is $A_{tri}$. If $A_{sec} = 2 A_{tri}$ and $A_{tri} = 25 \text{ cm}^2$, what is $A_{seg}$?
Answer:
  • 25
Question
The area of a segment of a circle is $A_{seg}$. The area of the corresponding sector is $A_{sec}$, and the area of the triangle formed by the radii and the chord is $A_{tri}$. If $A_{sec} = 2 A_{tri}$ and $A_{tri} = 25 \text{ in}^2$, what is $A_{seg}$?
Answer:
  • 25

Classifier: The text contains the metric unit "cm" and "cm^2", which requires conversion for US localization.

Verifier: The text contains the metric unit "cm" and "cm^2", which requires conversion for US localization.

01JW5QPTPH7QBNPE07HJW1TP9M Localize Units (simple)
Question
The area of a minor segment of a circle is $\left ( \dfrac{25\pi}{6} - \dfrac{25\sqrt{3}}{4} \right)$ cm$^2$. The central angle $\theta$, subtended by the chord of this segment, is $60^\circ$. What is the radius $r$ of the circle?
Answer:
  • 5
Question
The area of a minor segment of a circle is $\left ( \dfrac{25\pi}{6} - \dfrac{25\sqrt{3}}{4} \right)$ in$^2$. The central angle $\theta$, subtended by the chord of this segment, is $60^\circ$. What is the radius $r$ of the circle?
Answer:
  • 5

Classifier: The text contains the metric units "cm^2" and "cm", which require conversion for US localization.

Verifier: The text contains the metric units "cm^2" and "cm", which require conversion for US localization.

01K0RMY54991JHG1S5Y8JDG8QS Localize Units (simple)
Question
A fish tank has dimensions $80$ cm $\times$ $50$ cm $\times$ $40$ cm. What is its volume in litres?
Answer:
  • 160
Question
A fish tank has dimensions $80$ in $\times$ $50$ in $\times$ $40$ in. What is its volume in gallons?
Answer:
  • 160

Classifier: The text contains metric units ("cm", "litres").

Verifier: The text contains metric units ("cm", "litres") and AU spelling ("litres").

01JW5RGMEHNHG353823HGS38KF Localize Terminology
Multiple Choice
The equation $px - qy = r$ is given, where $p$, $q$, and $r$ are non-zero, and $q \ne 0$. Which of the following shows this equation in gradient-intercept form?
Options:
  • $y = \dfrac{q}{p}x - \dfrac{r}{p}$
  • $y = \dfrac{r - px}{q}$
  • $y = \dfrac{r}{q}x - \dfrac{p}{q}$
  • $y = \dfrac{p}{q}x - \dfrac{r}{q}$
Multiple Choice
The equation $px - qy = r$ is given, where $p$, $q$, and $r$ are non-zero, and $q \ne 0$. Which of the following shows this equation in slope-intercept form?
Options:
  • $y = \dfrac{q}{p}x - \dfrac{r}{p}$
  • $y = \dfrac{r - px}{q}$
  • $y = \dfrac{r}{q}x - \dfrac{p}{q}$
  • $y = \dfrac{p}{q}x - \dfrac{r}{q}$

Classifier: The term "gradient-intercept form" is the standard AU term for what is known as "slope-intercept form" in the US. This requires terminology localization.

Verifier: The term "gradient-intercept form" is the standard Australian curriculum term for what is called "slope-intercept form" in the US. This is a clear terminology localization requirement.

01K0RMY54WWYC6F1Z65F5TBF96 Localize Terminology
Question
A line is parallel to the $x$-axis. What is its gradient?
Answer:
  • 0
Question
A line is parallel to the $x$-axis. What is its slope?
Answer:
  • 0

Classifier: The term "gradient" is standard in AU/UK school mathematics to refer to the steepness of a line, whereas US curriculum consistently uses "slope".

Verifier: The term "gradient" is the standard AU/UK term for "slope" in a school mathematics context.

01K0RMY54XBVPGJD20G3D3PPP2 Localize Terminology
Question
Find the gradient of a line parallel to $3x + y = 6$.
Answer:
  • -3
Question
Find the slope of a line parallel to $3x + y = 6$.
Answer:
  • -3

Classifier: The term "gradient" is used, which requires localization to "slope" for the US market.

Verifier: The term "gradient" is the standard AU/UK term for "slope" in a school mathematics context.

01K0RMY54AF6P8DEEA04GYK91J Localize Units (simple)
Question
A box has a volume of $2$ m$^3$. How many smaller boxes with a volume of $4000$ cm$^3$ can fit inside it?
Answer:
  • 500
Question
A box has a volume of $2$ ft$^3$. How many smaller boxes with a volume of $4000$ in$^3$ can fit inside it?
Answer:
  • 500

Classifier: The text contains metric units ("m", "cm").

Verifier: The text contains metric units ("m$^3$", "cm$^3$").

01K0RMY54991JHG1S5Y8ZXS3D2 Localize Units (simple)
Question
Convert $1.5$ kilolitres to cubic centimetres.
Answer:
  • 1500000
Question
Convert $1.5$ gallons to cubic inches.
Answer:
  • 346.5

Classifier: The text contains metric units ("kilolitres", "centimetres").

Verifier: The text contains metric units ("kilolitres", "centimetres") and AU spelling ("centimetres").

01K0RMY54BKTR0FKV14T9VD417 Localize Units (simple)
Question
A rectangular prism-shaped container measures $0.5$ m by $20$ cm by $100$ mm. Calculate its volume in litres.
Answer:
  • 10
Question
A rectangular prism-shaped container measures $0.5$ ft by $20$ in by $100$ in. Calculate its volume in gallons.
Answer:
  • 10

Classifier: The text contains metric units ("m", "cm", "mm", "litres").

Verifier: The text contains metric units ("m", "cm", "mm", "litres") and AU spelling ("litres").

01K0RMY5527RE7W5W2XNC6C547 Localize Terminology
Question
Anna has $12$ sweets and eats $5$. Write a number sentence to show how many sweets she has left.
Answer:
  • 12-5
Question
Anna has $12$ pieces of candy and eats $5$. Write a number sentence to show how many pieces of candy she has left.
Answer:
  • 12-5

Classifier: The term "sweets" is highly characteristic of AU/UK English; the US equivalent is "candies". Additionally, "number sentence" is a pedagogical term that, while used in the US, often maps to "equation" or "expression" depending on the specific grade level and standard, but "sweets" is the primary localization trigger.

Verifier: The term "sweets" is a British/Australian term for "candy" or "candies".

01K94XMXR1GFSXNQANQA0EWSTV Localize Units (simple)
Question
An equilateral triangle has a perimeter of $36$ cm. If the perpendicular height of the triangle is $10.4$ cm, what is its area?
Answer:
  • 62.4
Question
An equilateral triangle has a perimeter of $36$ in. If the perpendicular height of the triangle is $10.4$ in, what is its area?
Answer:
  • 62.4

Classifier: The text contains metric units ("cm" and "cm^2") which require conversion for US localization.

Verifier: The question contains metric units ("cm" and "cm^2") which require conversion for US localization. It is a simple conversion as it involves a basic geometric area calculation.

01K94XMXRFXE3ME6D3H5KV2VBD Localize Terminology
Question
A parabola has its vertex at $(4, 5)$ and passes through the point $(6, -3)$. What is its equation in turning point form?
Answer:
  • -2(x - 4)^2 + 5
Question
A parabola has its vertex at $(4, 5)$ and passes through the point $(6, -3)$. What is its equation in vertex form?
Answer:
  • -2(x - 4)^2 + 5

Classifier: The term "turning point form" is the standard AU/UK term for what is called "vertex form" in US curriculum.

Verifier: The term "turning point form" is a specific AU/UK curriculum term for what is known as "vertex form" in the US.

01K94XMXSZGAD7K2TQMREEZ9DX Localize Terminology
Question
A pie chart shows students' favourite subjects. 'Maths' represents $25\%$ and 'Science' represents $20\%$. If there are $15$ more students who prefer Maths over Science, what is the total number of students surveyed?
Answer:
  • 300
Question
A pie chart shows students' favorite subjects. 'Math' represents $25\%$ and 'Science' represents $20\%$. If there are $15$ more students who prefer Math over Science, what is the total number of students surveyed?
Answer:
  • 300

Classifier: Contains the term 'Maths' and 'favourite'. 'Maths' is the standard AU/UK term for the US 'Math'. 'Favourite' is the AU spelling for 'favorite'. Per decision rules, terminology/spelling requires RED classification.

Verifier: The text contains 'favourite' (AU spelling) and 'Maths' (AU terminology). Per rule 5, terminology is the more impactful change.

01K94XMXSAV78XBX04518RZPPQ Localize Units (simple)
Question
A rectangular garden has a length that is $3$ metres longer than its width. If the area of the garden is $50$ m$^2$, what is its width?
Answer:
  • 5.73
Question
A rectangular garden has a length that is $3$ feet longer than its width. If the area of the garden is $50$ ft$^2$, what is its width?
Answer:
  • 5.73

Classifier: The text contains the metric unit "metres" (AU spelling) and "m^2". Per the decision rules, any metric unit requires at least this category.

Verifier: The text contains the metric unit "metres" (AU spelling) and "m^2". Per rule 1 and 3, metric units and AU spelling require RED classification. Simple conversion is appropriate as it is a basic area/length problem.

01K9CJKKY648M8JNEJYKJ9V5T8 Localize Spelling (AU-US)
Question
How can you confirm a shape has been rotated $90^\circ$ clockwise around a specific point?
Answer:
  • Trace the shape and the centre of rotation on tracing paper. Pin it at the centre and turn it $90^\circ$ clockwise. If it matches the new shape, the rotation is confirmed.
Question
How can you confirm a shape has been rotated $90^\circ$ clockwise around a specific point?
Answer:
  • Trace the shape and the center of rotation on tracing paper. Pin it at the center and turn it $90^\circ$ clockwise. If it matches the new shape, the rotation is confirmed.

Classifier: The answer text contains the AU spelling "centre" twice, which requires conversion to the US spelling "center".

Verifier: The answer text contains the AU spelling "centre" twice, which requires localization to the US spelling "center".

01K94WPKW8SKGEY1ZRCYM4AVN0 Localize Terminology
Multiple Choice
What are the equations of the vertical and horizontal asymptotes for the truncus $y = \frac{2}{(x-5)^2} + 3$?
Options:
  • $x=5, y=-3$
  • $x=2, y=3$
  • $x=-5, y=3$
  • $x=5,y=3$
Multiple Choice
What are the equations of the vertical and horizontal asymptotes for the function $y = \frac{2}{(x-5)^2} + 3$?
Options:
  • $x=5, y=-3$
  • $x=2, y=3$
  • $x=-5, y=3$
  • $x=5,y=3$

Classifier: The term "truncus" is a specific term used in the Australian (specifically Victorian VCE) curriculum to describe a functional graph of the form y=a/(x-h)^2 + k. In the US, this is typically referred to as a "rational function" or described by its equation without a specific name like "truncus".

Verifier: The term "truncus" is specific to the Australian (specifically Victorian VCE) curriculum and is not standard terminology in other locales like the US.

01K94WPKQTPDYHPDRSEQEBFREN Localize Units (simple)
Multiple Choice
Calculate the sum of $15.24$ cm, $0.51$ cm, and $102.1$ cm. Express the answer to the correct number of significant figures.
Options:
  • $120$ cm
  • $118$ cm
  • $117.9$ cm
  • $117.8$ cm
Multiple Choice
Calculate the sum of $15.24$ in, $0.51$ in, and $102.1$ in. Express the answer to the correct number of significant figures.
Options:
  • $120$ in
  • $118$ in
  • $117.9$ in
  • $117.8$ in

Classifier: The text contains the metric unit "cm" (centimetres/centimeters), which requires localization to US customary units.

Verifier: The text contains the metric unit "cm" (centimetres), which requires localization to US customary units (e.g., inches).

01K94WPKSFSXWCEWXC360XQTC3 Localize Units (simple)
Multiple Choice
A solid cylinder has a total surface area of $130\pi$ m$^2$ and a radius of $5$ m. What is its height in metres?
Options:
  • $6$ m
  • $12$ m
  • $10$ m
  • $8$ m
Multiple Choice
A solid cylinder has a total surface area of $130\pi$ ft$^2$ and a radius of $5$ ft. What is its height in feet?
Options:
  • $6$ ft
  • $12$ ft
  • $10$ ft
  • $8$ ft

Classifier: The text contains the metric unit "metres" (and its abbreviation "m"), which requires conversion to US customary units or at least spelling localization. Per rule 1, any metric unit prevents GREEN classification. Per rule 6, units conversion is the highest priority RED category.

Verifier: The text contains the metric unit "metres" and "m", which requires conversion to US customary units. The conversion is a simple numeric change based on the surface area formula.

01K94WPKV70A3YKR05T033QTSK Localize Terminology
Multiple Choice
The graph of $y=a(x-h)^4+k$ has a turning point at $(-3, 5)$ and opens downwards. Which of the following could be its equation?
Options:
  • $y=2(x-3)^4+5$
  • $y=-2(x+3)^4+5$
  • $y=2(x+3)^4+5$
  • $y=-2(x-3)^4+5$
Multiple Choice
The graph of $y=a(x-h)^4+k$ has a vertex at $(-3, 5)$ and opens downward. Which of the following could be its equation?
Options:
  • $y=2(x-3)^4+5$
  • $y=-2(x+3)^4+5$
  • $y=2(x+3)^4+5$
  • $y=-2(x-3)^4+5$

Classifier: The term "turning point" is standard in AU/UK curricula for the vertex of a parabola or higher-order polynomial. In a US context, "vertex" is the standard term.

Verifier: The term "turning point" is the standard AU/UK term for what is typically called the "vertex" in US curricula. This requires localization for the US market.

01K94WPKT5P7CS27RYYCW20ZZE Localize Spelling (AU-US)
Multiple Choice
Circle A has the equation $(x - 2)^2 + (y + 3)^2 = 16$. Circle B has the same centre as Circle A, but its radius is half as large. What is the equation of Circle B?
Options:
  • $(x - 2)^2 + (y + 3)^2 = 8$
  • $(x - 2)^2 + (y + 3)^2 = 32$
  • $(x - 2)^2 + (y + 3)^2 = 4$
  • $(x + 2)^2 + (y - 3)^2 = 8$
Multiple Choice
Circle A has the equation $(x - 2)^2 + (y + 3)^2 = 16$. Circle B has the same center as Circle A, but its radius is half as large. What is the equation of Circle B?
Options:
  • $(x - 2)^2 + (y + 3)^2 = 8$
  • $(x - 2)^2 + (y + 3)^2 = 32$
  • $(x - 2)^2 + (y + 3)^2 = 4$
  • $(x + 2)^2 + (y - 3)^2 = 8$

Classifier: Contains the AU spelling "centre", which needs to be localized to the US spelling "center".

Verifier: Contains the AU spelling "centre", which needs to be localized to the US spelling "center".

01K9CJKKYFEXB42G1EQAY0Z2W2 Localize Terminology
Question
Using a right-angled triangle, explain why $\sin(\theta) = \cos(90^\circ - \theta)$.
Answer:
  • In a right triangle, the side opposite angle $\theta$ is the same side that is adjacent to its complementary angle, $90^\circ - \theta$. Thus, their trigonometric ratios are equal.
Question
Using a right triangle, explain why $\sin(\theta) = \cos(90^\circ - \theta)$.
Answer:
  • In a right triangle, the side opposite angle $\theta$ is the same side that is adjacent to its complementary angle, $90^\circ - \theta$. Thus, their trigonometric ratios are equal.

Classifier: Contains the AU-specific term "right-angled triangle", which should be localized to "right triangle" for a US audience.

Verifier: The term "right-angled triangle" is the standard AU/UK term, whereas "right triangle" is the standard US term. This requires localization.

01K94WPKT895RAHVAE791RQ487 Localize Spelling (AU-US)
Multiple Choice
Circle M has the equation $(x + 6)^2 + (y - 2)^2 = 81$. Circle N has the same radius as Circle M but its centre is shifted $4$ units right and $3$ units up. What is the equation of Circle N?
Options:
  • $(x + 2)^2 + (y - 5)^2 = 81$
  • $(x +10)^2 + (y +1)^2 = 81$
  • $(x + 2)^2 + (y + 1)^2 = 81$
  • $(x + 10)^2 + (y - 5)^2 = 81$
Multiple Choice
Circle M has the equation $(x + 6)^2 + (y - 2)^2 = 81$. Circle N has the same radius as Circle M but its center is shifted $4$ units right and $3$ units up. What is the equation of Circle N?
Options:
  • $(x + 2)^2 + (y - 5)^2 = 81$
  • $(x +10)^2 + (y +1)^2 = 81$
  • $(x + 2)^2 + (y + 1)^2 = 81$
  • $(x + 10)^2 + (y - 5)^2 = 81$

Classifier: The text contains the AU spelling "centre", which needs to be localized to the US spelling "center".

Verifier: The text contains "centre", which is the AU/British spelling. Per rule 1, this requires RED classification.

01K94WPKR59BNKS5D970M6V8V0 Localize Units (simple)
Multiple Choice
The temperature in a city was $-5^\circ\text{C}$ in the morning. It rose by $12^\circ\text{C}$ by noon, then dropped by $9^\circ\text{C}$ by evening. What was the evening temperature?
Options:
  • $26^\circ C$
  • $8^\circ C$
  • $-16^\circ C$
  • $-2^\circ C$
Multiple Choice
The temperature in a city was $-5^\circ\text{F}$ in the morning. It rose by $12^\circ\text{F}$ by noon, then dropped by $9^\circ\text{F}$ by evening. What was the evening temperature?
Options:
  • $26^\circ F$
  • $8^\circ F$
  • $-16^\circ F$
  • $-2^\circ F$

Classifier: The text contains metric temperature units (degrees Celsius), which requires conversion to Fahrenheit for US localization.

Verifier: The question contains temperature in degrees Celsius ($^\circ\text{C}$), which is a metric unit requiring conversion to Fahrenheit for US localization. The conversion is a simple numeric change in a word problem context.

01K94WPKSW7ZND3MRYKG4AEXKF Localize Units (simple)
Multiple Choice
In a right triangle, one leg is $7$ cm shorter than the other leg, and the hypotenuse is $13$ cm. If $x$ represents the longer leg, which equation could be used to solve for $x$?
Options:
  • $x^2 + (x-7)^2 = 13^2$
  • $x^2 + (x+7)^2 = 13^2$
  • $7^2 + 13^2 = x^2$
  • $x^2 + 13^2 = (x-7)^2$
Multiple Choice
In a right triangle, one leg is $7$ in shorter than the other leg, and the hypotenuse is $13$ in. If $x$ represents the longer leg, which equation could be used to solve for $x$?
Options:
  • $x^2 + (x-7)^2 = 13^2$
  • $x^2 + (x+7)^2 = 13^2$
  • $7^2 + 13^2 = x^2$
  • $x^2 + 13^2 = (x-7)^2$

Classifier: The text contains the metric unit "cm" (centimetres), which requires conversion to US customary units (inches) for localization.

Verifier: The text contains the metric unit "cm" (centimetres), which requires conversion. It is a simple conversion as the units are used as labels for side lengths in a standard Pythagorean theorem setup.

01K9CJKKZX1JC9CYDSNA58S8EX Localize Spelling (AU-US)
Question
When would you choose a histogram over a bar chart to display data?
Answer:
  • Use a histogram for continuous numerical data that is grouped into intervals (e.g., height). Use a bar chart for discrete or categorical data (e.g., favourite colour).
Question
When would you choose a histogram over a bar chart to display data?
Answer:
  • Use a histogram for continuous numerical data that is grouped into intervals (e.g., height). Use a bar chart for discrete or categorical data (e.g., favorite color).

Classifier: The answer contains the AU/UK spelling "favourite colour", which requires localization to US spelling "favorite color".

Verifier: The answer contains "favourite colour", which is AU/UK spelling and requires localization to US "favorite color".

01K9CJV85XDD878ZTR37KWD9Z3 Localize Spelling (AU-US)
Question
Why do consecutive sequences naturally form pairs that balance each other, regardless of the actual numbers involved?
Answer:
  • A constant step size forces the terms to sit symmetrically around a centre, so opposite terms always combine predictably.
Question
Why do consecutive sequences naturally form pairs that balance each other, regardless of the actual numbers involved?
Answer:
  • A constant step size forces the terms to sit symmetrically around a center, so opposite terms always combine predictably.

Classifier: The answer contains the AU spelling "centre", which needs to be converted to the US spelling "center".

Verifier: The answer contains the AU spelling "centre", which requires localization to the US spelling "center".

01K9CJV86RH9BRH4NBFYHZTW96 Localize Spelling (AU-US)
Question
Why does the cross method work for factorising a quadratic like $ax^2+bx+c$?
Answer:
  • Because the middle term $b$ comes from adding the two cross-products when you expand brackets, so the method finds numbers whose cross-products add to $b$.
Question
Why does the cross method work for factoring a quadratic like $ax^2+bx+c$?
Answer:
  • Because the middle term $b$ comes from adding the two cross-products when you expand parentheses, so the method finds numbers whose cross-products add to $b$.

Classifier: The text contains the AU spelling "factorising", which needs to be converted to the US spelling "factorizing".

Verifier: The text contains the AU spelling "factorising", which requires localization to "factorizing".

01K9CJV867NKEXV0XTE729MVEZ Localize Terminology
Question
In any right-angled triangle, why is the sine of one acute angle equal to the cosine of the other?
Answer:
  • The side that is 'opposite' one acute angle is, by definition, the side that is 'adjacent' to the other complementary angle. This makes their ratios, $\sin = \frac{O}{H}$ and $\cos = \frac{A}{H}$, equal.
Question
In any right triangle, why is the sine of one acute angle equal to the cosine of the other?
Answer:
  • The side that is 'opposite' one acute angle is, by definition, the side that is 'adjacent' to the other complementary angle. This makes their ratios, $\sin = \frac{O}{H}$ and $\cos = \frac{A}{H}$, equal.

Classifier: The term "right-angled triangle" is the standard AU/UK term. The US equivalent is "right triangle".

Verifier: The term "right-angled triangle" is the standard AU/UK term, whereas the US uses "right triangle". This is a terminology difference requiring localization.

01K9CJKKZ43R7CA6TCGWHX0DD4 Localize Spelling (AU-US)
Question
When trying to factorise $2x^3 - 5x^2 + x + 2$, what values should you test as possible rational roots?
Answer:
  • The Rational Root Theorem states that possible rational roots are $\frac{p}{q}$, where $p$ divides the constant term ($2$) and $q$ divides the leading coefficient ($2$). So, $p = \pm1, \pm2$ and $q = \pm1, \pm2$. Possible roots are $\pm1, \pm2, \pm\frac{1}{2}$.
Question
When trying to factor $2x^3 - 5x^2 + x + 2$, what values should you test as possible rational roots?
Answer:
  • The Rational Root Theorem states that possible rational roots are $\frac{p}{q}$, where $p$ divides the constant term ($2$) and $q$ divides the leading coefficient ($2$). So, $p = \pm1, \pm2$ and $q = \pm1, \pm2$. Possible roots are $\pm1, \pm2, \pm\frac{1}{2}$.

Classifier: Contains the AU spelling "factorise", which needs to be converted to the US spelling "factorize".

Verifier: Contains the AU spelling "factorise", which requires conversion to US spelling "factorize".

01K9CJV86Y07XR57ZKQPV5AQ9N Localize Spelling (AU-US)
Question
What makes the form $y=a(x-h)^3+k$ useful for graphing cubics?
Answer:
  • It explicitly states the location of the point of inflection, $(h,k)$, which acts as the graph's centre of rotational symmetry.
Question
What makes the form $y=a(x-h)^3+k$ useful for graphing cubics?
Answer:
  • It explicitly states the location of the point of inflection, $(h,k)$, which acts as the graph's center of rotational symmetry.

Classifier: The answer contains the AU spelling 'centre', which requires localization to the US spelling 'center'.

Verifier: The answer contains the AU spelling "centre", which requires localization to "center" for the US market.

01K9CJV87CR0DKJXM3VZA6TJMG Localize Spelling (AU-US)
Question
What does the line of best fit represent in bivariate data?
Answer:
  • It shows the overall trend between the two variables. The line that best captures the pattern by minimising the total distance from the data points.
Question
What does the line of best fit represent in bivariate data?
Answer:
  • It shows the overall trend between the two variables. The line that best captures the pattern by minimizing the total distance from the data points.

Classifier: The answer text contains the AU spelling "minimising", which requires conversion to the US spelling "minimizing".

Verifier: The answer text contains "minimising", which is the AU/UK spelling. US English uses "minimizing".

12767c89-5fd9-4315-b4ff-4edbf637d58e Localize Units (textual)
Question
Why do we need different units to measure weight?
Answer:
  • Small objects are easier to measure in grams, and heavy objects are easier to measure in kilograms. Different units help us measure accurately.
Question
Why do we need different units to measure weight?
Answer:
  • Small objects are easier to measure in ounces, and heavy objects are easier to measure in pounds. Different units help us measure accurately.

Classifier: The text explicitly mentions metric units ("grams", "kilograms") in a descriptive/conceptual context regarding measurement. Per decision rules, any metric unit requires RED classification.

Verifier: The text contains metric units "grams" and "kilograms". Even in a conceptual context, the presence of metric units requires RED classification.

17c12875-49b5-45dd-a055-67dbd5fca574 Localize Spelling (AU-US)
Question
Why must we know the data type before we look at the data?
Answer:
  • So we can organise and compare it correctly.
Question
Why must we know the data type before we look at the data?
Answer:
  • So we can organize and compare it correctly.

Classifier: The answer contains the AU spelling "organise", which needs to be converted to the US spelling "organize".

Verifier: The answer contains the AU spelling "organise", which requires localization to "organize".

1NpzMbjPnfrLVv6lokbc Localize Terminology
Multiple Choice
What are the two parts of an angle called?
Options:
  • The corners
  • The base and the height
  • The vertex and the arms
  • The sides
Multiple Choice
What are the two parts of an angle called?
Options:
  • The corners
  • The base and the height
  • The vertex and the sides
  • The rays

Classifier: The term "arms" of an angle is standard AU/UK terminology; in the US, these are almost exclusively referred to as "sides" of an angle.

Verifier: The term "arms" of an angle is specific to AU/UK pedagogy; US curriculum uses "sides".

0adce98c-644f-49e3-8f1d-ef9dd6fa4714 Localize Units (simple)
Question
Why do we multiply by $1000$ when changing cubic metres into litres?
Answer:
  • We multiply by $1000$ because $1$ cubic metre holds $1000$ litres.
Question
Why do we multiply by $7.48$ when changing cubic feet into gallons?
Answer:
  • We multiply by $7.48$ because $1$ cubic foot holds $7.48$ gallons.

Classifier: The text contains metric units ("cubic metres", "litres") and AU-specific spellings ("metres", "litres"). Per the decision rules, any metric unit requires at least simple conversion classification.

Verifier: The text contains metric units ("cubic metres", "litres") and AU-specific spellings ("metres", "litres"). This requires conversion to US customary units (e.g., cubic feet/gallons) for the US locale.

06402f57-3b96-439c-b9d3-1b0b640e9c64 Localize Terminology
Question
What makes substituting $x = \frac{-b}{2a}$ into $y = ax^2 + bx + c$ find the turning point?
Answer:
  • Substituting $x = \frac{-b}{2a}$ into $y = ax^2 + bx + c$ finds the turning point by calculating the corresponding $y$ value.
Question
What makes substituting $x = \frac{-b}{2a}$ into $y = ax^2 + bx + c$ find the vertex?
Answer:
  • Substituting $x = \frac{-b}{2a}$ into $y = ax^2 + bx + c$ finds the vertex by calculating the corresponding $y$ value.

Classifier: The term "turning point" is standard AU terminology for the vertex of a parabola. In a US context, "vertex" is the required term.

Verifier: The term "turning point" is the standard AU curriculum term for the vertex of a parabola, whereas "vertex" is the standard US term. This requires localization for school context.

144d5dba-dfef-4a2e-9904-6f6e9aef584c Localize Spelling (AU-US)
Question
Why is organising data into frequency tables useful for solving real-world problems like surveys?
Hint: Consider how frequency tables make data interpretation efficient.
Answer:
  • Organising data into frequency tables is useful for solving real-world problems like surveys by highlighting key trends and totals.
Question
Why is organizing data into frequency tables useful for solving real-world problems like surveys?
Hint: Consider how frequency tables make data interpretation efficient.
Answer:
  • Organizing data into frequency tables is useful for solving real-world problems like surveys by highlighting key trends and totals.

Classifier: The text contains the AU spelling "organising" (used twice), which requires conversion to the US spelling "organizing".

Verifier: The text contains "organising" (in both content and answer), which is the AU spelling. US English uses "organizing".

0287890a-131d-4c91-bd3a-7d7ef1de3852 Localize Spelling (AU-US)
Question
How is $e$ used to calculate continuously compounded interest?
Hint: Visualise how $e$ models compounding.
Answer:
  • $e$ is used to calculate continuously compounded interest because it represents exponential growth in a continuous system.
Question
How is $e$ used to calculate continuously compounded interest?
Hint: Visualize how $e$ models compounding.
Answer:
  • $e$ is used to calculate continuously compounded interest because it represents exponential growth in a continuous system.

Classifier: The hint contains the AU spelling "Visualise", which should be "Visualize" in US English.

Verifier: The hint contains the AU spelling "Visualise", which requires localization to "Visualize".

0dab4a12-515d-4432-8f8a-07e1d27f9c1d Localize Spelling (AU-US)
Question
Why does a periodic function repeat itself at regular intervals?
Hint: Visualise the repeating nature of the function on a graph.
Answer:
  • A periodic function repeats itself at regular intervals because its values cycle predictably over time or input.
Question
Why does a periodic function repeat itself at regular intervals?
Hint: Visualize the repeating nature of the function on a graph.
Answer:
  • A periodic function repeats itself at regular intervals because its values cycle predictably over time or input.

Classifier: The word "Visualise" uses the AU/UK 's' spelling and needs to be converted to the US 'z' spelling ("Visualize").

Verifier: The word "Visualise" in the hint uses the AU/UK 's' spelling and needs to be converted to the US 'z' spelling ("Visualize").

0sUp7zhU0ehKrQKrQSFV Localize Units (simple)
Multiple Choice
Convert $1000$ mL to m$^3$.
Options:
  • $0.001$
  • $0.0001$
  • $1$
  • $1000$
Multiple Choice
Convert $1000$ fl oz to ft$^3$.
Options:
  • $0.001$
  • $0.0001$
  • $1$
  • $1000$

Classifier: The question explicitly requires conversion between metric units (mL to m^3). All metric units trigger a RED classification.

0fa1fae9-c9f6-4436-900f-429fa0587716 Localize Spelling (AU-US)
Question
What makes a tree diagram a good way to show all the possible outcomes?
Answer:
  • A tree diagram is good because it organises outcomes step by step and shows how choices at one stage lead to outcomes in the next.
Question
What makes a tree diagram a good way to show all the possible outcomes?
Answer:
  • A tree diagram is good because it organizes outcomes step by step and shows how choices at one stage lead to outcomes in the next.

Classifier: The word "organises" uses the AU/UK 's' spelling and needs to be converted to the US 'z' spelling ("organizes").

Verifier: The word "organises" in the answer content is AU/UK spelling and requires localization to "organizes".

02053a1b-12b8-4df7-b8b1-4d9bdb832690 Localize Spelling (AU-US)
Question
How does understanding grouping relate to factorising expressions?
Answer:
  • Grouping helps factorise expressions by identifying common terms to simplify.
Question
How does understanding grouping relate to factoring expressions?
Answer:
  • Grouping helps factor expressions by identifying common terms to simplify.

Classifier: Contains the AU spelling "factorising" and "factorise", which should be "factorizing" and "factorize" in US English.

Verifier: The text contains "factorising" and "factorise", which are AU/British spellings.

1NgFYFPfIvt2bbEKNbJC Localize Spelling (AU-US)
Question
Steffi has deposited $\$800$ in her bank account that pays her $2.5\%$ per annum, compounded monthly. As she has received an increment in her salary, she is now adding $\$70$ monthly to that account. Steffi's saving s can be modelled using recurrecnce relation: $V_{n+1}=RV_{n}+D$ where $n$ is the number of additional deposits made by her. What is the value of $D$ here?
Answer:
  • 70
Question
Steffi has deposited $\$800$ in her bank account that pays her $2.5\%$ per year, compounded monthly. As she has received a raise in her salary, she is now adding $\$70$ monthly to that account. Steffi's savings can be modeled using the recurrence relation: $V_{n+1}=RV_{n}+D$ where $n$ is the number of additional deposits made by her. What is the value of $D$ here?
Answer:
  • 70

Classifier: Contains AU-specific spelling "modelled" (US: modeled) and "recurrecnce" (typo, but in a context requiring review) and "per annum" (though used in US, often localized in school contexts, but "modelled" is a definitive spelling trigger). Also contains a typo "saving s".

Verifier: Contains AU spelling "modelled" (US: modeled). Also contains typos "saving s" and "recurrecnce" which require review.

19a71161-bd7d-428e-b8b2-2e16a07dd086 Localize Spelling (AU-US)
Question
What makes negative bases unique in exponents?
Hint: The behaviour depends on whether the exponent is odd or even.
Answer:
  • Negative bases are unique in exponents because their powers alternate between positive and negative values.
Question
What makes negative bases unique in exponents?
Hint: The behavior depends on whether the exponent is odd or even.
Answer:
  • Negative bases are unique in exponents because their powers alternate between positive and negative values.

Classifier: Contains the AU spelling "behaviour", which needs to be converted to the US spelling "behavior".

Verifier: Contains the AU spelling "behaviour", which requires localization to "behavior".

04wGWjPRJyiNn2USXZws Localize Spelling (AU-US)
Multiple Choice
Factorise $100x^2-10x-10x+1$ by grouping.
Options:
  • $(10x-1)^2$
  • $(10x+1)^2$
  • $(x-10)(x+10)$
  • $(10x+1)(10x-1)$
Multiple Choice
Factor $100x^2-10x-10x+1$ by grouping.
Options:
  • $(10x-1)^2$
  • $(10x+1)^2$
  • $(x-10)(x+10)$
  • $(10x+1)(10x-1)$

Classifier: Contains the AU spelling "Factorise", which must be localized to "Factorize" for a US audience.

Verifier: Contains the AU spelling "Factorise", which must be localized to "Factorize" for a US audience.

1851e896-f566-4492-9809-4052d654c64f Localize Spelling (AU-US)
Question
Why do box plots use the median and interquartile range to summarise data?
Answer:
  • Because they describe the centre and spread of a distribution in ways that aren’t distorted by outliers.
Question
Why do box plots use the median and interquartile range to summarize data?
Answer:
  • Because they describe the center and spread of a distribution in ways that aren’t distorted by outliers.

Classifier: The answer contains the AU spelling "centre", which needs to be converted to the US spelling "center". The question also uses "summarise", which needs to be "summarize".

Verifier: The text contains AU spellings "summarise" and "centre", which require localization to "summarize" and "center".

120c51b2-8035-4e7d-8d0a-806751e2965f Localize Spelling (AU-US)
Question
Why do we need multiple measurements to fully describe a wave?
Hint: Consider how amplitude, wavelength, and period provide a complete description.
Answer:
  • We need multiple measurements to fully describe a wave because each measurement captures a different aspect of its behaviour.
Question
Why do we need multiple measurements to fully describe a wave?
Hint: Consider how amplitude, wavelength, and period provide a complete description.
Answer:
  • We need multiple measurements to fully describe a wave because each measurement captures a different aspect of its behavior.

Classifier: The text contains the AU/UK spelling "behaviour", which needs to be converted to the US spelling "behavior".

Verifier: The answer text contains the AU spelling "behaviour", which requires localization to "behavior".

0yaUKB8lSyJ1yB2kHaxg Localize Spelling (AU-US)
Multiple Choice
Which of the following is the equation of a semicircle that corresponds to the upper half of a circle with centre at $(4,4)$ and radius $2$ units with its base on the $x-$axis ?
Options:
  • $y=+\sqrt{4-(x-4)^{2}}+4$
  • $x=+\sqrt{4-(y-4)^{2}}+4$
  • $y=-\sqrt{4-(x-4)^{2}}+4$
  • $x=-\sqrt{4-(y-4)^{2}}+4$
Multiple Choice
Which of the following is the equation of a semicircle that corresponds to the upper half of a circle with center at $(4,4)$ and radius $2$ units with its base on the $x-$axis?
Options:
  • $y=+\sqrt{4-(x-4)^{2}}+4$
  • $x=+\sqrt{4-(y-4)^{2}}+4$
  • $y=-\sqrt{4-(x-4)^{2}}+4$
  • $x=-\sqrt{4-(y-4)^{2}}+4$

Classifier: Contains the AU spelling "centre", which needs to be converted to "center" for US localization.

Verifier: Contains the AU spelling "centre", which needs to be converted to "center" for US localization.

1RJRg2RQjRRxvsVRNg3c Localize Terminology
Multiple Choice
True or false: The gradients of the lines $y=2$ and $x=2$ are equal.
Options:
  • False
  • True
Multiple Choice
True or false: The slopes of the lines $y=2$ and $x=2$ are equal.
Options:
  • False
  • True

Classifier: The term "gradients" is the standard AU term for what is referred to as "slope" in US school mathematics.

Verifier: The term "gradients" is the standard AU term for what is referred to as "slope" in US school mathematics. This requires localization for a US audience.

1d262a4a-5b3c-4b64-a62c-d1df621bf39a Localize Terminology
Question
Why is the difference of squares useful for solving quadratic equations?
Answer:
  • It lets you factor the quadratic into two brackets, then solve each bracket to find the solutions.
Question
Why is the difference of squares useful for solving quadratic equations?
Answer:
  • It lets you factor the quadratic into two parentheses, then solve each set of parentheses to find the solutions.

Classifier: The text uses the term "brackets" to refer to the parts of a factored quadratic equation. In a US educational context, "parentheses" is the standard term for $(x-a)(x-b)$. While "brackets" is understood, it is a distinct regional preference in mathematical terminology.

Verifier: The use of "brackets" to refer to parentheses in a factoring context is a regional terminology difference (AU/UK vs US).

1a677062-dbf1-4610-9fc8-61cef20e8d51 Localize Terminology
Question
Why is understanding orders (exponents) important in solving BODMAS problems?
Answer:
  • Orders are powers, like $2^3$. It is important to know them because they must be solved before multiplication, division, addition, or subtraction.
Question
Why is understanding exponents important in solving PEMDAS problems?
Answer:
  • Exponents are powers, like $2^3$. It is important to know them because they must be solved before multiplication, division, addition, or subtraction.

Classifier: The text uses "BODMAS", which is the standard acronym in AU/UK, whereas the US uses "PEMDAS".

Verifier: Uses "BODMAS", which is the standard acronym in AU/UK, whereas the US uses "PEMDAS". This is a school-context terminology difference.

1f8c99a6-3863-4510-aeab-d220a960b13e Localize Spelling (AU-US)
Question
Why do we use two-way tables for calculating probabilities?
Answer:
  • Two-way tables organise data into categories, making it easier to find totals and use them to calculate probabilities.
Question
Why do we use two-way tables for calculating probabilities?
Answer:
  • Two-way tables organize data into categories, making it easier to find totals and use them to calculate probabilities.

Classifier: Contains the AU spelling "organise", which needs to be converted to the US spelling "organize".

Verifier: The answer text contains the AU spelling "organise", which must be localized to the US spelling "organize".

1s0bwttwE87jXq4bbrTQ Localize Units (simple)
Question
Find the area of kite $PQRS$ with diagonals $PR = 10$ m and $QS = 12$ m.
Answer:
  • 60
Question
Find the area of kite $PQRS$ with diagonals $PR = 10$ ft and $QS = 12$ ft.
Answer:
  • 60

Classifier: The text contains metric units ("m" for meters and "m^2" for square meters) which require conversion to US customary units.

Verifier: The question contains metric units ("m" and "m^2") which require conversion to US customary units. The calculation is a simple area of a kite, fitting simple conversion.

1f39c7dc-2d43-43a9-bc62-ffead0478950 Localize Terminology
Question
Why is $(h,k)$ the turning point in the equation $y=a(x-h)^2+k$?
Answer:
  • The squared part $(x-h)^2$ is $0$ when $x=h$, which makes $y=k$, so $(h,k)$ is the turning point.
Question
Why is $(h,k)$ the vertex in the equation $y=a(x-h)^2+k$?
Answer:
  • The squared part $(x-h)^2$ is $0$ when $x=h$, which makes $y=k$, so $(h,k)$ is the vertex.

Classifier: The term "turning point" is standard AU/UK terminology for the vertex of a parabola. In a US context, "vertex" is the standard term used for the (h, k) point of a quadratic function.

Verifier: The term "turning point" is the standard AU/UK term for what is called the "vertex" in US mathematics curricula. This requires localization for a US audience.

1hwgLgDADCp6dduoYUMI Localize Terminology
Multiple Choice
Which graph would best display the growth of a puppy over time?
Options:
  • Pie chart
  • Picture graph
  • Column graph
  • Line graph
Multiple Choice
Which graph would best display the growth of a puppy over time?
Options:
  • Pie chart
  • Pictograph
  • Bar graph
  • Line graph

Classifier: The terms "Picture graph" and "Column graph" are standard in the Australian curriculum (ACARA), whereas the US equivalents are typically "Pictograph" and "Bar graph".

Verifier: The terms "Picture graph" and "Column graph" are specific to the Australian curriculum (ACARA). In the US, "Pictograph" and "Bar graph" are the standard terms.

2BheiAJOYmPuFtqdh6LM Localize Units (complex)
Question
A body starts at rest and its velocity is given by $v(t)=3t^2-4t$ m/s. Find its change in displacement in the first $6$ seconds.
Answer:
  • 144
Question
A body starts at rest and its velocity is given by $v(t)=3t^2-4t$ ft/s. Find its change in displacement in the first $6$ seconds.
Answer:
  • 144

Classifier: The question contains metric units ("m/s" and "m") which require localization to US customary units (e.g., ft/s and ft) according to the decision rules.

Verifier: The question contains metric units ("m/s" and "m"). However, the velocity is defined by a function v(t) = 3t^2 - 4t. According to rule 4, equations defining quantities in metric or requiring re-deriving formula coefficients (calculus-based displacement from velocity) should be classified as RED.units_complex_converted.

21xytvQKgEMY6SMBKB3Q Localize Spelling (AU-US)
Question
Rationalise the fraction ${\Large\frac{2}{\sqrt{7}}}$. Express your answer as a fraction in simplest form.
Options:
  • (2\cdot(\frac{\sqrt{7}}{7}))
  • (\frac{(2\cdot\sqrt{7})}{7})
Question
Rationalize the fraction ${\Large\frac{2}{\sqrt{7}}}$. Express your answer as a fraction in simplest form.
Options:
  • (2\cdot(\frac{\sqrt{7}}{7}))
  • (\frac{(2\cdot\sqrt{7})}{7})

Classifier: Contains the AU spelling "Rationalise", which needs to be converted to the US spelling "Rationalize".

Verifier: The word "Rationalise" uses AU/UK spelling (ending in -ise) and must be localized to the US spelling "Rationalize".

2CnG2FYUhBZiZ2vGdh9c Localize Units (simple)
Question
A rectangle has a perimeter of $28$ cm and a length of $10$ cm. What is its width?
Answer:
  • 4
Question
A rectangle has a perimeter of $28$ in and a length of $10$ in. What is its width?
Answer:
  • 4

Classifier: The question uses "cm" (centimetres), which is a metric unit requiring localization to US customary units (e.g., inches).

Verifier: Contains metric unit "cm" in a simple geometric context, requiring straightforward conversion.

24b0f43f-35c9-455b-9ce9-e2f9dba1dcec Localize Units (simple)
Question
Why is it important to understand decimal shifts when solving measurement problems?
Answer:
  • Decimal shifts show how numbers get $10$ times bigger or smaller. This helps when changing units, like $2.5$ metres to $250$ centimetres.
Question
Why is it important to understand decimal shifts when solving measurement problems?
Answer:
  • Decimal shifts show how numbers get $10$ times bigger or smaller. This helps when changing units, like $2.5$ feet to $250$ inches.

Classifier: The text contains metric units ("metres" and "centimetres") and AU-specific spelling ("metres"). Per the decision rules, any metric unit found anywhere requires classification into a units category. Since it involves a simple conversion example, it is classified as units_simple_conversion.

Verifier: The text contains metric units ("metres", "centimetres") and AU spelling ("metres"). This requires a RED classification. Since it is a simple conceptual example of unit conversion, units_simple_conversion is appropriate.

1hgQAN7rL9YjWHtWGmvn Localize Terminology
Multiple Choice
In Melbourne, $120$ schools are randomly surveyed to study the effects of remote learning. Which group is the population?
Options:
  • Schools across Victoria
  • Students in the $120$ schools
  • The $120$ surveyed schools
  • All Melbourne schools
Multiple Choice
In New York City, $120$ schools are randomly surveyed to study the effects of remote learning. Which group is the population?
Options:
  • Schools across New York State
  • Students in the $120$ schools
  • The $120$ surveyed schools
  • All New York City schools

Classifier: The text contains specific Australian geographic references ("Melbourne", "Victoria") used to define the population and sample in a statistics problem. These should be localized to a US context (e.g., a US city and state) to be relevant to the target audience.

Verifier: The text contains specific Australian geographic references ("Melbourne", "Victoria") which are used to define the population and sample in a statistics context. These require localization to a US context.

273734d9-801c-4edf-ba93-81f37ac8710f Localize Spelling (AU-US)
Question
How do asymptotes relate to understanding graphs?
Answer:
  • Asymptotes mark lines the graph approaches but never reaches. They help show the behaviour of the graph and where the function has no values.
Question
How do asymptotes relate to understanding graphs?
Answer:
  • Asymptotes mark lines the graph approaches but never reaches. They help show the behavior of the graph and where the function has no values.

Classifier: Contains the AU spelling "behaviour", which requires conversion to US "behavior".

Verifier: The answer text contains the AU spelling "behaviour", which requires localization to US "behavior".

2Sqnhf02oGKhraaZpt17 Localize Spelling (AU-US)
Question
Lauren wants to choose three scoops of ice cream from $5$ different flavours, with each flavour used only once. How many combinations of three scoops can she make?
Answer:
  • 10
Question
Lauren wants to choose three scoops of ice cream from $5$ different flavors, with each flavor used only once. How many combinations of three scoops can she make?
Answer:
  • 10

Classifier: Contains the AU/UK spelling "flavours" (US: "flavors").

Verifier: The text contains "flavours", which is the AU/UK spelling. US spelling is "flavors". Per rule 1, this requires RED classification.

1tvtKJdYX8ODIEe8tmKy Localize Spelling (AU-US)
Multiple Choice
Which of the following expressions can be factorised as $(x-3a)(x+3a)(x^{2}+{9a}^{2})$ ?
Options:
  • $(x^{4}-27a^{2})$
  • $(x^{4}-81a^{4})$
  • $(x^2-3a^{4})$
  • $(x^{2}-9a^{2})$
Multiple Choice
Which of the following expressions can be factored as $(x-3a)(x+3a)(x^{2}+{9a}^{2})$ ?
Options:
  • $(x^{4}-27a^{2})$
  • $(x^{4}-81a^{4})$
  • $(x^2-3a^{4})$
  • $(x^{2}-9a^{2})$

Classifier: The word "factorised" uses the AU/UK 's' spelling and needs to be converted to the US 'z' spelling ("factorized").

Verifier: The word "factorised" is used, which is the AU/UK spelling. US spelling is "factorized".

1vnRx5dh5msyp72IubB1 Localize Spelling (AU-US)
Multiple Choice
Which of the following correctly splits the middle term in $x^2 + 5x +6$ so it can be factorised by grouping?
Options:
  • $x^2+4x+x+6$
  • $x^2+7x-2x+6$
  • $x^2+6x-x+6$
  • $x^2+3x+2x+6$
Multiple Choice
Which of the following correctly splits the middle term in $x^2 + 5x +6$ so it can be factored by grouping?
Options:
  • $x^2+4x+x+6$
  • $x^2+7x-2x+6$
  • $x^2+6x-x+6$
  • $x^2+3x+2x+6$

Classifier: The word "factorised" uses the AU/UK 's' spelling and needs to be converted to the US 'z' spelling ("factorized").

Verifier: The word "factorised" uses the AU/UK 's' spelling; US spelling is "factorized".

1w568hYaXMjFqGF5HOa8 Localize Units (complex)
Multiple Choice
Find the velocity function $v(t)$ if the displacement function is $s(t)=4t^2+5t$ m for $t\geq 0$ s.
Options:
  • None of the above
  • $8t+5$ m/s
  • $8t+10$ m/s
  • $16t+5$ m/s
Multiple Choice
Find the velocity function $v(t)$ if the displacement function is $s(t)=4t^2+5t$ ft for $t\geq 0$ s.
Options:
  • None of the above
  • $8t+5$ ft/s
  • $8t+10$ ft/s
  • $16t+5$ ft/s

Classifier: The text contains metric units ("m" for meters, "s" for seconds, and "m/s" for meters per second) which require conversion to US customary units.

Verifier: While the primary classifier correctly identified metric units ("m", "s", "m/s"), this involves a displacement function s(t) and a velocity function v(t). Per rule 4, equations defining quantities in metric or functions where units are interlinked with the algebraic expression should be classified as RED.units_complex_converted to ensure human review of the functional context.

1ZZfCpJHcJvQ9dZtrhq1 Localize Spelling (AU-US)
Multiple Choice
Which of the following is the general equation of a semicircle with centre $(a,b)$ and radius $r$ units?
Options:
  • $y=\pm\sqrt{r^{2}-(x+a)^{2}-b^{2}}$
  • $y=\pm\sqrt{r^{2}-(x-a)^{2}+b}$
  • $y=\pm\sqrt{r^{2}+(x-a)^{2}}-b^{2}$
  • $y=\pm\sqrt{r^{2}-(x-a)^{2}}+b$
  • $y=\pm\sqrt{r^{2}-(x-a)^{2}}-b^{2}$
  • $y=\pm\sqrt{r^{2}-(x+a)^{2}}+b$
Multiple Choice
Which of the following is the general equation of a semicircle with center $(a,b)$ and radius $r$ units?
Options:
  • $y=\pm\sqrt{r^{2}-(x+a)^{2}-b^{2}}$
  • $y=\pm\sqrt{r^{2}-(x-a)^{2}+b}$
  • $y=\pm\sqrt{r^{2}+(x-a)^{2}}-b^{2}$
  • $y=\pm\sqrt{r^{2}-(x-a)^{2}}+b$
  • $y=\pm\sqrt{r^{2}-(x-a)^{2}}-b^{2}$
  • $y=\pm\sqrt{r^{2}-(x+a)^{2}}+b$

Classifier: Contains the AU spelling "centre", which needs to be localized to "center" for a US audience.

Verifier: Contains the AU spelling "centre", which requires localization to "center".

2ZHueD0MmDY7zD3OFJJq Localize Units (simple)
Question
Fill in the blank: $24$ kilograms $+[?]$ megagrams $=10024$ kilograms
Answer:
  • 10
Question
Fill in the blank: $24$ pounds $+[?]$ kilopounds $=10024$ pounds
Answer:
  • 10

Classifier: Contains metric units "kilograms" and "megagrams" which require localization to US customary units or a specific metric-pedagogy handling for the US market.

Verifier: The question contains metric units "kilograms" and "megagrams". According to rule 3, any metric unit requires at least RED classification. This is a simple conversion/arithmetic problem.

2PbodiWsCdlQXaQB5dmR Localize Spelling (AU-US)
Question
Steffi has deposited $\$800$ in her bank account that pays her $2.5\%$ per annum, compounded monthly. As she has received an increment in her salary, she is now adding $\$70$ monthly to that account. Steffi's savings can be modelled using recurrence relation: $V_{n+1}=1.002V_{n}+70$ where $n$ is the number of additional deposits made by her. How much will she save after $3$ months?
Answer:
  • 1015.23
Question
Steffi has deposited $\$800$ in her bank account that pays her $2.5\%$ per year, compounded monthly. As she has received a raise in her salary, she is now adding $\$70$ monthly to that account. Steffi's savings can be modeled using the recurrence relation: $V_{n+1}=1.002V_{n}+70$ where $n$ is the number of additional deposits made by her. How much will she save after $3$ months?
Answer:
  • 1015.23

Classifier: The text contains the AU/UK spelling "modelled" (US: "modeled"). While the currency symbol is neutral ($), the spelling requires localization.

Verifier: The text contains "modelled", which is the AU/UK spelling. US spelling is "modeled". Per rule 1, any AU spelling requires RED classification.

1jJrYIuZ70vvGXtFA7gx Localize Terminology
Multiple Choice
Find the maximal domain of the quotient function $(\frac{f}{g})(x)$ for $f(x)=\ln(x)$ and $g(x)=\sin(x)$ where $x\in [-2\pi,2\pi]$.
Options:
  • $(0,2\pi]$
  • $(-2\pi,0)\cup(0,2\pi)$
  • $(0,2\pi)\setminus\{\pi\}$
  • $\mathbb{R}\setminus\{-2\pi,-\pi,0,\pi,2\pi\}$
Multiple Choice
Find the maximum domain of the quotient function $(\frac{f}{g})(x)$ for $f(x)=\ln(x)$ and $g(x)=\sin(x)$ where $x\in [-2\pi,2\pi]$.
Options:
  • $(0,2\pi]$
  • $(-2\pi,0)\cup(0,2\pi)$
  • $(0,2\pi)\setminus\{\pi\}$
  • $\mathbb{R}\setminus\{-2\pi,-\pi,0,\pi,2\pi\}$

Classifier: The term "maximal domain" is a specific phrasing common in the Australian (VCE) curriculum. In a US context, this is almost always referred to simply as the "domain" or "implied domain".

Verifier: The term "maximal domain" is a specific phrasing used in the Australian (VCE) curriculum. In the US, "domain" or "implied domain" is used.

2a24ec8d-51f2-4e12-a6d5-14f19c4cbcdd Localize Terminology
Question
What makes turning points special coordinates when writing parabola equations?
Answer:
  • Turning points are special coordinates in parabola equations because they represent the vertex, the highest or lowest point.
Question
What makes vertices special coordinates when writing parabola equations?
Answer:
  • Vertices are special coordinates in parabola equations because they represent the vertex, the highest or lowest point.

Classifier: The text uses the term "turning points", which is the standard AU term for the "vertex" of a parabola. While the answer mentions "vertex" as an explanation, the primary question uses "turning points", which is a specific terminology mapping.

Verifier: The term "turning points" is the standard Australian curriculum term for the vertex of a parabola, whereas "vertex" is the standard US term. This is a terminology mapping issue.

2dce154f-cc8e-49e1-90e5-4099d55758f5 Localize Spelling (AU-US)
Question
Why can data without an order not be arranged from lowest to highest?
Answer:
  • They are just names, like colours, so one is not higher or lower than another.
Question
Why can data without an order not be arranged from lowest to highest?
Answer:
  • They are just names, like colors, so one is not higher or lower than another.

Classifier: The answer contains the AU spelling "colours", which needs to be converted to the US spelling "colors".

Verifier: The answer contains the AU spelling "colours", which must be localized to "colors".

2a005ee3-8f53-4557-83cd-cafb1ab5ec92 Localize Units (simple)
Question
How can changing units of length make solving real-world problems, like measuring distances, easier?
Answer:
  • It makes the numbers easier to work with. For example, adding $2$ km and $500$ m is easier when both are written in metres.
Question
How can changing units of length make solving real-world problems, like measuring distances, easier?
Answer:
  • It makes the numbers easier to work with. For example, adding $2$ mi and $500$ ft is easier when both are written in feet.

Classifier: The text contains metric units ("km", "m") and the AU spelling "metres". Per the decision rules, any metric unit requires at least RED.units_simple_conversion.

Verifier: The text contains metric units (km, m) and the AU spelling "metres", which requires localization for a US audience.

2abc3908-4e42-4f98-8ab5-f595c42edde4 Localize Units (simple)
Question
Why do we use different units to measure liquids and solids?
Answer:
  • Liquids are measured in litres because they flow and fill containers. Solids are measured in cubic units because they keep their shape.
Question
Why do we use different units to measure liquids and solids?
Answer:
  • Liquids are measured in gallons because they flow and fill containers. Solids are measured in cubic units because they keep their shape.

Classifier: The text contains the metric unit "litres", which also uses AU spelling. This requires conversion to US customary units (e.g., gallons/quarts) or at least spelling/unit localization.

Verifier: The text uses the metric unit "litres", which is both a metric unit and an AU spelling. This requires localization to US customary units or at least spelling/unit adjustment.

2cce3326-5707-4bdd-80bd-c96b4bc6752c Localize Spelling (AU-US)
Question
Why must every point on a circle be exactly $r$ units (the radius) from the centre $(h,k)$?
Answer:
  • Every point on the circle must be exactly $r$ units from $(h, k)$ because the radius defines the fixed distance.
Question
Why must every point on a circle be exactly $r$ units (the radius) from the center $(h,k)$?
Answer:
  • Every point on the circle must be exactly $r$ units from $(h, k)$ because the radius defines the fixed distance.

Classifier: The text contains the AU spelling "centre", which requires conversion to the US spelling "center". While it mentions "units", they are abstract algebraic units ("r units") rather than metric units.

Verifier: The text contains the AU spelling "centre", which requires localization to "center".

2klsyZIzAQKmjVDHEOKr Localize Units (simple)
Question
Find the total surface area of a rectangular prism with dimensions $1.5$ cm $\times$ $2.1$ cm $\times$ $5$ cm.
Answer:
  • 42.3
Question
Find the total surface area of a rectangular prism with dimensions $1.5$ in $\times$ $2.1$ in $\times$ $5$ in.
Answer:
  • 42.3

Classifier: The question contains metric units ("cm" and "cm^2") which require conversion for US localization.

Verifier: The question contains metric units ("cm" and "cm^2") which require conversion for US localization. It is a simple conversion as it involves a basic geometric shape with few values.

2f82c786-b789-4f90-a9d1-135342de80f9 Localize Terminology
Question
Why does the distance formula $\sqrt{(x_2-x_1)^2 + (y_2-y_1)^2}$ work for finding distances?
Answer:
  • The $x$ and $y$ changes form a right triangle. Pythagoras’ theorem shows the distance is the square root of the sum of their squares.
Question
Why does the distance formula $\sqrt{(x_2-x_1)^2 + (y_2-y_1)^2}$ work for finding distances?
Answer:
  • The $x$ and $y$ changes form a right triangle. The Pythagorean theorem shows the distance is the square root of the sum of their squares.

Classifier: The answer contains the term "right triangle" which is US-neutral, but it also uses "Pythagoras’ theorem". In US contexts, this is almost exclusively referred to as the "Pythagorean theorem". Additionally, "right-angled triangle" is the standard AU term, though "right triangle" appears here, the theorem name requires localization.

Verifier: The text uses "Pythagoras’ theorem", which is the standard term in AU/UK, whereas "Pythagorean theorem" is the standard US term. This requires localization for the US market.

39d70f13-7750-4da0-a751-447a5594be36 Localize Spelling (AU-US)
Question
Why is analysing the strength of data relationships important for making accurate conclusions?
Answer:
  • The strength shows how closely two variables are linked. Knowing this helps us understand whether the data gives a clear connection or not.
Question
Why is analyzing the strength of data relationships important for making accurate conclusions?
Answer:
  • The strength shows how closely two variables are linked. Knowing this helps us understand whether the data gives a clear connection or not.

Classifier: The text uses the US spelling "analysing" (wait, "analysing" is actually AU/UK; US is "analyzing"). Correction: The word "analysing" in the source value is the AU/UK spelling. US spelling is "analyzing".

Verifier: The text contains the word "analysing", which is the AU/UK spelling. The US spelling is "analyzing". Per rule 1, any AU spelling requires RED classification.

3IlvafO33ogKxbjZXNw2 Localize Spelling (AU-US)
Question
Fill in the blank. Seasonal indices$=[?]$ Actual value$=6000$ Deseasonalised value$=5000$
Answer:
  • 1.2
Question
Fill in the blank. Seasonal indices$=[?]$ Actual value$=6000$ Deseasonalized value$=5000$
Answer:
  • 1.2

Classifier: Contains the AU/UK spelling "Deseasonalised", which requires conversion to the US spelling "Deseasonalized".

Verifier: Contains "Deseasonalised", which is the AU/UK spelling (US: Deseasonalized).

3YXgNxA1mefDLaNoLq6P Localize Spelling (AU-US)
Question
It is observed that $20\%$ of cars entering a car park are red. What is the probability that the next three cars entering are all red? Assume each car's colour is independent.
Answer:
  • 0.008
Question
It is observed that $20\%$ of cars entering a parking lot are red. What is the probability that the next three cars entering are all red? Assume each car's color is independent.
Answer:
  • 0.008

Classifier: Contains the AU spelling "colour", which needs to be converted to "color" for US localization.

Verifier: Contains "colour", which is AU spelling and requires localization to "color".

3775c733-0444-4acd-864e-32b5689fb856 Localize Spelling (AU-US)
Question
How do frequency tables relate to understanding categorical variables?
Answer:
  • Frequency tables summarise how often each category occurs, making patterns in categorical data clear.
Question
How do frequency tables relate to understanding categorical variables?
Answer:
  • Frequency tables summarize how often each category occurs, making patterns in categorical data clear.

Classifier: Contains the AU spelling "summarise" in the answer content, which needs to be converted to "summarize" for US localization.

Verifier: Contains the AU spelling "summarise" in the answer content, which needs to be converted to "summarize" for US localization.

32339cad-6de2-4201-859c-f342b2bcd6f3 Localize Spelling (AU-US)
Question
Why must we understand number structure to simplify square roots effectively?
Hint: We break the expression into factors for easier calculation.
Answer:
  • Because simplifying square roots relies on recognising factor patterns and identifying perfect squares hidden within the number, not just applying a rule.
Question
Why must we understand number structure to simplify square roots effectively?
Hint: We break the expression into factors for easier calculation.
Answer:
  • Because simplifying square roots relies on recognizing factor patterns and identifying perfect squares hidden within the number, not just applying a rule.

Classifier: The word "recognising" uses the AU/UK 's' spelling and needs to be converted to the US 'z' spelling ("recognizing").

Verifier: The answer text contains the word "recognising", which is the AU/UK spelling. US English requires "recognizing".

3LDZmZPsTEJ3mb1LWrjW Localize Units (simple)
Question
How many cubic centimetres are there in $2$ cubic metres ?
Answer:
  • 2000000
Question
How many cubic inches are there in $2$ cubic feet ?
Answer:
  • 3456

Classifier: The question is specifically about converting between metric units ("cubic centimetres" and "cubic metres") and contains AU spelling ("centimetres", "metres"). Per rule 6, units conversion is the most impactful change.

Verifier: The question specifically asks for a conversion between metric units and uses AU spelling ("centimetres", "metres").

3ADaU3MnxdNVQQd83mdG Localize Spelling (AU-US)
Multiple Choice
True or false: The expression $9x^2+84x+171$ can be factorised by completing the square.
Options:
  • False
  • True
Multiple Choice
True or false: The expression $9x^2+84x+171$ can be factored by completing the square.
Options:
  • False
  • True

Classifier: Contains the AU spelling "factorised" which needs to be converted to the US spelling "factorized".

Verifier: The text contains the AU spelling "factorised", which must be localized to the US spelling "factorized".

35CwtKThCwlKmkATOFvr Localize Units (simple)
Question
Sandra's sandbox has dimensions $3$ m $\times$ $2$ m $\times$ $0.5$ m. Sand costs $\$6.50$ per m$^3$. How much will it cost to fill the sandbox?
Answer:
  • 19.50
Question
Sandra's sandbox has dimensions $3$ ft $\times$ $2$ ft $\times$ $0.5$ ft. Sand costs $\$6.50$ per ft$^3$. How much will it cost to fill the sandbox?
Answer:
  • 19.50

Classifier: The text contains metric units (m, m^3) which require conversion for US localization.

Verifier: The question contains metric units (m, m^3) which require conversion for US localization. It is a simple conversion as it involves basic volume and cost calculation.

31c70609-0dc6-43e6-9bc6-dded9c2944fa Localize Spelling (AU-US)
Question
How can creating a frequency table simplify analysing patterns in data?
Hint: Focus on how organised data reveals trends.
Answer:
  • Creating a frequency table simplifies analysing patterns in data by presenting values and their frequencies clearly.
Question
How can creating a frequency table simplify analyzing patterns in data?
Hint: Focus on how organized data reveals trends.
Answer:
  • Creating a frequency table simplifies analyzing patterns in data by presenting values and their frequencies clearly.

Classifier: The text contains the AU spellings "analysing" and "organised", which require conversion to US "analyzing" and "organized".

Verifier: The text contains AU spellings "analysing" (in content and answer) and "organised" (in hint), which require localization to US spelling.

3bDxmjth6VbTlNAiNzIq Localize Units (simple)
Question
The volume of water $(V)$ in a container increases by a factor of $2$ every hour $(t)$. If the container initially has $10$ litres of water, what is the volume after $4$ hours?
Answer:
  • 160
Question
The volume of water $(V)$ in a container increases by a factor of $2$ every hour $(t)$. If the container initially has $10$ gallons of water, what is the volume after $4$ hours?
Answer:
  • 160

Classifier: The text contains the metric unit "litres", which requires both spelling localization ("liters") and unit conversion to US customary units (e.g., gallons or quarts) per the hierarchy where unit conversion is the most impactful change.

Verifier: The text contains "litres", which is both a metric unit requiring conversion and an AU/UK spelling. Per rule 5, unit conversion is the most impactful change.

37Y9Hazm2jsIyAFw9B56 Localize Units (simple)
Question
The velocity function of an object is given by $v(t)=2t-6$ m/s for $t\geq0$. Find the average speed between $t=2$ to $t=4$ seconds.
Hint: Remember to consider the change in direction of the object.
Answer:
  • 1
Question
The velocity function of an object is given by $v(t)=2t-6$ ft/s for $t\geq0$. Find the average speed between $t=2$ to $t=4$ seconds.
Hint: Remember to consider the change in direction of the object.
Answer:
  • 1

Classifier: Contains the metric unit "m/s" (metres per second). Even though "m" is used in a rate, it represents a metric unit of length.

Verifier: Contains the metric unit "m/s" (metres per second). Even though "m" is used in a rate, it represents a metric unit of length and requires localization.

37567cf3-ce3d-4ad8-86c0-6e17aa198102 Localize Spelling (AU-US)
Question
What makes $x \in \mathbb{R}$ describe all real numbers for a domain?
Hint: Visualise how the set encompasses all numbers.
Answer:
  • $x \in \mathbb{R}$ describes all real numbers for a domain because it includes every possible value.
Question
What makes $x \in \mathbb{R}$ describe all real numbers for a domain?
Hint: Visualize how the set encompasses all numbers.
Answer:
  • $x \in \mathbb{R}$ describes all real numbers for a domain because it includes every possible value.

Classifier: Contains the AU spelling "Visualise" in the hint field, which needs to be converted to "Visualize" for US localization.

Verifier: Contains the AU spelling "Visualise" in the hint field, which needs to be converted to "Visualize" for US localization.

37b74f8d-319f-44bb-b230-e8d1bd0239ed Localize Units (simple)
Question
How can knowing SI prefixes make unit conversions easier?
Answer:
  • SI prefixes show how many times bigger or smaller a unit is. This makes it quick to change between units, like from kilometres to metres.
Question
How can knowing SI prefixes make unit conversions easier?
Answer:
  • SI prefixes show how many times bigger or smaller a unit is. This makes it quick to change between units, like from miles to feet.

Classifier: Contains metric units ("kilometres", "metres") and AU-specific spelling ("kilometres", "metres"). This is a metric-pedagogy question.

Verifier: Contains metric units ("kilometres", "metres") and AU-specific spelling ("kilometres", "metres"). This is a metric-pedagogy question requiring localization.

3CCCqXTQGIW333h0F8S8 Localize Spelling (AU-US)
Multiple Choice
Which of the following is not categorical data?
Options:
  • Types of chocolate
  • Runs scored by a cricketer
  • Eye colour of a group of students
  • Favourite fruit
Multiple Choice
Which of the following is not categorical data?
Options:
  • Types of chocolate
  • Runs scored by a baseball player
  • Eye color of a group of students
  • Favorite fruit

Classifier: The text contains the AU spelling "colour" which requires conversion to the US spelling "color". While "cricketer" is more common in AU/UK, it is a valid noun in the US and does not strictly require localization compared to the spelling error.

Verifier: The text contains the AU spelling "colour" in one of the answer choices, which requires localization to "color".

345a4f08-16d6-49c9-b8a9-c5849bbd4f72 Localize Spelling (AU-US)
Question
Why do exponential functions always have horizontal asymptotes?
Hint: The asymptote reflects the function's limiting behaviour.
Answer:
  • Exponential functions always have horizontal asymptotes because their growth or decay levels off towards a constant value.
Question
Why do exponential functions always have horizontal asymptotes?
Hint: The asymptote reflects the function's limiting behavior.
Answer:
  • Exponential functions always have horizontal asymptotes because their growth or decay levels off toward a constant value.

Classifier: Contains the AU spelling "behaviour", which requires conversion to the US spelling "behavior".

Verifier: The text contains the AU spelling "behaviour" in the hint field, which requires localization to "behavior".

36B4IujuAFBmsiOOJ3vK Localize Units (simple)
Question
What is the distance along $26^\circ$N between ($26^\circ$N, $150^\circ$W) and ($26^\circ$N, $112^\circ$W), rounded to two significant figures?
Hint: Take the Earth's radius to be $6371$ km
Answer:
  • 3800
Question
What is the distance along $26^\circ$N between ($26^\circ$N, $150^\circ$W) and ($26^\circ$N, $112^\circ$W), rounded to two significant figures?
Hint: Take the Earth's radius to be $3959$ miles
Answer:
  • 2400

Classifier: The text contains metric units (km) for Earth's radius and the final answer, requiring conversion to miles for US localization.

Verifier: The question uses kilometers (km) for Earth's radius and the answer, which requires conversion to miles for US localization.

37e69e04-d21b-429b-8a8f-5c94bf49440b Localize Units (simple)
Question
Why do metric measurements use powers of $10$?
Hint: Think about how moving the decimal point left or right converts between units like metres and centimetres.
Answer:
  • Metric measurements use powers of $10$ to make conversions simple and consistent.
Question
Why do metric measurements use powers of $10$?
Hint: Think about how moving the decimal point left or right converts between units like meters and centimeters.
Answer:
  • Metric measurements use powers of $10$ to make conversions simple and consistent.

Classifier: The text contains metric units ("metres" and "centimetres") and AU-specific spelling ("metres"). According to the decision rules, any metric unit found anywhere results in at least RED.units_simple_conversion.

Verifier: The text contains the metric units "metres" and "centimetres". "Metres" also uses AU/British spelling. Per rule 3, any metric unit requires at least RED.units_simple_conversion.

33miRD3Z2m2GJn0mzilh Localize Units (simple)
Multiple Choice
An object starts from point $O$ and is moving in a straight line with the displacement function $s(t)=-2t^2+4t+2$ m for $0\leq t \leq 10$ s. When and where does the object change its direction?
Options:
  • The object changes its direction at $t=1$ seconds when it was $4$ m to the right of point $O$.
  • The object changes its direction at $t=1$ seconds when it was $7$ m to the left of the point $O$.
  • The object changes its direction at $t=1$ seconds when it was $4$ m to the left of point $O$.
  • The object changes its direction at $t=2$ seconds when it was $4$ m to the left of point $O$.
Multiple Choice
An object starts from point $O$ and is moving in a straight line with the displacement function $s(t)=-2t^2+4t+2$ ft for $0\leq t \leq 10$ s. When and where does the object change its direction?
Options:
  • The object changes its direction at $t=1$ seconds when it was $4$ ft to the right of point $O$.
  • The object changes its direction at $t=1$ seconds when it was $7$ ft to the left of point $O$.
  • The object changes its direction at $t=1$ seconds when it was $4$ ft to the left of point $O$.
  • The object changes its direction at $t=2$ seconds when it was $4$ ft to the left of point $O$.

Classifier: The text contains metric units ("m" for metres and "s" for seconds) used in a physics/calculus context. Per decision rules, any metric unit requires classification as a units conversion category.

Verifier: The text contains metric units ("m" for metres and "s" for seconds). Per decision rule 3, any metric unit requires RED classification. Simple conversion is appropriate as the values are straightforward and do not require re-deriving complex coefficients.

37e4f9a5-efe5-47cc-b5cc-4b2a08b88ece Localize Spelling (AU-US)
Question
Why are two-way frequency tables used to analyse potential associations between two categorical variables?
Answer:
  • They display counts for every combination of categories from the two variables, making it easy to see potential patterns or links.
Question
Why are two-way frequency tables used to analyze potential associations between two categorical variables?
Answer:
  • They display counts for every combination of categories from the two variables, making it easy to see potential patterns or links.

Classifier: Contains the AU spelling "analyse", which needs to be converted to "analyze" for US localization.

Verifier: Contains the AU spelling "analyse", which needs to be converted to "analyze" for US localization.

3K2jMMgvKm8MEBj9tCQK Localize Units (simple)
Multiple Choice
A particle moves in a straight line with velocity function $v(t) =6t^2+4t$ m s$^{-1}$. Describe the motion of the particle at $t=2$ s given that it was initially at rest.
Options:
  • The particle is $24$ m to the left of $O$, moving to the right with a speed of $32$ m s$^{-1}$
  • The particle is $24$ m to the left of $O$, moving to the left with a speed of $32$ m s$^{-1}$
  • The particle is $24$ m to the right of $O$, moving to the right with a speed of $32$ m s$^{-1}$
  • The particle is $24$ m to the right of $O$, moving to the left with a speed of $32$ m s$^{-1}$
Multiple Choice
A particle moves in a straight line with velocity function $v(t) =6t^2+4t$ ft s$^{-1}$. Describe the motion of the particle at $t=2$ s given that it was initially at rest.
Options:
  • The particle is $24$ ft to the left of $O$, moving to the right with a speed of $32$ ft s$^{-1}$
  • The particle is $24$ ft to the left of $O$, moving to the left with a speed of $32$ ft s$^{-1}$
  • The particle is $24$ ft to the right of $O$, moving to the right with a speed of $32$ ft s$^{-1}$
  • The particle is $24$ ft to the right of $O$, moving to the left with a speed of $32$ ft s$^{-1}$

Classifier: The text contains multiple metric units ("m s^{-1}", "m", "s") which require conversion to US customary units for localization.

Verifier: The text contains metric units (m, s, m/s) which require conversion to US customary units. The conversion is simple as it involves substituting values into a given function or interpreting results.

3e9f6d11-fca5-4918-a320-ed4edf243092 Localize Spelling (AU-US)
Question
Why do we count categories in a frequency table?
Answer:
  • Counting shows how often each category occurs, which helps organise the data and compare groups.
Question
Why do we count categories in a frequency table?
Answer:
  • Counting shows how often each category occurs, which helps organize the data and compare groups.

Classifier: The word "organise" uses the AU/UK 's' spelling and needs to be converted to the US 'z' spelling ("organize").

Verifier: The word "organise" in the answer content is AU/UK spelling and requires localization to "organize" for the US.

3rFFqBId5tPsrgnPkFDD Localize Terminology
Question
There are $16$ maths books, $31$ science books and $46$ English books on a bookshelf. What fraction of total books are science books? Express your answer in the simplest form.
Answer:
  • \frac{1}{3}
Question
There are $16$ math books, $31$ science books and $46$ English books on a bookshelf. What fraction of total books are science books? Express your answer in the simplest form.
Answer:
  • \frac{1}{3}

Classifier: Contains the term "maths", which is the standard AU/UK term; the US equivalent is "math".

Verifier: The term "maths" is the standard AU/UK term for the subject, whereas the US uses "math". This is a terminology difference in a school context.

3o8hF5jljnITTzKcxWkh Localize Units (simple)
Question
How much area is covered by the minute hand of a clock in $50$ minutes, given that the length of the minute hand is $13$ cm?
Answer:
  • 442.2
Question
How much area is covered by the minute hand of a clock in $50$ minutes, given that the length of the minute hand is $13$ in?
Answer:
  • 442.2

Classifier: The question contains metric units ("cm" and "cm^2") which require conversion for US localization.

Verifier: The question contains metric units ("cm" and "cm^2") which require conversion for US localization.

3bf2b459-659d-4dbd-a8b9-f8b985d4dea0 Localize Spelling (AU-US)
Question
How can understanding negative bases help solve problems involving patterns?
Hint: Visualise how exponents change the outcome of negatives.
Answer:
  • Understanding negative bases helps solve problems involving patterns by showing how signs alternate depending on the power.
Question
How can understanding negative bases help solve problems involving patterns?
Hint: Visualize how exponents change the outcome of negatives.
Answer:
  • Understanding negative bases helps solve problems involving patterns by showing how signs alternate depending on the power.

Classifier: The word "Visualise" in the hint field uses the AU/UK 's' spelling and needs to be converted to the US 'z' spelling ("Visualize").

Verifier: The word "Visualise" in the hint field is AU/UK spelling and requires localization to "Visualize".

3vDPfrjhkAFSOUEjrLIY Localize Units (simple)
Question
A cyclist rides $10$ km in an easterly direction and then travels $23$ km south. She then travels $50$ km on a bearing of $240^\circ \text{T}$. After the journey, how far south is the cyclist from her starting point?
Answer:
  • 48
Question
A cyclist rides $10$ mi in an easterly direction and then travels $23$ mi south. She then travels $50$ mi on a bearing of $240^\circ$. After the journey, how far south is the cyclist from her starting point?
Answer:
  • 48

Classifier: Contains metric units ("km") which require conversion for US localization.

Verifier: The question uses "km" (kilometres), which is a metric unit requiring conversion to US customary units (miles). The conversion is a straightforward distance calculation, fitting simple conversion.

461cd49f-77fb-4ce1-ab11-650ea64d7e7c Localize Spelling (AU-US)
Question
Why do timetables use columns to show different times and locations?
Answer:
  • Timetables use columns to show different times and locations to organise information clearly.
Question
Why do schedules use columns to show different times and locations?
Answer:
  • Schedules use columns to show different times and locations to organize information clearly.

Classifier: Contains the AU spelling "organise", which requires conversion to the US spelling "organize".

Verifier: The answer text contains the AU spelling "organise", which requires localization to the US spelling "organize".

3v6zX3d2t2s1TQUyEg5v Localize Terminology
Question
Write the equation $6x+3y=3$ in gradient-intercept form. Simplify where possible.
Options:
  • -2{x}+1
  • 1-2{x}
Question
Write the equation $6x+3y=3$ in slope-intercept form. Simplify where possible.
Options:
  • -2{x}+1
  • 1-2{x}

Classifier: The term "gradient-intercept form" is the standard AU term for what is typically called "slope-intercept form" in the US.

Verifier: The term "gradient-intercept form" is the standard AU term for what is called "slope-intercept form" in the US.

4IXiiZCIqFuV68EbLkyD Localize Units (simple)
Question
If Naruto can run a distance of $600$ m in $8$ sec, what is his average speed?
Answer:
  • 75
Question
If Naruto can run a distance of $600$ ft in $8$ sec, what is his average speed?
Answer:
  • 75

Classifier: The question contains metric units ("m" for metres and "m/s"), which require localization to US customary units or a decision on metric usage in US curriculum.

Verifier: The question contains metric units ("m" and "m/s") which require conversion for US localization. It is a simple conversion as it involves a single calculation and straightforward units.

4IroUAd4Luq2k58Wj28p Localize Units (simple)
Question
How many mL are there in $0.1$ L ?
Answer:
  • 100
Question
How many fl oz are there in $0.1$ gal ?
Answer:
  • 100

Classifier: The question is specifically about converting between metric units (mL and L), which is a metric-pedagogy question requiring localization.

Verifier: This is a metric-pedagogy question (converting mL to L). While it is a conversion within the metric system, the policy requires RED classification for metric units.

435cf9a2-bf87-49c9-ae4f-6eb7d51064f7 Localize Spelling (AU-US)
Question
How does understanding geometric sequences relate to modelling exponential growth?
Hint: Use the formula $a_n = a \times r^{n-1}$ to model growth.
Answer:
  • Geometric sequences represent exponential growth, showing how quantities multiply by a fixed ratio.
Question
How does understanding geometric sequences relate to modeling exponential growth?
Hint: Use the formula $a_n = a \times r^{n-1}$ to model growth.
Answer:
  • Geometric sequences represent exponential growth, showing how quantities multiply by a fixed ratio.

Classifier: The word "modelling" is the AU/UK spelling; the US spelling is "modeling".

Verifier: The word "modelling" is the AU/UK spelling; the US spelling is "modeling". This requires localization.

4ac4843c-5aad-4583-ad20-98e2fcf0f810 Localize Spelling (AU-US)
Question
Why is it important to organise $x$ and $y$ values in a table?
Answer:
  • A table shows how $x$ and $y$ are linked, keeps the values in order, and helps draw the graph.
Question
Why is it important to organize $x$ and $y$ values in a table?
Answer:
  • A table shows how $x$ and $y$ are linked, keeps the values in order, and helps draw the graph.

Classifier: Contains the AU spelling "organise", which needs to be converted to the US spelling "organize".

Verifier: The text contains "organise", which is the AU spelling. US spelling is "organize".

4630ee2b-405a-4f8a-b465-e43b1ee5251a Localize Terminology
Question
How can you verify your turning point form by expanding back to standard form?
Hint: Expand $(x-h)^2+k$ and compare it to the original equation.
Answer:
  • Verify the turning point form by expanding it back to the standard form and checking for equivalence.
Question
How can you verify your vertex form by expanding back to standard form?
Hint: Expand $(x-h)^2+k$ and compare it to the original equation.
Answer:
  • Verify the vertex form by expanding it back to the standard form and checking for equivalence.

Classifier: The term "turning point form" is the standard AU term for what is called "vertex form" in the US. This requires terminology localization.

Verifier: The term "turning point form" is the standard AU term for what is called "vertex form" in the US. This is a terminology localization requirement.

43LMeMoEktOg3YsHoqdh Localize Terminology
Multiple Choice
In $\triangle XYZ$ and $\triangle UVW$, $\angle X \cong \angle U$, $XZ \cong UW$, and $\angle Z \cong \angle W$. Which congruency test proves $\triangle XYZ \cong \triangle UVW$?
Options:
  • AAS
  • ASA
  • SAS
  • No congruency rule applies
Multiple Choice
In $\triangle XYZ$ and $\triangle UVW$, $\angle X \cong \angle U$, $XZ \cong UW$, and $\angle Z \cong \angle W$. Which congruence postulate proves $\triangle XYZ \cong \triangle UVW$?
Options:
  • AAS
  • ASA
  • SAS
  • No congruence rule applies

Classifier: The term "congruency" is typically used in AU/UK contexts, whereas "congruence" is the standard US term. Additionally, "congruency test" or "congruency rule" often maps to "congruence theorem" or "congruence postulate" in US curricula.

Verifier: The term "congruency test" and "congruency rule" are specific to AU/UK curriculum contexts, whereas US contexts typically use "congruence theorem", "congruence postulate", or simply "congruence".

4FBgpdcXtPFO9GJtlPFX Localize Terminology
Multiple Choice
Fill in the blank: If a straight line makes an angle of $\theta$ with the $[?]$, its gradient is given by the equation $m=\tan{\theta}$.
Options:
  • Negative $y-$axis
  • Negative $x-$axis
  • Positive $y-$axis
  • Positive $x-$axis
Multiple Choice
Fill in the blank: If a straight line makes an angle of $\theta$ with the $[?]$, its slope is given by the equation $m=\tan{\theta}$.
Options:
  • Negative $y-$axis
  • Negative $x-$axis
  • Positive $y-$axis
  • Positive $x-$axis

Classifier: While "gradient" is often a signal for AU/UK (vs US "slope"), it is widely used in US high school and college calculus/geometry contexts as well. However, looking at the decision rules, "gradient" is not explicitly listed as a RED terminology mapping in the prompt (unlike "right-angled triangle" or "maths"). Given the prompt's specific examples, this is likely acceptable as GREEN, though "slope" is more common in US K-12.

Verifier: The term "gradient" is the standard Australian/British term for what is called "slope" in US K-12 mathematics. While used in US higher education, in the context of "straight lines" and "m = tan(theta)", it is a primary indicator of AU/UK curriculum terminology and requires localization for a US audience.

3pS8646kLiVdLam9P363 Localize Spelling (AU-US)
Multiple Choice
Which of these equations is true when minimising the vertical distance between each data point and the regression line?
Options:
  • All of the above
  • $\large{m=\frac{\sum{(x_{i}-\bar{x})(y_{i}-\bar{y})}}{\sum{(y_{i}-\bar{y})^2}}}$
  • $c=\bar{x}-m\bar{y}$
  • $c=\bar{y}-m\bar{x}$
Multiple Choice
Which of these equations is true when minimizing the vertical distance between each data point and the regression line?
Options:
  • All of the above
  • $\large{m=\frac{\sum{(x_{i}-\bar{x})(y_{i}-\bar{y})}}{\sum{(y_{i}-\bar{y})^2}}}$
  • $c=\bar{x}-m\bar{y}$
  • $c=\bar{y}-m\bar{x}$

Classifier: The word "minimising" uses the AU/UK 's' spelling instead of the US 'z' spelling ("minimizing").

Verifier: The word "minimising" is the AU/UK spelling. US English uses "minimizing". Per rule 1, AU spelling always requires RED classification.

49df7953-1a29-4c56-9e5d-a0bd6e3a469b Localize Spelling (AU-US)
Question
Why does a geometric sequence grow faster than an arithmetic one?
Hint: Visualise how multiplication accelerates growth.
Answer:
  • A geometric sequence grows faster than an arithmetic one because it multiplies by a constant ratio, rather than adding a constant value.
Question
Why does a geometric sequence grow faster than an arithmetic one?
Hint: Visualize how multiplication accelerates growth.
Answer:
  • A geometric sequence grows faster than an arithmetic one because it multiplies by a constant ratio, rather than adding a constant value.

Classifier: The word "Visualise" in the hint field uses the AU/UK 's' spelling and requires conversion to the US 'z' spelling ("Visualize").

Verifier: The word "Visualise" in the hint field is the AU/UK spelling and requires localization to "Visualize" for the US locale.

4KnsrJS2uEpR3q9O4nTP Localize Spelling (AU-US)
Multiple Choice
Choose the correct option concerning the unit circle.
Options:
  • Radius $=2$ units, centre $=(0,1)$
  • Radius $=1$ unit, centre $=(0,0)$
  • Radius $=1$ unit, centre $=(1,0)$
  • Radius $=2$ units, centre $=(1,1)$
Multiple Choice
Choose the correct option concerning the unit circle.
Options:
  • Radius $=2$ units, center $=(0,1)$
  • Radius $=1$ unit, center $=(0,0)$
  • Radius $=1$ unit, center $=(1,0)$
  • Radius $=2$ units, center $=(1,1)$

Classifier: The text contains the AU spelling "centre" multiple times, which requires conversion to the US spelling "center".

Verifier: The text contains the AU spelling "centre" in all four answer choices, which requires localization to the US spelling "center".

4c1340f8-3e7c-4f5e-9811-2d5ef2ecbb0a Localize Spelling (AU-US)
Question
Why group terms in pairs when factorising?
Answer:
  • It can show common factors in each pair, which then combine into a shared bracket.
Question
Why group terms in pairs when factoring?
Answer:
  • It can show common factors in each pair, which then combine into a shared parenthesis.

Classifier: Contains the AU spelling "factorising", which must be localized to "factorizing" for a US audience.

Verifier: The text contains the AU spelling "factorising", which requires localization to "factorizing" for the US.

4dcee162-1c81-4f43-975f-152bf3e71b0e Localize Spelling (AU-US)
Question
How can analysing context help identify non-causal explanations for an association?
Answer:
  • Analysing context helps identify non-causal explanations for an association by considering all possible influences.
Question
How can analyzing context help identify non-causal explanations for an association?
Answer:
  • Analyzing context helps identify non-causal explanations for an association by considering all possible influences.

Classifier: Contains the AU spelling "analysing", which must be converted to the US spelling "analyzing".

Verifier: Contains "analysing" which is the AU/UK spelling; US spelling is "analyzing".

4eHkC1KPxO9sDNXKLD8X Localize Terminology
Multiple Choice
True or false: When an item is bought and regular payments of an agreed amount are made to pay its price, the payment is called a hire-purchase payment.
Options:
  • False
  • True
Multiple Choice
True or false: When an item is bought and regular payments of an agreed amount are made to pay its price, the payment is called an installment loan payment.
Options:
  • False
  • True

Classifier: The term "hire-purchase" is a specific British/Commonwealth term for what is typically called "installment plan" or "rent-to-own" in the US. This requires terminology localization.

Verifier: "Hire-purchase" is a Commonwealth term for installment plans/rent-to-own, requiring localization for a US audience.

4gh1E1MKv38FbaGONBWK Localize Spelling (AU-US)
Question
The seasonal index for an educational institute's fee is $0.94$. If the total fees collected were $\$25000$, what is the deseasonalised fee?
Answer:
  • 26595.74
Question
The seasonal index for an educational institute's fee is $0.94$. If the total fees collected were $\$25000$, what is the deseasonalized fee?
Answer:
  • 26595.74

Classifier: Contains the AU spelling "deseasonalised", which requires conversion to the US spelling "deseasonalized". While it uses the "$" sign, this is common to both locales and does not trigger a units conversion.

Verifier: Contains the AU spelling "deseasonalised", which requires localization to "deseasonalized".

53e4ff0e-94d4-48d5-bc66-faa69d3edcfb Localize Spelling (AU-US)
Question
Why do we use $x$ and $y$ tables when working with equations?
Answer:
  • They help us organise values and see the link between $x$ and $y$.
Question
Why do we use $x$ and $y$ tables when working with equations?
Answer:
  • They help us organize values and see the link between $x$ and $y$.

Classifier: Contains the AU spelling "organise", which needs to be converted to the US spelling "organize".

Verifier: The answer contains "organise", which is the AU spelling. US spelling is "organize".

545eaa72-a6ee-4c6e-b8ef-8a6420471825 Localize Spelling (AU-US)
Question
Why is identifying independence important in interpreting experimental results?
Hint: Consider how recognising independence avoids misinterpretation.
Answer:
  • Identifying independence is important in interpreting experimental results to ensure conclusions are not influenced by unrelated variables.
Question
Why is identifying independence important in interpreting experimental results?
Hint: Consider how recognizing independence avoids misinterpretation.
Answer:
  • Identifying independence is important in interpreting experimental results to ensure conclusions are not influenced by unrelated variables.

Classifier: The hint contains the AU spelling "recognising", which requires conversion to the US spelling "recognizing".

Verifier: The hint contains "recognising", which is the AU spelling. US spelling is "recognizing".

5bLowuLwxs4vbeIBuB6m Localize Spelling (AU-US)
Question
How many different arrangements are possible if the colour red must always come first? $\text{RED}\,$ $\text{BLUE}\,$ $\text{YELLOW}\,$ $\text{GREEN}\,$ $\text{PINK}$
Answer:
  • 24
Question
How many different arrangements are possible if the color red must always come first? $\text{RED}\,$ $\text{BLUE}\,$ $\text{YELLOW}\,$ $\text{GREEN}\,$ $\text{PINK}$
Answer:
  • 24

Classifier: Contains the AU spelling "colour", which needs to be converted to "color" for US localization.

Verifier: Contains the AU spelling "colour", which requires localization to "color".

5uejCNWf7o8qONkQELba Localize Units (simple)
Question
The perimeter of a square is $130$ cm. What is the length of one of its sides?
Answer:
  • 32.5
Question
The perimeter of a square is $130$ in. What is the length of one of its sides?
Answer:
  • 32.5

Classifier: The text contains the metric unit "cm" (centimetres), which requires localization to US customary units or a different unit context per the decision rules.

Verifier: The text contains the metric unit "cm" (centimetres), which requires localization to US customary units. It is a simple conversion as it involves a single value and a basic geometric property (perimeter of a square).

59SnMKfVCgaYxdUDAIee Localize Units (simple)
Question
A shopkeeper completely fills a carton with $15$ boxes of biscuits. Each box has dimensions $13$ cm $\times$ $5$ cm $\times$ $5$ cm. What is the volume of the carton?
Answer:
  • 4875
Question
A shopkeeper completely fills a carton with $15$ boxes of cookies. Each box has dimensions $13$ in $ imes$ $5$ in $ imes$ $5$ in. What is the volume of the carton?
Answer:
  • 4875

Classifier: The question contains metric units ("cm" and "cm^3") which require conversion or localization for a US audience.

Verifier: The question contains metric units ("cm" and "cm^3") which require conversion for a US audience. The calculation is a simple volume product, so simple conversion is appropriate.

64b41fed-e154-417a-87e7-46664d4a8bdc Localize Spelling (AU-US)
Question
Why do stem-and-leaf plots organise data using stems and leaves?
Answer:
  • They use stems and leaves so each number is split into two parts. For example, the stem shows the tens, and the leaf shows the ones.
Question
Why do stem-and-leaf plots organize data using stems and leaves?
Answer:
  • They use stems and leaves so each number is split into two parts. For example, the stem shows the tens, and the leaf shows the ones.

Classifier: Contains the AU spelling 'organise', which needs to be converted to the US spelling 'organize'.

Verifier: Contains "organise", which is the AU spelling; US English uses "organize".

653a117f-87d8-42c2-b226-2a60ac93489a Localize Units (simple)
Question
Why is it important to choose the right unit when measuring volume of large containers?
Answer:
  • Choosing the right unit makes the measurement easier to read and understand. For large containers, using litres instead of mL avoids very big numbers.
Question
Why is it important to choose the right unit when measuring volume of large containers?
Answer:
  • Choosing the right unit makes the measurement easier to read and understand. For large containers, using gallons instead of fl oz avoids very big numbers.

Classifier: The text contains metric units ('litres', 'mL') and AU-specific spelling ('litres'). Per the decision rules, any metric unit found anywhere results in at least a units conversion category.

Verifier: The text contains metric units ("litres", "mL") and AU spelling ("litres"), requiring conversion to US units (gallons/quarts or similar) and spelling ("liters").

5f50dd1c-84de-4210-8953-4340638dbb5a Localize Terminology
Question
Why must we find the highest common factor when simplifying ratios?
Answer:
  • The highest common factor divides each part fully, giving the ratio in its simplest form.
Question
Why must we find the greatest common factor when simplifying ratios?
Answer:
  • The greatest common factor divides each part fully, giving the ratio in its simplest form.

Classifier: The term "highest common factor" (HCF) is standard in AU/UK, whereas the US equivalent is typically "greatest common factor" (GCF).

Verifier: The term "highest common factor" (HCF) is the standard AU/UK terminology, whereas "greatest common factor" (GCF) is used in the US. This requires localization for the US market.

5e4b04ec-d1ac-4a44-a461-5cf3a50d074e Localize Terminology
Question
Why do horizontal lines always have zero gradient?
Answer:
  • Their rise is $0$, and $0$ divided by any run is $0$, so the gradient is $0$.
Question
Why do horizontal lines always have zero slope?
Answer:
  • Their rise is $0$, and $0$ divided by any run is $0$, so the slope is $0$.

Classifier: The term "gradient" is the standard AU/UK term for what is almost exclusively called "slope" in US school mathematics. While "gradient" is used in higher-level US math (calculus/vectors), in the context of "rise over run" and horizontal lines, "slope" is the required US localization.

Verifier: The term "gradient" is the standard AU/UK term for what is called "slope" in US school mathematics. In the context of "rise over run", "slope" is the required US localization.

5rjruVT4e43mpNudxgVq Localize Spelling (AU-US)
Question
Fully factorise the following expression: $-2x^6y^7z^3-4x^3y^3z$
Answer:
  • -2{x}^{3}{y}^{3}{z}({x}^{3}{y}^{4}{z}^{2}+2)
Question
Fully factor the following expression: $-2x^6y^7z^3-4x^3y^3z$
Answer:
  • -2{x}^{3}{y}^{3}{z}({x}^{3}{y}^{4}{z}^{2}+2)

Classifier: Contains the AU spelling "factorise", which needs to be converted to the US spelling "factorize".

Verifier: The text contains "factorise", which is the AU/British spelling. US spelling is "factorize".

5OykxIcMvmqzHxo9H0zp Localize Terminology
Multiple Choice
Fill in the blank: Co-interior angles are always $[?]$.
Options:
  • Congruent
  • Complementary
  • Equal
  • Supplementary
Multiple Choice
Fill in the blank: Consecutive interior angles are always $[?]$.
Options:
  • Congruent
  • Complementary
  • Equal
  • Supplementary

Classifier: The term "Co-interior angles" is standard in AU/UK geometry but is typically referred to as "Same-side interior angles" or "Consecutive interior angles" in US curriculum.

Verifier: The term "Co-interior angles" is specific to AU/UK/International curricula; the US equivalent is "Same-side interior" or "Consecutive interior" angles.

5tjKdCnyW99zRAJwUFuK Localize Terminology
Question
Find the simple interest rate per annum at which the principal amount $\$2300$ earns $\$80.50$ interest in $6$ months.
Hint: Convert the time in years.
Answer:
  • 7
Question
Find the simple interest rate per year at which the principal amount $2300 earns $80.50 interest in 6 months.
Hint: Convert the time to years.
Answer:
  • 7

Classifier: The abbreviation "p.a." (per annum) is much more common in AU/UK curricula. While "per annum" is understood in the US, US school math typically uses "per year" or simply "annual interest rate". More importantly, the suffix "p.a." is a specific notation style that usually requires localization to "per year" or removal in favor of "annual" in the question stem for US audiences.

Verifier: The use of "p.a." (per annum) is a specific AU/UK curriculum convention for interest rates. US curricula typically use "per year" or "annual".

5bd3379c-8968-4e24-9ae6-182d788fc390 Localize Spelling (AU-US)
Question
Why is a tally chart a good way to show and organise things?
Answer:
  • A tally chart puts things in groups. This makes it easy to see which group has more or less.
Question
Why is a tally chart a good way to show and organize things?
Answer:
  • A tally chart puts things in groups. This makes it easy to see which group has more or less.

Classifier: Contains the AU spelling "organise", which needs to be converted to "organize" for US localization.

Verifier: Contains the AU spelling "organise", which requires localization to "organize".

5oO2pQI9qWO4GnNDqYq4 Localize Spelling (AU-US)
Multiple Choice
How is $987$ written in words?
Options:
  • Nine and eighty-seven
  • Ninety -eight and seven
  • Nine hundred and eighty-seven
  • Nine eight seven
Multiple Choice
How is $987$ written in words?
Options:
  • Nine and eighty-seven
  • Ninety-eight and seven
  • Nine hundred eighty-seven
  • Nine eight seven

Classifier: The text uses the British/Australian convention of including "and" after "hundred" when writing numbers in words (e.g., "Nine hundred and eighty-seven"). In US English, the "and" is typically omitted for whole numbers (reserved for decimals). This is a stylistic/spelling-adjacent localization requirement.

Verifier: The use of "and" in "Nine hundred and eighty-seven" is a specific AU/UK convention for whole numbers that differs from US English (where "and" is omitted or reserved for decimals). This falls under spelling/stylistic localization.

55e6e4c0-33ae-463b-84bf-61c7c9413345 Localize Spelling (AU-US)
Question
How can interpreting histograms simplify analysing large datasets?
Answer:
  • Histograms group values into bars, making patterns in large datasets easier to see and compare.
Question
How can interpreting histograms simplify analyzing large datasets?
Answer:
  • Histograms group values into bars, making patterns in large datasets easier to see and compare.

Classifier: The word "analysing" uses the AU/UK 's' spelling and needs to be converted to the US 'z' spelling ("analyzing").

Verifier: The word "analysing" in the question is the AU/UK spelling and requires localization to "analyzing".

5LsperWJSPjr8YHAu8DZ Localize Units (simple)
Question
A triangle has a base length of $15$ cm and a height of $8$ cm. Find the area of the triangle.
Answer:
  • 60
Question
A triangle has a base length of $15$ in and a height of $8$ in. Find the area of the triangle.
Answer:
  • 60

Classifier: The text contains metric units ("cm" and "cm^2") which require conversion to US customary units (e.g., inches) for US localization.

Verifier: The text contains metric units "cm" and "cm^2" which require conversion to US customary units (inches/square inches). This is a simple numeric conversion.

63e01ce8-0a76-4076-bdb1-0b77a8b2d70c Localize Terminology
Question
Why is it important to understand parallelograms in maths or in real-life designs?
Answer:
  • Knowing about parallelograms helps us find missing sides and angles. It also helps in real-life work, like tiling floors or making patterns.
Question
Why is it important to understand parallelograms in math or in real-life designs?
Answer:
  • Knowing about parallelograms helps us find missing sides and angles. It also helps in real-life work, like tiling floors or making patterns.

Classifier: Contains the term 'maths', which is the standard AU term for the US 'math'.

Verifier: The term "maths" is the standard AU term and requires localization to "math" for US context.

5u9r1bGo09kVFGStPwx6 Localize Terminology
Question
A cumulative distribution function $F(x)$ for a continuous random variable $X$ is defined as: $F(x)=\begin{cases} 0&,x<-3 \\ \frac{(x^2+3x+3)(x+3)}{217} &, -3\le x\le 4 \\ 1 &, x>4 \end{cases} $ Find $Pr(X<2)$.
Answer:
  • \frac{65}{217}
Question
A cumulative distribution function $F(x)$ for a continuous random variable $X$ is defined as: $F(x)=\begin{cases} 0&,x<-3 \\ \frac{(x^2+3x+3)(x+3)}{217} &, -3\le x\le 4 \\ 1 &, x>4 \end{cases} $ Find $P(X<2)$.
Answer:
  • \frac{65}{217}

Classifier: The notation "Pr(X<2)" for probability is standard in Australia (VCE/HSC), whereas US curricula almost exclusively use "P(X<2)".

Verifier: The notation "Pr(X<2)" is the standard AU convention for probability, whereas US curricula almost exclusively use "P(X<2)".

5H5rsr6SMH7AYoEKJEYV Localize Spelling (AU-US)
Multiple Choice
Which of the following is the equation of a semicircle with centre at $(1,1)$ and radius $2$ units with its base on $y-$axis ?
Options:
  • $x=\pm\sqrt{4-(y-1)^{2}}-1$
  • $y=\pm\sqrt{4+(x-1)^{2}}+1$
  • $x=\pm\sqrt{4+(y-1)^{2}}+1$
  • $y=\pm\sqrt{4+(x+1)^{2}}-1$
Multiple Choice
Which of the following is the equation of a semicircle with center at $(1,1)$ and radius $2$ units with its base on the $y$-axis?
Options:
  • $x=\pm\sqrt{4-(y-1)^{2}}-1$
  • $y=\pm\sqrt{4+(x-1)^{2}}+1$
  • $x=\pm\sqrt{4+(y-1)^{2}}+1$
  • $y=\pm\sqrt{4+(x+1)^{2}}-1$

Classifier: Contains the AU spelling "centre", which needs to be converted to "center" for US localization.

Verifier: Contains the AU spelling "centre", which requires localization to "center" for the US market.

6608a805-4ae5-4f98-b423-cbf63a084e03 Localize Spelling (AU-US)
Question
Why do we use exponents in the formula for the $n\text{th}$ term?
Hint: Visualise how exponents simplify progression.
Answer:
  • We use exponents in the formula for the $n^{\text{th}}$ term because they represent repeated multiplication in geometric sequences.
Question
Why do we use exponents in the formula for the $n\text{th}$ term?
Hint: Visualize how exponents simplify progression.
Answer:
  • We use exponents in the formula for the $n^{\text{th}}$ term because they represent repeated multiplication in geometric sequences.

Classifier: The hint contains the AU/UK spelling "Visualise", which requires conversion to the US spelling "Visualize".

Verifier: The hint contains the AU/UK spelling "Visualise", which requires conversion to the US spelling "Visualize".

5KuDMRdEGxu5xcXP3nDJ Localize Spelling (AU-US)
Multiple Choice
Factorise $x^3 - 15 x^2 + 74 x - 120$.
Options:
  • $(x-4)(x-5)(x-6)$
  • $(x+4)(x-5)(x-8)$
  • $(x-4)(x+5)(x-7)$
  • $(x-6)(x-7)(x+4)$
Multiple Choice
Factor $x^3 - 15 x^2 + 74 x - 120$.
Options:
  • $(x-4)(x-5)(x-6)$
  • $(x+4)(x-5)(x-8)$
  • $(x-4)(x+5)(x-7)$
  • $(x-6)(x-7)(x+4)$

Classifier: Contains the AU spelling "Factorise", which needs to be converted to "Factorize" for US localization.

Verifier: Contains the AU spelling "Factorise", which requires localization to "Factorize" for the US market.

6PExikd1iftJjMKciCxW Localize Spelling (AU-US)
Question
Find the number of distinct prime factors that $126$ has using prime factorisation.
Answer:
  • 3
Question
Find the number of distinct prime factors that $126$ has using prime factorization.
Answer:
  • 3

Classifier: Contains the AU spelling "factorisation", which needs to be converted to the US spelling "factorization".

Verifier: Contains the AU spelling "factorisation", which needs to be converted to the US spelling "factorization".

6FTa7AohDXNnenlS8VwJ Localize Spelling (AU-US)
Question
How many pizza combinations are there if a shop offers $3$ sizes, $5$ flavours, and the choice of thick or thin crust?
Answer:
  • 30
Question
How many pizza combinations are there if a shop offers $3$ sizes, $5$ flavors, and the choice of thick or thin crust?
Answer:
  • 30

Classifier: Contains the AU spelling "flavours", which needs to be converted to the US spelling "flavors".

Verifier: Contains the AU spelling "flavours", which must be localized to "flavors" for the US locale.

67i7naTB08h912laD6PA Localize Terminology
Question
What is the $x$-coordinate of the turning point of the parabola $y=-4x^2-28x+35$ ?
Answer:
  • -3.5
Question
What is the $x$-coordinate of the vertex of the parabola $y=-4x^2-28x+35$ ?
Answer:
  • -3.5

Classifier: The term "turning point" is standard AU school terminology for the vertex of a parabola. In the US, "vertex" is the standard term.

Verifier: The term "turning point" is the standard Australian curriculum term for the vertex of a parabola. In the US, "vertex" is used almost exclusively.

693fc6a1-10f1-4fc4-abc8-d01c93800be0 Localize Units (simple)
Question
Why do grams change to kilograms the same way millilitres change to litres?
Answer:
  • Metric units follow the same pattern, so we divide or multiply by $10$, $100$, or $1000$ depending on the step, just like with litres and millilitres.
Question
Why do grams change to kilograms the same way milliliters change to liters?
Answer:
  • Metric units follow the same pattern, so we divide or multiply by $10$, $100$, or $1000$ depending on the step, just like with liters and milliliters.

Classifier: The text contains multiple metric units (grams, kilograms, millilitres, litres) and uses AU-specific spelling for "millilitres" and "litres". Per rule 6, units conversion is the most impactful change.

Verifier: The text contains multiple metric units (grams, kilograms, millilitres, litres) and uses AU-specific spelling for "millilitres" and "litres". Per rule 5, units conversion is the most impactful change.

6c03ffb9-446b-437b-af89-4d97485fc593 Localize Terminology
Question
Why is it important to know coins and notes when using money?
Answer:
  • It helps you count money and pay the right amount.
Question
Why is it important to know coins and bills when using money?
Answer:
  • It helps you count money and pay the right amount.

Classifier: The term "notes" in the context of money is the standard AU/UK term for what is called "bills" in the US.

Verifier: The term "notes" refers to paper currency, which is called "bills" in the US. This is a terminology difference.

6c7454c1-6d34-44a4-8b26-00bfa1fbe696 Localize Terminology
Question
What makes zero special in the null factor law?
Answer:
  • Zero is the only number that makes a product zero when multiplied by any factor.
Question
What makes zero special in the zero product property?
Answer:
  • Zero is the only number that makes a product zero when multiplied by any factor.

Classifier: The "null factor law" is the standard AU term for what is known as the "Zero Product Property" in the US.

Verifier: The "null factor law" is the standard Australian term for what is called the "Zero Product Property" in the US.

6fe26b81-0629-433f-9ddf-4544a4aea010 Localize Spelling (AU-US)
Question
Why do some expressions need grouping to be factorised?
Answer:
  • They have no single factor for all terms, so grouping is used to find common factors in pairs.
Question
Why do some expressions need grouping to be factored?
Answer:
  • They have no single factor for all terms, so grouping is used to find common factors in pairs.

Classifier: Contains the AU spelling 'factorised', which needs to be converted to the US spelling 'factorized'.

Verifier: Contains the AU spelling "factorised", which requires localization to "factorized".

6tVO2liCKAXes1HNMjRN Localize Units (simple)
Question
Find the height of a rectangular prism whose base area is $24$ cm$^2$ and its volume is $268.8$ cm$^3$.
Answer:
  • 11.2
Question
Find the height of a rectangular prism whose base area is $24$ in$^2$ and its volume is $268.8$ in$^3$.
Answer:
  • 11.2

Classifier: The text contains metric units ("cm", "cm^2", "cm^3") which require conversion for US localization.

Verifier: The text contains metric units ("cm", "cm^2", "cm^3") which require conversion for US localization. The conversion is a simple numeric change.

6b79a761-f56d-449c-8cb3-f58ddc1d5665 Localize Spelling (AU-US)
Question
Why do geometric sequences grow differently from arithmetic ones?
Hint: Visualise how multiplication results in faster growth compared to addition.
Answer:
  • Geometric sequences grow differently from arithmetic ones because they multiply by a ratio instead of adding a constant difference.
Question
Why do geometric sequences grow differently from arithmetic ones?
Hint: Visualize how multiplication results in faster growth compared to addition.
Answer:
  • Geometric sequences grow differently from arithmetic ones because they multiply by a ratio instead of adding a constant difference.

Classifier: Contains the AU spelling "Visualise", which requires conversion to the US spelling "Visualize".

Verifier: The word "Visualise" in the hint is the AU spelling; the US spelling is "Visualize".

6a6f81c6-c669-4649-8df7-1f78251b872b Localize Spelling (AU-US)
Question
Why do we need to identify which variable depends on the other?
Hint: Focus on how recognising these roles clarifies the data and its patterns.
Answer:
  • Identifying which variable depends on the other helps establish cause-and-effect relationships in experiments.
Question
Why do we need to identify which variable depends on the other?
Hint: Focus on how recognizing these roles clarifies the data and its patterns.
Answer:
  • Identifying which variable depends on the other helps establish cause-and-effect relationships in experiments.

Classifier: Contains the AU/UK spelling "recognising", which requires conversion to the US spelling "recognizing".

Verifier: The hint field contains the AU/UK spelling "recognising", which requires localization to the US spelling "recognizing".

6d157ff9-3e2b-462c-9f87-783811b98dd4 Localize Terminology
Question
Why do triangles need both angle and side measurements for classification?
Answer:
  • Angles show if a triangle is acute, right-angled or obtuse. Sides show if it is equilateral, isosceles or scalene. We need both to fully describe the type of triangle.
Question
Why do triangles need both angle and side measurements for classification?
Answer:
  • Angles show if a triangle is acute, right or obtuse. Sides show if it is equilateral, isosceles or scalene. We need both to fully describe the type of triangle.

Classifier: Contains the AU-specific term "right-angled triangle", which should be localized to "right triangle" in a US context.

Verifier: The answer contains "right-angled triangle", which is the standard AU/UK term. In a US context, this is typically "right triangle". This falls under terminology_school_context.

6GcJyq9lylEi2Ns8Skfw Localize Terminology
Multiple Choice
Express $y=-3 x^2 - 12 x - 11$ in turning point form.
Options:
  • $y=-3(x-2)^2-1$
  • $y=-3(x+2)^2+3$
  • $y=-3(x+2)^2+1$
  • $y=-2(x+3)^2+3$
Multiple Choice
Express $y=-3 x^2 - 12 x - 11$ in vertex form.
Options:
  • $y=-3(x-2)^2-1$
  • $y=-3(x+2)^2+3$
  • $y=-3(x+2)^2+1$
  • $y=-2(x+3)^2+3$

Classifier: The term "turning point form" is the standard AU/UK term for what is known as "vertex form" in the US.

Verifier: "Turning point form" is the AU/UK equivalent of the US "vertex form".

6PzLml8hSoeCmlzTw7Zs Localize Spelling (AU-US)
Multiple Choice
Factorise $P(x)=x^3 + x^2 - x - 1$.
Options:
  • $(x+1)(x+1)(x-1)$
  • $(x+1)(x+1)(x+1)$
  • $x(x-1)(x+1)$
  • $(x-1)(x+1)(x-1)$
Multiple Choice
Factor $P(x)=x^3 + x^2 - x - 1$.
Options:
  • $(x+1)(x+1)(x-1)$
  • $(x+1)(x+1)(x+1)$
  • $x(x-1)(x+1)$
  • $(x-1)(x+1)(x-1)$

Classifier: Contains the AU spelling "Factorise", which needs to be converted to the US spelling "Factorize".

Verifier: Contains the AU spelling "Factorise", which needs to be converted to the US spelling "Factorize".

71Lun8ZEmp4pQsmHtyWi Localize Units (simple)
Question
A trapezium has an area of $44$ cm$^2$ and one parallel side measuring $12$ cm. If its height is $4$ cm, find the length of the other parallel side.
Answer:
  • 10
Question
A trapezoid has an area of $44$ in$^2$ and one parallel side measuring $12$ in. If its height is $4$ in, find the length of the other parallel side.
Answer:
  • 10

Classifier: The text contains metric units (cm, cm^2) and the AU terminology "trapezium" (which is "trapezoid" in the US). Per decision rules, units conversion is the most impactful change.

Verifier: The text contains metric units (cm, cm^2) and the AU terminology "trapezium" (US: "trapezoid"). Units conversion is the primary classification.

6hklepJ3BpL9vbfiAdbr Localize Spelling (AU-US)
Question
The population of a town after $n$ years can be modelled using the recurrence relation: $P_{n+1}=1.4P_{n}-500;$ $P_{0}=10000$ For what value of $n$ will the population of the town be $35060$ ?
Answer:
  • 4
Question
The population of a town after $n$ years can be modeled using the recurrence relation: $P_{n+1}=1.4P_{n}-500;$ $P_{0}=10000$ For what value of $n$ will the population of the town be $35060$ ?
Answer:
  • 4

Classifier: The word "modelled" is the AU/UK spelling; the US spelling is "modeled".

Verifier: The word "modelled" is the AU/UK spelling; the US spelling is "modeled". Per rule 1, AU spelling always requires RED classification.

6CM0WEc0cZR6lffJjzzv Localize Spelling (AU-US)
Multiple Choice
Factorise the polynomial $P(x)=2 x^3 + 5 x^2 - 18 x - 45$.
Hint: Use the Rational Root Theorem.
Options:
  • $(x+1)(x-1)(2x+45)$
  • $(x+3)(x-3)(2x-5)$
  • $(x+3)(x+1)(2x-15)$
  • $(x+3)(x-3)(2x+5)$
Multiple Choice
Factor the polynomial $P(x)=2 x^3 + 5 x^2 - 18 x - 45$.
Hint: Use the Rational Root Theorem.
Options:
  • $(x+1)(x-1)(2x+45)$
  • $(x+3)(x-3)(2x-5)$
  • $(x+3)(x+1)(2x-15)$
  • $(x+3)(x-3)(2x+5)$

Classifier: Contains the AU spelling "Factorise", which needs to be converted to the US spelling "Factorize".

Verifier: Contains the AU spelling "Factorise", which requires localization to "Factorize" for the US locale.

70c18fcf-f371-4834-ad56-2a7b9beb304d Localize Spelling (AU-US)
Question
Why is understanding quadratic inequalities important for solving problems in algebra or optimisation?
Hint: Focus on how inequalities apply to real-world constraints.
Answer:
  • Quadratic inequalities show where a function is positive or negative, helping solve real problems like finding safe ranges or maximum profits in optimisation.
Question
Why is understanding quadratic inequalities important for solving problems in algebra or optimization?
Hint: Focus on how inequalities apply to real-world constraints.
Answer:
  • Quadratic inequalities show where a function is positive or negative, helping solve real problems like finding safe ranges or maximum profits in optimization.

Classifier: Contains the AU/UK spelling "optimisation", which requires conversion to the US spelling "optimization".

Verifier: The text contains "optimisation", which is the AU/UK spelling. US spelling is "optimization".

7106846c-5610-4ee7-be7b-c13be0fa34f0 Localize Spelling (AU-US)
Question
How does understanding the shape of cosine relate to modelling periodic motion?
Hint: Identify the amplitude and period of the cosine wave.
Answer:
  • The shape of cosine models periodic motion like waves, showing peaks and troughs over time.
Question
How does understanding the shape of cosine relate to modeling periodic motion?
Hint: Identify the amplitude and period of the cosine wave.
Answer:
  • The shape of cosine models periodic motion like waves, showing peaks and troughs over time.

Classifier: Contains the AU/UK spelling "modelling", which requires conversion to the US spelling "modeling".

Verifier: The text contains "modelling", which is the AU/UK spelling. US spelling is "modeling".

73b0dab5-8f4c-45c4-beee-9b854922d107 Localize Spelling (AU-US)
Question
Why are non-planar graphs impossible to draw on a flat surface without edges crossing?
Hint: Visualise how edge arrangement affects planarity.
Answer:
  • Non-planar graph connections require more than two dimensions to avoid overlaps.
Question
Why are non-planar graphs impossible to draw on a flat surface without edges crossing?
Hint: Visualize how edge arrangement affects planarity.
Answer:
  • Non-planar graph connections require more than two dimensions to avoid overlaps.

Classifier: The word "visualise" is the AU/UK spelling; the US spelling is "visualize".

Verifier: The word "visualise" in the hint is the AU/UK spelling; the US spelling is "visualize".

755c45e6-6cf4-435b-8a3e-d53bb20ee09f Localize Spelling (AU-US)
Question
What makes tree diagrams useful for multi-step probability problems?
Hint: Each branch represents a possible path for events.
Answer:
  • Tree diagrams are useful for multi-step probability problems because they organise possible outcomes clearly.
Question
What makes tree diagrams useful for multi-step probability problems?
Hint: Each branch represents a possible path for events.
Answer:
  • Tree diagrams are useful for multi-step probability problems because they organize possible outcomes clearly.

Classifier: The word "organise" is used in the answer field, which is the AU spelling. The US spelling is "organize".

Verifier: The answer contains "organise", which is the AU spelling (US: organize).

758129f6-9fab-457a-a10e-a081edb28b32 Localize Spelling (AU-US)
Question
Why does changing the centre angle affect both the sector and triangle areas differently?
Answer:
  • Changing the central angle affects both the sector and triangle areas differently because the angle directly changes the arc length and height.
Question
Why does changing the center angle affect both the sector and triangle areas differently?
Answer:
  • Changing the central angle affects both the sector and triangle areas differently because the angle directly changes the arc length and height.

Classifier: The word "centre" is used in the question, which is the AU spelling. The US spelling is "center".

Verifier: The question contains "centre", which is the AU spelling (US: center).

7563cc71-0ad3-402e-8693-8e51ac042492 Localize Spelling (AU-US)
Question
Why do non-planar graphs not satisfy Euler’s formula?
Hint: Visualise how crossings disrupt the structure.
Answer:
  • Non-planar graphs do not satisfy Euler’s formula because crossings violate its assumptions.
Question
Why do non-planar graphs not satisfy Euler’s formula?
Hint: Visualize how crossings disrupt the structure.
Answer:
  • Non-planar graphs do not satisfy Euler’s formula because crossings violate its assumptions.

Classifier: The word "Visualise" is used in the hint, which is the AU spelling. The US spelling is "Visualize".

Verifier: The hint contains "Visualise", which is the AU spelling (US: Visualize).

7654f513-c911-428a-800b-042007d4e1e2 Localize Answer set
Question
Why do trapeziums and parallelograms need different names?
Answer:
  • They are both quadrilaterals, but a trapezium has one pair of parallel sides and a parallelogram has two.
Question
Why do trapezoids and parallelograms need different names?
Answer:
  • They are both quadrilaterals, but a trapezoid has one pair of parallel sides and a parallelogram has two.

Classifier: The term "trapezium" (used in AU/UK) must be converted to "trapezoid" for US learners. This is a high-impact terminology change where the answer set/definitions differ between locales.

Verifier: The term "trapezium" is the standard AU/UK term for what is called a "trapezoid" in the US. This requires terminology localization.

788a315a-0df4-4c39-b707-339956f9406d Localize Terminology
Question
Why is it important to understand place value?
Answer:
  • Place value helps to know if a number means $5$, $50$, or $500$. This makes it easier to solve maths problems.
Question
Why is it important to understand place value?
Answer:
  • Place value helps to know if a number means $5$, $50$, or $500$. This makes it easier to solve math problems.

Classifier: The text uses the term "maths", which is the standard AU/UK term and must be localized to "math" for a US audience.

Verifier: The text uses the term "maths", which is the standard AU/UK term and must be localized to "math" for a US audience.

7b65b051-4e24-4356-9f6f-3dc54006ebcb Localize Spelling (AU-US)
Question
Why is analysing subgraphs useful in solving problems like social or transport networks?
Answer:
  • Analysing subgraphs is useful in solving problems like social or transport networks by identifying critical paths or connections.
Question
Why is analyzing subgraphs useful in solving problems like social or transportation networks?
Answer:
  • Analyzing subgraphs is useful in solving problems like social or transportation networks by identifying critical paths or connections.

Classifier: The word "analysing" is the AU/UK spelling; the US spelling is "analyzing".

Verifier: The word "analysing" is the AU/UK spelling; the US spelling is "analyzing".

78ac2ae8-ad30-415b-b011-909f9ddb03b2 Localize Spelling (AU-US)
Question
How can mastering transformations simplify solving problems in contexts like signal processing or wave modelling?
Hint: Consider how transformations adjust the graph to fit real-world data.
Answer:
  • Mastering transformations simplifies solving problems in contexts like signal processing or wave modelling by providing a framework for understanding periodic behaviour.
Question
How can mastering transformations simplify solving problems in contexts like signal processing or wave modeling?
Hint: Consider how transformations adjust the graph to fit real-world data.
Answer:
  • Mastering transformations simplifies solving problems in contexts like signal processing or wave modeling by providing a framework for understanding periodic behavior.

Classifier: The text contains the AU spelling "behaviour" and "modelling", which require conversion to US spellings "behavior" and "modeling".

Verifier: The text contains the AU spelling "behaviour" and "modelling", which require conversion to US spellings "behavior" and "modeling".

7TaITDBr0vzY4cqSZcIr Localize Terminology
Multiple Choice
Fill in the blank: The longest side of a right-angled triangle is known as the $[?]$.
Options:
  • Altitude
  • Hypotenuse
  • Opposite side
  • Adjacent side
Multiple Choice
Fill in the blank: The longest side of a right triangle is known as the $[?]$.
Options:
  • Altitude
  • Hypotenuse
  • Opposite side
  • Adjacent side

Classifier: Contains the AU-specific term "right-angled triangle", which should be localized to "right triangle" for a US audience.

Verifier: The term "right-angled triangle" is the standard AU/UK term, whereas "right triangle" is used in the US. This requires terminology localization.

7bBJLsBHUWTfyION4sq8 Localize Terminology
Question
George has $26$ lollies and Jacob has $5$. How many more does George have?
Answer:
  • 21
Question
George has $26$ pieces of candy and Jacob has $5$. How many more does George have?
Answer:
  • 21

Classifier: The term "lollies" is a specific AU/UK term for candy/sweets that is not typically used in US educational contexts.

Verifier: The term "lollies" is a specific AU/UK term for candy/sweets that is not typically used in US educational contexts.

8LcJIkXo572FKtJ5JECb Localize Units (simple)
Question
Convert $0.2$ L to cm$^3$.
Answer:
  • 200
Question
Convert $0.2$ gal to in$^3$.
Answer:
  • 200

Classifier: Contains metric units "L" (litres) and "cm^3" (cubic centimeters). Per decision rules, any metric unit requires at least RED.units_simple_conversion.

Verifier: Contains metric units "L" (litres) and "cm^3", which requires RED classification per rule 3.

8JDkrUm86ZKzpvPFpsUL Localize Units (simple)
Question
An observer on a hill at $50$ m above ground level observes a tree at the hill's base. The angle of depression to the tree top is $30^\circ$ and to the bottom is $45^\circ$. Calculate the tree's height.
Answer:
  • 21.13
Question
An observer on a hill at $50$ ft above ground level observes a tree at the hill's base. The angle of depression to the tree top is $30^\circ$ and to the bottom is $45^\circ$. Calculate the tree's height.
Answer:
  • 21.13

Classifier: Contains the metric unit "m" (metres) for height and distance, which requires conversion for US localization.

Verifier: The text contains the metric unit "m" (metres), which requires conversion for US localization.

7d7a1ff4-97f5-40ed-868b-593e77966a05 Localize Units (simple)
Question
How do centimetres and metres help us measure small and big things?
Answer:
  • Centimetres show small steps for little things, and metres show bigger steps for large things.
Question
How do inches and feet help us measure small and big things?
Answer:
  • Inches show small steps for little things, and feet show bigger steps for large things.

Classifier: Contains metric units ("centimetres", "metres") and AU-specific spelling of those units. Per rule 1, any metric unit disqualifies GREEN.

Verifier: Contains metric units ("centimetres", "metres") and AU-specific spelling of those units. Per rule 1 and 3, this requires RED classification.

8INRs3AkosTg1zdmYyM3 Localize Units (simple)
Question
A particle moves in a straight line and has the velocity function $v(t)=2t-t^2$ m/s for $t\geq0$. Find the distance travelled by the particle from $t=6$ to $t=9$ seconds.
Answer:
  • 126
Question
A particle moves in a straight line and has the velocity function $v(t)=2t-t^2$ ft/s for $t\geq0$. Find the distance traveled by the particle from $t=6$ to $t=9$ seconds.
Answer:
  • 126

Classifier: Contains metric units "m/s" and "m" which require localization to US customary units or a decision on metric usage in US physics contexts. Per rule 1, any metric unit disqualifies GREEN.

Verifier: The text contains metric units "m/s" and "m", which require localization for the US market.

8V3IQEtKrIP6R7jhRgTV Localize Units (simple)
Question
A parallelogram has a length of $12$ cm and a height of $8$ cm. What will be its area if the length is doubled?
Answer:
  • 192
Question
A parallelogram has a length of $12$ in and a height of $8$ in. What will be its area if the length is doubled?
Answer:
  • 192

Classifier: Contains metric units "cm" and "cm^2" which require conversion to US customary units.

Verifier: The question uses metric units "cm" and "cm^2", which require conversion to US customary units. The conversion is simple as it involves a basic geometric calculation.

8b36a186-8cef-431d-a1a1-a4c4a9a35a85 Localize Spelling (AU-US)
Question
How does understanding decimal form relate to recognising irrational numbers?
Answer:
  • Rational numbers have decimals that end or repeat. If the decimal goes on forever without repeating, the number is irrational.
Question
How does understanding decimal form relate to recognizing irrational numbers?
Answer:
  • Rational numbers have decimals that end or repeat. If the decimal goes on forever without repeating, the number is irrational.

Classifier: The word "recognising" uses the AU/UK 's' spelling; the US equivalent is "recognizing".

Verifier: The word "recognising" uses the AU/UK 's' spelling, which requires localization to "recognizing" for a US audience.

7be5eed5-f527-43d1-807c-dbe8205e0d15 Localize Spelling (AU-US)
Question
Why does a frequency table help organise data into categories?
Hint: Think about how categories make data easier to analyse.
Answer:
  • A frequency table helps organise data into categories by grouping values and tallying their occurrences.
Question
Why does a frequency table help organize data into categories?
Hint: Think about how categories make data easier to analyze.
Answer:
  • A frequency table helps organize data into categories by grouping values and tallying their occurrences.

Classifier: Contains AU spellings "organise" and "analyse" which require conversion to "organize" and "analyze" for US localization.

Verifier: Contains AU spellings "organise" and "analyse" which require conversion to "organize" and "analyze" for US localization.

8054d5d8-4134-43f6-b1d7-2346c9d98def Localize Spelling (AU-US)
Question
How does understanding bridges relate to analysing networks?
Answer:
  • Bridges connect different parts of a network, helping us understand how sections are linked or dependent.
Question
How does understanding bridges relate to analyzing networks?
Answer:
  • Bridges connect different parts of a network, helping us understand how sections are linked or dependent.

Classifier: Contains the AU spelling "analysing", which requires conversion to the US spelling "analyzing".

Verifier: The word "analysing" is the AU/British spelling and requires localization to the US spelling "analyzing".

86qTTCGGQzOmjuRZJAO6 Localize Units (simple)
Question
An object travels in one dimension according to the displacement function $s(t)=8t^2+5t+3$ m for $0\leq t\leq12$ s. Find the initial displacement of the object.
Answer:
  • 3
Question
An object travels in one dimension according to the displacement function $s(t)=8t^2+5t+3$ ft for $0\leq t\leq12$ s. Find the initial displacement of the object.
Answer:
  • 3

Classifier: The text contains the metric unit "m" (metres) for displacement. According to the decision rules, any metric unit requires classification into a units category.

Verifier: The text contains the metric unit "m" (metres) for displacement. According to rule 3, any metric unit requires a RED classification. Since it is a simple numeric evaluation at t=0, simple_conversion is appropriate.

8QPRA3el0DpU2qfbDQWU Localize Units (simple)
Multiple Choice
Fill in the blank. $745.98$ mL$=[?]$ cm$^3$
Options:
  • $7.4598$
  • $74598$
  • $0.74598$
  • $745.98$
Multiple Choice
Fill in the blank. $745.98$ fl oz$=[?]$ in$^3$
Options:
  • $7.4598$
  • $74598$
  • $0.74598$
  • $745.98$

Classifier: The question explicitly uses metric units (mL and cm^3) and tests the conversion between them. Per decision rules, any metric unit requires RED classification.

Verifier: The question involves metric units (mL and cm^3) and their conversion, which requires RED classification per the decision rules.

84115df6-2c4b-49de-a04b-2fe67ba75dc9 Localize Spelling (AU-US)
Question
How do two-way tables help us understand relationships between categories of events?
Answer:
  • They organise outcomes into two categories at once, making it easier to compare groups and see patterns in the data.
Question
How do two-way tables help us understand relationships between categories of events?
Answer:
  • They organize outcomes into two categories at once, making it easier to compare groups and see patterns in the data.

Classifier: The word "organise" uses the AU/UK 's' spelling and needs to be converted to the US 'z' spelling ("organize").

Verifier: The word "organise" in the answer content is the AU/UK spelling and requires localization to "organize" for the US locale.

8aPVY9dSFtWvUhTV9woj Localize Units (simple)
Question
A man was driving a van at an acceleration of $a(t)=6t^2+4t-2$ km/h$^2$ for time $t\geq0$ in hours. Find the instantaneous velocity at $t=2$ hours if the initial velocity was $65$ km/h.
Hint: Initial velocity is the velocity for $t=0$.
Answer:
  • 85
Question
A man was driving a van at an acceleration of $a(t)=6t^2+4t-2$ mi/h$^2$ for time $t\geq0$ in hours. Find the instantaneous velocity at $t=2$ hours if the initial velocity was $65$ mi/h.
Hint: Initial velocity is the velocity for $t=0$.
Answer:
  • 85

Classifier: The text contains multiple instances of metric units ("km/h", "km/h^2") which require conversion to US customary units (mph) for US localization.

Verifier: The question uses metric units (km/h and km/h^2) which require conversion for US localization. Although there is a function $a(t)$, it is a simple polynomial and the conversion of the final answer and the initial velocity constant is straightforward.

7d94c1e2-1acb-415c-a669-7e9c1cd1d493 Localize Terminology
Question
Why does the sign of $a$ in $y = ax^2 + bx + c$ affect the direction of the turning point?
Answer:
  • The sign of $a$ in $y = ax^2 + bx + c$ affects the direction of the turning point by determining the parabola’s opening.
Question
Why does the sign of $a$ in $y = ax^2 + bx + c$ affect the direction of the vertex?
Answer:
  • The sign of $a$ in $y = ax^2 + bx + c$ affects the direction of the vertex by determining the parabola’s opening.

Classifier: Uses the term "turning point", which is standard AU/UK terminology for the vertex of a parabola. In a US context, "vertex" is the standard term.

Verifier: Uses the term "turning point", which is standard AU/UK terminology for the vertex of a parabola. In a US context, "vertex" is the standard term.

8a013401-4af3-4c8f-8d76-b1506702d81d Localize Terminology
Question
Why does point-gradient form make finding equations of a line through points easier?
Answer:
  • It uses a known point and the gradient, so you can write the equation directly without extra steps.
Question
Why does point-slope form make finding equations of a line through points easier?
Answer:
  • It uses a known point and the slope, so you can write the equation directly without extra steps.

Classifier: The text uses the term "gradient", which is the standard AU/UK term for "slope" in a US school context. Additionally, "point-gradient form" maps to "point-slope form" in the US.

Verifier: The text uses "gradient" and "point-gradient form", which are standard AU/UK terms that map to "slope" and "point-slope form" in a US context.

7fbe637e-df86-44fa-aa4a-f9e93747c292 Localize Spelling (AU-US)
Question
Why do vertical transformations apply to the entire equation while horizontal transformations apply to $x$?
Hint: Visualise how each transformation modifies the graph.
Answer:
  • Vertical transformations apply to the entire equation while horizontal transformations apply to $x$ because vertical changes affect outputs, while horizontal changes affect inputs.
Question
Why do vertical transformations apply to the entire equation while horizontal transformations apply to $x$?
Hint: Visualize how each transformation modifies the graph.
Answer:
  • Vertical transformations apply to the entire equation while horizontal transformations apply to $x$ because vertical changes affect outputs, while horizontal changes affect inputs.

Classifier: Contains the AU/UK spelling "Visualise", which requires conversion to the US spelling "Visualize".

Verifier: Contains the AU/UK spelling "Visualise" in the hint, which requires conversion to the US spelling "Visualize".

8JRfuc4NJIEiofWY4k2x Localize Spelling (AU-US)
Multiple Choice
Which of the following is wrong about activity networks?
Options:
  • First and last edge is labelled
  • First and last vertices are labelled
  • All vertices are labelled
  • All edges are labelled
Multiple Choice
Which of the following is incorrect regarding activity networks?
Options:
  • First and last edges are labeled
  • First and last vertices are labeled
  • All vertices are labeled
  • All edges are labeled

Classifier: Contains the AU spelling "labelled" (double 'l'), which should be "labeled" in US English.

Verifier: The text contains the AU spelling "labelled" (double 'l') in multiple answer choices, which is "labeled" in US English.

815CsuH474q6vFoDTWrX Localize Terminology
Question
Make $y$ the subject of the formula. $x = \frac{3-2y}{5}+2$
Options:
  • \frac{13}{2}-\frac{(5{x})}{2}
  • -\frac{(5{x})}{2}+\frac{13}{2}
  • \frac{(13-5{x})}{2}
Question
Solve the formula for $y$. $x = \frac{3-2y}{5}+2$
Options:
  • \frac{13}{2}-\frac{(5{x})}{2}
  • -\frac{(5{x})}{2}+\frac{13}{2}
  • \frac{(13-5{x})}{2}

Classifier: The phrase "Make y the subject of the formula" is a common AU/UK mathematical convention. In the US, this is typically phrased as "Solve the literal equation for y" or "Solve for y in terms of x".

Verifier: The phrase "Make y the subject of the formula" is a specific AU/UK mathematical convention. In the US, this is typically "Solve for y".

8W0hkt21yJzDIhBJE4iC Localize Units (simple)
Multiple Choice
A tank is $\Large\frac{2}{3}$ full of water. After $12$ litres of water are removed, the tank is now $\Large\frac{1}{2}$ full. Which equation represents the total capacity of the tank in litres, where $C$ is the total capacity?
Options:
  • ${\Large\frac{2}{3}}C = -12 + {\Large\frac{1}{2}}C$
  • ${\Large\frac{1}{2}}C - 12 ={\Large \frac{2}{3}}C$
  • ${\Large\frac{2}{3}}C - 12 = {\Large\frac{1}{2}}C$
  • $C - 12 = {\Large\frac{1}{2}}C$
Multiple Choice
A tank is $\Large\frac{2}{3}$ full of water. After $12$ gallons of water are removed, the tank is now $\Large\frac{1}{2}$ full. Which equation represents the total capacity of the tank in gallons, where $C$ is the total capacity?
Options:
  • ${\Large\frac{2}{3}}C = -12 + {\Large\frac{1}{2}}C$
  • ${\Large\frac{1}{2}}C - 12 ={\Large \frac{2}{3}}C$
  • ${\Large\frac{2}{3}}C - 12 = {\Large\frac{1}{2}}C$
  • $C - 12 = {\Large\frac{1}{2}}C$

Classifier: Contains the metric unit "litres" which uses AU spelling and requires conversion to US customary units (e.g., gallons).

Verifier: The text contains the metric unit "litres" (AU spelling) which requires conversion to US customary units. The conversion is a straightforward numeric change in the context of a linear equation.

8c3ce254-a286-4325-ba3b-172718b4e472 Localize Spelling (AU-US)
Question
Why is the radius one unit for a unit circle?
Answer:
  • The unit circle is defined that way, so every point on it is $1$ unit from the centre.
Question
Why is the radius one unit for a unit circle?
Answer:
  • The unit circle is defined that way, so every point on it is $1$ unit from the center.

Classifier: The answer content contains the AU spelling "centre", which needs to be localized to the US spelling "center".

Verifier: The answer contains the AU spelling "centre", which requires localization to "center".

8b8b9ba4-afec-48f9-921f-7446ba3c62cd Localize Spelling (AU-US)
Question
How can understanding combined transformations help solve real-world problems involving graphs?
Hint: Visualise how transformations model complex scenarios.
Answer:
  • Understanding combined transformations helps solve real-world problems involving graphs by explaining how multiple factors interact.
Question
How can understanding combined transformations help solve real-world problems involving graphs?
Hint: Visualize how transformations model complex scenarios.
Answer:
  • Understanding combined transformations helps solve real-world problems involving graphs by explaining how multiple factors interact.

Classifier: The word "visualise" uses the AU/UK 's' spelling; the US equivalent is "visualize".

Verifier: The word "Visualise" in the hint field uses the AU/UK 's' spelling; the US equivalent is "Visualize".

8ox5ObDwR6mH6KlqrFzQ Localize Units (simple)
Question
Maria walks from her house to school and back to her house. The total time it takes her is $2$ hours. If she walks at $8$ km/hour, what is the distance between her house and school?
Answer:
  • 8
Question
Maria walks from her house to school and back to her house. The total time it takes her is $2$ hours. If she walks at $8$ mi/hour, what is the distance between her house and school?
Answer:
  • 8

Classifier: The text contains metric units ("km/hour" and "km") which require conversion to US customary units (miles).

Verifier: The question contains metric units "km/hour" and "km" which require conversion to US customary units (miles).

8f17b4f1-1a40-47a5-a192-03194eb5f178 Localize Units (simple)
Question
How does understanding both metric and imperial systems relate to solving real-world measurement problems?
Hint: Use conversion factors like $1\,\text{inch} = 2.54\,\text{cm}$.
Answer:
  • Understanding both systems helps us convert between units, ensuring accurate measurements in diverse contexts.
Question
How does understanding both metric and US customary systems relate to solving real-world measurement problems?
Hint: Use conversion factors like $1\,\text{inch} = 2.54\,\text{cm}$.
Answer:
  • Understanding both systems helps us convert between units, ensuring accurate measurements in diverse contexts.

Classifier: The text explicitly contains the metric unit "cm" in the hint. Per decision rules, any metric unit found anywhere requires classification into a units category.

Verifier: The hint contains the metric unit "cm". Per rule 3, any metric unit requires at least RED.units_simple_conversion.

92q61ta83pNYF2YLMaQe Localize Units (complex)
Question
The velocity function of a particle is given by $v(t)=4t+5$ mm/s for $t\geq0$. Find the average speed of the particle in the first $5$ seconds.
Answer:
  • 15
Question
The velocity function of a particle is given by $v(t)=4t+5$ in/s for $t\geq0$. Find the average speed of the particle in the first $5$ seconds.
Answer:
  • 15

Classifier: The text contains the metric unit "mm/s" (millimetres per second), which requires localization/conversion according to the decision rules.

Verifier: The question contains a metric unit "mm/s" within a velocity function equation v(t)=4t+5. According to rule 4, equations defining quantities in metric or requiring re-deriving formula coefficients should be classified as RED.units_complex_converted.

8cd31557-f7b0-4b8d-baf2-c2f4fd1195d7 Localize Spelling (AU-US)
Question
How can the period of a periodic function help identify its behaviour?
Hint: Focus on how the period sets the function's rhythm.
Answer:
  • The period of a periodic function helps identify its behaviour by showing the interval at which the function completes one full cycle.
Question
How can the period of a periodic function help identify its behavior?
Hint: Focus on how the period sets the function's rhythm.
Answer:
  • The period of a periodic function helps identify its behavior by showing the interval at which the function completes one full cycle.

Classifier: The text contains the AU spelling "behaviour" in multiple fields, which requires conversion to the US spelling "behavior".

Verifier: The text contains the AU spelling "behaviour" in the question and answer, which requires conversion to the US spelling "behavior".

96cef9d9-b33a-4623-af8e-25d01de6cc40 Localize Spelling (AU-US)
Question
Why do we group items in sets?
Answer:
  • We group items in sets to organise them, compare them, and see patterns more easily.
Question
Why do we group items in sets?
Answer:
  • We group items in sets to organize them, compare them, and see patterns more easily.

Classifier: Contains the AU spelling "organise", which requires conversion to the US spelling "organize".

9MgJQNlf3RIrqvavsmtI Localize Units (simple)
Question
How many cubic metres are there in $7$ kL?
Answer:
  • 7
Question
How many cubic feet are there in $7$ kilogallons?
Answer:
  • 7

Classifier: Contains metric units (kL, cubic metres) and AU spelling of "metres". Units conversion is the higher priority classification.

Verifier: The text contains metric units (kL, cubic metres) and the AU spelling "metres". Per rule 5, units conversion is the primary classification.

8qYKsHrD1nrXvfY8Wrxf Localize Units (simple)
Question
An object moves in a straight line, and its position at time $t$ seconds is given by $s(t)=5(t^3-4t)$ m. Find the average speed in the first $2$ seconds.
Hint: You can use its motion diagram.
Answer:
  • 15.4
Question
An object moves in a straight line, and its position at time $t$ seconds is given by $s(t)=5(t^3-4t)$ ft. Find the average speed in the first $2$ seconds.
Hint: You can use its motion diagram.
Answer:
  • 15.4

Classifier: The text contains metric units ("m" for metres and "m/s" for metres per second) which require conversion to US customary units (feet or meters depending on specific curriculum, but usually flagged for conversion in US localization).

Verifier: The text contains metric units "m" (metres) and "m/s" (metres per second). According to rule 3, any metric unit requires at least RED.units_simple_conversion. The conversion is straightforward (average speed over a time interval), so simple conversion is appropriate.

9ZD0Xox5Jrt2Ex98RXwK Localize Units (simple)
Question
Fill in the blank: $2.60$ L $=[?]$ mL
Answer:
  • 2600
Question
Fill in the blank: $2.60$ gal $=[?]$ fl oz
Answer:
  • 333

Classifier: The question explicitly requires conversion between metric units (L to mL). All metric units trigger a RED classification.

Verifier: The question involves metric units (L and mL), which requires RED classification per rule 3.

9NpxM1LYBCQPcQUvBvPx Localize Units (simple)
Question
How many mL are there in $40$ cm$^3$ ?
Answer:
  • 40
Question
How many fl oz are there in $40$ in$^3$ ?
Answer:
  • 40

Classifier: Contains metric units (mL, cm^3). Any metric unit requires at least simple conversion classification.

Verifier: The question involves converting between metric units (mL and cm^3). Any metric unit requires at least RED.units_simple_conversion.

99b2a379-7ef6-41dc-89bc-473793b51010 Localize Spelling (AU-US)
Question
Why do we need to recognise conditional language in probability?
Answer:
  • Recognising conditional language in probability is essential to apply the correct formulas and methods.
Question
Why do we need to recognize conditional language in probability?
Answer:
  • Recognizing conditional language in probability is essential to apply the correct formulas and methods.

Classifier: Contains the AU spelling "recognise" and "Recognising", which should be "recognize" and "Recognizing" in US English.

Verifier: Contains AU spelling "recognise" and "Recognising" which require localization to "recognize" and "Recognizing".

953536c0-54a0-4c50-a4c9-e86ea2c97194 Localize Spelling (AU-US)
Question
Why do planar graphs help in designing network layouts like circuits?
Hint: Use planar graphs to create efficient designs.
Answer:
  • Planar graphs help in designing network layouts like circuits by minimising overlapping connections.
Question
Why do planar graphs help in designing network layouts like circuits?
Hint: Use planar graphs to create efficient designs.
Answer:
  • Planar graphs help in designing network layouts like circuits by minimizing overlapping connections.

Classifier: The word "minimising" uses the AU/UK 's' spelling and needs to be converted to the US 'z' spelling ("minimizing").

Verifier: The answer text contains "minimising", which is the AU/UK spelling. This requires localization to "minimizing".

9305e79a-6194-4772-a3c4-fc6291c2d352 Localize Spelling (AU-US)
Question
Why do we need to consider both horizontal and vertical stretches in periodic functions?
Hint: Visualise how stretches modify the graph’s appearance.
Answer:
  • We need to consider both horizontal and vertical stretches in periodic functions to fully describe changes in amplitude and frequency.
Question
Why do we need to consider both horizontal and vertical stretches in periodic functions?
Hint: Visualize how stretches modify the graph’s appearance.
Answer:
  • We need to consider both horizontal and vertical stretches in periodic functions to fully describe changes in amplitude and frequency.

Classifier: The text contains the AU spelling "Visualise", which needs to be converted to the US spelling "Visualize".

Verifier: The hint contains the AU spelling "Visualise", which requires localization to "Visualize".

965eaac3-324f-4fb6-b3c1-428c141fd7d2 Localize Terminology
Question
What makes $(x-h)^2 + k$ the turning point form of a quadratic?
Hint: Identify $h$ and $k$ as the turning point of the parabola.
Answer:
  • $(x-h)^2+k$ is the turning point form because $h$ and $k$ directly represent the vertex coordinates.
Question
What makes $(x-h)^2 + k$ the vertex form of a quadratic?
Hint: Identify $h$ and $k$ as the vertex of the parabola.
Answer:
  • $(x-h)^2+k$ is the vertex form because $h$ and $k$ directly represent the vertex coordinates.

Classifier: The term "turning point form" is the standard AU term for what is known as "vertex form" in the US. The answer content even explicitly links "turning point form" to "vertex coordinates", confirming the mapping.

Verifier: The term "turning point form" is the standard Australian curriculum term for what is called "vertex form" in the US. This is a terminology difference that requires localization.

9aqQ7HlwRC1H7hu7XAF9 Localize Metadata
Multiple Choice
Fill in the blank: In Melbourne, $500$ randomly selected households are surveyed on income, expenditure, and family size. The $[?]$ consists of $500$ households.
Options:
  • Census
  • Sample
Multiple Choice
Fill in the blank: In Chicago, $500$ randomly selected households are surveyed on income, expenditure, and family size. The $[?]$ consists of $500$ households.
Options:
  • Census
  • Sample

Classifier: The text contains a specific AU city reference ("Melbourne") in a word problem context. While not a spelling or unit error, it is a locale-specific reference that typically requires localization to a US city for US-market alignment.

Verifier: The text contains a specific Australian city reference ("Melbourne") which requires localization for the US market.

9DowMF98bEapcoeS2k3J Localize Terminology
Multiple Choice
Which of the following is the equation of a parabola with turning point $(1,3)$ ?
Options:
  • $y=(x+1)^2+3$
  • $y=(x-1)^2+3$
  • $y=(x+1)^2-3$
  • $y=(x-1)^2-3$
Multiple Choice
Which of the following is the equation of a parabola with vertex $(1,3)$ ?
Options:
  • $y=(x+1)^2+3$
  • $y=(x-1)^2+3$
  • $y=(x+1)^2-3$
  • $y=(x-1)^2-3$

Classifier: The term "turning point" is standard AU school terminology for the "vertex" of a parabola in US curriculum.

Verifier: The term "turning point" is the standard AU curriculum term for what is called the "vertex" in the US. This requires localization for terminology.

93d2b9ba-81da-42cf-b910-9bb459530b9b Localize Spelling (AU-US)
Question
Why does the graph of the cosine function oscillate between $-1$ and $1$?
Hint: Visualise how the line crosses the parabola twice, creating two intersection points.
Answer:
  • Cosine is defined as the $x$-coordinate on the unit circle (radius $1$, centre at origin). The $x$-values on this circle only go from $-1$ to $1$.
Question
Why does the graph of the cosine function oscillate between $-1$ and $1$?
Hint: Visualize how the line crosses the parabola twice, creating two intersection points.
Answer:
  • Cosine is defined as the $x$-coordinate on the unit circle (radius $1$, center at origin). The $x$-values on this circle only go from $-1$ to $1$.

Classifier: The text contains multiple AU-specific spellings: "Visualise" (US: Visualize) and "centre" (US: center).

Verifier: The text contains AU-specific spellings: "Visualise" (US: Visualize) in the hint and "centre" (US: center) in the answer.

9b1XIh4lHH4q7MnoYXkS Localize Terminology
Multiple Choice
Which of the following is not a recurring decimal?
Options:
  • $0.44...$
  • $0.\overline{4535}$
  • $1.10101$
  • $0.\overline{3}$
Multiple Choice
Which of the following is not a repeating decimal?
Options:
  • $0.44...$
  • $0.\overline{4535}$
  • $1.10101$
  • $0.\overline{3}$

Classifier: The term "recurring decimal" is the standard AU/UK term, whereas the US equivalent is "repeating decimal".

Verifier: The term "recurring decimal" is the standard AU/UK term; the US equivalent is "repeating decimal".

9bRjh8wQRt3WdAVqnhSJ Localize Units (simple)
Question
A wooden log has a circular cross-section with a diameter of $5.4$ cm. What is its circumference to the nearest whole number?
Answer:
  • 17
Question
A wooden log has a circular cross-section with a diameter of $5.4$ in. What is its circumference to the nearest whole number?
Answer:
  • 17

Classifier: The question contains the metric unit "cm" (centimetres), which requires conversion to US customary units (e.g., inches) for US localization.

Verifier: The question contains the metric unit "cm" (centimetres), which requires conversion to US customary units for US localization. It is a simple conversion as it involves a single value and a basic geometric formula.

9e1cd1bc-ae87-4685-b077-f18b2923a60a Localize Terminology
Question
Why do you distribute the negative sign to each term within a bracket when multiplying?
Answer:
  • The bracket is one group, so the negative multiplies the whole group. To do this, each term inside must change sign.
Question
Why do you distribute the negative sign to each term within parentheses when multiplying?
Answer:
  • The parentheses are one group, so the negative multiplies the whole group. To do this, each term inside must change sign.

Classifier: The term "bracket" is predominantly used in AU/UK math contexts where US contexts use "parentheses". In the context of distributing a sign, "parentheses" is the standard US term.

Verifier: The term "bracket" is the standard AU/UK term for what is referred to as "parentheses" in US math contexts.

9naOeUGdmWhx3MkZWu8W Localize Terminology
Multiple Choice
Fill in the blank: Year levels in a school are considered $[?]$ data.
Options:
  • Nominal
  • Ordinal
Multiple Choice
Fill in the blank: Grade levels in a school are considered $[?]$ data.
Options:
  • Nominal
  • Ordinal

Classifier: The term "Year levels" is specific to the AU/UK school systems. In a US context, this is referred to as "Grade levels".

Verifier: The term "Year levels" is specific to AU/UK/NZ school systems; the US equivalent is "Grade levels". This requires localization.

9f3c68d5-1651-4046-9d6b-e9323bbce5d5 Localize Spelling (AU-US)
Question
Why do we use hundreds, tens, and ones to show numbers up to $1000$?
Answer:
  • Using hundreds, tens, and ones keeps the numbers organised so we can read and write them easily.
Question
Why do we use hundreds, tens, and ones to show numbers up to $1000$?
Answer:
  • Using hundreds, tens, and ones keeps the numbers organized so we can read and write them easily.

Classifier: The answer contains the AU spelling "organised", which requires conversion to the US spelling "organized".

Verifier: The answer contains "organised", which is the AU/UK spelling. US spelling is "organized".

9ed2b544-4b31-443c-9d00-62d455631a0a Localize Terminology
Question
Why do different quadrilaterals have different features?
Answer:
  • Quadrilaterals have different features in their sides and angles. This helps us tell shapes like squares, rectangles, and trapeziums apart.
Question
Why do different quadrilaterals have different features?
Answer:
  • Quadrilaterals have different features in their sides and angles. This helps us tell shapes like squares, rectangles, and trapezoids apart.

Classifier: The text uses the term "trapeziums". In the US, this shape is called a "trapezoid". This is a significant terminology difference in geometry.

Verifier: The primary classifier correctly identified the terminology issue ("trapeziums" vs "trapezoids") but picked the wrong category leaf. Terminology differences in geometry belong in RED.terminology_school_context, not RED.answer_set_consistency_required.

9e1c643c-8c9a-45e1-b9be-e319925a8528 Localize Terminology
Question
How are index laws important for working with scientific notation?
Hint: Focus on how congruent triangles guarantee equality of their components.
Answer:
  • Scientific notation uses powers of $10$. Index laws provide the rules for multiplying or dividing these powers when performing calculations with numbers in scientific notation.
Question
How are exponent rules important for working with scientific notation?
Hint: Focus on how congruent triangles guarantee equality of their components.
Answer:
  • Scientific notation uses powers of $10$. Exponent rules provide the rules for multiplying or dividing these powers when performing calculations with numbers in scientific notation.

Classifier: The term "index laws" is the standard AU/UK term for what is referred to as "exponent rules" or "laws of exponents" in the US. While "scientific notation" is neutral, "index laws" is a specific school-context terminology difference.

Verifier: The term "index laws" is the standard AU/UK term for what is referred to as "exponent rules" or "laws of exponents" in the US. This is a specific school-context terminology difference.

9e646584-f28a-49b0-9edb-1a9b9f4c2394 Localize Spelling (AU-US)
Question
How do key features of sine curves relate to modelling real-world patterns?
Hint: Focus on the height (amplitude) and cycle length (period).
Answer:
  • Key features like amplitude and period of sine curves help model periodic phenomena such as waves.
Question
How do key features of sine curves relate to modeling real-world patterns?
Hint: Focus on the height (amplitude) and cycle length (period).
Answer:
  • Key features like amplitude and period of sine curves help model periodic phenomena such as waves.

Classifier: Contains the AU spelling "modelling", which should be "modeling" in US English.

Verifier: Contains the AU spelling "modelling", which should be "modeling" in US English.

9ntjXTg3CfIXajZqb4QQ Localize Units (simple)
Question
An object is moving with a velocity of $20$ m/s. It then accelerates at a rate of $a(t)=-5t$ m/s$^2$, $t\geq0$ where $t$ is in seconds. Find the instantaneous velocity $v(t)$ of the object at $t=6$ s.
Answer:
  • -70
Question
An object is moving with a velocity of $20$ ft/s. It then accelerates at a rate of $a(t)=-5t$ ft/s$^2$, $t\geq0$ where $t$ is in seconds. Find the instantaneous velocity $v(t)$ of the object at $t=6$ s.
Answer:
  • -70

Classifier: The text contains multiple metric units (m/s, m/s^2, s, m s^-1). According to the decision rules, any metric unit found anywhere in the text requires classification into a units category.

Verifier: The text contains multiple metric units (m/s, m/s^2, s). According to the decision rules, any metric unit found anywhere in the text requires classification into a units category. Since the values are used in a basic calculus/kinematics context without complex interlinked unit systems or re-deriving coefficients, simple conversion is appropriate.

9fb15a55-29a7-4ee0-aebc-4adda8422fcf Localize Spelling (AU-US)
Question
Why is understanding subsets important for solving problems in set theory?
Hint: Think about how subsets help in organising and analysing sets.
Answer:
  • Understanding subsets is important for solving problems in set theory because it clarifies relationships between groups of elements.
Question
Why is understanding subsets important for solving problems in set theory?
Hint: Think about how subsets help in organizing and analyzing sets.
Answer:
  • Understanding subsets is important for solving problems in set theory because it clarifies relationships between groups of elements.

Classifier: The hint contains the AU spellings "organising" and "analysing", which require conversion to "organizing" and "analyzing".

Verifier: The hint contains "organising" and "analysing", which are AU/UK spellings. US spellings are "organizing" and "analyzing".

9ietkw19UGThlZRAaba0 Localize Units (simple)
Multiple Choice
What are the correct dimensions of a rectangle with area $30$ cm$^2$ and perimeter $34$ cm?
Options:
  • $12$ cm $\times$ $5$ cm
  • $6$ cm $\times$ $5$ cm
  • $15$ cm $\times$ $2$ cm
  • $10$ cm $\times$ $3$ cm
Multiple Choice
What are the correct dimensions of a rectangle with area $30$ in$^2$ and perimeter $34$ in?
Options:
  • $12$ in $\times$ $5$ in
  • $6$ in $\times$ $5$ in
  • $15$ in $\times$ $2$ in
  • $10$ in $\times$ $3$ in

Classifier: The question and all answer choices contain the metric unit "cm" (centimetres), which requires localization to US customary units (e.g., inches).

Verifier: The question and answers contain the metric unit "cm", which requires conversion to US customary units.

9paSbM9LqPSFd85WBD9T Localize Spelling (AU-US)
Multiple Choice
True or false: Theoretical probability is given by the ratio of the number of favourable outcomes to the total number of possible outcomes.
Options:
  • False
  • True
Multiple Choice
True or false: Theoretical probability is given by the ratio of the number of favorite outcomes to the total number of possible outcomes.
Options:
  • False
  • True

Classifier: The text contains the AU spelling "favourable", which needs to be converted to the US spelling "favorable".

Verifier: The text contains "favourable", which is AU spelling. Rule 1 states AU spelling always requires RED classification.

AmcCiEHxX9DNEDnufSfr Localize Terminology
Question
A line has a gradient of $-\frac{1}{3}$. What is the gradient of the line perpendicular to it?
Answer:
  • 3
Question
A line has a slope of $-\frac{1}{3}$. What is the slope of the line perpendicular to it?
Answer:
  • 3

Classifier: The term "gradient" is the standard AU term for the steepness of a line, whereas the US standard term is "slope".

Verifier: The term "gradient" is the standard AU term for the steepness of a line, whereas the US standard term is "slope".

A8I8IG2FwDnbWqITWY0u Localize Units (simple)
Question
Fill in the blank: $1$ gram $=[?]$ kilograms
Answer:
  • 0.001
Question
Fill in the blank: $1$ ounce $=[?]$ pounds
Answer:
  • 0.063

Classifier: The text contains metric units ("gram" and "kilograms") which require conversion or localization to US customary units per the decision rules.

Verifier: The text contains metric units "gram" and "kilograms". According to rule 3, any metric unit found anywhere requires at least RED.units_simple_conversion.

B7Suq0836yVwuGcDrC5W Localize Spelling (AU-US)
Question
If you draw lines from the vertices of a regular polygon to its centre, a number of angles are formed. What is the sum of these angles?
Answer:
  • 360
Question
If you draw lines from the vertices of a regular polygon to its center, a number of angles are formed. What is the sum of these angles?
Answer:
  • 360

Classifier: Contains the AU spelling "centre", which needs to be converted to the US spelling "center".

Verifier: The text contains "centre", which is the AU/British spelling. It must be localized to "center" for the US locale.

A77UNL41FfRYNNWhS8bt Localize Terminology
Multiple Choice
Fill in the blank. Suppose you are given a scatterplot whose line of regression has a negative gradient, then the correlation coefficient of that scatterplot is $[?]$.
Options:
  • Negative
  • Positive
Multiple Choice
Fill in the blank. Suppose you are given a scatterplot whose line of regression has a negative slope, then the correlation coefficient of that scatterplot is $[?]$.
Options:
  • Negative
  • Positive

Classifier: The term "gradient" in the context of a line of regression is standard AU/UK terminology, whereas US curriculum typically uses "slope".

Verifier: The use of "gradient" instead of "slope" in the context of a regression line is a specific terminology difference between AU/UK and US curricula.

9xlqLQJ0LeI2dpXuH6aH Localize Spelling (AU-US)
Question
Rationalise the denominator and simplify ${\Large\frac{3+2\sqrt{2}}{3-2\sqrt{2}}}$.
Answer:
  • 17+12\sqrt{2}
Question
Rationalize the denominator and simplify ${\Large\frac{3+2\sqrt{2}}{3-2\sqrt{2}}}$.
Answer:
  • 17+12\sqrt{2}

Classifier: The word "Rationalise" uses the AU/UK "s" spelling; the US equivalent is "Rationalize".

Verifier: The word "Rationalise" uses the AU/UK "s" spelling; the US equivalent is "Rationalize". Per rule 1, this requires RED classification.

ApeLswsIA4DBcnObHBoE Localize Spelling (AU-US)
Multiple Choice
How many prime factors are there in the prime factorisation of $770$ ?
Options:
  • $7$
  • $6$
  • $4$
  • $2$
Multiple Choice
How many prime factors are there in the prime factorization of $770$ ?
Options:
  • $7$
  • $6$
  • $4$
  • $2$

Classifier: The word "factorisation" uses the AU/UK 's' spelling and needs to be converted to the US 'z' spelling ("factorization").

Verifier: Contains "factorisation", which is the AU/UK spelling. US spelling is "factorization".

9vhKF0JOpjJck7XIGSXn Localize Units (simple)
Question
A hall is in the shape of a parallelogram. The length of the hall is $60$ m and the height is $40$ m. What is the area of the hall's floor?
Answer:
  • 2400
Question
A hall is in the shape of a parallelogram. The length of the hall is $60$ ft and the height is $40$ ft. What is the area of the hall's floor?
Answer:
  • 2400

Classifier: The question uses metric units ("m" for metres and "m$^2$" for square metres), which requires conversion to US customary units (feet/yards).

Verifier: The question uses metric units ("m" and "m$^2$"), which requires conversion to US customary units. It is a simple area calculation, so simple_conversion is appropriate.

B4K9wToHQJL2rkxs88Gr Localize Spelling (AU-US)
Multiple Choice
A company has to lay out a LAN network for their organisation. They used a minimum spanning tree to connect every building. Will this help reduce the cost of the cable and the time needed to install the network?
Options:
  • No
  • Yes
Multiple Choice
A company has to lay out a LAN network for their organization. They used a minimum spanning tree to connect every building. Will this help reduce the cost of the cable and the time needed to install the network?
Options:
  • No
  • Yes

Classifier: Contains the AU spelling "organisation", which needs to be converted to the US spelling "organization".

Verifier: The text contains the AU/British spelling "organisation", which requires localization to the US spelling "organization".

B1ebBhc7aE0G1lztOrwd Localize Units (simple)
Question
Calculate the volume of a rectangular prism that has a base of $2$ m$\times4$ m, and a height of $6$ m.
Answer:
  • 48
Question
Calculate the volume of a rectangular prism that has a base of $2$ ft$\times4$ ft, and a height of $6$ ft.
Answer:
  • 48

Classifier: The question contains metric units ("m" for metres and "m^3" for cubic metres) which require conversion for US localization.

Verifier: The question uses metric units ("m" and "m^3") which require conversion to US customary units. It is a simple conversion as it involves a basic volume calculation.

Alt4GZyPeGUX9kbKP1Fx Localize Spelling (AU-US)
Multiple Choice
How is $334$ written in words?
Options:
  • Three hundred and forty
  • Three hundred and thirty
  • Thirty-three and four
  • Three hundred and thirty-four
Multiple Choice
How is $334$ written in words?
Options:
  • Three hundred forty
  • Three hundred thirty
  • Thirty-three and four
  • Three hundred thirty-four

Classifier: In US English, the word "and" is typically omitted when writing whole numbers (e.g., "Three hundred thirty-four" vs AU "Three hundred and thirty-four"). While often considered a stylistic or convention difference, in a school context, US curriculum standards (CCSS) explicitly teach writing whole numbers without "and" (which is reserved for the decimal point).

Verifier: The answer choices use the AU/British convention of including "and" when writing whole numbers in words (e.g., "Three hundred and thirty-four"). In US English pedagogy, "and" is reserved for the decimal point and is omitted in whole numbers.

A11P6MromhmO9gBRUKjk Localize Units (simple)
Question
In triangle $\text{ABC}$, $\angle B=35^\circ,AB=6$ cm and $AC=3.5$ cm. If $\angle C$ is an obtuse angle, then find the value of $\angle C$.
Answer:
  • 100.494
Question
In triangle $\text{ABC}$, $\angle B=35^\circ,AB=6$ in and $AC=3.5$ in. If $\angle C$ is an obtuse angle, then find the value of $\angle C$.
Answer:
  • 100.494

Classifier: The text contains the metric unit "cm", which requires localization for a US audience.

Verifier: The text contains the metric unit "cm", which requires localization for a US audience.

ApulGCP3G15BrMzAw0I7 Localize Terminology
Question
A man invested $\$100$ at the compound interest rate of $10\%$ p.a. Find the amount at which the interest will be calculated for $2^{\text{nd}}$ year.
Answer:
  • 110
Question
A man invested $\$100$ at the compound interest rate of $10\%$ per year. Find the amount at which the interest will be calculated for the $2^{\text{nd}}$ year.
Answer:
  • 110

Classifier: The term "p.a." (per annum) is common in AU financial mathematics but is typically replaced by "per year" or "annually" in US K-12 contexts. Additionally, while the dollar sign is used, the phrasing "amount at which the interest will be calculated" is slightly more common in Commonwealth curricula, though the "p.a." is the primary trigger for localization here.

Verifier: The abbreviation "p.a." (per annum) is specific to Commonwealth financial mathematics and is not standard in US K-12 education, where "per year" or "annually" is used.

AtYazjHG3qC3Af7l7qDm Localize Spelling (AU-US)
Multiple Choice
What is $x^2(x+3)-5(2x+6)$ in factorised form?
Options:
  • $(x^2-10)(x-3)$
  • $(x^2-10)(x+3)$
  • $(x^2-5)(x+3)$
  • $(x^2+5)(x+3)$
Multiple Choice
What is $x^2(x+3)-5(2x+6)$ in factored form?
Options:
  • $(x^2-10)(x-3)$
  • $(x^2-10)(x+3)$
  • $(x^2-5)(x+3)$
  • $(x^2+5)(x+3)$

Classifier: Contains the AU spelling "factorised", which needs to be converted to the US spelling "factorized".

Verifier: The text contains "factorised", which is the AU/UK spelling. US spelling is "factorized".

AfEHunlNZwRLv4QrlhGe Localize Units (simple)
Question
Jim yelled, "Hello!" near a cliff and heard an echo $0.1$ seconds later. If the speed of sound is $340$ m/s, how far was Jim from the cliff?
Hint: Jim's distance from the cliff is equal to half the total distance travelled by the sound.
Answer:
  • 17
Question
Jim yelled, "Hello!" near a cliff and heard an echo $0.1$ seconds later. If the speed of sound is $340$ ft/s, how far was Jim from the cliff?
Hint: Jim's distance from the cliff is equal to half the total distance traveled by the sound.
Answer:
  • 17

Classifier: The text contains metric units ('m/s' and 'm') which require conversion or localization for a US audience.

Verifier: The question contains metric units ('m/s' and 'm') which require conversion for the US locale.

BGbsN6mLDVci0Hysd6dZ Localize Units (simple)
Multiple Choice
A wooden cylindrical log is $4$ m long and has a circumference of $ 44$ cm. Find its volume.
Options:
  • 6.16 m$^3$
  • $2210.56$ cm$^3$
  • $0.0616$ m$^3$
  • $0.616$ m$^3$
Multiple Choice
A wooden cylindrical log is $4$ ft long and has a circumference of $ 44$ in. Find its volume.
Options:
  • 6.16 ft$^3$
  • $2210.56$ in$^3$
  • $0.0616$ ft$^3$
  • $0.616$ ft$^3$

Classifier: The question contains multiple metric units ("m", "cm", "m$^3$", "cm$^3$") which require conversion to US customary units.

Verifier: The question contains metric units (m, cm, m^3, cm^3) which require conversion to US customary units. The conversion is straightforward (simple).

Asb5gTmIYVzrWYuIbKe9 Localize Units (simple)
Multiple Choice
A particle starts at rest and is moving with an acceleration of $a(t)=6t+2$ m/s$^2$ at time $t$ seconds. Find the velocity function $v(t)$.
Options:
  • None of the above
  • $v(t)=6t^2+2t$ m/s
  • $v(t)=3t^2+2t$ m/s
  • $v(t)=12t^2+2t$ m/s
Multiple Choice
A particle starts at rest and is moving with an acceleration of $a(t)=6t+2$ ft/s$^2$ at time $t$ seconds. Find the velocity function $v(t)$.
Options:
  • None of the above
  • $v(t)=6t^2+2t$ ft/s
  • $v(t)=3t^2+2t$ ft/s
  • $v(t)=12t^2+2t$ ft/s

Classifier: The text contains metric units "m/s^2" and "m/s" which require conversion or localization to US customary units in a physics/kinematics context.

Verifier: The text contains metric units "m/s^2" and "m/s" which require conversion to US customary units (e.g., ft/s^2).

AR2mCDyPagLkKdDxZ44y Localize Terminology
Multiple Choice
Which of the following is a Pythagorean triple?
Hint: A Pythagorean triple is a set of integer side lengths that make up a right-angled triangle.
Options:
  • $\{6,8,10\}$
  • $\{15,20,22\}$
  • $\{8,15,16\}$
  • $\{1,3,1\}$
Multiple Choice
Which of the following is a Pythagorean triple?
Hint: A Pythagorean triple is a set of integer side lengths that make up a right triangle.
Options:
  • $\{6,8,10\}$
  • $\{15,20,22\}$
  • $\{8,15,16\}$
  • $\{1,3,1\}$

Classifier: Contains the AU-specific term "right-angled triangle", which should be localized to "right triangle" for a US audience.

Verifier: The term "right-angled triangle" is the standard AU/British term, whereas "right triangle" is the standard US term. This requires localization.

BLihQ0c3ui8Fnxb8zgXe Localize Terminology
Question
What is the highest common factor of $28$ and $64$ ?
Answer:
  • 4
Question
What is the greatest common factor of $28$ and $64$ ?
Answer:
  • 4

Classifier: The term "highest common factor" (HCF) is standard in AU/UK, whereas the US equivalent is typically "greatest common factor" (GCF).

Verifier: The term "highest common factor" (HCF) is the standard terminology in Australia/UK, whereas "greatest common factor" (GCF) is standard in the US. This is a terminology difference.

BN0isIqxS0hX7VFx4gqv Localize Units (simple)
Question
How many mL are there in $0.002$ cm$^{3}$ ?
Answer:
  • 0.002
Question
How many fl oz are there in $0.002$ in$^{3}$ ?
Answer:
  • 0.002

Classifier: The question explicitly uses and asks for conversion between metric units (mL and cm^3). Per rule 1, any metric unit requires classification as RED.units_*.

Verifier: The question explicitly uses and asks for conversion between metric units (mL and cm^3). Per rule 3, any metric unit requires classification as RED.units_*. This is a simple conversion.

BSzNY07Y5pSKcWpMgsil Localize Units (simple)
Question
The perimeter of a rectangle is $40$ cm. If the length of the rectangle is $4$ cm greater than its width, find its length.
Answer:
  • 12
Question
The perimeter of a rectangle is $40$ in. If the length of the rectangle is $4$ in greater than its width, find its length.
Answer:
  • 12

Classifier: The text contains the metric unit "cm" multiple times, which requires conversion to US customary units (e.g., inches) for US localization.

Verifier: The text contains the metric unit "cm" which requires conversion to US customary units. The math is a simple linear relationship, so simple_conversion is appropriate.

BZO8SoaZIiXjSWuMoHox Localize Units (simple)
Question
How many mL are there in $3.5$ L ?
Answer:
  • 3500
Question
How many fl oz are there in $3.5$ gal ?
Answer:
  • 448

Classifier: The question explicitly uses and asks for conversions between metric units (mL and L). Per the decision rules, any metric unit requires classification into a RED.units category.

Verifier: The question involves converting between metric units (L and mL), which requires RED classification per the decision rules.

CLs8Nu6zAH6ClKpKZRb9 Localize Spelling (AU-US)
Question
Factorise $3xz+6x$
Answer:
  • 3{x}({z}+2)
Question
Factor $3xz+6x$
Answer:
  • 3{x}({z}+2)

Classifier: The word "Factorise" uses the AU/UK 's' spelling. The US equivalent is "Factorize".

Verifier: The word "Factorise" is the AU/UK spelling; the US spelling is "Factorize". Per rule 1, AU spelling always requires RED classification.

Bjj7StjZWAr11ge755Di Localize Units (simple)
Question
Convert $9800$ g into kilograms.
Answer:
  • 9.8
Question
Convert $9800$ oz into pounds.
Answer:
  • 612.5

Classifier: The question is a direct metric conversion task (grams to kilograms). This is explicitly covered under RED.units_simple_conversion.

Verifier: The question is a direct metric conversion task (grams to kilograms), which requires localization to US customary units or a decision on metric usage.

BNqZFSak9fav2qiK3XgM Localize Spelling (AU-US)
Multiple Choice
Factorise the polynomial $x^2-4$.
Options:
  • $x(x-4)$
  • Cannot be factorised
  • $(x-2)(x+2)$
  • $(x-1)(x-4)$
Multiple Choice
Factor the polynomial $x^2-4$.
Options:
  • $x(x-4)$
  • Cannot be factored
  • $(x-2)(x+2)$
  • $(x-1)(x-4)$

Classifier: The text uses the AU spelling "Factorise" and "factorised". In US English, these should be "Factorize" and "factorized".

Verifier: The text contains "Factorise" and "factorised", which are AU/British spellings. US English uses "Factorize" and "factorized".

BQj4pFULEiuz0Mc0oOt5 Localize Units (simple)
Question
A farmer has a triangular field. The base of the field measures $150$ m. The perpendicular distance from the base to the opposite corner is $100$ m. What is the area of the field?
Answer:
  • 7500
Question
A farmer has a triangular field. The base of the field measures $150$ ft. The perpendicular distance from the base to the opposite corner is $100$ ft. What is the area of the field?
Answer:
  • 7500

Classifier: The question contains metric units ("m" for metres and "m^2" for square metres), which require conversion for US localization.

Verifier: The question uses metric units ("m" for metres and "m^2" for square metres), which require conversion to US customary units.

BKfoPZZVr72drrI2rEH3 Localize Units (simple)
Multiple Choice
Which of the following is an imperial unit of area?
Options:
  • Square centimeters
  • Square inches
  • Square meters
  • Square kilometers
Multiple Choice
Which of the following is a US customary unit of area?
Options:
  • Square centimeters
  • Square inches
  • Square meters
  • Square kilometers

Classifier: The answer choices contain the AU/UK spelling "centimeters" and "meters" is actually spelled "centimeters" and "meters" in the source, but wait—looking closely at the source: "centimeters" and "meters" are already using US spelling in the provided text. However, "kilometers" is also US spelling. Wait, let me re-read the source values: "Square centimeters", "Square meters", "Square kilometers". These are actually US spellings. If the source already uses US spelling and there are no other AU markers, it might be GREEN. However, the prompt asks "Which of the following is an imperial unit of area?", and the distractors are metric units. Under the decision rules, any metric unit found anywhere (even if spelled in US English) triggers RED.units_simple_conversion.

Verifier: The primary classifier correctly identified that the presence of metric units (centimeters, meters, kilometers) requires a RED classification per Rule 3, but it incorrectly labeled the leaf as RED.spelling_only in the JSON while arguing for units in the rationale. Since metric units are present, RED.units_simple_conversion is the correct classification.

Bi1bJkYanbQAkHs9GyMZ Localize Units (simple)
Question
The density of a substance decreases by $25\%$ upon boiling. Find the density of the substance after boiling if the initial density is $12.38$ g/m$^3$.
Answer:
  • 9.285
Question
The density of a substance decreases by $25\%$ upon boiling. Find the density of the substance after boiling if the initial density is $12.38$ oz/ft$^3$.
Answer:
  • 9.285

Classifier: Contains the metric unit 'g/m^3' (grams per cubic meter), which requires localization to US customary units or a decision on metric usage in science contexts. Per rule 1, any metric unit disqualifies GREEN.

Verifier: The text contains the metric unit "g/m^3". According to Rule 3, any metric unit found anywhere requires at least RED.units_simple_conversion.

CmfwAS8V6bDdOP0LJnoB Localize Units (simple)
Question
How many millimetres are there in $16.5$ m?
Answer:
  • 16500
Question
How many inches are there in $16.5$ ft?
Answer:
  • 198

Classifier: The question explicitly uses metric units ("millimetres", "m"). Additionally, "millimetres" uses the AU/UK spelling (US: millimeters). Per rule 1, any metric unit disqualifies GREEN.

Verifier: The question uses metric units ("millimetres", "m"). "millimetres" is also the AU/UK spelling. Per rule 1 and 3, metric units require RED classification.

Bd8FApKtmz3eGbVWAwpm Localize Units (simple)
Question
An object moves in a straight line and its velocity after $t$ seconds is given by $v(t)=2t^2+t-2$ m/s for $0\leq t\leq 12$ s. Find the average acceleration from $t=4$ to $t=6$ seconds.
Answer:
  • 21
Question
An object moves in a straight line and its velocity after $t$ seconds is given by $v(t)=2t^2+t-2$ ft/s for $0\leq t\leq 12$ s. Find the average acceleration from $t=4$ to $t=6$ seconds.
Answer:
  • 21

Classifier: The text contains metric units of measurement ("m/s" and "m/s$^2$") which require localization to US customary units or a decision on metric usage in US physics contexts. Per rule 1, any metric unit disqualifies GREEN.

Verifier: The text contains metric units "m/s" and "m/s$^2$". According to Rule 3, any metric unit requires at least RED.units_simple_conversion. Since these are simple units in a kinematics context without complex interlinked formulas requiring coefficient re-derivation, simple conversion is appropriate.

BlQB6lPbEZRnyt7oOc8o Localize Terminology
Multiple Choice
Find the turning point for the parabola $y=5(x-4)^2$
Options:
  • $(5,0)$
  • $(-4,0)$
  • $(4,0)$
  • $(0,4)$
Multiple Choice
Find the vertex for the parabola $y=5(x-4)^2$
Options:
  • $(5,0)$
  • $(-4,0)$
  • $(4,0)$
  • $(0,4)$

Classifier: The term "turning point" is standard AU/UK terminology for the vertex of a parabola. In a US context, "vertex" is the standard term.

Verifier: The term "turning point" is the standard Australian curriculum term for the vertex of a quadratic function. In the US, "vertex" is almost exclusively used in this context.

CxVHppQpPVRK7EwG1vjG Review Uncertain
Multiple Choice
True or false: When hybrid functions are plotted, all the sections must join up.
Options:
  • False
  • True
Multiple Choice
True or false: When piecewise functions are plotted, all the sections must join up.
Options:
  • False
  • True

Classifier: The term "hybrid functions" is commonly used in Australia (specifically Victoria/VCE) to refer to what is almost universally called "piecewise functions" in the US. While not a spelling error, it is a terminology difference that likely requires localization to "piecewise functions" for a US audience.

Verifier: The term "hybrid functions" is a specific Australian curriculum term (VCE) for what is known as "piecewise functions" in the US. This is a terminology difference that requires localization.

BeQ5BOiieyUCSH487Izg Localize Spelling (AU-US)
Multiple Choice
In a shopping centre, $25$ people are randomly selected to rate a product. Which group is the sample?
Options:
  • A different group of 25 people
  • Those not selected
  • The $25$ selected people
  • All people in the shopping centre
Multiple Choice
In a shopping center, $25$ people are randomly selected to rate a product. Which group is the sample?
Options:
  • A different group of 25 people
  • Those not selected
  • The $25$ selected people
  • All people in the shopping center

Classifier: Contains the AU spelling "centre" which needs to be converted to the US spelling "center".

Verifier: The text contains the AU spelling "centre" (shopping centre), which requires localization to the US spelling "center" per Rule 1.

CJTobAcycXzp9SI9cipR Localize Terminology
Multiple Choice
What is the turning point of the parabola $y=2x^{2}-12x+12$ ?
Options:
  • $(-2,4)$
  • $(3,-6)$
  • $(7,-3)$
  • $(-2,3)$
Multiple Choice
What is the vertex of the parabola $y=2x^{2}-12x+12$ ?
Options:
  • $(-2,4)$
  • $(3,-6)$
  • $(7,-3)$
  • $(-2,3)$

Classifier: The term "turning point" is standard AU/UK terminology for the vertex of a parabola. In a US context, "vertex" is the standard term.

Verifier: The term "turning point" is the standard AU/UK term for what is referred to as the "vertex" in US curriculum.

Cn0rVPgz9aiTovd3007u Localize Units (simple)
Question
A circular cone has a height of $12$ m and a slant height of $25$ m. Find the angle formed by the apex of the cone in degrees.
Answer:
  • 122.63
Question
A circular cone has a height of $12$ ft and a slant height of $25$ ft. Find the angle formed by the apex of the cone in degrees.
Answer:
  • 122.63

Classifier: The question uses the metric unit "m" (metres). Per rule 1, any metric unit requires localization to US customary units or at least classification as RED.units_simple_conversion.

Verifier: The question uses the metric unit "m" (metres). Per rule 3, any metric unit found anywhere requires at least RED.units_simple_conversion.

BoISR4ETcvuf4Oah2Yny Localize Terminology
Question
The cost price of a television is $\$8,600$. It can be bought by a hire-purchase agreement with a deposit of $\$800$ and monthly instalments at the rate of $6\%$ p.a. for two years. What is the total cost of buying the television?
Answer:
  • 9536
Question
The cost price of a television is $\$8,600$. It can be bought by an installment loan with a deposit of $\$800$ and monthly installments at the rate of $6\%$ p.a. for two years. What is the total cost of buying the television?
Answer:
  • 9536

Classifier: The text contains several AU/UK specific financial terms: "hire-purchase agreement" (US: installment plan/financing), "instalments" (US spelling: installments), and "p.a." (per annum, less common in US K-12 than "per year" or "annually").

Verifier: The text contains "hire-purchase agreement" (US: installment plan), "instalments" (US: installments), and "p.a." (US: per year/annually). These are distinct AU/UK financial and spelling conventions.

D22SDPMgvu5ERxagA5Nv Localize Terminology
Question
A product originally costs $\$1200$ and is marked up by $\$150$. It is then increased by another $20\%$ before GST is added. What is the final price of the product?
Answer:
  • 1782
Question
A product originally costs $\$1200$ and is marked up by $\$150$. It is then increased by another $20\%$ before sales tax is added. What is the final price of the product?
Answer:
  • 1782

Classifier: Contains "GST" (Goods and Services Tax), which is a specific AU/Commonwealth tax term. In a US context, this would typically be "sales tax" or removed.

Verifier: The term "GST" (Goods and Services Tax) is specific to AU/Commonwealth countries. In the US, "sales tax" is used.

D3CvuWMFD6v32nwFdLgc Localize Terminology
Question
An item costs $\$350$. What is the total price including GST?
Answer:
  • 385
Question
An item costs $\$350$. What is the total price including sales tax?
Answer:
  • 385

Classifier: The term "GST" (Goods and Services Tax) is the specific name for the value-added tax in Australia. In a US context, this would typically be referred to as "sales tax", or the problem would be framed differently as the US does not have a federal GST.

Verifier: The term "GST" (Goods and Services Tax) is specific to the Australian tax system. In the US, this is referred to as "sales tax". This is a clear terminology difference requiring localization.

DM6AmuMq76pGnPSoJfvP Localize Units (simple)
Question
What is $0.0035$ m$^3$ in mm$^3$ ?
Answer:
  • 3500000
Question
What is $0.0035$ ft$^3$ in in$^3$ ?
Answer:
  • 6

Classifier: The question explicitly uses metric units (m^3 and mm^3) which requires localization to US customary units or a different pedagogical approach for a US audience.

Verifier: The question involves converting between metric units (m^3 to mm^3), which requires localization for a US context.

DSrhRg8Tl1RrDkrPW1kK Localize Units (simple)
Question
Jason and his friend each drew a kite with diagonals of $9$ cm and $12$ cm. What is the sum of the areas of both kites?
Answer:
  • 108
Question
Jason and his friend each drew a kite with diagonals of $9$ in and $12$ in. What is the sum of the areas of both kites?
Answer:
  • 108

Classifier: Contains metric units ("cm" and "cm^2") which require conversion to US customary units (e.g., inches).

Verifier: The question contains metric units ("cm" and "cm^2") which require conversion for a US audience.

DdIVgkD9BPFvRW7UFFJi Localize Units (simple)
Question
A rectangular prism with dimensions $6$ cm $\times$ $4$ cm $\times$ $3$ cm is enlarged by a scale factor of $3$. What is the volume of the new rectangular prism?
Answer:
  • 1944
Question
A rectangular prism with dimensions $6$ in $\times$ $4$ in $\times$ $3$ in is enlarged by a scale factor of $3$. What is the volume of the new rectangular prism?
Answer:
  • 1944

Classifier: The text contains metric units ("cm" and "cm$^3$") which require conversion to US customary units for localization.

Verifier: The text contains metric units "cm" and "cm^3" which require conversion to US customary units. The conversion is a simple scaling of dimensions and volume, fitting the simple_conversion category.

DUE7uAzUaWyPIMTVIz5Q Localize Units (simple)
Question
A $10$ cm by $18$ cm photo is placed in a frame that is $4$ cm wide on all sides. What is the outer perimeter of the frame?
Hint: It may help to draw a diagram of the photo and frame.
Answer:
  • 88
Question
A $10$ in by $18$ in photo is placed in a frame that is $4$ in wide on all sides. What is the outer perimeter of the frame?
Hint: It may help to draw a diagram of the photo and frame.
Answer:
  • 88

Classifier: The text contains the metric unit "cm" multiple times in the content and as a suffix. According to the decision rules, any metric unit requires classification as at least RED.units_simple_conversion.

Verifier: The text contains the metric unit "cm" multiple times. According to rule 3, any metric unit requires at least RED.units_simple_conversion. The conversion is a straightforward perimeter calculation with a few values, so simple conversion is correct.

DID3p1r44rvE5038iTMu Localize Spelling (AU-US)
Multiple Choice
The company's actual sales are $\$6000$, their present sale is $\$5000$. How can they correct their seasonality?
Options:
  • By decreasing the actual sales by $16.66\%$
  • By decreasing the deseasonalised sales by $16.66\%$
  • By increasing the deseasonalised sales by $16.66\%$
  • By increasing the actual sales by approx $16.66\%$
Multiple Choice
The company's actual sales are $\$6000$, their present sale is $\$5000$. How can they correct their seasonality?
Options:
  • By decreasing the actual sales by $16.66\%$
  • By decreasing the deseasonalized sales by $16.66\%$
  • By increasing the deseasonalized sales by $16.66\%$
  • By increasing the actual sales by approx $16.66\%$

Classifier: The text contains the AU/UK spelling "deseasonalised", which requires conversion to the US spelling "deseasonalized".

Verifier: The text contains "deseasonalised", which is the AU/UK spelling. The US spelling is "deseasonalized".

DNvisT5cYgJPlHkLJjDq Localize Units (simple)
Multiple Choice
Choose the correct statement: Ron is $154$ cm tall, in a class with a mean height of $160$ cm and a standard deviation of $10$ cm. Riya is $158$ cm tall, in a class with a mean height of $157$ cm and a standard deviation of $8$ cm.
Options:
  • The $z-$score of Ron's height is $-0.4$
  • The $z-$score of Riya's height is $0.125$
  • The $z-$score of Riya's height is below the mean
  • The $z$-score of Ron's height is above the mean
Multiple Choice
Choose the correct statement: Ron is $154$ in tall, in a class with a mean height of $160$ in and a standard deviation of $10$ in. Riya is $158$ in tall, in a class with a mean height of $157$ in and a standard deviation of $8$ in.
Options:
  • The $z-$score of Ron's height is $-0.6$
  • The $z-$score of Riya's height is $0.125$
  • The $z-$score of Riya's height is below the mean
  • The $z$-score of Ron's height is above the mean

Classifier: The text contains multiple instances of the metric unit "cm" used for height, which requires conversion for a US context.

Verifier: The problem uses centimeters (cm) for height, which is a metric unit requiring localization.

EHqO7OcXJHIenODlo4P2 Localize Units (simple)
Question
Fill in the blank: $0.12$ kg $=[?]$ g
Answer:
  • 120
Question
Fill in the blank: $0.12$ lb $=[?]$ oz
Answer:
  • 1.92

Classifier: Contains metric units (kg and g). Per decision rules, any metric unit found anywhere in the text requires classification into a units category.

Verifier: Contains metric units (kg and g). Per decision rule 3, any metric unit requires at least RED.units_simple_conversion.

EjBwl76HwHRDHOo6zaQc Localize Units (simple)
Question
Fill in the blank: $20060$ g $=20$ kg and $[?]$ g
Answer:
  • 60
Question
Fill in the blank: $20060$ oz $=20$ lb and $[?]$ oz
Answer:
  • 60

Classifier: The text contains metric units "g" (grams) and "kg" (kilograms), which require conversion for US localization.

Verifier: The question uses metric units (grams and kilograms) which require conversion for US localization.

Ey42hWTC6vNqk0vSBA9M Localize Terminology
Question
Find the highest common factor of $42$ and $27$.
Answer:
  • 3
Question
Find the greatest common factor of $42$ and $27$.
Answer:
  • 3

Classifier: "Highest common factor" (HCF) is used in both AU and US, though "Greatest common factor" (GCF) is more common in the US. However, HCF is not exclusively AU and is mathematically neutral. No AU-specific spelling or units are present.

Verifier: While "Highest common factor" (HCF) is understood in the US, it is the primary term used in the AU curriculum, whereas "Greatest common factor" (GCF) is the standard term in the US curriculum. This falls under terminology school context.

E3WzUfa0nRQfyrpgOFkz Localize Spelling (AU-US)
Question
Fill in the blank: The seasonal index for the institute’s fee is $[?]$, given that the total fee collected is $\$7265$ and the deseasonalised fee is $\$6604.54$.
Answer:
  • 1.1
Question
Fill in the blank: The seasonal index for the institute’s fee is $[?]$, given that the total fee collected is $\$7265$ and the deseasonalized fee is $\$6604.54$.
Answer:
  • 1.1

Classifier: The term "deseasonalised" uses the AU/UK "s" spelling; the US equivalent is "deseasonalized".

Verifier: The word "deseasonalised" is the AU/UK spelling; the US spelling is "deseasonalized". Per rule 1, AU spelling always requires RED classification.

E4nvuxM9OXf8Qxrid1yG Localize Spelling (AU-US)
Question
You have eight cubes of the same size but with different colours. How many possible ways are there to arrange these cubes in a row?
Answer:
  • 40230
Question
You have eight cubes of the same size but with different colors. How many possible ways are there to arrange these cubes in a row?
Answer:
  • 40230

Classifier: Contains the AU spelling "colours", which requires conversion to the US spelling "colors".

Verifier: The text contains "colours", which is the AU/UK spelling. US spelling is "colors". Per rule 1, this requires RED classification.

DzTqRJ3xgiWp4XVoHcv6 Localize Units (simple)
Question
A sphere with a radius of $3$ cm is enlarged by a scale factor of $3$. What is the volume of the new sphere?
Answer:
  • 3053.628
Question
A sphere with a radius of $3$ in is enlarged by a scale factor of $3$. What is the volume of the new sphere?
Answer:
  • 3053.628

Classifier: The question uses metric units ("cm" and "cm$^3$"), which require localization for a US audience.

Verifier: Contains metric units "cm" and "cm^3" which require conversion for US localization.

EIcuDzfsFcqQNeJwJTbt Localize Terminology
Multiple Choice
True or false: The triangle formed by the sides of length $28$, $53$ and $45$ units is a right-angled triangle.
Options:
  • False
  • True
Multiple Choice
True or false: The triangle formed by the sides of length $28$, $53$ and $45$ units is a right triangle.
Options:
  • False
  • True

Classifier: The term "right-angled triangle" is standard AU/UK terminology. In the US, this is typically referred to as a "right triangle".

Verifier: The term "right-angled triangle" is the standard Australian/British term, whereas "right triangle" is used in the US. This requires localization for terminology.

EUzDyVjgoyfMzwghexpQ Localize Units (simple)
Question
What is the width of a rectangle with an area of $108$ m$^2$ and a length of $12$ m?
Answer:
  • 9
Question
What is the width of a rectangle with an area of $108$ ft$^2$ and a length of $12$ ft?
Answer:
  • 9

Classifier: The text contains metric units ("m" and "m$^2$") which require conversion for US localization.

Verifier: The question contains metric units ("m" and "m$^2$") which require conversion to US customary units. This is a simple conversion as it involves a single geometric calculation.

E1H4taxXVsPBJAjaRHtR Localize Spelling (AU-US)
Multiple Choice
Fill in the blank: A regular polygon with $n$ sides can be divided into $[?]$ triangles by joining each vertex to the centre.
Options:
  • $2n-1$
  • $n-1$
  • $n$
  • $n+1$
Multiple Choice
Fill in the blank: A regular polygon with $n$ sides can be divided into $[?]$ triangles by joining each vertex to the center.
Options:
  • $2n-1$
  • $n-1$
  • $n$
  • $n+1$

Classifier: The text contains the AU/UK spelling "centre", which needs to be converted to the US spelling "center".

Verifier: The text contains "centre", which is the AU/UK spelling. It must be converted to "center" for US localization.

DlQV2rYvTl9rArBmlai2 Localize Terminology
Multiple Choice
Which of the following parabolas has a turning point at $(-1,8)$ and passes through $(0,15)$?
Options:
  • $y=7\left(x-1\right)^{2}-8$
  • $y=8\left(x+1\right)^{2}+8$
  • $y=7\left(x+1\right)^{2}+8$
  • $y=\left(x+7\right)^{2}+8$
Multiple Choice
Which of the following parabolas has a vertex at $(-1,8)$ and passes through $(0,15)$?
Options:
  • $y=7\left(x-1\right)^{2}-8$
  • $y=8\left(x+1\right)^{2}+8$
  • $y=7\left(x+1\right)^{2}+8$
  • $y=\left(x+7\right)^{2}+8$

Classifier: The term "turning point" is the standard AU term for what is referred to as the "vertex" in US mathematics curriculum.

Verifier: The term "turning point" is the standard AU curriculum term for the "vertex" of a parabola.

DuV4d0Til4v1jsHr7Cji Localize Spelling (AU-US)
Question
$\text{Pr}(A)=0.6$, $\text{Pr}(B)=0.7$ and $\text{Pr}(A \cap B)= 0.5$ . Given this information, find $\text{Pr}( A \cup B)$.
Hint: It may be helpful to use a Venn diagram to visualise this situation.
Answer:
  • 0.8
Question
$\text{P}(A)=0.6$, $\text{P}(B)=0.7$ and $\text{P}(A \cap B)= 0.5$ . Given this information, find $\text{P}( A \cup B)$.
Hint: It may be helpful to use a Venn diagram to visualize this situation.
Answer:
  • 0.8

Classifier: The hint contains the AU spelling "visualise", which requires conversion to the US spelling "visualize".

Verifier: Contains the AU spelling "visualise" in the hint field.

EFHL9tIi7lcEl3OWNWTv Localize Spelling (AU-US)
Question
Factorise $f(x)=27x^3+8$. Express your answer in the form $(ax+b)(cx^2+dx+e)$.
Options:
  • (9{x}^{2}-6{x}+4)(3{x}+2)
  • (3{x}+2)(9{x}^{2}-6{x}+4)
Question
Factor $f(x)=27x^3+8$. Express your answer in the form $(ax+b)(cx^2+dx+e)$.
Options:
  • (9{x}^{2}-6{x}+4)(3{x}+2)
  • (3{x}+2)(9{x}^{2}-6{x}+4)

Classifier: Contains the AU spelling "Factorise", which needs to be converted to the US spelling "Factorize".

Verifier: The text contains "Factorise", which is AU/UK spelling. Per decision rule 1, AU spelling always requires RED classification.

Efld6w6CBG6ODqtYLcuo Localize Terminology
Multiple Choice
Fill in the blank: The turning point of the parabola $y=a(x-h)^2+k$ is $[?]$.
Options:
  • $(h,k)$
  • $(h,a)$
  • $(a,k)$
  • $(-h,k)$
Multiple Choice
Fill in the blank: The vertex of the parabola $y=a(x-h)^2+k$ is $[?]$.
Options:
  • $(h,k)$
  • $(h,a)$
  • $(a,k)$
  • $(-h,k)$

Classifier: The term "turning point" is standard AU/UK terminology for the vertex of a parabola. In a US context, "vertex" is the standard term.

Verifier: "Turning point" is the standard AU/UK term for the vertex of a parabola, whereas "vertex" is the standard US term. This requires localization.

Ects3XLr5D9LhZe4TsX1 Localize Units (simple)
Multiple Choice
True or false: The displacement function of a particle is given by $s(t)=-2t^2-7t-5$ m for $t\geq0$ (seconds). The speed of the particle is increasing at $t=2$ s.
Hint: Recall that $a(t)=v'(t)=s''(t)$ and $v(t)=s'(t)$.
Options:
  • False
  • True
Multiple Choice
True or false: The displacement function of a particle is given by $s(t)=-2t^2-7t-5$ ft for $t\geq0$ (seconds). The speed of the particle is increasing at $t=2$ s.
Hint: Recall that $a(t)=v'(t)=s''(t)$ and $v(t)=s'(t)$.
Options:
  • False
  • True

Classifier: The text contains the metric unit "m" (metres) for displacement and "s" (seconds). According to the decision rules, any metric unit found anywhere in the text requires classification into a units category.

Verifier: The text contains the metric unit "m" (metres). While it is part of a function, the question asks for a qualitative "True or false" check on speed increasing at a specific point, which is a simple application of the derivative rather than a complex multi-step metric conversion or formula re-derivation.

FLWK5OKgJrHVriRQzkew Localize Spelling (AU-US)
Multiple Choice
Which of the following is not true for a reducing balance loan in an amortising table containing information about payment number, payment amount, interest paid, principal reduction and balance of the loan?
Options:
  • None of the above
  • Balance of the loan $=$ Balance owing $-$ Interest paid
  • Interest paid $=$ Interest rate per year $\times$ Balance of the loan in the previous row
  • Principal Reduction $=$ Payment made $-$ Interest paid
Multiple Choice
Which of the following is not true for a reducing balance loan in an amortization table containing information about payment number, payment amount, interest paid, principal reduction and balance of the loan?
Options:
  • None of the above
  • Balance of the loan $=$ Balance owing $-$ Interest paid
  • Interest paid $=$ Interest rate per year $\times$ Balance of the loan in the previous row
  • Principal Reduction $=$ Payment made $-$ Interest paid

Classifier: The text contains the AU/UK spelling "amortising", which needs to be converted to the US spelling "amortizing".

Verifier: The text contains "amortising", which is the AU/UK spelling. The US spelling is "amortizing".

EVfj8CoYmFPj6IeC6rws Localize Spelling (AU-US)
Multiple Choice
Factorise the polynomial $y^3+125$
Options:
  • $(y-5)(y^2-5x+25)$
  • $(y-5)(y^2+5x+25)$
  • $(y+5)(y^2-5x+25)$
  • $(y+5)(y^2+5x+25)$
Multiple Choice
Factor the polynomial $y^3+125$
Options:
  • $(y-5)(y^2-5x+25)$
  • $(y-5)(y^2+5x+25)$
  • $(y+5)(y^2-5x+25)$
  • $(y+5)(y^2+5x+25)$

Classifier: Contains the AU spelling "Factorise", which needs to be converted to the US spelling "Factorize".

Verifier: The text contains "Factorise", which is the AU spelling. US spelling is "Factorize".

ExKkXRuCdF6xfNQYqGh6 Localize Spelling (AU-US)
Multiple Choice
Which of the following is the general equation of a semicircle with a centre at the origin and radius $r$ units?
Options:
  • $y=\pm{r^{2}-x^{2}}$
  • $y=\pm\sqrt{r^{2}-x^{2}}$
  • $y=\pm\sqrt{r^{2}+x^{2}}$
  • $y=\pm{r^{2}+x^{2}}$
Multiple Choice
Which of the following is the general equation of a semicircle with a center at the origin and radius $r$ units?
Options:
  • $y=\pm{r^{2}-x^{2}}$
  • $y=\pm\sqrt{r^{2}-x^{2}}$
  • $y=\pm\sqrt{r^{2}+x^{2}}$
  • $y=\pm{r^{2}+x^{2}}$

Classifier: Contains the AU spelling "centre", which needs to be converted to the US spelling "center".

Verifier: The text contains the AU spelling "centre", which requires localization to the US spelling "center".

EEnCbbBYtqhQMwLFQanu Localize Units (simple)
Multiple Choice
True or false: A continuous random variable can represent the amount of iron contained in a beaker containing $250$ ml of water from a river.
Options:
  • False
  • True
Multiple Choice
True or false: A continuous random variable can represent the amount of iron contained in a beaker containing $250$ fl oz of water from a river.
Options:
  • False
  • True

Classifier: The text contains the metric unit "ml" (millilitres), which requires localization to US customary units or US-style metric presentation (mL) depending on specific style guides, but the presence of a metric unit automatically triggers a RED classification per the decision rules.

Verifier: The text contains the metric unit "ml" (millilitres). Per decision rule 3, any metric unit requires at least RED.units_simple_conversion.

FxF4G8JocLAvepBu3B5x Localize Units (simple)
Question
The scale factor between two similar figures is $\frac{3}{5}$. The longer side of the smaller figure is $9$ cm. What is the length of the corresponding side on the larger figure?
Answer:
  • 15
Question
The scale factor between two similar figures is $\frac{3}{5}$. The longer side of the smaller figure is $9$ in. What is the length of the corresponding side on the larger figure?
Answer:
  • 15

Classifier: The text contains the metric unit "cm" (centimetres), which requires conversion for US localization.

Verifier: The question contains the metric unit "cm" (centimetres), which requires conversion to US customary units. It is a simple conversion as it involves a single value and a straightforward ratio.

FxGQESBgNqTx5jKnRlgs Localize Spelling (AU-US)
Question
The seasonal index of the sales in a restaurant is $0.78$, and the deseasonalised sales are $\$31500$. What is the value of the actual sales?
Answer:
  • 24570.00
Question
The seasonal index of the sales in a restaurant is $0.78$, and the deseasonalized sales are $\$31500$. What is the value of the actual sales?
Answer:
  • 24570.00

Classifier: The text contains the AU/UK spelling "deseasonalised", which needs to be converted to the US spelling "deseasonalized".

Verifier: The word "deseasonalised" uses the AU/UK 's' spelling instead of the US 'z' spelling ("deseasonalized"). Per rule 1, any AU spelling requires RED classification.

GkWf5IrjU5rtrmbcJoD1 Localize Units (simple)
Question
Fill in the blank: $15600$ kilograms $+[?]$ megagrams $=17900$ kilograms
Answer:
  • 2.3
Question
Fill in the blank: $15600$ pounds $+[?]$ tons $=17900$ pounds
Answer:
  • 1.15

Classifier: The question explicitly uses metric units "kilograms" and "megagrams". According to the decision rules, any metric unit requires localization.

Verifier: The question uses metric units "kilograms" and "megagrams". Per rule 3, any metric unit requires at least RED.units_simple_conversion.

GaNUPrMkzZ7jB7UUc8of Localize Units (simple)
Question
Find the radius of the circle in which the central angle of $\frac{\pi}{3}$ intercepts an arc of length $37.4$ cm.
Answer:
  • 35.7
Question
Find the radius of the circle in which the central angle of $\frac{\pi}{3}$ intercepts an arc of length $37.4$ in.
Answer:
  • 35.7

Classifier: Contains metric units ("cm") which require conversion to US customary units for localization.

Verifier: The question contains the metric unit "cm" (centimetres), which requires conversion to US customary units. It is a simple conversion as it involves a single value and a standard geometric formula (s = r*theta).

HCQ0MObVwbaIVtaoP3Md Localize Units (simple)
Question
Convert $7$ kg and $409$ g into grams.
Answer:
  • 7409
Question
Convert $7$ lb and $409$ oz into ounces.
Answer:
  • 7409

Classifier: The question explicitly uses metric units "kg" (kilograms) and "g" (grams) for a unit conversion exercise. Metric units always require at least RED.units_simple_conversion.

Verifier: The question uses metric units "kg" and "g". According to rule 3, any metric unit requires at least RED.units_simple_conversion.

HJ4dtAWSKgRrL1sChntg Localize Terminology
Question
The gradient of the line joining the points $(-3,[?])$ and $(0,2)$ is equal to $-2$. Find the missing value.
Answer:
  • 8
Question
The slope of the line joining the points $(-3,[?])$ and $(0,2)$ is equal to $-2$. Find the missing value.
Answer:
  • 8

Classifier: The term "gradient" is used to refer to the steepness of a line. In a US school context, "slope" is the standard term for the steepness of a line between two points.

Verifier: The term "gradient" is used to describe the slope of a line, which is a standard AU/UK term that requires localization to "slope" for a US context.

GNSdpHx9cROsMv9UwDBb Localize Terminology
Multiple Choice
What is the turning point of the parabola $y=(x-2)(x-4)$ ?
Options:
  • $(1,3)$
  • $(3,-1)$
  • $(-1,3)$
  • $(3,1)$
Multiple Choice
What is the vertex of the parabola $y=(x-2)(x-4)$ ?
Options:
  • $(1,3)$
  • $(3,-1)$
  • $(-1,3)$
  • $(3,1)$

Classifier: The term "turning point" is standard AU school terminology for the vertex of a parabola. In the US, "vertex" is the standard term used in this context.

Verifier: "Turning point" is the standard AU school term for what is called the "vertex" in the US. This requires localization for the US market.

GJnbp7lOmATsKNyPipFu Localize Units (complex)
Multiple Choice
The displacement function of a car is $s(t)=4t^3+5t+15$ km for $t\geq0$ hours. Find the acceleration function for the car.
Options:
  • $a(t)=24t$ km/h$^2$
  • $a(t)=12t$ km/h$^2$
  • $a(t)=12t+5$ km/h$^2$
  • $a(t)=12t^2+5$ km/h$^2$
Multiple Choice
The displacement function of a car is $s(t)=4t^3+5t+15$ mi for $t\geq0$ hours. Find the acceleration function for the car.
Options:
  • $a(t)=24t$ mi/h$^2$
  • $a(t)=12t$ mi/h$^2$
  • $a(t)=12t+5$ mi/h$^2$
  • $a(t)=12t^2+5$ mi/h$^2$

Classifier: The problem and its answer choices use metric units ("km" and "km/h^2"), which require conversion to US customary units (e.g., miles).

Verifier: The question contains a displacement function s(t) defined in metric units (km). According to rule 4, equations defining quantities in metric or requiring re-deriving formula coefficients should be classified as RED.units_complex_converted rather than simple conversion.

Gqcf2MbpRL2uFUwJi1bn Localize Metadata
Multiple Choice
Paris, France is $8$ hours behind Brisbane, Australia. What time will it be in Brisbane if it is $3$:$00$ PM in Paris?
Options:
  • $8$:$00$ PM
  • $8$:$00$ AM
  • $11$:$00$ AM
  • $11$:$00$ PM
Multiple Choice
London, England is $5$ hours ahead of New York, USA. What time will it be in London if it is $6$:$00$ AM in New York?
Options:
  • $11$:$00$ PM
  • $11$:$00$ AM
  • $1$:$00$ AM
  • $1$:$00$ PM

Classifier: The question is centered on an Australian city (Brisbane, Australia). While not a spelling or unit change, the context is highly locale-specific and typically requires localization to a US city/time zone for US students.

Verifier: The question is centered on Brisbane, Australia. While the language is neutral, the geographic context is highly locale-specific and typically requires localization for US students.

HPfvfeGcGqBcsDO0kqZt Localize Units (simple)
Question
After $500$ rotations, a wheel has travelled $1.06$ km. Find the diameter of the wheel in metres.
Answer:
  • 0.67
Question
After $500$ rotations, a wheel has traveled $1.06$ mi. Find the diameter of the wheel in feet.
Answer:
  • 0.67

Classifier: The text contains metric units ("km", "metres") and the AU spelling "metres". According to the decision rules, any metric unit requires at least RED.units_simple_conversion.

Verifier: The text contains metric units ("km", "metres") and the AU spelling "metres". Per rule 3, any metric unit requires at least RED.units_simple_conversion.

Gr4r0jGhcZGCiBRksZTL Localize Spelling (AU-US)
Question
Rationalise the denominator of ${\Large\frac{3}{5-\sqrt{4}}}$. Express your answer as a fraction in simplest form.
Options:
  • ((\frac{1}{7})\cdot(5+\sqrt{4}))
  • (\frac{(\sqrt{4}+5)}{7})
  • (\frac{(5+\sqrt{4})}{7})
Question
Rationalize the denominator of ${\Large\frac{3}{5-\sqrt{4}}}$. Express your answer as a fraction in simplest form.
Options:
  • ((\frac{1}{7})\cdot(5+\sqrt{4}))
  • (\frac{(\sqrt{4}+5)}{7})
  • (\frac{(5+\sqrt{4})}{7})

Classifier: Contains the AU spelling "Rationalise", which needs to be converted to the US spelling "Rationalize".

Verifier: The text contains "Rationalise", which is the AU/British spelling. US spelling is "Rationalize".

HFOXM4KEeEfGPKcaiZaw Localize Spelling (AU-US)
Multiple Choice
Fully factorise the following expression: $-5x^6+10x^4$
Options:
  • $-5x^2(x^3-2x^2)$
  • $-5x^4(x^2-2)$
  • $x^4(-5x^2+10)$
  • $-5x^4(x^2+2)$
Multiple Choice
Completely factor the following expression: $-5x^6+10x^4$
Options:
  • $-5x^2(x^3-2x^2)$
  • $-5x^4(x^2-2)$
  • $x^4(-5x^2+10)$
  • $-5x^4(x^2+2)$

Classifier: Contains the AU spelling "factorise", which needs to be converted to the US spelling "factorize".

Verifier: The text contains "factorise", which is AU spelling. Rule 1 states AU spelling always requires RED classification.

H5cpw76dXFVFNy0xv9vN Localize Spelling (AU-US)
Multiple Choice
Which of the following statements defines a chord?
Options:
  • A line that outlines the circumference
  • A line joining any two points on the circle
  • A line drawn from the centre of the circle to the circumference
  • A line joining an external point and the centre of the circle
Multiple Choice
Which of the following statements defines a chord?
Options:
  • A line that outlines the circumference
  • A line joining any two points on the circle
  • A line drawn from the center of the circle to the circumference
  • A line joining an external point and the center of the circle

Classifier: Contains the AU spelling "centre" multiple times, which requires conversion to the US spelling "center".

Verifier: The text contains the AU spelling "centre" in two of the answer choices, which requires localization to the US spelling "center".

HO0jUVjQfmmLaVTPLedh Localize Spelling (AU-US)
Multiple Choice
What is the prime factorisation of $420$ ?
Options:
  • $2\times 2\times 7\times 15 $
  • $2\times 2\times 3\times 5\times 7$
  • $6\times 7\times 10$
  • $4\times 7\times 15$
Multiple Choice
What is the prime factorization of $420$ ?
Options:
  • $2\times 2\times 7\times 15 $
  • $2\times 2\times 3\times 5\times 7$
  • $6\times 7\times 10$
  • $4\times 7\times 15$

Classifier: The text contains the AU spelling "factorisation", which needs to be converted to the US spelling "factorization".

Verifier: The text contains "factorisation", which is the AU/British spelling. Per rule 1, this requires RED classification.

HJWuHDaHJrmly8NYyC62 Localize Units (simple)
Question
Maria runs a bakery and sells freshly baked strawberry cake at a profit of $\$10$ and Belgian cakes at a gain of $\$14$ each. She uses $1$ kg of refined flour for a strawberry cake and $1.5$ kg for a Belgian cake. A strawberry cake needs $1.5$ hours to prepare, while a Belgian cake gets ready in $1$ hour. Maria cannot work for more than $8$ hours in a day and buys not more than $10$ kg of refined flour for cakes daily. What is the maximum total profit she can make in a day?
Hint: Maximize the objective function!
Answer:
  • 94.40
Question
Maria runs a bakery and sells freshly baked strawberry cake at a profit of $\$10$ and Belgian cakes at a gain of $\$14$ each. She uses $1$ lb of refined flour for a strawberry cake and $1.5$ lbs for a Belgian cake. A strawberry cake needs $1.5$ hours to prepare, while a Belgian cake gets ready in $1$ hour. Maria cannot work for more than $8$ hours in a day and buys not more than $10$ lbs of refined flour for cakes daily. What is the maximum total profit she can make in a day?
Hint: Maximize the objective function!
Answer:
  • 94.40

Classifier: The problem uses "kg" (kilograms), which is a metric unit. Per the decision rules, any metric unit requires localization to US customary units (e.g., pounds) or at least classification as a units conversion.

Verifier: The text contains the metric unit "kg" (kilograms) multiple times, which requires conversion/localization for the US market.

HW8fMZvPPqJKyTB0CbdK Localize Spelling (AU-US)
Multiple Choice
Factorise the polynomial $x^2-16$.
Options:
  • $(x+8)(x-8)$
  • $(x-4)^2$
  • $(x-4)(x+4)$
  • $(x-4)(x+1)$
Multiple Choice
Factor the polynomial $x^2-16$.
Options:
  • $(x+8)(x-8)$
  • $(x-4)^2$
  • $(x-4)(x+4)$
  • $(x-4)(x+1)$

Classifier: Contains the AU spelling "Factorise", which needs to be converted to the US spelling "Factorize".

Verifier: Contains the AU spelling "Factorise", which requires conversion to US "Factorize" per rule 1.

Hd2YLg6D0rRafkQJkZjO Localize Units (simple)
Question
Find the total surface area of a hemisphere of radius $8$ cm.
Hint: Total surface area $=$ Curved surface area $+$ Base area
Answer:
  • 603.1
Question
Find the total surface area of a hemisphere of radius $8$ in.
Hint: Total surface area $=$ Curved surface area $+$ Base area
Answer:
  • 603.1

Classifier: The text contains the metric unit "cm" (centimetres) and "cm$^2$", which requires conversion to US customary units (inches).

Verifier: The question contains the metric unit "cm" (centimetres) which requires conversion to US customary units. It is a simple conversion as it involves a single geometric calculation with one radius value.

GTgxSsV2ggyf9jeKHE3f Localize Terminology
Multiple Choice
The Fibonacci sequence can be defined by which of the following recurrence relations?
Hint: Try to use these formulae to calculate $u_3$ and compare this to your knowledge of the sequence.
Options:
  • $u_n=u_{n+1}+u_{n-1};$ $u_1=1, u_2=1$
  • $u_{n+1}=u_{n}+u_{n-1};$ $u_1=1, u_2=2$
  • $u_n=u_{n+2}+u_{n+1};$ $u_1=1, u_2=1$
  • $u_n=u_{n-1}+u_{n};$ $u_1=1, u_2=1$
  • $u_n=u_{n-1}+u_{n-2};$ $u_1=1, u_2=1$
  • $u_n=u_{n-1}+u_{n+1};$ $u_1=1, u_2=2$
Multiple Choice
The Fibonacci sequence can be defined by which of the following recurrence relations?
Hint: Try to use these formulas to calculate $u_3$ and compare this to your knowledge of the sequence.
Options:
  • $u_n=u_{n+1}+u_{n-1};$ $u_1=1, u_2=1$
  • $u_{n+1}=u_{n}+u_{n-1};$ $u_1=1, u_2=2$
  • $u_n=u_{n+2}+u_{n+1};$ $u_1=1, u_2=1$
  • $u_n=u_{n-1}+u_{n};$ $u_1=1, u_2=1$
  • $u_n=u_{n-1}+u_{n-2};$ $u_1=1, u_2=1$
  • $u_n=u_{n-1}+u_{n+1};$ $u_1=1, u_2=2$

Classifier: Uses the term "formulae", which is the Latin/British plural. While sometimes used in US higher math, "formulas" is the standard US school-context plural. More importantly, the use of "u_n" notation for sequences is very common in AU/UK curricula, whereas US curricula predominantly use "a_n".

Verifier: The use of "formulae" (plural) and the sequence notation "u_n" are characteristic of AU/UK school contexts, whereas US contexts typically use "formulas" and "a_n".

HwJj9jn9eUDXivPhcIRq Localize Units (simple)
Question
Find the perimeter of a semicircle with a diameter of $6$ m.
Answer:
  • 15.42
Question
Find the perimeter of a semicircle with a diameter of $6$ ft.
Answer:
  • 15.42

Classifier: The text contains the metric unit 'm' (metres) in the context of a measurement ("diameter of 6 m" and suffix "m"). Per decision rules, any metric unit counts as RED.

Verifier: The text contains the metric unit 'm' (metres) in both the content and the suffix. Per rule 3, any metric unit requires RED classification.

HtMxxGPGPWz5dRC7WTom Localize Terminology
Multiple Choice
True or false: The turning point form of $y=-4x^2-16x-21$ is given by $y=-4(x+2)^2-5$.
Options:
  • False
  • True
Multiple Choice
True or false: The vertex form of $y=-4x^2-16x-21$ is given by $y=-4(x+2)^2-5$.
Options:
  • False
  • True

Classifier: The term "turning point form" is the standard Australian/UK term for what is called "vertex form" in the United States.

Verifier: The term "turning point form" is the standard Australian/UK terminology for what is known as "vertex form" in the United States. This requires localization for the US market.

HXlS3WlTk0NysRngkgu1 Localize Units (simple)
Multiple Choice
Fill in the blank. A rectangular park is enclosed by $250$ m of fencing, and one of the sides has a length of $x$ m. The area enclosed by the park is given by $A=[?]$.
Options:
  • $x(125-x)$ m$^2$
  • $x(250-x)$ m$^2$
  • $x(125-2x)$ m$^2$
  • $x(250-2x)$ m$^2$
Multiple Choice
Fill in the blank. A rectangular park is enclosed by $250$ ft of fencing, and one of the sides has a length of $x$ ft. The area enclosed by the park is given by $A=[?]$.
Options:
  • $x(125-x)$ ft$^2$
  • $x(250-x)$ ft$^2$
  • $x(125-2x)$ ft$^2$
  • $x(250-2x)$ ft$^2$

Classifier: The text contains the metric unit 'm' (metres) and 'm^2' (square metres), which requires conversion for US localization.

Verifier: The text contains metric units 'm' (metres) and 'm^2' (square metres), which require conversion for US localization.

Hvk8LNgY0tb2d9vhS5Rq Localize Units (simple)
Multiple Choice
Which of the following is a unit of measurement for volume?
Options:
  • mm$^2$
  • km
  • cm$^2$
  • mm$^3$
Multiple Choice
Which of the following is a unit of measurement for volume?
Options:
  • in$^2$
  • mi
  • in$^2$
  • in$^3$

Classifier: The question asks about units of volume, and the answer choices contain multiple metric units (mm^2, km, cm^2, mm^3). Any metric unit presence requires RED.units_simple_conversion.

Verifier: The answer choices contain multiple metric units (mm, km, cm). According to rule 3, any metric unit found anywhere requires at least RED.units_simple_conversion.

HgJ82r1PQisQQJ0RRZus Localize Terminology
Multiple Choice
Fill in the blank: If GST is applied to the price of a product then the customer pays $[?]$ in total.
Options:
  • None of the above
  • $90\%$ of the price of the product
  • $110\%$ of the price of the product
  • $10\%$ of the price of the product
Multiple Choice
Fill in the blank: If sales tax is applied to the price of a product then the customer pays $[?]$ in total.
Options:
  • None of the above
  • $90\%$ of the price of the product
  • $110\%$ of the price of the product
  • $10\%$ of the price of the product

Classifier: The term "GST" (Goods and Services Tax) is specific to the Australian tax system (and others like NZ/Canada/India) but is not used in the US, where "sales tax" is the standard term.

Verifier: The term "GST" (Goods and Services Tax) is a specific tax system terminology used in Australia, whereas the US uses "sales tax".

HhUtcVwEdCaQBDJ0qiiZ Localize Spelling (AU-US)
Multiple Choice
Which of the following measures the centre of the curve of a normal distribution function?
Options:
  • $\sigma^2$
  • $\sqrt{x-\mu}$
  • $\mu$
  • $\large{\frac{\sigma-\mu}{x}}$
Multiple Choice
Which of the following measures the center of the curve of a normal distribution function?
Options:
  • $\sigma^2$
  • $\sqrt{x-\mu}$
  • $\mu$
  • $\large{\frac{\sigma-\mu}{x}}$

Classifier: Contains the AU spelling "centre", which needs to be converted to the US spelling "center".

Verifier: Contains the AU spelling "centre", which needs to be converted to the US spelling "center".

HwuX12OQwdLaMCDmBTc2 Localize Units (simple)
Question
The displacement function of a particle is $s(t)=-3t^2+4t-7$ cm for $0\leq t\leq10$ s. Find the displacement of the particle at $t=6$ s.
Answer:
  • -91
Question
The displacement function of a particle is $s(t)=-3t^2+4t-7$ in for $0\leq t\leq10$ s. Find the displacement of the particle at $t=6$ s.
Answer:
  • -91

Classifier: The text contains metric units 'cm' (centimetres) and 's' (seconds). While 's' is bi-dialect, 'cm' is a metric unit requiring conversion.

Verifier: The text contains the metric unit 'cm' (centimetres). Per rule 3, any metric unit requires RED classification. Although it involves a function, the conversion is a simple scalar change to the output unit, fitting simple_conversion.

INHOEAtBlq9EfxXvFQWf Localize Units (simple)
Question
How many mL are there in $0.2$ kL ?
Answer:
  • 200000
Question
How many fl oz are there in $0.2$ gal ?
Answer:
  • 200000

Classifier: The question explicitly uses metric units (mL and kL) and asks for a conversion between them. Any metric unit requires localization per the decision rules.

Verifier: The question involves metric units (mL and kL), which requires RED classification. It is a simple conversion of a single value.

IL6enDImVa2w0pNlPgbP Localize Terminology
Multiple Choice
What is the gradient of a vertical line?
Options:
  • $\infty$
  • Undefined
  • $0$
  • $1$
Multiple Choice
What is the slope of a vertical line?
Options:
  • $\infty$
  • Undefined
  • $0$
  • $1$

Classifier: The term "gradient" is the standard AU/UK term for what is almost exclusively called "slope" in US K-12 mathematics.

Verifier: The term "gradient" is the standard AU/UK term for "slope" in US K-12 mathematics, requiring localization.

I6KzZJnvBDHcVTn1060S Localize Terminology
Multiple Choice
Fill in the blank: A team of talented maths students being selected to represent a school in an interschool maths competition is an example of $[?]$.
Options:
  • Systematic sampling
  • Random sampling
  • Convenience sampling
  • Judgmental sampling
Multiple Choice
Fill in the blank: A team of talented math students being selected to represent a school in an interschool math competition is an example of $[?]$.
Options:
  • Systematic sampling
  • Random sampling
  • Convenience sampling
  • Judgmental sampling

Classifier: The text uses the term "maths" twice, which is the standard AU term for the US "math". Per decision rules, terminology takes precedence over spelling.

Verifier: The text uses "maths", which is the standard AU/British term for the US "math". This is a terminology difference in a school context.

JQ7R1MlmQT12tWOfnQLN Localize Spelling (AU-US)
Question
Factorise $2x^3y^2+6x^4y$
Answer:
  • 2{x}^{3}{y}({y}+3{x})
Question
Factor $2x^3y^2+6x^4y$
Answer:
  • 2{x}^{3}{y}({y}+3{x})

Classifier: Contains the AU spelling "Factorise", which needs to be converted to the US spelling "Factorize".

Verifier: The text contains "Factorise", which is the AU/UK spelling. The US spelling is "Factorize". This requires a RED classification per rule 1.

JdxsISI29t6FGqtOzFHD Localize Spelling (AU-US)
Question
How many arrangements are possible when you arrange red, green, blue, white and yellow flags such that the white flag is always the first colour of the row?
Answer:
  • 24
Question
How many arrangements are possible when you arrange red, green, blue, white and yellow flags such that the white flag is always the first color of the row?
Answer:
  • 24

Classifier: The text contains the AU spelling "colour", which needs to be converted to the US spelling "color".

Verifier: The text contains the AU spelling "colour", which must be localized to the US spelling "color".

IcZjyJME0vebM9atCoSW Localize Spelling (AU-US)
Multiple Choice
True or false: If an angle of $270^\circ$ is measured anticlockwise, then the value of angle $\theta=-270^\circ$.
Options:
  • False
  • True
Multiple Choice
True or false: If an angle of $270^\circ$ is measured counterclockwise, then the value of angle $\theta=-270^\circ$.
Options:
  • False
  • True

Classifier: Contains the AU/UK spelling 'anticlockwise', which should be localized to 'counterclockwise' for a US audience.

Verifier: Contains 'anticlockwise', which is the AU/UK spelling. US English uses 'counterclockwise'.

JXWkwagEMuXmmQlScBSE Localize Units (simple)
Question
How many cubic millimetres are there in $10$ cubic centimetres ?
Answer:
  • 10000
Question
How many cubic inches are there in $10$ cubic feet ?
Answer:
  • 17280

Classifier: The text contains metric units ("millimetres" and "centimetres") which require conversion or localization for a US audience. It also contains AU spelling ("millimetres", "centimetres").

Verifier: The text contains metric units ("millimetres" and "centimetres") and AU-specific spelling of those units, requiring localization for a US audience.

IzZ9IQz9tUJJedPRyP77 Localize Spelling (AU-US)
Multiple Choice
Write $4256$ in words.
Options:
  • Four thousand two hundred and fifty-six
  • Four and two hundred fifty-six
Multiple Choice
Write $4256$ in words.
Options:
  • Four thousand two hundred fifty-six
  • Four and two hundred fifty-six

Classifier: The text uses the word "and" in the written form of a whole number ("four thousand two hundred and fifty-six"). In US English pedagogy, "and" is strictly reserved for the decimal point, and whole numbers should not include it. This is a common AU/UK vs US convention difference in elementary mathematics.

Verifier: The primary classifier correctly identified the use of "and" in the written form of a whole number ("Four thousand two hundred and fifty-six"). In US English mathematics pedagogy, "and" is reserved for the decimal point, whereas in AU/UK English, it is standard to include "and" after the hundreds place. This constitutes a locale-specific convention difference.

JVHsIFEn70OrXC8fYkTY Localize Units (simple)
Question
A particle is moving, and its displacement function is $s(t)=2t^3+t-5$ m for $0\leq t\leq 4$ s. Find the instantaneous velocity of the particle at $t=2$ seconds.
Answer:
  • 25
Question
A particle is moving, and its displacement function is $s(t)=2t^3+t-5$ ft for $0\leq t\leq 4$ s. Find the instantaneous velocity of the particle at $t=2$ seconds.
Answer:
  • 25

Classifier: The text contains metric units ("m" for metres and "s" for seconds, as well as "m/s" in the suffix). According to the decision rules, any metric unit found anywhere in the text requires classification into a units category.

Verifier: The text contains metric units ("m" for metres and "s" for seconds, as well as "m/s" in the suffix). According to the decision rules, any metric unit found anywhere in the text requires classification into a units category. Since it is a simple derivative calculation with one primary equation, simple_conversion is appropriate.

K3hbwm3awPkGB8YKLj0G Localize Units (simple)
Question
A $100$ m long rectangular soccer pitch has a perimeter of $350$ m. Find the width of the pitch.
Answer:
  • 75
Question
A $100$ ft long rectangular soccer field has a perimeter of $350$ ft. Find the width of the field.
Answer:
  • 75

Classifier: The question uses "m" (metres) as a unit of measurement for the dimensions of a soccer pitch. Metric units require localization.

Verifier: The question uses the metric unit "m" (metres) for length and perimeter, which requires simple unit conversion for the US locale.

IbWGOYG3VnnkekRWW4cK Localize Units (simple)
Question
In a right-angled triangle, one side is $12$ cm and the hypotenuse is $37$ cm. Find the length of the other side.
Answer:
  • 35
Question
In a right triangle, one side is $12$ in and the hypotenuse is $37$ in. Find the length of the other side.
Answer:
  • 35

Classifier: The text contains the metric unit 'cm' and the AU-specific term 'right-angled triangle' (US: right triangle). Per the decision rules, the presence of a metric unit triggers the units conversion category as the most impactful change.

Verifier: The text contains the metric unit 'cm' and the AU-specific term 'right-angled triangle' (US: right triangle). Metric units require RED classification.

KD7dutgKDRqXFPN1maVq Localize Units (simple)
Question
How many km$^2$ are there in $1$ m$^2$ ?
Answer:
  • 0.000001
Question
How many mi$^2$ are there in $1$ ft$^2$ ?
Answer:
  • 0.000001

Classifier: The question explicitly uses and asks for a conversion between metric units (km^2 and m^2).

Verifier: The question involves a direct conversion between metric units (km^2 and m^2). Per rule 3, any metric unit requires at least RED.units_simple_conversion.

JdP1bIHt7szYDPon0DRg Localize Terminology
Multiple Choice
Find the highest common factor of $24$ and $60$.
Options:
  • $60$
  • $36$
  • $12$
  • $24$
Multiple Choice
Find the greatest common factor of $24$ and $60$.
Options:
  • $60$
  • $36$
  • $12$
  • $24$

Classifier: The term "highest common factor" (HCF) is the standard AU/UK term, whereas the US standard is "greatest common factor" (GCF).

Verifier: The term "highest common factor" (HCF) is the standard AU/UK term, whereas the US standard is "greatest common factor" (GCF). This requires localization.

JE9HIYQCp6jdWqng1f7B Localize Spelling (AU-US)
Multiple Choice
True or false: The average speed of an object over the time interval $[t_1,t_2]$ is given by: ${\text{Average Speed}}$ = $\Large\frac{\text{Distance Travelled from }t_1 \text{ to } t_2}{t_2-t_1}$
Options:
  • False
  • True
Multiple Choice
True or false: The average speed of an object over the time interval $[t_1,t_2]$ is given by: ${\text{Average Speed}}$ = $\Large\frac{\text{Distance Traveled from }t_1 \text{ to } t_2}{t_2-t_1}$
Options:
  • False
  • True

Classifier: Contains the AU spelling "Travelled", which requires conversion to the US spelling "Traveled".

Verifier: The text contains "Travelled", which is the AU/UK spelling. US English uses "Traveled".

ItIiZkqHZTj86hL7DqXD Localize Answer set
Multiple Choice
Which of the following quadrilaterals has diagonals that perpendicularly bisect each other?
Options:
  • Pentagon
  • Trapezium
  • Parallelogram
  • Kite
Multiple Choice
Which of the following quadrilaterals has diagonals that perpendicularly bisect each other?
Options:
  • Pentagon
  • Trapezoid
  • Parallelogram
  • Kite

Classifier: Contains the term "Trapezium", which in the US refers to a quadrilateral with no parallel sides, whereas in AU/UK it refers to a quadrilateral with at least one pair of parallel sides (which the US calls a "Trapezoid"). This requires localization of the answer set.

Verifier: The term "Trapezium" is used in the answer set. In the US, this refers to a quadrilateral with no parallel sides, whereas in AU/UK it refers to what the US calls a "Trapezoid". This requires localization for the US market.

J7mANtkS2ojspnwLcYND Localize Units (simple)
Multiple Choice
Fill in the blank: The mass of a grain of sand is best measured in $[?]$.
Options:
  • t
  • mg
  • g
  • kg
Multiple Choice
Fill in the blank: The weight of a grain of sand is best measured in $[?]$.
Options:
  • tons
  • oz
  • lb
  • T

Classifier: The question specifically asks for the best unit of measurement for mass and provides metric options (mg, g, kg, t). Any presence of metric units requires localization to US customary units or a check against US science/math curriculum standards which typically favor US customary for general mass estimation.

Verifier: The question and answers contain metric units of mass (mg, g, kg, t). Per rule 3, any metric unit requires at least RED.units_simple_conversion.

IR2pNOWTivrZghVtMjic Localize Units (simple)
Multiple Choice
Which of the following can be represented by a discrete random variable?
Options:
  • The amount of water in a $250$mL glass
  • The change in temperature in last $3$ days
  • Choosing a real number between $0$ and $10$
  • The number of strawberry flavoured lollies picked from a pack of $50$ lollies of strawberry and chocolate flavour
Multiple Choice
Which of the following can be represented by a discrete random variable?
Options:
  • The amount of water in a $250$ fl oz glass
  • The change in temperature in the last $3$ days
  • Choosing a real number between $0$ and $10$
  • The number of strawberry flavored candies picked from a pack of $50$ candies of strawberry and chocolate flavor

Classifier: Contains the metric unit "mL" (millilitres) and the AU spelling "flavoured" and "lollies" (US: candies). Per rule 1, any metric unit or AU spelling disqualifies GREEN. Units conversion is the highest priority change.

Verifier: The text contains the metric unit "mL" and AU spellings "flavoured" and "lollies". Per the decision rules, metric units and AU spelling require RED classification, with units conversion taking priority.

J1o1O5vu0KPKxj1Qr4W4 Localize Units (simple)
Multiple Choice
Express the following ratio in the simplest form, ensuring that each quantity has the same units. $2$ kg $:$ $400$ g $:$ $6$ kg
Options:
  • $1:15:5$
  • $5:1:15$
  • $15:5:1$
  • $5:15:1$
Multiple Choice
Express the following ratio in the simplest form, ensuring that each quantity has the same units. $2$ lb $:$ $400$ oz $:$ $6$ lb
Options:
  • $1:15:5$
  • $5:1:15$
  • $15:5:1$
  • $5:15:1$

Classifier: The question explicitly uses metric units (kg and g) and requires a ratio calculation based on those units. Per decision rules, any metric unit requires RED classification.

Verifier: The question contains metric units ("kg" and "g"). According to the decision rules, any metric unit requires at least RED.units_simple_conversion. The conversion is simple (ratio of constants), so simple_conversion is correct.

JK95oiAXE7tNCJGo05fT Localize Units (simple)
Multiple Choice
Which of the following is equal to $67$ L ?
Options:
  • $0.067$ m$^3$
  • $670$ ml
  • $6700$ cm$^3$
  • $0.67$ m$^3$
Multiple Choice
Which of the following is equal to $67$ gal ?
Options:
  • $0.067$ ft$^3$
  • $670$ fl oz
  • $6700$ in$^3$
  • $0.67$ ft$^3$

Classifier: The question and answers contain multiple metric units (L, ml, m^3, cm^3) which require localization to US customary units or a decision on metric pedagogy.

Verifier: The question contains multiple metric units (L, ml, m^3, cm^3) which require localization.

K3JcohBlrWaSiHVjJSTp Localize Spelling (AU-US)
Multiple Choice
What is $2x(2x-1)+3(2x-1)$ in factorised form?
Options:
  • $(4x^2-2x)+(6x-3)$
  • $(4x^2-1)(6x-1)$
  • $(4x-1)(6x-1)$
  • $(2x+3)(2x-1)$
Multiple Choice
What is $2x(2x-1)+3(2x-1)$ in factored form?
Options:
  • $(4x^2-2x)+(6x-3)$
  • $(4x^2-1)(6x-1)$
  • $(4x-1)(6x-1)$
  • $(2x+3)(2x-1)$

Classifier: Contains the AU spelling "factorised", which needs to be converted to the US spelling "factorized".

Verifier: The text contains the AU spelling "factorised", which requires localization to the US spelling "factorized".

IYLzM9rTR3lQhl1HjBPc Localize Answer set
Multiple Choice
Starting with summer, what is the correct order of the four seasons?
Options:
  • Summer, Autumn, Spring, Winter
  • Summer, Spring, Winter, Autumn
  • Summer, Autumn, Winter, Spring
  • Summer, Winter, Spring, Autumn
Multiple Choice
Starting with summer, what is the correct order of the four seasons?
Options:
  • Summer, Fall, Spring, Winter
  • Summer, Spring, Winter, Fall
  • Summer, Fall, Winter, Spring
  • Summer, Winter, Spring, Fall

Classifier: The term "Autumn" is the standard AU term for the season, whereas "Fall" is the standard US term. This requires localization for the answer set to be natural for a US audience.

Verifier: The answer choices use "Autumn", which is the standard AU term. For US localization, this is typically changed to "Fall" to ensure the answer set is natural for the target audience.

K0CjJuBbjRNps2l0yNub Localize Units (simple)
Multiple Choice
Which of the following most reasonably represents the sample space for $Y$ if $Y$ is the weight of the students in a class in kilograms?
Options:
  • $(20,100)$
  • $[0,\infty)$
  • $\{10,20,30,40,50,60,70,80,90,100\}$
  • $[0,10]$
Multiple Choice
Which of the following most reasonably represents the sample space for $Y$ if $Y$ is the weight of the students in a class in pounds?
Options:
  • $(20,100)$
  • $[0,\infty)$
  • $\{10,20,30,40,50,60,70,80,90,100\}$
  • $[0,10]$

Classifier: The text explicitly uses "kilograms" as the unit of measurement, which requires localization to pounds for a US audience.

Verifier: The text uses "kilograms", which is a metric unit requiring conversion to US customary units (pounds).

KQv9DZLy75MXHXhq7PKY Localize Units (simple)
Question
Fill in the blank: $0.12$ kL $=[?]$ L
Answer:
  • 120
Question
Fill in the blank: $0.12$ gal $=[?]$ fl oz
Answer:
  • 15.36

Classifier: The question explicitly uses and asks for conversion between metric units (kL and L).

Verifier: The question involves metric units (kL and L), which requires RED classification per rule 3. It is a simple numeric conversion.

KdaFnzNxjbwHAS9YFved Localize Terminology
Multiple Choice
True or false: Hire-purchase agreements never require a deposit at the beginning of the agreement.
Options:
  • False
  • True
Multiple Choice
True or false: Installment loans never require a deposit at the beginning of the agreement.
Options:
  • False
  • True

Classifier: "Hire-purchase agreements" is a specific Commonwealth term for what is known in the US as "installment plans" or "rent-to-own". This requires terminology localization for a US audience.

Verifier: "Hire-purchase agreements" is a specific Commonwealth/AU term for what is known in the US as "installment plans" or "rent-to-own". This requires terminology localization.

KqSIeH4j2heupZfFGjeD Localize Terminology
Question
Which number greater than $35$ completes the Pythagorean triple? $\{12, 35, [?]\}$
Hint: A Pythagorean triple is a set of integer side lengths that make up a right-angled triangle.
Answer:
  • 37
Question
Which number greater than $35$ completes the Pythagorean triple? $\{12, 35, [?]\}$
Hint: A Pythagorean triple is a set of integer side lengths that make up a right triangle.
Answer:
  • 37

Classifier: The hint contains the term "right-angled triangle", which is the standard AU/UK term. The US equivalent is "right triangle".

Verifier: The term "right-angled triangle" is the standard AU/UK terminology, whereas "right triangle" is used in the US.

uPMROp2B5NZGMNJYXQVs Localize Units (simple)
Question
What is $400000$ mm$^3$ in cm$^3$ ?
Answer:
  • 400
Question
What is $400000$ in$^3$ in ft$^3$ ?
Answer:
  • 400

Classifier: The question is specifically about converting between metric units (mm^3 to cm^3).

Verifier: The question specifically involves converting between metric units (mm^3 and cm^3).

uQv6K5UF0SOaSD19sDNc Localize Units (simple)
Question
Find the area of a parallelogram with a height of $2$ cm and a base of $4$ cm.
Answer:
  • 8
Question
Find the area of a parallelogram with a height of $2$ in and a base of $4$ in.
Answer:
  • 8

Classifier: The text contains metric units ("cm" and "cm$^2$") which require conversion to US customary units per the decision rules.

Verifier: The text contains metric units ("cm" and "cm$^2$") which require conversion to US customary units. This is a simple numeric area calculation.

KesWQLM27ButRypQczUr Localize Terminology
Multiple Choice
Fill in the blank. The calculations used to solve for annuities are the same as the calculations used for $[?]$.
Options:
  • Compound interest
  • Personal loans
  • Reducing-balance loans
  • Interest-only loans
Multiple Choice
Fill in the blank. The calculations used to solve for annuities are the same as the calculations used for $[?]$.
Options:
  • Compound interest
  • Personal loans
  • Amortized loans
  • Interest-only loans

Classifier: The term "Reducing-balance loans" is standard AU terminology for what is typically called an "amortized loan" or "declining balance loan" in the US. While "Compound interest" is neutral, the specific loan types listed are characteristic of the AU financial math curriculum.

Verifier: "Reducing-balance loans" is standard AU terminology for "amortized loans" or "declining balance loans" in the US. This is a terminology-based localization requirement.

ulN9i5Ews7JQ6HgraJ63 Localize Spelling (AU-US)
Question
Rationalise ${\Large\frac{3-6\sqrt{3}}{3+2\sqrt{3}}}$ in the form of $a+b\sqrt{3}$ and then find the value of $b.$
Answer:
  • 8
Question
Rationalize ${\Large\frac{3-6\sqrt{3}}{3+2\sqrt{3}}}$ in the form of $a+b\sqrt{3}$ and then find the value of $b.$
Answer:
  • 8

Classifier: Contains the AU spelling "Rationalise", which should be "Rationalize" in US English.

Verifier: Contains "Rationalise", which is the AU/UK spelling; US spelling is "Rationalize".

KuD7gGrmzRxtMersX5bU Localize Terminology
Multiple Choice
What is the turning point of the parabola $y=-(x+2)(x-4)$ ?
Options:
  • $(-1,9)$
  • $(1,9)$
  • $(-1,-9)$
  • $(1,-9)$
Multiple Choice
What is the vertex of the parabola $y=-(x+2)(x-4)$ ?
Options:
  • $(-1,9)$
  • $(1,9)$
  • $(-1,-9)$
  • $(1,-9)$

Classifier: The term "turning point" is standard in AU/UK curriculum for the vertex of a parabola. In the US, "vertex" is the standard term.

Verifier: The term "turning point" is the standard AU/UK curriculum term for what is called the "vertex" in the US.

KPZOY5vwFCQ7BYmjVhwj Localize Spelling (AU-US)
Multiple Choice
Fill in the blank. If $v(t)$ is the velocity function of an object, then the distance travelled by the object in the time interval $[t_1,t_2]$ is $[?]$.
Options:
  • $\int_{t_1}^{t_2}v(t)dt$
  • $\int_{t_1}^{t_2}|v(t)|dt$
  • $v(t_2)-v(t_1)$
  • $v(t_1)-v(t_2)$
Multiple Choice
Fill in the blank. If $v(t)$ is the velocity function of an object, then the distance traveled by the object in the time interval $[t_1,t_2]$ is $[?]$.
Options:
  • $\int_{t_1}^{t_2}v(t)dt$
  • $\int_{t_1}^{t_2}|v(t)|dt$
  • $v(t_2)-v(t_1)$
  • $v(t_1)-v(t_2)$

Classifier: The word "travelled" is the AU/UK spelling; the US spelling is "traveled".

Verifier: The word "travelled" is the AU/UK spelling (US: "traveled"). Per rule 1, any AU spelling requires RED classification.

ujrHDGSNU5MoTlHaEXja Localize Terminology
Question
Which number greater than $63$ completes the Pythagorean triple? $\{16, 63, [?]\}$
Hint: A Pythagorean triple is a set of integer side lengths that make up a right-angled triangle.
Answer:
  • 65
Question
Which number greater than $63$ completes the Pythagorean triple? $\{16, 63, [?]\}$
Hint: A Pythagorean triple is a set of integer side lengths that make up a right triangle.
Answer:
  • 65

Classifier: Contains the AU-specific term "right-angled triangle", which should be localized to "right triangle" in a US context.

Verifier: The term "right-angled triangle" is the standard AU/UK term, whereas "right triangle" is used in the US.

uOQH0epP78zvkVevWwL5 Localize Spelling (AU-US)
Multiple Choice
Factorise $2x^{2}+12x+18$
Options:
  • $(x-3)(2x-3)$
  • $2(x+3)(x+3)$
  • $(2x-3)(x+3)$
  • $2(x+6)(x-6)$
Multiple Choice
Factor $2x^{2}+12x+18$
Options:
  • $(x-3)(2x-3)$
  • $2(x+3)(x+3)$
  • $(2x-3)(x+3)$
  • $2(x+6)(x-6)$

Classifier: Contains the AU spelling "Factorise", which needs to be localized to the US spelling "Factorize".

Verifier: Contains the AU spelling "Factorise", which must be localized to "Factorize".

ulfXf7fxTEqZIqjBjRZm Review Review
Question
A university semester score of $270$ corresponds to the $69{\text{th}}$ percentile, with a total of $1200$ students. How many students scored below $270$?
Answer:
  • 828
Question
A college semester score of $270$ corresponds to the $69{\text{th}}$ percentile, with a total of $1200$ students. How many students scored below $270$?
Answer:
  • 828

Classifier: Contains the term "semester". While common in the US, its usage in this specific context (university scoring) may be subject to specific localization policies regarding academic terms.

Verifier: The term "semester" is standard in both US and AU academic contexts. There are no other locale-specific markers (spelling, units, or currency). It does not meet the criteria for GRAY.term_semester_quarter_policy which usually applies to specific date/term alignments or school year structures not present here.

udOTIRWteKBDDMkRe8R2 Localize Units (simple)
Question
The average height of $5$ students in a class is $160$ cm. What is the sum of their heights?
Answer:
  • 800
Question
The average height of $5$ students in a class is $160$ in. What is the sum of their heights?
Answer:
  • 800

Classifier: The text contains the metric unit "cm" (centimetres) which requires conversion to US customary units (inches/feet) for US localization.

Verifier: The question contains the metric unit "cm" (centimetres) in both the content and the suffix, which requires conversion to US customary units.

uUUZ1jIoTvQs5tTG8S3b Localize Terminology
Multiple Choice
Determine whether $\triangle ABC$ is scalene, isosceles, or equilateral given that $A=(-2,-2,-4)$, $B=(2,2,4)$ and $C=(6,-2,2)$.
Options:
  • Right angled triangle
  • Scalene triangle
  • Equilateral triangle
  • Isosceles triangle
Multiple Choice
Determine whether $\triangle ABC$ is scalene, isosceles, or equilateral given that $A=(-2,-2,-4)$, $B=(2,2,4)$ and $C=(6,-2,2)$.
Options:
  • Right triangle
  • Scalene triangle
  • Equilateral triangle
  • Isosceles triangle

Classifier: The answer set contains the term "Right angled triangle", which is the AU/UK standard. The US equivalent is "Right triangle".

Verifier: The answer set contains "Right angled triangle", which is the AU/UK standard terminology. The US equivalent is "Right triangle".

vRf0ytEYKgUOjU0NX1LP Localize Units (simple)
Question
The perimeter of a square garden is $100$ m. Find the length of each side.
Answer:
  • 25
Question
The perimeter of a square garden is $100$ ft. Find the length of each side.
Answer:
  • 25

Classifier: The text contains the metric unit "m" (metres) which requires conversion to US customary units (feet/yards) or at least triggers the units classification.

Verifier: The text contains the metric unit "m" (metres), which requires conversion to US customary units.

uQW6lbjDxowhn8bVoerH Localize Units (simple)
Multiple Choice
A $1000$ m long wire is bent into the shape of a rectangle. Which expression represents the area of the rectangle in terms of $L$?
Options:
  • $-L^{2}+500L$
  • $L^{2}-1000L$
  • $L^{2}+2500L$
  • $2L^{2}-1000$
Multiple Choice
A $1000$ ft long wire is bent into the shape of a rectangle. Which expression represents the area of the rectangle in terms of $L$?
Options:
  • $-L^{2}+500L$
  • $L^{2}-1000L$
  • $L^{2}+2500L$
  • $2L^{2}-1000$

Classifier: Contains the metric unit "m" (metres). Per decision rules, any metric unit found anywhere in the text triggers a units category.

Verifier: Contains the metric unit "m" (metres), which triggers a units category per decision rules.

unZOtAH0Ac77CqGQuvyE Localize Units (simple)
Question
A driver travels at a fixed speed of $61$ km/h. How much distance will they cover in $19$ hours?
Answer:
  • 1159
Question
A driver travels at a fixed speed of $61$ mph. How much distance will they cover in $19$ hours?
Answer:
  • 1159

Classifier: The question contains metric units ("km/h", "km", "kilometres") which require conversion to US customary units (mph, miles).

Verifier: The question uses metric units "km/h", "km", and "kilometres" which require conversion to US customary units. It is a simple conversion as it involves a single rate and a single time value to find distance.

vY7PEOoqsuGaM5XxYwJ2 Localize Terminology
Multiple Choice
Which type of graph is best for comparing five distinct metals?
Options:
  • Column graph
  • Histogram
Multiple Choice
Which type of graph is best for comparing five distinct metals?
Options:
  • Bar graph
  • Histogram

Classifier: The term "Column graph" is the standard Australian term for what is typically called a "Bar graph" in US curriculum.

Verifier: "Column graph" is the specific term used in the Australian curriculum (ACARA) where US curricula typically use "Bar graph".

vT5GNGJNYmW1Gu4T1oEH Review Policy
Multiple Choice
For the given situation, which of these options is correct? The price of an electronic bicycle worth $\$900$ over time is represented using the regression equation: Price$=900-10\times$quarter of a year For the given situation, which of these options is correct?
Options:
  • Both of the above
  • None of the above
  • The price of the bicycle increases by $\$10$ after every $4$ months
  • The price of the bicycle decreases by $\$10$ after $4$ months
Multiple Choice
For the given situation, which of these options is correct? The price of an electric bicycle worth $\$900$ over time is represented using the regression equation: Price$=900-10\times$quarter of a year For the given situation, which of these options is correct?
Options:
  • Both of the above
  • None of the above
  • The price of the bicycle increases by $\$10$ after every $3$ months
  • The price of the bicycle decreases by $\$10$ after $3$ months

Classifier: The text uses "quarter of a year" and "4 months". While "quarter" is used in the US, the logic in the answer choices (equating a quarter to 4 months) is mathematically unusual (a quarter is typically 3 months). This may be a specific curriculum convention or a typo, warranting a policy check or human review.

Verifier: The use of "quarter of a year" equated to "4 months" is mathematically non-standard (a quarter is 3 months) and may reflect a specific curriculum convention or error that requires human review.

v9Da3i9y961KuDWw2vQK Localize Units (simple)
Multiple Choice
A body starts at $12$ m to the right of the point $O$ and then moves in a straight line with the velocity $v(t)=-8t+15$ m/s in time $t\geq0$. Describe the position and the velocity of the body at $t=3$ s.
Options:
  • None of the above
  • The body is $21$ m to the right of the point $O$ and moving to the right with the speed of $9$ m s$^{-1}$
  • The body is $21$ m to the left of the point $O$ and moving to the left with the speed of $9$ m s$^{-1}$
  • The body is $21$ m to the right of the point $O$ and moving to the left with the speed of $9$ m s$^{-1}$
Multiple Choice
A body starts at $12$ ft to the right of the point $O$ and then moves in a straight line with the velocity $v(t)=-8t+15$ ft/s in time $t\geq0$. Describe the position and the velocity of the body at $t=3$ s.
Options:
  • None of the above
  • The body is $21$ ft to the right of the point $O$ and moving to the right with the speed of $9$ ft s$^{-1}$
  • The body is $21$ ft to the left of the point $O$ and moving to the left with the speed of $9$ ft s$^{-1}$
  • The body is $21$ ft to the right of the point $O$ and moving to the left with the speed of $9$ ft s$^{-1}$

Classifier: The text contains multiple metric units ("m", "m/s", "m s$^{-1}$") which require localization to US customary units.

Verifier: The text contains metric units "m", "m/s", and "m s$^{-1}$" which require conversion to US customary units. The conversion is straightforward (simple).

vuTmq5UdltkhqSHTkYn6 Localize Terminology
Multiple Choice
True or false: $-6x^3+1=0$ is a cubic equation in point of inflection form.
Options:
  • False
  • True
Multiple Choice
True or false: $-6x^3+1=0$ is a cubic equation in inflection point form.
Options:
  • False
  • True

Classifier: The term "point of inflection form" for a cubic equation is a specific terminology used in Australian (specifically VCE/Victorian) curriculum. In the US, this is more commonly referred to as "vertex form" or "transformation form" of a cubic, or simply described via transformations.

Verifier: The phrase "point of inflection form" is specific to the Australian (VCE) curriculum for cubic functions. In the US, this is typically called "vertex form" or "transformation form".

vzai9WC72Y4nCMtInuxO Localize Units (simple)
Question
Fill in the blank: $2.36$ m$^2=[?]$ cm$^2$
Answer:
  • 23600
Question
Fill in the blank: $2.36$ ft$^2=[?]$ in$^2$
Answer:
  • 339.84

Classifier: The question involves a conversion between metric units (m² to cm²). Any presence of metric units triggers a RED classification.

Verifier: The question involves metric units (m² and cm²), which requires RED classification. It is a simple numeric conversion.

vziAuYcsQpfH30ayjaTy Localize Units (simple)
Question
Fill in the blank: $[?]$ cm$^{3}$ $=0.842$ litres
Answer:
  • 842
Question
Fill in the blank: $[?]$ in$^{3}$ $=0.842$ gallons
Answer:
  • 842

Classifier: The question contains metric units (cm³ and litres). Per the decision rules, units conversion takes precedence over spelling ("litres").

Verifier: The question contains metric units (cm³ and litres). Units conversion takes precedence over the spelling of "litres".

wDaRLTKJbPHUovjhPJN2 Localize Terminology
Multiple Choice
True or false: The triangle formed by the sides of length $35$, $615$ and $613$ units is a right-angled triangle.
Options:
  • False
  • True
Multiple Choice
True or false: The triangle formed by the sides of length $35$, $615$ and $613$ units is a right triangle.
Options:
  • False
  • True

Classifier: The term "right-angled triangle" is the standard AU/UK term. In the US, this is typically referred to as a "right triangle".

Verifier: The term "right-angled triangle" is the standard AU/UK term, whereas the US uses "right triangle". This requires localization for the US market.

vcBNdg7Y78ziaq7sHgPB Localize Spelling (AU-US)
Multiple Choice
What is $x^{3}y-x^{2}y^{2}$ in factorised form?
Options:
  • $xy(1-xy)$
  • $x^{2}(y^{2}-y)$
  • $x^{3}y^{2}(1-x^{2}y)$
  • $x^{2}y(x-y)$
Multiple Choice
What is $x^{3}y-x^{2}y^{2}$ in factored form?
Options:
  • $xy(1-xy)$
  • $x^{2}(y^{2}-y)$
  • $x^{3}y^{2}(1-x^{2}y)$
  • $x^{2}y(x-y)$

Classifier: The word "factorised" uses the Australian/British 's' spelling; the US equivalent is "factorized".

Verifier: The word "factorised" is the Australian/British spelling. The US equivalent is "factorized". Per rule 1, AU spelling always requires RED classification.

xJi52VrtMvZeZoDCzzzc Localize Spelling (AU-US)
Multiple Choice
As part of a school project, a student counted the number of students on the schoolyard at recess. Is this data discrete or continuous?
Options:
  • Continous
  • Discrete
Multiple Choice
As part of a school project, a student counted the number of students on the playground at recess. Is this data discrete or continuous?
Options:
  • Continuous
  • Discrete

Classifier: The answer choice "Continous" is a misspelling of "Continuous". While not strictly an AU-specific spelling (like "metres"), it is a spelling error in the source that requires correction during localization. Additionally, "schoolyard" and "recess" are bi-dialectal, but the spelling error in the answer set triggers a RED classification.

Verifier: The answer choice "Continous" is a spelling error (missing 'u') that requires correction. While not an AU-specific spelling variant, it is a spelling-based localization requirement.

xmaJPdC6C5LG9TLYFLQB Localize Units (simple)
Question
What is $10$ m$^{3}$ in litres?
Answer:
  • 10000
Question
What is $10$ ft$^{3}$ in gallons?
Answer:
  • 74.8

Classifier: The text contains both metric units (m^3) and AU-specific spelling of a metric unit ("litres"). Units conversion takes precedence over spelling.

Verifier: The text contains metric units (m^3) and the AU spelling "litres". Per Rule 5, units conversion takes precedence over spelling. It is a simple unit conversion question.

x04Uubal9YbcWXD1ysL9 Localize Units (simple)
Question
The cost of a $2$ litre can of paint is $\$6$. What will the cost of $24$ litres of paint be?
Answer:
  • 72
Question
The cost of a $2$ gallon can of paint is $\$6$. What will the cost of $24$ gallons of paint be?
Answer:
  • 72

Classifier: Contains metric units ("litre", "litres") which also use AU-specific spelling. Units conversion/localization takes precedence over spelling.

Verifier: The text contains the metric unit "litre" and "litres", which uses AU/British spelling and is a metric unit, requiring RED classification.

wUaX8BAXaWYgVbu6TIuH Localize Units (simple)
Question
Tim ran for $5.8$ km yesterday and $2.3$ km today. How far did he run in total over the two days?
Answer:
  • 8.1
Question
Tim ran for $5.8$ mi yesterday and $2.3$ mi today. How far did he run in total over the two days?
Answer:
  • 8.1

Classifier: The text contains the metric unit "km" (kilometres), which requires conversion to US customary units (miles) for US localization.

Verifier: The question uses "km" (kilometres), which is a metric unit requiring conversion for US localization. The math is a simple addition of two values, making it a simple conversion.

wtGTKdnkpdzxL5FSsXGf Localize Units (simple)
Question
Convert $0.065$ m$^2$ to cm$^2$.
Answer:
  • 650
Question
Convert $0.065$ ft$^2$ to in$^2$.
Answer:
  • 9

Classifier: The question specifically asks to convert between metric units (m^2 to cm^2). Any presence of metric units requires RED classification.

Verifier: The question involves converting between metric units (m^2 and cm^2), which requires RED classification per rule 3.

wnkZ9DoRul8M51N0aJVg Localize Terminology
Question
Write $\sqrt{2}\times2\sqrt{3}$ as a single surd.
Options:
  • \sqrt{24}
  • 2\sqrt{6}
Question
Write $\sqrt{2}\times2\sqrt{3}$ as a single radical.
Options:
  • \sqrt{24}
  • 2\sqrt{6}

Classifier: The term "surd" is standard in AU/UK curriculum but is rarely used in US K-12 math, where "radical" or "radical expression" is the standard term.

Verifier: The term "surd" is specific to AU/UK/Commonwealth curricula; the US equivalent is "radical". This is a terminology difference in a school context.

wNsirv1cqCz3QfhP8ll3 Localize Units (complex)
Question
Find the average velocity of a particle moving for $5$ hours with a velocity of $v(t)=5t-t^3$ km/hr, initially at rest.
Answer:
  • -18.75
Question
Find the average velocity of a particle moving for $5$ hours with a velocity of $v(t)=5t-t^3$ mi/hr, initially at rest.
Answer:
  • -18.75

Classifier: The text contains metric units ("km/hr") which require conversion to US customary units (e.g., mph).

Verifier: The question contains a velocity function v(t) defined in metric units (km/hr). Per rule 4, equations defining quantities in metric or requiring re-deriving formula coefficients should be classified as RED.units_complex_converted.

wG3ZXwNRFzuov5BTOMJj Localize Units (simple)
Question
A tunnel runs for $46$ km on a bearing of $330^\circ \text{T}$. How far north is the end of the tunnel from its starting point?
Hint: Use trigonometry to determine the distance travelled.
Answer:
  • 39.84
Question
A tunnel runs for $46$ mi on a bearing of $330^\circ \text{T}$. How far north is the end of the tunnel from its starting point?
Hint: Use trigonometry to determine the distance traveled.
Answer:
  • 39.84

Classifier: The text contains the metric unit "km" multiple times, which requires conversion for US localization.

Verifier: The question contains the metric unit "km" (kilometres), which requires conversion to US customary units (miles) for localization. It is a simple conversion as it involves a single distance value and a bearing.

wMNi55hyhDLQJxUj786w Localize Units (simple)
Question
Ali has $55$ kilograms of potatoes in his store. He sold $46$ kilograms of potatoes in a week. How many grams of potatoes did he not sell?
Answer:
  • 9000
Question
Ali has $55$ pounds of potatoes in his store. He sold $46$ pounds of potatoes in a week. How many ounces of potatoes did he not sell?
Answer:
  • 144

Classifier: The text contains metric units ("kilograms", "grams") which require conversion to US customary units for localization.

Verifier: Contains metric units "kilograms" and "grams" which require conversion to US customary units.

xjwHYVmZ5RWW4sF4xIKG Localize Spelling (AU-US)
Multiple Choice
Standardise the IQ score of $96$ when the mean of all the scores is $92$ and the standard deviation is $3$.
Options:
  • $-0.54$
  • $1.33$
  • $-4$
  • $2.5$
Multiple Choice
Standardize the IQ score of $96$ when the mean of all the scores is $92$ and the standard deviation is $3$.
Options:
  • $-0.54$
  • $1.33$
  • $-4$
  • $2.5$

Classifier: The word "Standardise" uses the AU/UK "s" spelling instead of the US "Standardize".

Verifier: The word "Standardise" uses the AU/UK spelling (ending in -ise) rather than the US "Standardize".

xD0NECgcdNqQPVRld0Bq Localize Spelling (AU-US)
Multiple Choice
Factorise the polynomial $x^2+4$.
Options:
  • $(x-2)(x+2)$
  • Cannot be factorised
  • $(x-4)(x+4)$
  • $(x-4)(x+1)$
Multiple Choice
Factor the polynomial $x^2+4$.
Options:
  • $(x-2)(x+2)$
  • Cannot be factored
  • $(x-4)(x+4)$
  • $(x-4)(x+1)$

Classifier: Contains the AU/UK spelling "Factorise" and "factorised", which must be converted to "Factorize" and "factorized" for US localization.

Verifier: Contains "Factorise" and "factorised", which are AU/UK spellings that require localization to US "Factorize/factorized".

wrdXHxjufHiDH9eyXZkn Localize Units (simple)
Multiple Choice
Fill in the blank: The total surface area of a closed cylinder with radius $r$ cm and height $h$ cm is given by $[?]$.
Options:
  • $(\pi rh + 2\pi r^2 )$ cm$^2$
  • $2\pi r(r+h)$ cm$^2$
  • $(2\pi rh + \pi r^2 )$ cm$^2$
  • $2\pi rh$ cm$^2$
Multiple Choice
Fill in the blank: The total surface area of a closed cylinder with radius $r$ in and height $h$ in is given by $[?]$.
Options:
  • $(\pi rh + 2\pi r^2 )$ in$^2$
  • $2\pi r(r+h)$ in$^2$
  • $(2\pi rh + \pi r^2 )$ in$^2$
  • $2\pi rh$ in$^2$

Classifier: The text explicitly uses metric units ("cm" and "cm^2") which requires conversion or localization for a US audience.

Verifier: The question and answers use metric units ("cm" and "cm^2"), which requires localization for the US market.

xDCAj188IW215lMbm75w Localize Terminology
Multiple Choice
Fill in the blank: A quadratic equation in turning point form is generally written in the form $[?].$
Options:
  • $y=-a(x-h)^2+k$
  • $y=a(x+h)^2-k$
  • $y=a(x-h)^2+k$
  • $y=a(x-h)^2-k$
Multiple Choice
Fill in the blank: A quadratic equation in vertex form is generally written in the form $[?].$
Options:
  • $y=-a(x-h)^2+k$
  • $y=a(x+h)^2-k$
  • $y=a(x-h)^2+k$
  • $y=a(x-h)^2-k$

Classifier: The term "turning point form" is the standard AU/UK term for what is called "vertex form" in the US.

Verifier: "Turning point form" is the AU/UK term for "vertex form" in the US.

xlsaimxmC6XC8La6bFIs Localize Units (simple)
Multiple Choice
The velocity function of a particle is $v(t)=t^2-t-20$ m/s at time $t\geq 0$. How many times does the particle change its direction?
Options:
  • Never
  • Thrice
  • Twice
  • Once
Multiple Choice
The velocity function of a particle is $v(t)=t^2-t-20$ ft/s at time $t\geq 0$. How many times does the particle change its direction?
Options:
  • Never
  • Thrice
  • Twice
  • Once

Classifier: The text contains the metric unit "m/s" (meters per second), which requires localization to US customary units or a decision on metric usage in US physics contexts. Per rule 1, any metric unit disqualifies the group from being GREEN.

Verifier: The text contains the metric unit "m/s" (metres per second). According to Rule 3, any metric unit requires at least RED.units_simple_conversion. Since it is a single unit in a kinematics context without complex interlinked conversions or re-deriving coefficients, simple conversion is appropriate.

xGEq9RvRwl4Dc71A27kF Localize Spelling (AU-US)
Multiple Choice
Which of the following equations represents a circle centred at $(-1,0)$ with a radius of $64$ units?
Options:
  • $(x+1)^2+y^2=64^2$
  • $x^2+(y+1)^2=8$
  • $(x+1)^2+y^2=8$
  • $(x+1)^2+y^2=8^2$
Multiple Choice
Which of the following equations represents a circle centered at $(-1,0)$ with a radius of $64$ units?
Options:
  • $(x+1)^2+y^2=64^2$
  • $x^2+(y+1)^2=8$
  • $(x+1)^2+y^2=8$
  • $(x+1)^2+y^2=8^2$

Classifier: Contains the AU spelling "centred", which needs to be localized to "centered" for a US audience.

Verifier: Contains the AU spelling "centred", which requires localization to "centered" for US English.

xTTdWqLehwQxgXBRyDAA Localize Spelling (AU-US)
Multiple Choice
Which point on the unit circle corresponds to an angle $\theta$ measured anticlockwise from the positive $x$-axis?
Options:
  • $(\frac{1}{2}\cos\theta, \frac{1}{2}\sin\theta)$
  • $(\cos\theta,\sin\theta)$
  • $(2\cos\theta, 2\sin\theta)$
  • $(\sin\theta, \cos\theta)$
Multiple Choice
Which point on the unit circle corresponds to an angle $\theta$ measured counterclockwise from the positive $x$-axis?
Options:
  • $(\frac{1}{2}\cos\theta, \frac{1}{2}\sin\theta)$
  • $(\cos\theta,\sin\theta)$
  • $(2\cos\theta, 2\sin\theta)$
  • $(\sin\theta, \cos\theta)$

Classifier: Contains the AU/UK spelling "anticlockwise", which should be "counterclockwise" in US English.

Verifier: Contains "anticlockwise", which is the AU/UK spelling. The US equivalent is "counterclockwise".

x2AbFwoeIqj7w8goweyW Localize Spelling (AU-US)
Multiple Choice
Fill in the blank. To rationalise the denominator of $\Large\frac{a}{\sqrt{b}}$ , we have to $[?]$.
Options:
  • Multiply it with $\frac{\sqrt{a}}{\sqrt{a}}$
  • Multiply it with $\frac{\sqrt{b}}{\sqrt{a}}$
  • Multiply it with $\frac{\sqrt{b}}{\sqrt{b}}$
  • Multiply it with $\frac{\sqrt{a}}{\sqrt{b}}$
Multiple Choice
Fill in the blank. To rationalize the denominator of $\Large\frac{a}{\sqrt{b}}$ , we have to $[?]$.
Options:
  • Multiply it by $\frac{\sqrt{a}}{\sqrt{a}}$
  • Multiply it by $\frac{\sqrt{b}}{\sqrt{a}}$
  • Multiply it by $\frac{\sqrt{b}}{\sqrt{b}}$
  • Multiply it by $\frac{\sqrt{a}}{\sqrt{b}}$

Classifier: Contains the AU spelling "rationalise", which needs to be converted to the US spelling "rationalize".

Verifier: Contains the AU spelling "rationalise", which requires localization to the US spelling "rationalize".

xJyNMewyX0lDqFdIwPwi Localize Spelling (AU-US)
Multiple Choice
True or false: To calculate the actual figure, we divide the seasonal index by the deseasonalised data.
Options:
  • False
  • True
Multiple Choice
True or false: To calculate the actual figure, we divide the seasonal index by the deseasonalized data.
Options:
  • False
  • True

Classifier: Contains the AU/UK spelling "deseasonalised" (with an 's'), which should be "deseasonalized" (with a 'z') for US localization.

y2BgBqm7nu2WyP40Celh Localize Units (simple)
Question
A physicist finds that a radioactive sample decays by $20\%$ per year. If $1.70$ g remains after $4$ years, what was the initial amount?
Answer:
  • 4.15
Question
A physicist finds that a radioactive sample decays by $20\%$ per year. If $1.70$ oz remains after $4$ years, what was the initial amount?
Answer:
  • 4.15

Classifier: The text contains the metric unit "g" (grams). According to the decision rules, any metric unit found anywhere in the text triggers a units classification.

Verifier: The question contains the metric unit "g" (grams), which requires conversion or localization for a US audience.

xsgODqzw5NtWXeMVcffJ Localize Units (simple)
Question
The velocity function of a particle is given by $v(t)=2t^2+7t-5$ m for $t\geq0$ s. Find the average acceleration from $t=10$ to $t=20$ seconds.
Answer:
  • 67
Question
The velocity function of a particle is given by $v(t)=2t^2+7t-5$ ft for $t\geq0$ s. Find the average acceleration from $t=10$ to $t=20$ seconds.
Answer:
  • 67

Classifier: The text contains metric units ("m" for meters and "s" for seconds) and the suffix uses metric notation (m s^-2). Per decision rules, any metric unit requires classification into a units category.

Verifier: The question contains metric units (m, s, m s^-2) which requires a RED classification. Simple conversion is appropriate as it is a straightforward calculation of average acceleration.

y6V8rGjzsK0y6ZeFAEmk Localize Units (simple)
Question
A full bucket of water overflows when a metal ball with a density of $3.68$ g/cm$^3$ and a mass of $400$ g is dropped inside. Find the volume of spilled water.
Answer:
  • 109
Question
A full bucket of water overflows when a metal ball with a density of $3.68$ oz/in$^3$ and a mass of $400$ oz is dropped inside. Find the volume of spilled water.
Answer:
  • 109

Classifier: The text contains metric units "g/cm^3", "g", and "cm^3" which require conversion for US localization.

Verifier: The text contains metric units "g/cm^3", "g", and "cm^3" which require conversion for US localization. The calculation is a simple density/mass/volume relationship, fitting simple conversion.

y2Bd11icD98WdBuxtNtz Localize Units (simple)
Question
A rectangular garden is under construction, and according to the architect, they need only $300$ m of fencing material to enclose it from three of its sides. Find the maximum possible area $A$ of the garden.
Answer:
  • 11250
Question
A rectangular garden is under construction, and according to the architect, they need only $300$ ft of fencing material to enclose it from three of its sides. Find the maximum possible area $A$ of the garden.
Answer:
  • 11250

Classifier: The text contains metric units ("m" for metres and "m$^2$" for square metres) which require conversion to US customary units (feet/yards).

Verifier: The question contains metric units ("m" for metres and "m$^2$" for square metres) which require conversion to US customary units.

y6IQb92FErQSlfoqU1UZ Localize Units (simple)
Question
A scientist wants to calculate the density of a metal ball. The ball has a mass of $250$ g and a volume of $25$ cm$^3$. What is its density?
Answer:
  • 10
Question
A scientist wants to calculate the density of a metal ball. The ball has a mass of $250$ oz and a volume of $25$ in$^3$. What is its density?
Answer:
  • 10

Classifier: The text contains metric units (g, cm^3) which require localization for a US audience according to the decision rules.

Verifier: The question contains metric units (g, cm^3) which require conversion for the US locale. The calculation is a simple division (250/25), making it a simple conversion.

xz4ilAyLrs7OcrMa6Fol Localize Terminology
Multiple Choice
Express $y=2x^2-4x+5$ in turning point form.
Options:
  • $y=2(x-1)^2+3$
  • $y=(x-1)^2+3$
  • $y=2(x-1)^2-5$
  • $y=2(x+1)^2+3$
Multiple Choice
Express $y=2x^2-4x+5$ in vertex form.
Options:
  • $y=2(x-1)^2+3$
  • $y=(x-1)^2+3$
  • $y=2(x-1)^2-5$
  • $y=2(x+1)^2+3$

Classifier: The term "turning point form" is the standard Australian/UK term for what is called "vertex form" in the United States.

Verifier: The term "turning point form" is the standard Australian/UK terminology for what is known as "vertex form" in the US. This requires localization for the US market.

xqt1rMLhuR1iLGUB2lRO Localize Terminology
Multiple Choice
When we find payments on an interest-only loan, which of the following information is the one we aim to calculate on the finance solver?
Options:
  • $N$
  • $Cp/Y$
  • $Pp/Y$
  • $PMT$
  • $FV$
  • $PV$
Multiple Choice
When we find payments on an interest-only loan, which of the following information is the one we aim to calculate on the finance solver?
Options:
  • $N$
  • $C/Y$
  • $P/Y$
  • $PMT$
  • $FV$
  • $PV$

Classifier: The term "finance solver" and the specific notation in the answers (Cp/Y, Pp/Y) are highly characteristic of the Australian curriculum (specifically VCE General/Further Mathematics) and the use of TI-Nspire/Casio ClassPad calculators in that region. While the concepts are universal, the specific calculator terminology often requires localization to US-standard financial calculator or spreadsheet terminology.

Verifier: The term "finance solver" and the specific notation (Cp/Y, Pp/Y) are specific to the Australian curriculum and calculator usage (TI-Nspire/Casio ClassPad).

yUTxHJHliNtTrav4hqLa Localize Terminology
Question
Fill in the missing information: Rate, $r=[?]\%$ p.a. Simple interest, $I=\$360$ Principal, $P=\$2000$ Time, $t=6$ years
Hint: p.a. means per annum
Answer:
  • 3
Question
Fill in the missing information: Rate, $r=[?]\%$ p.a. Simple interest, $I=\$360$ Principal, $P=\$2000$ Time, $t=6$ years
Hint: p.a. means per year
Answer:
  • 3

Classifier: The term "p.a." (per annum) is the standard abbreviation in Australian/British financial contexts. While understood in the US, "per year" or simply "annual" is significantly more common in US K-12 pedagogy. More importantly, the hint explicitly defines "p.a.", which is a strong indicator of locale-specific terminology needing alignment.

Verifier: The use of "p.a." and the explicit definition "p.a. means per annum" in the hint are characteristic of AU/British financial mathematics pedagogy. In US K-12 contexts, "annual" or "per year" is the standard terminology.

yZ2aalIFhBmAqxqe2ptv Localize Units (simple)
Question
A cuboid-shaped tank has a length of $8$ m and a cross-sectional area of $7$ m$^2$. Calculate the volume of the tank in litres.
Answer:
  • 56000
Question
A rectangular prism-shaped tank has a length of $8$ ft and a cross-sectional area of $7$ ft$^2$. Calculate the volume of the tank in gallons.
Answer:
  • 56

Classifier: The text contains metric units ("m", "m$^2$", "litres", "L") and specifically uses the AU spelling "litres". Per rule 6, units conversion takes precedence over spelling.

Verifier: The question contains metric units (m, m^2, litres, L) and uses the AU spelling "litres". Per rule 5, units conversion takes precedence over spelling. It is a simple conversion (volume calculation and unit shift).

yXoWPP8wMgTlrJH8IHMT Localize Spelling (AU-US)
Question
The seasonal index for electronics sales in February is $1.25$. If the deseasonalised sales were $\$18260$, what are the actual sales?
Answer:
  • 22825
Question
The seasonal index for electronics sales in February is $1.25$. If the deseasonalized sales were $\$18260$, what are the actual sales?
Answer:
  • 22825

Classifier: Contains "deseasonalised" which uses the AU 's' instead of the US 'z'. Currency symbol ($) is neutral.

Verifier: The word "deseasonalised" uses the AU/UK 's' spelling instead of the US 'z' (deseasonalized).

yTVLJrrEHYgww6ZvqC5x Localize Terminology
Question
Given that $A$ and $B$ are mutually exclusive events, where $\text{Pr}(A)=0.4$ and $\text{Pr}(B)=0.25$, find $\text{Pr}(A\cup B)$. Express your answer as a percentage.
Answer:
  • 65
Question
Given that $A$ and $B$ are mutually exclusive events, where $P(A)=0.4$ and $P(B)=0.25$, find $P(A\cup B)$. Express your answer as a percentage.
Answer:
  • 65

Classifier: The notation "Pr(A)" for probability is much more common in Australia/UK; US curriculum almost exclusively uses "P(A)". This falls under school terminology/notation context.

Verifier: The notation "Pr(A)" is a specific school-context notation common in Australia/UK, whereas the US standard is "P(A)".

xs3gDm7118BWNKyp0uw3 Localize Terminology
Multiple Choice
Fill in the blank. The absolute function $f(x)=|x|$ can be defined in the form of a hybrid function $[?]$
Options:
  • $\begin{cases}-x&;x\geq0\\x&;x\leq1\end{cases}$
  • $\begin{cases}x&;x\geq0\\-x&;x\leq1\end{cases}$
  • $\begin{cases}x&;x\geq0\\-x&;x<0\end{cases}$
  • $\begin{cases}-x&;x\geq0\\x&;x<0\end{cases}$
Multiple Choice
Fill in the blank. The absolute value function $f(x)=|x|$ can be defined in the form of a piecewise function $[?]$
Options:
  • $\begin{cases}-x&;x\geq0\\x&;x\leq1\end{cases}$
  • $\begin{cases}x&;x\geq0\\-x&;x\leq1\end{cases}$
  • $\begin{cases}x&;x\geq0\\-x&;x<0\end{cases}$
  • $\begin{cases}-x&;x\geq0\\x&;x<0\end{cases}$

Classifier: The term "hybrid function" is the standard Australian term for what is called a "piecewise function" in the United States.

Verifier: The term "hybrid function" is the standard Australian curriculum term for what is known as a "piecewise function" in the US.

y9AhDxnu28jj1xGfODtd Localize Terminology
Multiple Choice
Which of the following parabolas has a turning point at $(0,-5)$ and passes through $(-2.5,-30)$ ?
Options:
  • $y=5x^{2}-5$
  • $y=-3x^{2}-5$
  • $y=2(x-5)^{2}$
  • $y=-4x^{2}-5$
Multiple Choice
Which of the following parabolas has a vertex at $(0,-5)$ and passes through $(-2.5,-30)$ ?
Options:
  • $y=5x^{2}-5$
  • $y=-3x^{2}-5$
  • $y=2(x-5)^{2}$
  • $y=-4x^{2}-5$

Classifier: The term "turning point" is standard AU terminology for what is referred to as the "vertex" of a parabola in US curriculum.

Verifier: The term "turning point" is the standard AU term for the "vertex" of a parabola in US curriculum.

z3qFmopIHO74NyqZvZpp Localize Units (simple)
Question
Find the arc length of a sector of radius $10$ cm with a central angle of $\frac{\pi}{4}$ radians.
Answer:
  • 7.85
Question
Find the arc length of a sector of radius $10$ in with a central angle of $\frac{\pi}{4}$ radians.
Answer:
  • 7.85

Classifier: The question contains the metric unit "cm" (centimetres), which requires conversion to US customary units or at least flags the content as non-neutral.

Verifier: The question contains the metric unit "cm" (centimetres), which requires conversion for US localization.

yPfxPlYgrxgIojeNArcx Localize Cultural refs
Multiple Choice
Express the following ratio in the simplest form, ensuring that each quantity has the same units. $\$10$ $:$ $\$8.20$ $:$ $200c$
Options:
  • $2:161:50$
  • $5:4.10:100$
  • $50:41:10$
  • $10:8.20:200$
Multiple Choice
Express the following ratio in the simplest form, ensuring that each quantity has the same units. $\$10$ $:$ $\$8.20$ $:$ $200¢$
Options:
  • $2:161:50$
  • $5:4.10:100$
  • $50:41:10$
  • $10:8.20:200$

Classifier: The use of "200c" to represent cents is a specific currency notation style often associated with AU/UK contexts, and the problem involves converting between dollars and cents in a way that implies a specific currency system. While the dollar sign is shared, "c" for cents in this specific ratio format is a cultural/geographic convention.

Verifier: The notation "200c" for cents is a specific convention often found in AU/UK contexts. In the US, cents are typically denoted with the cent sign (¢) or as decimals of a dollar ($0.02). This represents a cultural/geographic convention in currency notation.

yh0KvhkJdCIBesclKtzW Localize Units (simple)
Question
The temperature at $4$:$00$ pm was $15^\circ C$. Five hours later, the temperature dropped by $21^\circ C$. What was the temperature at $9$:$00$ pm?
Answer:
  • -6
Question
The temperature at $4$:$00$ pm was $15^\circ F$. Five hours later, the temperature dropped by $21^\circ F$. What was the temperature at $9$:$00$ pm?
Answer:
  • -6

Classifier: The question uses degrees Celsius, which is a metric unit requiring conversion to Fahrenheit for US localization.

Verifier: The question uses degrees Celsius ($^\circ C$), which is a metric unit requiring conversion for US localization. It is a simple conversion involving a few numeric values.

zEHUdZuMoZ5aMQiBQetQ Localize Spelling (AU-US)
Multiple Choice
True or false: Picking a red-coloured ball from a bag containing $3$ red and $2$ blue balls is a random event.
Options:
  • False
  • True
Multiple Choice
True or false: Picking a red-colored ball from a bag containing $3$ red and $2$ blue balls is a random event.
Options:
  • False
  • True

Classifier: Contains the AU spelling "red-coloured". The US spelling is "colored".

Verifier: Contains "red-coloured", which uses the AU/British spelling "coloured" instead of the US "colored".

zRs2c8g8Y6Od0iDHVmXE Localize Spelling (AU-US)
Multiple Choice
Which method is best for minimising the horizontal distance of each data point?
Options:
  • Regression of $y$ against $x$
  • Regression of $x$ against $y$
Multiple Choice
Which method is best for minimizing the horizontal distance of each data point?
Options:
  • Regression of $y$ against $x$
  • Regression of $x$ against $y$

Classifier: Contains the AU/UK spelling "minimising", which requires conversion to the US spelling "minimizing".

Verifier: Contains "minimising", which is the AU/UK spelling. US spelling is "minimizing".

znfgzQnHFh1idUPuqbLk Localize Terminology
Question
A random survey of $500$ people was conducted, and their responses recorded, with $369$ people agreeing that maths was their favourite subject at school. Find the margin of error of a $90\%$ confidence interval constructed from this data.
Answer:
  • 0.0323
Question
A random survey of $500$ people was conducted, and their responses recorded, with $369$ people agreeing that math was their favorite subject at school. Find the margin of error of a $90\%$ confidence interval constructed from this data.
Answer:
  • 0.0323

Classifier: The text uses the term "maths", which is the standard Australian/British term for the subject. In the US, "math" is used.

Verifier: The text uses "maths", which is the standard Australian/British term for the subject. In the US, "math" is used. This is a terminology difference in a school context.

zusYZeupFqiuLMB5590e Localize Spelling (AU-US)
Multiple Choice
Factorise $x^2-x-p^2x+p^2$ by grouping.
Options:
  • $(x-p^2)(x-1)$
  • $(x+1)(x-p^2)$
  • $(x-p)(x+p)$
  • $(x-p)^2$
Multiple Choice
Factor $x^2-x-p^2x+p^2$ by grouping.
Options:
  • $(x-p^2)(x-1)$
  • $(x+1)(x-p^2)$
  • $(x-p)(x+p)$
  • $(x-p)^2$

Classifier: Contains the AU spelling "Factorise", which requires conversion to the US spelling "Factorize".

Verifier: The text contains "Factorise", which is the AU/British spelling. US spelling is "Factorize".

zUQlsrEjInHACYp3RQaF Localize Spelling (AU-US)
Multiple Choice
Factorise $2 x^3 - 6 x^2 - 10 x + 30$.
Hint: Use the Rational Root Theorem.
Options:
  • $(2x+6)(3x+\sqrt{5})(3x-\sqrt{5})$
  • $(2x-6)(x+\sqrt{5})(x-\sqrt{5})$
  • $(2x-6)(x+2\sqrt{5})(x-2\sqrt{5})$
  • $(2x+6)(x+\sqrt{5})(x-\sqrt{5})$
Multiple Choice
Factor $2 x^3 - 6 x^2 - 10 x + 30$.
Hint: Use the Rational Root Theorem.
Options:
  • $(2x+6)(3x+\sqrt{5})(3x-\sqrt{5})$
  • $(2x-6)(x+\sqrt{5})(x-\sqrt{5})$
  • $(2x-6)(x+2\sqrt{5})(x-2\sqrt{5})$
  • $(2x+6)(x+\sqrt{5})(x-\sqrt{5})$

Classifier: Contains the AU/UK spelling "Factorise", which needs to be converted to the US spelling "Factorize".

Verifier: Contains "Factorise", which is the AU/UK spelling. US spelling is "Factorize".

zxqMyvS2P5ktVXvbwHTj Localize Units (simple)
Multiple Choice
A rectangular garden has an area of $120$ m$^2$ and a perimeter of $52$ m, with length $𝑙$ metres and width $𝑤$ metres. Which of the following pairs represents the correct values of $𝑙$ and $𝑤$ ?
Options:
  • $l = 30$ m, $w = 4$ m
  • $l = 10$ m, $w = 12$ m
  • $l = 20$ m, $w = 6$ m
  • $l = 15$ m, $w = 11$ m
Multiple Choice
A rectangular garden has an area of $120$ ft$^2$ and a perimeter of $52$ ft, with length $𝑙$ feet and width $𝑤$ feet. Which of the following pairs represents the correct values of $𝑙$ and $𝑤$ ?
Options:
  • $l = 30$ ft, $w = 4$ ft
  • $l = 10$ ft, $w = 12$ ft
  • $l = 20$ ft, $w = 6$ ft
  • $l = 15$ ft, $w = 11$ ft

Classifier: The text contains metric units (m, m^2) and the AU spelling "metres". Per decision rules, any metric unit requires at least RED.units_simple_conversion, which takes precedence over spelling.

Verifier: The text contains metric units (m, m^2) and the AU spelling "metres". Per decision rules, metric units require RED.units_simple_conversion.

01JVJ695805K9000YX5A1KY6QQ Localize Units (simple)
Question
A rectangular park is $120$ m long and $50$ m wide. A person walks along the length, then the width, and returns along the diagonal path. What is the total distance walked, to the nearest metre?
Answer:
  • 300
Question
A rectangular park is $120$ ft long and $50$ ft wide. A person walks along the length, then the width, and returns along the diagonal path. What is the total distance walked, to the nearest foot?
Answer:
  • 300

Classifier: The text contains metric units ("m") and the AU spelling of "metre". Per the decision rules, any metric unit requires at least RED.units_simple_conversion.

Verifier: The text contains metric units ("m") and the AU spelling "metre". Per rule 3 and 5, this requires RED.units_simple_conversion.

01JVJ695814BRSN1V380M72Y1E Localize Units (simple)
Question
A $17$-metre ladder leans against a vertical wall, with its top $15$ metres above the ground. The foot is then pulled $7$ metres farther from the wall. How many metres does the top of the ladder slide down the wall?
Answer:
  • 7
Question
A $17$-foot ladder leans against a vertical wall, with its top $15$ feet above the ground. The foot is then pulled $7$ feet farther from the wall. How many feet does the top of the ladder slide down the wall?
Answer:
  • 7

Classifier: The text contains metric units ("metres", "m") and the AU spelling "metre". This requires conversion to US customary units or at least spelling localization, but units conversion is the higher priority category.

Verifier: The text contains metric units ("metres", "m") and the AU spelling "metre". This requires conversion to US customary units.

01JW7X7K5CBTFC10WE5ZFBDGTS Localize Spelling (AU-US)
Multiple Choice
The longer hand on an analogue clock is the $\fbox{\phantom{4000000000}}$ hand.
Options:
  • second
  • day
  • minute
  • hour
Multiple Choice
The longer hand on an analog clock is the $\fbox{\phantom{4000000000}}$ hand.
Options:
  • second
  • day
  • minute
  • hour

Classifier: Contains the AU spelling "analogue", which must be converted to the US spelling "analog".

Verifier: Contains "analogue", which is the AU/UK spelling. US spelling is "analog".

01JW7X7K5GMJ8N9TKK48R8YA24 Localize Terminology
Multiple Choice
A surd is an $\fbox{\phantom{4000000000}}$ number.
Options:
  • rational
  • irrational
  • real
  • complex
Multiple Choice
A radical is an $\fbox{\phantom{4000000000}}$ number.
Options:
  • rational
  • irrational
  • real
  • complex

Classifier: The term "surd" is standard in AU/UK curriculum but is rarely used in US K-12 education, where "radical" or "irrational square root" is preferred.

Verifier: The term "surd" is a specific AU/UK curriculum term; US curriculum typically uses "radical" or "irrational square root".

01JW7X7K5ZN071CEJH7VBHXC1Q Localize Terminology
Multiple Choice
Pythagoras' $\fbox{\phantom{4000000000}}$ relates the sides of a right-angled triangle.
Options:
  • theorem
  • formula
  • equation
  • rule
Multiple Choice
Pythagorean $\fbox{\phantom{4000000000}}$ relates the sides of a right triangle.
Options:
  • theorem
  • formula
  • equation
  • rule

Classifier: The text contains the term "right-angled triangle", which is the standard AU term. The US equivalent is "right triangle".

Verifier: The term "right-angled triangle" is the standard AU term; the US equivalent is "right triangle".

01JW7X7K63W4RR67C3HKJZ2FA5 Localize Spelling (AU-US)
Multiple Choice
Index laws are used to $\fbox{\phantom{4000000000}}$ expressions with exponents.
Options:
  • complicate
  • factorise
  • expand
  • simplify
Multiple Choice
Exponent rules are used to $\fbox{\phantom{4000000000}}$ expressions with exponents.
Options:
  • complicate
  • factor
  • expand
  • simplify

Classifier: The answer choice "factorise" uses the AU/UK 's' spelling, which requires conversion to the US 'z' spelling ("factorize").

Verifier: The answer choice "factorise" uses the AU/UK 's' spelling, which requires localization to the US 'z' spelling ("factorize").

01JW7X7K6KRP4T964WNGTB7APF Localize Spelling (AU-US)
Multiple Choice
Mutual exclusivity and independence are distinct $\fbox{\phantom{4000000000}}$ in probability.
Options:
  • calculations
  • concepts
  • formulae
  • theorems
Multiple Choice
Mutual exclusivity and independence are distinct $\fbox{\phantom{4000000000}}$ in probability.
Options:
  • calculations
  • concepts
  • formulas
  • theorems

Classifier: The answer set contains the word "formulae", which is the preferred AU/UK plural. In US English, "formulas" is the standard spelling.

Verifier: The answer set contains "formulae", which is the AU/UK plural form. US English standardly uses "formulas".

01JW7X7K6HH1ZDN4PK4HSGFVD4 Localize Terminology
Multiple Choice
In a $\fbox{\phantom{4000000000}}$, the bars have no gaps between them to show that the data is continuous.
Options:
  • bar graph
  • pie chart
  • column graph
  • histogram
Multiple Choice
In a $\fbox{\phantom{4000000000}}$, the bars have no gaps between them to show that the data is continuous.
Options:
  • bar graph
  • pie chart
  • bar chart
  • histogram

Classifier: Similar to Group 4, "column graph" is an AU-specific term for a bar graph. The presence of "column graph" in the answer set requires localization to "bar graph" to match US conventions.

Verifier: The presence of "column graph" in the answer set as a distractor/option requires localization to "bar graph" to align with US terminology conventions.

01JW7X7K5FD5VC39QYG08YD23N Localize Terminology
Multiple Choice
$\fbox{\phantom{4000000000}}$ form is a way of writing a linear equation that shows the gradient and $y$-intercept.
Options:
  • Intercept
  • Point-slope
  • Gradient
  • Standard
Multiple Choice
$\fbox{\phantom{4000000000}}$ form is a way of writing a linear equation that shows the slope and $y$-intercept.
Options:
  • Intercept
  • Point-slope
  • Slope-intercept
  • Standard

Classifier: The text uses the term "gradient", which is the standard AU/UK term for what is called "slope" in US mathematics.

Verifier: The text uses "gradient", which is the standard AU/UK term for "slope" in US mathematics.

01JW7X7K6G7C185R51YHJ9J9XN Localize Terminology
Multiple Choice
Column graphs are used for $\fbox{\phantom{4000000000}}$ data, while histograms are used for continuous data.
Options:
  • discrete
  • categorical
  • continuous
  • numerical
Multiple Choice
Bar graphs are used for $\fbox{\phantom{4000000000}}$ data, while histograms are used for continuous data.
Options:
  • discrete
  • categorical
  • continuous
  • numerical

Classifier: The term "Column graphs" is the standard AU term for what is almost exclusively called a "Bar graph" in US K-12 education, especially when contrasted with histograms. While "column graph" is understood, "bar graph" is the required localization for US school context.

Verifier: The term "Column graphs" is the standard AU term for what is called a "Bar graph" in US K-12 education. This requires localization for the US school context.

01JW7X7K5JJHHWPHGKJPYEJ1VZ Localize Spelling (AU-US)
Multiple Choice
Polynomial long division can be used to $\fbox{\phantom{4000000000}}$ polynomials.
Options:
  • multiply
  • factorise
  • add
  • subtract
Multiple Choice
Polynomial long division can be used to $\fbox{\phantom{4000000000}}$ polynomials.
Options:
  • multiply
  • factor
  • add
  • subtract

Classifier: Contains the AU spelling "factorise", which requires conversion to the US spelling "factorize".

Verifier: The answer choice contains "factorise", which is the AU spelling of the US "factorize".

01JW7X7K69MM7TCW7AX8PPF7QQ Localize Units (simple)
Multiple Choice
Area is measured in $\fbox{\phantom{4000000000}}$ units, such as square centimetres or square metres.
Options:
  • linear
  • squared
  • cubed
  • derived
Multiple Choice
Area is measured in $\fbox{\phantom{4000000000}}$ units, such as square inches or square feet.
Options:
  • linear
  • squared
  • cubed
  • derived

Classifier: The text contains metric units ("centimetres", "metres") which require conversion to US customary units. These also contain AU-specific spellings ("metres" vs "meters"). Per rule 6, units conversion takes precedence over spelling.

Verifier: The text contains metric units "centimetres" and "metres", which require conversion to US customary units. These also use AU/British spelling. Per rule 5, units conversion takes precedence over spelling.

01JW7X7K5B33YQDM3TCY5AEVFP Localize Spelling (AU-US)
Multiple Choice
The shorter hand on an analogue clock is the $\fbox{\phantom{4000000000}}$ hand.
Options:
  • second
  • minute
  • hour
  • day
Multiple Choice
The shorter hand on an analog clock is the $\fbox{\phantom{4000000000}}$ hand.
Options:
  • second
  • minute
  • hour
  • day

Classifier: Contains the AU spelling "analogue", which must be converted to the US spelling "analog".

Verifier: Contains "analogue", which is the AU/UK spelling. US spelling is "analog".

01JW7X7K65M8G3RHZVRF0GGJBM Localize Units (simple)
Multiple Choice
The metric system uses units like metres, litres, and $\fbox{\phantom{4000000000}}$
Options:
  • kilograms
  • gallons
  • pounds
  • ounces
Multiple Choice
The US customary system uses units like feet, gallons, and $\fbox{\phantom{4000000000}}$
Options:
  • pounds
  • meters
  • kilograms
  • liters

Classifier: The text explicitly mentions metric units ("metres", "litres", "kilograms") and uses AU-specific spellings for them ("metres", "litres"). This requires both spelling correction and potentially a shift in focus for a US audience, though the category is driven by the presence of metric units and AU spelling.

Verifier: The text contains metric units ("metres", "litres", "kilograms") and uses AU-specific spellings ("metres", "litres"). This requires localization.

01JW7X7K5WA4AD1WXASQHZAHWN Localize Terminology
Multiple Choice
$\fbox{\phantom{4000000000}}$ tests, such as SSS, SAS, and ASA, are used to determine if two triangles are the same.
Options:
  • Congruency
  • Proportionality
  • Equivalence
  • Similarity
Multiple Choice
$\fbox{\phantom{4000000000}}$ tests, such as SSS, SAS, and ASA, are used to determine if two triangles are the same.
Options:
  • Congruence
  • Proportionality
  • Equivalence
  • Similarity

Classifier: The term "Congruency" is used in the answer set. In US curriculum standards (CCSS), the preferred term is "Congruence". Additionally, "tests" for congruence are more commonly referred to as "criteria" or "postulates/theorems" in the US, though "Congruency" is the primary trigger for localization here.

Verifier: The term "Congruency" and the use of "tests" for congruence (SSS, SAS, ASA) are characteristic of AU/UK curricula. In the US, "Congruence" is the standard noun, and these are typically called "criteria", "postulates", or "theorems".

01JW7X7K5MGCGKBP69XFVSB3J4 Localize Terminology
Multiple Choice
A $\fbox{\phantom{4000000000}}$ decimal has an infinite number of digits after the decimal point.
Options:
  • recurring
  • non-terminating
  • terminating
  • repeating
Multiple Choice
A $\fbox{\phantom{4000000000}}$ decimal has an infinite number of digits after the decimal point.
Options:
  • repeating
  • non-terminating
  • terminating
  • repeating

Classifier: While "non-terminating" is neutral, "recurring decimal" is the primary AU term, whereas "repeating decimal" is the standard US term. Since "recurring" is an answer choice, it signals AU-centric terminology.

Verifier: The term "recurring decimal" is standard in AU/UK pedagogy, whereas "repeating decimal" is the standard US term.

01JW7X7K5NM7BDWTF7Q91RW8YJ Localize Spelling (AU-US)
Multiple Choice
Equations can be $\fbox{\phantom{4000000000}}$, while expressions can be simplified or evaluated.
Options:
  • solved
  • expanded
  • simplified
  • factorised
Multiple Choice
Equations can be $\fbox{\phantom{4000000000}}$, while expressions can be simplified or evaluated.
Options:
  • solved
  • expanded
  • simplified
  • factored

Classifier: Contains the AU spelling "factorised" in the answer set, which requires conversion to "factorized".

Verifier: The answer choice contains "factorised", which is the AU spelling of the US "factorized".

01JW7X7K58JZSZ2QR7GTVX5FWZ Localize Terminology
Multiple Choice
$\fbox{\phantom{4000000000}}$ are also referred to as exponents or powers.
Options:
  • Coefficients
  • Bases
  • Indices
  • Constants
Multiple Choice
$\fbox{\phantom{4000000000}}$ are also referred to as exponents or powers.
Options:
  • Coefficients
  • Bases
  • Exponents
  • Constants

Classifier: The term "Indices" is the standard AU/UK term for what is almost exclusively referred to as "Exponents" or "Powers" in US school mathematics. While "indices" is used in higher-level US math (e.g., index of a radical), in this context (synonym for exponents/powers), it is a distinct AU pedagogical term.

Verifier: The term "Indices" is the standard pedagogical term in Australia for what is called "Exponents" in the US. This is a clear terminology difference in a school context.

01JW7X7K5PF04FP0J216GF1FCD Localize Spelling (AU-US)
Multiple Choice
Expanding brackets is often a step in $\fbox{\phantom{4000000000}}$ algebraic expressions.
Options:
  • solving
  • factorising
  • evaluating
  • simplifying
Multiple Choice
Expanding parentheses is often a step in $\fbox{\phantom{4000000000}}$ algebraic expressions.
Options:
  • solving
  • factoring
  • evaluating
  • simplifying

Classifier: The answer choice "factorising" uses the AU 's' spelling and needs to be converted to the US 'z' spelling "factorizing".

Verifier: The answer choice "factorising" uses the AU/UK spelling (with 's'). US English requires "factorizing" (with 'z').

01JW7X7K6SSNRSTESM6785D339 Localize Spelling (AU-US)
Multiple Choice
Prime factorisation is the process of breaking down a composite number into its $\fbox{\phantom{4000000000}}$ factors.
Options:
  • largest
  • prime
  • composite
  • smallest
Multiple Choice
Prime factorization is the process of breaking down a composite number into its $\fbox{\phantom{4000000000}}$ factors.
Options:
  • largest
  • prime
  • composite
  • smallest

Classifier: The word "factorisation" uses the AU/UK 's' spelling. In US English, this must be "factorization".

Verifier: The word "factorisation" uses the AU/UK 's' spelling, which requires localization to "factorization" for a US audience.

01JW7X7K7W1MKRWGD86J7FQA1G Localize Spelling (AU-US)
Multiple Choice
A stem-and-$\fbox{\phantom{4000000000}}$ plot organises numerical data.
Options:
  • root
  • stem
  • leaf
  • branch
Multiple Choice
A stem-and-$\fbox{\phantom{4000000000}}$ plot organizes numerical data.
Options:
  • root
  • stem
  • leaf
  • branch

Classifier: The word "organises" uses the AU/UK 's' spelling instead of the US 'z' spelling ("organizes").

Verifier: The word "organises" is the AU/UK spelling; the US spelling is "organizes". Per rule 1, AU spelling requires RED classification.

01JW7X7K7BBS7EE39QG1H6GW1Z Localize Spelling (AU-US)
Multiple Choice
$\fbox{\phantom{4000000000}}$ is the process of writing an expression as a product of factors.
Options:
  • Solving
  • Factorising
  • Simplifying
  • Expanding
Multiple Choice
$\fbox{\phantom{4000000000}}$ is the process of writing an expression as a product of factors.
Options:
  • Solving
  • Factoring
  • Simplifying
  • Expanding

Classifier: The answer choice "Factorising" uses the AU/UK 's' spelling. In US English, this must be "Factorizing".

Verifier: The answer choice "Factorising" uses the AU/UK spelling (with an 's'). US English requires "Factorizing". This is a spelling-only change.

01JW7X7K88RGX4GB6TRFY1G144 Localize Terminology
Multiple Choice
How sharply a line rises or falls is called its $\fbox{\phantom{4000000000}}$
Options:
  • intercept
  • height
  • steepness
  • gradient
Multiple Choice
How sharply a line rises or falls is called its $\fbox{\phantom{4000000000}}$
Options:
  • intercept
  • height
  • steepness
  • slope

Classifier: The term "gradient" is the standard AU term for the steepness of a line, whereas "slope" is the standard US term. This requires localization to the US curriculum context.

Verifier: The term "gradient" is the standard AU term for the steepness of a line, whereas "slope" is the standard US term. This requires localization to the US curriculum context.

01JW7X7K8SS00PQFYF2XK6HX36 Localize Spelling (AU-US)
Multiple Choice
Multiplying terms inside brackets by terms outside is called $\fbox{\phantom{4000000000}}$
Options:
  • expanding
  • simplifying
  • evaluating
  • factorising
Multiple Choice
Multiplying terms inside parentheses by terms outside is called $\fbox{\phantom{4000000000}}$
Options:
  • expanding
  • simplifying
  • evaluating
  • factoring

Classifier: The answer set contains the AU spelling "factorising", which needs to be converted to the US spelling "factorizing".

Verifier: The answer set contains "factorising", which is the AU spelling. US English uses "factorizing". Per rule 1, AU spelling requires RED classification.

01JW7X7K8MYGN4CFFDJK5N9D84 Localize Answer set
Multiple Choice
A quadrilateral with two pairs of adjacent equal sides is called a $\fbox{\phantom{4000000000}}$
Options:
  • square
  • rectangle
  • trapezium
  • kite
Multiple Choice
A quadrilateral with two pairs of adjacent equal sides is called a $\fbox{\phantom{4000000000}}$
Options:
  • square
  • rectangle
  • trapezoid
  • kite

Classifier: The answer set contains the term "trapezium", which in the US refers to a quadrilateral with no parallel sides, whereas in AU/UK it refers to a quadrilateral with one pair of parallel sides (US: trapezoid). This requires localization for consistency.

Verifier: The term "trapezium" has conflicting definitions between AU/UK and US English. In AU, it is a quadrilateral with one pair of parallel sides (US: trapezoid). In the US, a trapezium is a quadrilateral with no parallel sides. This requires localization for consistency.

01JW7X7K8VE51B07V8VY7A509F Localize Terminology
Multiple Choice
The point where a parabola changes direction is its $\fbox{\phantom{4000000000}}$ point.
Options:
  • turning
  • stationary
  • critical
  • inflection
Multiple Choice
The point where a parabola changes direction is its $\fbox{\phantom{4000000000}}$ point.
Options:
  • vertex
  • stationary
  • critical
  • inflection

Classifier: The term "turning point" is standard AU/UK terminology for the vertex of a parabola. In US curriculum, "vertex" is the primary term used in this context.

Verifier: The primary classifier is correct. "Turning point" is the standard term in Australian and British curricula for the vertex of a parabola. In the US, "vertex" is the standard term. This requires terminology localization.

01JW7X7K9HN674TBB9CTRJDZZJ Localize Terminology
Multiple Choice
Rules for working with exponents are called $\fbox{\phantom{4000000000}}$ laws.
Options:
  • base
  • index
  • exponent
  • power
Multiple Choice
Rules for working with exponents are called $\fbox{\phantom{4000000000}}$ laws.
Options:
  • base
  • exponent
  • exponent
  • power

Classifier: The answer set includes "index", which in the context of "index laws" is the standard AU term for what the US calls "exponent rules" or "laws of exponents". While "exponent" is also an option, the presence of "index" as a distractor/alternative in an AU source often points to the need to ensure the US terminology (exponent) is prioritized or the AU term (index) is removed/replaced to avoid confusion.

Verifier: The presence of "index" as a distractor for "exponent" indicates an AU source context (Index Laws vs Laws of Exponents). In a US context, "index" is rarely used this way, and the question should be reviewed to ensure US terminology is prioritized.

01JW7X7KA3VZZ4BWT4E6AEDX1Z Localize Spelling (AU-US)
Multiple Choice
The direction of rotation can be described as either clockwise or $\fbox{\phantom{4000000000}}$
Options:
  • downwards
  • anticlockwise
  • left
  • upwards
Multiple Choice
The direction of rotation can be described as either clockwise or $\fbox{\phantom{4000000000}}$
Options:
  • downward
  • counterclockwise
  • left
  • upward

Classifier: Contains the AU/UK spelling "anticlockwise", which should be localized to "counterclockwise" for a US audience.

Verifier: The term "anticlockwise" is the standard AU/UK term, whereas "counterclockwise" is used in the US. This requires localization.

01JW7X7KA4X6S5TBJGTY0ZGXEG Localize Terminology
Multiple Choice
Recurring fractions can be converted to $\fbox{\phantom{4000000000}}$
Options:
  • whole numbers
  • decimals
  • percentages
  • mixed numbers
Multiple Choice
Repeating decimals can be converted to $\fbox{\phantom{4000000000}}$
Options:
  • whole numbers
  • fractions
  • percentages
  • mixed numbers

Classifier: The terms "Recurring fractions", "whole numbers", "decimals", "percentages", and "mixed numbers" are standard in both AU and US English. While "repeating decimals" is more common in the US, "recurring" is understood and not strictly an AU-only spelling or terminology error requiring a RED classification under these rules.

Verifier: The term "Recurring fractions" and "recurring" (in the context of decimals) is specific to AU/UK pedagogy. In the US, the standard terminology is "repeating decimals". While the classifier noted this, it incorrectly dismissed it as "understood"; under the provided rules, this terminology difference warrants a RED classification.

01JW7X7KA21X6QBZAXTA032SZA Localize Spelling (AU-US)
Multiple Choice
Identifying upcoming elements involves recognising the $\fbox{\phantom{4000000000}}$ in the pattern and applying it to determine subsequent terms.
Options:
  • numbers
  • digits
  • relationship
  • values
Multiple Choice
Identifying upcoming elements involves recognizing the $\fbox{\phantom{4000000000}}$ in the pattern and applying it to determine subsequent terms.
Options:
  • numbers
  • digits
  • relationship
  • values

Classifier: The word "recognising" uses the AU/UK 's' spelling and must be converted to the US 'z' spelling ("recognizing").

Verifier: The text contains "recognising", which is the AU/UK spelling. US English requires "recognizing".

01JW7X7KAM6MKQAHSA5034HEWW Localize Spelling (AU-US)
Multiple Choice
Conditional probability is used to analyse situations with $\fbox{\phantom{4000000000}}$ events.
Options:
  • dependent
  • combined
  • independent
  • mutually exclusive
Multiple Choice
Conditional probability is used to analyze situations with $\fbox{\phantom{4000000000}}$ events.
Options:
  • dependent
  • combined
  • independent
  • mutually exclusive

Classifier: Contains the AU spelling "analyse", which needs to be converted to the US spelling "analyze".

Verifier: The text contains "analyse", which is the AU/UK spelling. The US spelling is "analyze".

01JW7X7KB14FE3YRJHNTKE9GMR Localize Terminology
Multiple Choice
The largest shared factor of two numbers is called their highest common $\fbox{\phantom{4000000000}}$
Options:
  • prime
  • multiple
  • factor
  • divisor
Multiple Choice
The largest shared factor of two numbers is called their greatest common $\fbox{\phantom{4000000000}}$
Options:
  • prime
  • multiple
  • factor
  • divisor

Classifier: The term "highest common factor" (HCF) is standard in AU/UK, whereas the US typically uses "greatest common factor" (GCF).

Verifier: The term "highest common factor" (HCF) is standard in AU/UK, whereas the US typically uses "greatest common factor" (GCF).

01JW7X7KBEH9MP724EDZA5XY2N Localize Terminology
Multiple Choice
The turning point of a parabola is called its $\fbox{\phantom{4000000000}}$
Options:
  • vertex
  • $x$-intercept
  • origin
  • $y$-intercept
Multiple Choice
The vertex of a parabola is called its $\fbox{\phantom{4000000000}}$
Options:
  • vertex
  • $x$-intercept
  • origin
  • $y$-intercept

Classifier: The text uses the AU-specific term "turning point" to describe the vertex of a parabola. In US curriculum, "vertex" is the standard term used in this context.

Verifier: The term "turning point" is the standard Australian curriculum term for the vertex of a parabola, whereas "vertex" is the primary term in the US. This requires localization for terminology.

01K0RMP952AB1QWFAM1Y813FKF Localize Units (simple)
Multiple Choice
Convert $0.8$ cubic metres to litres.
Options:
  • $8000$ L
  • $8$ L
  • $800$ L
  • $80$ L
Multiple Choice
Convert $0.8$ cubic feet to gallons.
Options:
  • $8000$ gal
  • $8$ gal
  • $800$ gal
  • $80$ gal

Classifier: Contains metric units ("metres", "litres") and AU-specific spelling of those units. Requires conversion to US customary units or at least spelling correction, but per rules, any metric unit triggers units_simple_conversion.

Verifier: Contains metric units ("metres", "litres") and AU-specific spelling of those units. Per rule 3, any metric unit triggers at least RED.units_simple_conversion.

01JW7X7KAP7E231Q506EBKZ119 Localize Units (simple)
Multiple Choice
Square metres and square centimetres represent units of $\fbox{\phantom{4000000000}}$
Options:
  • volume
  • area
  • length
  • perimeter
Multiple Choice
Square feet and square inches represent units of $\fbox{\phantom{4000000000}}$
Options:
  • volume
  • area
  • length
  • perimeter

Classifier: The text contains metric units ("metres", "centimetres") and AU spelling ("metres", "centimetres" vs US "meters", "centimeters"). Per rule 6, units conversion is the most impactful change.

Verifier: The text contains metric units ("metres", "centimetres") which require conversion to US customary units. The spelling is also AU-specific.

01JW7X7KAYRZV0Z317PY4XMBEE Localize Terminology
Multiple Choice
Triangles can be classified by their sides (equilateral, isosceles, $\fbox{\phantom{4000000000}}$ ) or angles (acute, obtuse, right-angled).
Options:
  • different
  • scalene
  • congruent
  • similar
Multiple Choice
Triangles can be classified by their sides (equilateral, isosceles, $\fbox{\phantom{4000000000}}$ ) or angles (acute, obtuse, right).
Options:
  • different
  • scalene
  • congruent
  • similar

Classifier: Contains the AU-specific term "right-angled", which should be localized to "right" (as in "right triangle") for a US audience.

Verifier: Contains the AU-specific term "right-angled", which should be localized to "right" (as in "right triangle") for a US audience.

01K0RMP953G0C2PWYEQQHRE9ME Localize Units (simple)
Multiple Choice
Water is flowing at a rate of $300$ millilitres per second. How many litres flow in one minute?
Options:
  • $180$ L
  • $18$ L
  • $1.8$ L
  • $1800$ L
Multiple Choice
Water is flowing at a rate of $300$ fluid ounces per second. How many gallons flow in one minute?
Options:
  • $180$ gal
  • $18$ gal
  • $1.8$ gal
  • $1800$ gal

Classifier: Contains metric units ("millilitres", "litres") and AU spelling ("litres").

Verifier: Contains metric units ("millilitres", "litres") and AU spelling ("litres").

01K0RMSP8M5VW62QS7MFVDRX90 Localize Units (simple)
Multiple Choice
A sphere has a surface area of $100\pi$ m$^2$. What is its diameter?
Options:
  • $10$ m
  • $25$ m
  • $20$ m
  • $5$ m
Multiple Choice
A sphere has a surface area of $100\pi$ ft$^2$. What is its diameter?
Options:
  • $10$ ft
  • $25$ ft
  • $20$ ft
  • $5$ ft

Classifier: The text contains the metric unit "m" (metres) and "m^2" (square metres), which requires conversion to US customary units (e.g., feet/inches) or at least triggers the units classification.

Verifier: The text contains the metric unit "m" (metres) and "m^2", which requires conversion for US localization.

01K0RMSP8PKNEPZ5ZK3711DFFJ Localize Units (simple)
Multiple Choice
A sphere has a volume of $288\pi$ cm$^3$. What is its surface area?
Options:
  • $144\pi$ cm$^2$
  • $288\pi$ cm$^2$
  • $72\pi$ cm$^2$
  • $36\pi$ cm$^2$
Multiple Choice
A sphere has a volume of $288\pi$ in$^3$. What is its surface area?
Options:
  • $144\pi$ in$^2$
  • $288\pi$ in$^2$
  • $72\pi$ in$^2$
  • $36\pi$ in$^2$

Classifier: The text contains the metric unit "cm^3" and "cm^2", which requires localization for a US audience.

Verifier: The text contains metric units "cm^3" and "cm^2", requiring conversion.

01K0RMVPQE919RNF1GQGZ27K80 Localize Units (simple)
Question
Calculate the surface area of a sphere with a radius of $10$ m to the nearest square metre.
Answer:
  • 1257
Question
Calculate the surface area of a sphere with a radius of $10$ ft to the nearest square foot.
Answer:
  • 1257

Classifier: Contains both a metric unit ("m") and AU-specific spelling ("metre"). Per decision rules, units conversion takes precedence over spelling.

Verifier: The text contains the metric unit "m" and the AU spelling "metre". Per rule 5, units conversion takes precedence over spelling.

01K0RMSP9Z6P7HSBAMHZD8Z5VF Localize Units (simple)
Question
A rectangular prism has a length of $x$ cm, a width of $5$ cm, and a height of $8$ cm. Its total surface area is $292$ cm$^2$. Find the value of $x$ to two decimal places.
Answer:
  • 8.15
Question
A rectangular prism has a length of $x$ in, a width of $5$ in, and a height of $8$ in. Its total surface area is $292$ in$^2$. Find the value of $x$ to two decimal places.
Answer:
  • 8.15

Classifier: The text contains the metric unit "cm" multiple times, which requires localization to US customary units or a decision on metric usage in US curriculum.

Verifier: The text contains the metric unit "cm" and "cm^2". This requires simple unit conversion for the US locale.

01K0RMVPQKZ11RFSTHXPNE0EG8 Localize Units (simple)
Question
The surface area of a sphere is $36\pi$ cm$^2$. What is its radius?
Answer:
  • 3
Question
The surface area of a sphere is $36\pi$ in$^2$. What is its radius?
Answer:
  • 3

Classifier: Contains the metric unit "cm".

Verifier: The text contains the metric unit "cm" and "cm^2".

01K0RMVPQGMF8BVHVNQ0Y04ZRE Localize Units (simple)
Question
Find the surface area of a sphere with a radius of $2$ m to two decimal places.
Answer:
  • 50.27
Question
Find the surface area of a sphere with a radius of $2$ ft to two decimal places.
Answer:
  • 50.27

Classifier: Contains the metric unit "m".

Verifier: The text contains the metric unit "m" and "m^2".

01K0RMVPQFKJE8HG1097BT29E4 Localize Units (simple)
Question
The radius of a spherical asteroid is $10$ km. Find its surface area in terms of $\pi$.
Answer:
  • (400\cdot{\pi})
Question
The radius of a spherical asteroid is $10$ mi. Find its surface area in terms of $\pi$.
Answer:
  • (400\cdot{\pi})

Classifier: Contains the metric unit "km".

Verifier: The text contains the metric unit "km" and "km^2".

01K0RMVPQJ4GN170W59MPJ5VED Localize Units (simple)
Question
The diameter of a sphere is $20$ mm. Find its surface area in terms of $\pi$.
Answer:
  • 400{\pi}
Question
The diameter of a sphere is $20$ in. Find its surface area in terms of $\pi$.
Answer:
  • 400{\pi}

Classifier: Contains the metric unit "mm".

Verifier: The text contains the metric unit "mm" and "mm^2".

01K0RMSP9EG4ZJ97A7ZKGPG4G2 Localize Units (simple)
Multiple Choice
The volume of a sphere is $288\pi$ cm$^3$. What is its radius?
Options:
  • $9$ cm
  • $8$ cm
  • $6$ cm
  • $3$ cm
Multiple Choice
The volume of a sphere is $288\pi$ in$^3$. What is its radius?
Options:
  • $9$ in
  • $8$ in
  • $6$ in
  • $3$ in

Classifier: The text contains the metric unit "cm" and "cm^3".

Verifier: The text contains metric units "cm" and "cm^3", requiring conversion.

01K0RMVPQHK6C8SBY89BG4TGTS Localize Units (simple)
Question
A spherical ball has a radius of $1$ m. What is its surface area in terms of $\pi$?
Answer:
  • 4{\pi}
Question
A spherical ball has a radius of $1$ ft. What is its surface area in terms of $\pi$?
Answer:
  • 4{\pi}

Classifier: Contains the metric unit "m".

Verifier: The text contains the metric unit "m" and "m^2".

01K0RMSP9F5XGT368F8RZVX30Q Localize Units (simple)
Multiple Choice
A solid metal sphere of radius $9$ cm is melted down and recast into smaller solid spheres of radius $1$ cm. How many smaller spheres can be made?
Options:
  • $729$
  • $81$
  • $243$
  • $2187$
Multiple Choice
A solid metal sphere of radius $9$ in is melted down and recast into smaller solid spheres of radius $1$ in. How many smaller spheres can be made?
Options:
  • $729$
  • $81$
  • $243$
  • $2187$

Classifier: The text contains the metric unit "cm". Even though the final answer is a dimensionless ratio, the presence of metric units in the prompt requires localization.

Verifier: The text contains the metric unit "cm". Even though the final answer is a ratio, the presence of metric units in the prompt triggers the requirement for localization.

01K0RMSP9237E8RHBY3MGPKG1M Localize Units (simple)
Multiple Choice
An ice cream cone has a height of $10$ cm and a diameter of $6$ cm. Find the volume of the cone to the nearest cubic centimetre.
Options:
  • $94$ cm$^3$
  • $283$ cm$^3$
  • $38$ cm$^3$
  • $314$ cm$^3$
Multiple Choice
An ice cream cone has a height of $10$ in and a diameter of $6$ in. Find the volume of the cone to the nearest cubic inch.
Options:
  • $94$ in$^3$
  • $283$ in$^3$
  • $38$ in$^3$
  • $314$ in$^3$

Classifier: The text contains metric units "cm" and the word "centimetre". Note that "centimetre" also contains AU spelling (re vs er), but units conversion is the higher priority classification.

Verifier: The text contains metric units "cm" and the word "centimetre" (which also uses AU spelling). Units conversion is the primary reason for RED.

01K0RMVPR3EBMKY6QF4A0XTKXB Localize Units (simple)
Question
Find the total surface area of a cone with a perpendicular height of $4$ cm and a diameter of $6$ cm to one decimal place.
Answer:
  • 75.4
Question
Find the total surface area of a cone with a perpendicular height of $4$ in and a diameter of $6$ in to one decimal place.
Answer:
  • 75.4

Classifier: The text contains metric units ("cm" and "cm$^2$"), which require conversion to US customary units.

Verifier: The text contains metric units "cm" and "cm^2", which require conversion to US customary units.

01K0RMVPQMN50B6WC4PQA028B7 Localize Units (simple)
Question
Calculate the surface area of a sphere with a radius of $3.5$ cm to the nearest square centimetre.
Answer:
  • 154
Question
Calculate the surface area of a sphere with a radius of $3.5$ in to the nearest square inch.
Answer:
  • 154

Classifier: Contains metric units ("cm") and AU-specific spelling ("centimetre"). Units conversion is the primary classification.

Verifier: The text contains the metric unit "cm" and the AU spelling "centimetre". Units conversion takes precedence.

01K0RMVPQN9VZSHC01VX6MRY4V Localize Units (simple)
Question
Find the surface area of the curved part of a hemisphere with a diameter of $12$ cm.
Answer:
  • 72{\pi}
Question
Find the surface area of the curved part of a hemisphere with a diameter of $12$ in.
Answer:
  • 72{\pi}

Classifier: Contains the metric unit "cm".

Verifier: The text contains the metric unit "cm" and "cm^2".

01K0RMVPQP1NEEZK8PKV8ZKPW7 Localize Units (simple)
Question
The surface area of a sphere is approximately $616$ cm$^2$. Find the radius of the sphere to the nearest centimetre.
Answer:
  • 7
Question
The surface area of a sphere is approximately $616$ in$^2$. Find the radius of the sphere to the nearest inch.
Answer:
  • 7

Classifier: The text contains metric units ("cm") and the AU spelling of a metric unit ("centimetre"), which requires conversion to US customary units and US spelling ("centimeter").

Verifier: The text contains metric units ("cm", "cm^2") and the AU spelling "centimetre", both of which require localization to US customary units and US spelling ("centimeter").

01K0RMVPR12F2894S9MCA23SKW Localize Units (simple)
Question
The total surface area of a cone is $90\pi$ cm$^2$. If its radius is $5$ cm, what is its slant height?
Answer:
  • 13
Question
The total surface area of a cone is $90\pi$ in$^2$. If its radius is $5$ in, what is its slant height?
Answer:
  • 13

Classifier: The text contains metric units ("cm$^2$" and "cm"), which require conversion to US customary units.

Verifier: The text contains metric units "cm^2" and "cm", which require conversion to US customary units.

01K0RMVPQTCMTPFNP2Z9N97058 Localize Units (simple)
Question
The total surface area of a hemisphere is $75\pi$ m$^2$. What is the radius of the hemisphere?
Answer:
  • 5
Question
The total surface area of a hemisphere is $75\pi$ ft$^2$. What is the radius of the hemisphere?
Answer:
  • 5

Classifier: The text contains metric units ("m$^2$" and "m"), which require conversion to US customary units.

Verifier: The text contains metric units "m^2" and "m", which require conversion to US customary units.

01K0RMVPRAPRXRPS145GN2PQ4Z Localize Units (simple)
Question
The area of the circular base of a cone is $20$ m$^2$ and its height is $9$ m. Find the volume of the cone to the nearest cubic metre.
Answer:
  • 60
Question
The area of the circular base of a cone is $20$ ft$^2$ and its height is $9$ ft. Find the volume of the cone to the nearest cubic foot.
Answer:
  • 60

Classifier: The text contains metric units ("m", "m$^2$") and the AU spelling "metre".

Verifier: The text contains metric units ("m", "m$^2$") and the AU spelling "metre".

01K0RMVPR8YJEWXTSVH2QFPATS Localize Units (simple)
Question
A cone has a total surface area of $36\pi$ m$^2$. The sum of its radius and slant height is $12$ m. Find the radius of the cone.
Answer:
  • 3
Question
A cone has a total surface area of $36\pi$ ft$^2$. The sum of its radius and slant height is $12$ ft. Find the radius of the cone.
Answer:
  • 3

Classifier: The text contains the metric unit "m", which requires conversion to US customary units.

Verifier: The text contains metric units "m^2" and "m", which require conversion to US customary units.

01K0RMVPRFB8V1PFCB2BCKDD0H Localize Units (simple)
Question
The circumference of the base of a cone is $10\pi$ cm and its height is $9$ cm. Find the volume of the cone in terms of $\pi$.
Answer:
  • 75{\pi}
Question
The circumference of the base of a cone is $10\pi$ in and its height is $9$ in. Find the volume of the cone in terms of $\pi$.
Answer:
  • 75{\pi}

Classifier: The text contains the metric unit "cm".

Verifier: The text contains the metric unit "cm" and "cm$^3$".

01K0RMVPRB7XRXSZJ3ZWH0B1S1 Localize Units (simple)
Question
Find the volume, in exact form, of a cone with a radius of $2$ cm and a height of $3$ cm.
Answer:
  • 4{\pi}
Question
Find the volume, in exact form, of a cone with a radius of $2$ in and a height of $3$ in.
Answer:
  • 4{\pi}

Classifier: The text contains the metric unit "cm". Any metric unit triggers this classification.

Verifier: The text contains the metric unit "cm". Any metric unit triggers this classification.

01K0RMVPR4SKX4R1C91RVX8S9J Localize Units (simple)
Question
An open-topped cone has a radius of $1.5$ m and a slant height of $4$ m. What is the area of the material used to make the cone, in terms of $\pi$?
Answer:
  • 6{\pi}
Question
An open-topped cone has a radius of $1.5$ ft and a slant height of $4$ ft. What is the area of the material used to make the cone, in terms of $\pi$?
Answer:
  • 6{\pi}

Classifier: The text contains metric units ("m" and "m$^2$"), which require conversion to US customary units.

Verifier: The text contains metric units "m" and "m^2", which require conversion to US customary units.

01K0RMVPRB7XRXSZJ4007T8427 Localize Units (simple)
Question
A cone has a height of $5$ mm and a radius of $3$ mm. Calculate its volume to one decimal place.
Answer:
  • 47.1
Question
A cone has a height of $5$ in and a radius of $3$ in. Calculate its volume to one decimal place.
Answer:
  • 47.1

Classifier: The text contains the metric unit "mm".

Verifier: The text contains the metric unit "mm" in both the content and the suffix.

01K0RMVPQX6G4T56JB8898KBGF Localize Units (simple)
Question
Calculate the total surface area of a cone with a radius of $10$ m and a slant height of $15$ m.
Answer:
  • 785
Question
Calculate the total surface area of a cone with a radius of $10$ ft and a slant height of $15$ ft.
Answer:
  • 785

Classifier: The text contains metric units ("m" and "m$^2$"), which require conversion to US customary units.

Verifier: The text contains metric units "m" and "m^2", which require conversion to US customary units.

01K0RMVPR6KJZ3JGTQXCMR1B08 Localize Units (simple)
Question
In a cone, the perpendicular height is equal to the radius. If the total surface area is $16\pi(1+\sqrt{2})$ cm$^2$, find the radius.
Answer:
  • 4
Question
In a cone, the perpendicular height is equal to the radius. If the total surface area is $16\pi(1+\sqrt{2})$ in$^2$, find the radius.
Answer:
  • 4

Classifier: The text contains metric units ("cm$^2$" and "cm"), which require conversion to US customary units.

Verifier: The text contains metric units "cm^2" and "cm", which require conversion to US customary units.

01K0RMVPRGA2307YQE7YE88AR6 Localize Units (simple)
Question
The height of a cone is equal to its radius. If the volume of the cone is $9\pi$ cm$^3$, find its height.
Answer:
  • 3
Question
The height of a cone is equal to its radius. If the volume of the cone is $9\pi$ in$^3$, find its height.
Answer:
  • 3

Classifier: The text contains the metric unit "cm".

Verifier: The text contains the metric unit "cm" and "cm$^3$".

01K0RMVPQQ2P59EJKS0EQS07K2 Localize Units (simple)
Question
The volume of a sphere is $\frac{4}{3}\pi$ m$^3$. What is its total surface area?
Answer:
  • 4{\pi}
Question
The volume of a sphere is $\frac{4}{3}\pi$ ft$^3$. What is its total surface area?
Answer:
  • 4{\pi}

Classifier: The text contains metric units ("m$^3$" and "m$^2$"), which require conversion to US customary units.

Verifier: The text contains metric units "m^3" and "m^2", which require conversion to US customary units.

01K0RMVPR9QMJ3CZQNN6NE43QS Localize Units (simple)
Question
Calculate the volume of a cone with a radius of $5$ m and a height of $6$ m to the nearest cubic metre.
Answer:
  • 157
Question
Calculate the volume of a cone with a radius of $5$ ft and a height of $6$ ft to the nearest cubic foot.
Answer:
  • 157

Classifier: The text contains the metric unit "m" (metres) and the AU-specific spelling "metre". According to the decision rules, any metric unit requires at least RED.units_simple_conversion.

Verifier: The text contains the metric unit "m" (metres) and the AU-specific spelling "metre". According to the decision rules, any metric unit requires at least RED.units_simple_conversion.

01K0RMVPRDEAWHTPJ51ZMWF4NN Localize Units (simple)
Question
The volume of a cone is $75\pi$ cm$^3$. If its radius is $5$ cm, what is its perpendicular height?
Answer:
  • 9
Question
The volume of a cone is $75\pi$ in$^3$. If its radius is $5$ in, what is its perpendicular height?
Answer:
  • 9

Classifier: The text contains the metric unit "cm".

Verifier: The text contains the metric unit "cm" and "cm$^3$".

01K0RMVPRFB8V1PFCB2DY4DRXJ Localize Units (simple)
Question
A cone has a diameter of $16$ m and a slant height of $17$ m. Find its volume in terms of $\pi$.
Answer:
  • 320{\pi}
Question
A cone has a diameter of $16$ ft and a slant height of $17$ ft. Find its volume in terms of $\pi$.
Answer:
  • 320{\pi}

Classifier: The text contains the metric unit "m".

Verifier: The text contains the metric unit "m" and "m$^3$".

01K0RMVPREWXHJY6H3D39NV728 Localize Units (simple)
Question
A cone has a height of $8.2$ m and a radius of $4.5$ m. Calculate its volume, correct to two decimal places.
Answer:
  • 173.89
Question
A cone has a height of $8.2$ ft and a radius of $4.5$ ft. Calculate its volume, correct to two decimal places.
Answer:
  • 173.89

Classifier: The text contains the metric unit "m".

Verifier: The text contains the metric unit "m" and "m$^3$".

01K0RMVPRK15PNF7HSBVKF6PF4 Localize Units (simple)
Question
A cube with side length $3$ cm is placed centrally on top of a larger cube with side length $5$ cm. Find the total exposed surface area.
Answer:
  • 186
Question
A cube with side length $3$ in is placed centrally on top of a larger cube with side length $5$ in. Find the total exposed surface area.
Answer:
  • 186

Classifier: The text contains metric units ("cm" and "cm$^2$") which require conversion to US customary units.

Verifier: The text contains metric units "cm" and "cm$^2$" which require conversion to US customary units.

01K0RMVPRNRF4GKQ263NZF47VY Localize Units (simple)
Question
A solid is made by joining two cubes of side length $10$ cm along one full face. What is the total surface area of the resulting solid?
Answer:
  • 1000
Question
A solid is made by joining two cubes of side length $10$ in along one full face. What is the total surface area of the resulting solid?
Answer:
  • 1000

Classifier: The text contains metric units ("cm" and "cm$^2$") which require conversion to US customary units.

Verifier: The text contains metric units "cm" and "cm$^2$" which require conversion to US customary units.

01K0RMVPS0W98A89QNH7WTDY24 Localize Units (simple)
Question
A sphere has a diameter of $100$ cm. What is its radius?
Answer:
  • 50
Question
A sphere has a diameter of $100$ in. What is its radius?
Answer:
  • 50

Classifier: The text contains metric units ("cm") which require conversion to US customary units.

Verifier: The text contains the metric unit "cm" which requires conversion to US customary units.

01K0RMVPRY7MFC2FHQXG4TX8SS Localize Units (simple)
Question
A sphere has a radius of $3$ cm. Find its volume, leaving your answer in terms of $\pi$.
Answer:
  • 36{\pi}
Question
A sphere has a radius of $3$ in. Find its volume, leaving your answer in terms of $\pi$.
Answer:
  • 36{\pi}

Classifier: The text contains metric units ("cm" and "cm$^3$") which require conversion to US customary units.

Verifier: The text contains metric units "cm" and "cm$^3$" which require conversion to US customary units.

01K0RMVPRJFRV6HPZBQ7NZTHTK Localize Units (simple)
Question
Two similar cones, A and B, have radii of $4$ cm and $6$ cm. If the volume of cone A is $48\pi$ cm$^3$, what is the volume of cone B in exact form?
Answer:
  • 162{\pi}
Question
Two similar cones, A and B, have radii of $4$ in and $6$ in. If the volume of cone A is $48\pi$ in$^3$, what is the volume of cone B in exact form?
Answer:
  • 162{\pi}

Classifier: The text contains metric units ("cm" and "cm$^3$") which require conversion to US customary units.

Verifier: The text contains metric units "cm" and "cm$^3$" which require conversion to US customary units. The math involves a simple ratio of similar solids, making it a simple conversion.

01K0RMVPS0W98A89QNH70MW0Q9 Localize Units (simple)
Question
Find the volume of a sphere with a radius of $6$ mm, leaving your answer in terms of $\pi$.
Answer:
  • 288{\pi}
Question
Find the volume of a sphere with a radius of $6$ in, leaving your answer in terms of $\pi$.
Answer:
  • 288{\pi}

Classifier: The text contains metric units ("mm" and "mm$^3$") which require conversion to US customary units.

Verifier: The text contains metric units "mm" and "mm$^3$" which require conversion to US customary units.

01K0RMVPS2AAMTEE48X1NMS84K Localize Units (simple)
Question
Find the volume, in terms of $\pi$, of a hemisphere with a radius of $6$ m.
Answer:
  • 144{\pi}
Question
Find the volume, in terms of $\pi$, of a hemisphere with a radius of $6$ ft.
Answer:
  • 144{\pi}

Classifier: The text contains metric units ("m" and "m$^3$") which require conversion to US customary units.

Verifier: The text contains metric units "m" and "m$^3$" which require conversion to US customary units.

01K0RMVPS2AAMTEE48X3THC9AM Localize Units (simple)
Question
A sphere has a diameter of $9$ cm. Find its volume to the nearest cubic centimetre.
Answer:
  • 382
Question
A sphere has a diameter of $9$ in. Find its volume to the nearest cubic inch.
Answer:
  • 382

Classifier: The text contains metric units ("cm", "cm$^3$") and the word "centimetre" which require conversion to US customary units and US spelling ("centimeter").

Verifier: The text contains metric units "cm" and "cm$^3$" as well as the AU/UK spelling "centimetre" (US: centimeter). Per rule 5, units conversion takes precedence over spelling.

01K0RMVPS1G1KYKSH1WBNVTNEG Localize Units (simple)
Question
A sphere has a diameter of $8$ cm. Calculate its volume, leaving the answer in terms of $\pi$.
Answer:
  • \frac{(256{\pi})}{3}
Question
A sphere has a diameter of $8$ in. Calculate its volume, leaving the answer in terms of $\pi$.
Answer:
  • \frac{(256{\pi})}{3}

Classifier: The text contains metric units ("cm" and "cm$^3$") which require conversion to US customary units.

Verifier: The text contains metric units "cm" and "cm$^3$" which require conversion to US customary units.

01K0RMVPS3BJSJ62F39B714AG0 Localize Units (simple)
Question
A spherical water balloon has a radius of $5.5$ cm. What is its volume, correct to two decimal places?
Answer:
  • 696.91
Question
A spherical water balloon has a radius of $5.5$ in. What is its volume, correct to two decimal places?
Answer:
  • 696.91

Classifier: The text contains metric units ("cm" and "cm$^3$") which require conversion to US customary units.

Verifier: The text contains metric units "cm" and "cm$^3$" which require conversion to US customary units.

01K0RMVPS3BJSJ62F39BR232X3 Localize Units (simple)
Question
A hemisphere has a diameter of $18$ cm. Find its volume in terms of $\pi$.
Answer:
  • 486{\pi}
Question
A hemisphere has a diameter of $18$ in. Find its volume in terms of $\pi$.
Answer:
  • 486{\pi}

Classifier: The text contains the metric unit "cm" and "cm$^3$", which requires conversion for US localization.

Verifier: The text contains metric units "cm" and "cm$^3$", which require conversion for US localization. This is a simple geometric calculation.

01K0RMVPS7BK7VM8BV44S0X5ZB Localize Units (simple)
Question
A hemisphere has a volume of $18\pi$ cm$^3$. Find the radius of its flat base.
Answer:
  • 3
Question
A hemisphere has a volume of $18\pi$ in$^3$. Find the radius of its flat base.
Answer:
  • 3

Classifier: The text contains the metric unit "cm" and "cm$^3$".

Verifier: The text contains metric units "cm$^3$" and "cm".

01K0RMVPS5KCHC19HS9YNDWPD0 Localize Units (simple)
Question
A smaller solid sphere of radius $8$ cm is removed from inside a larger sphere of radius $10$ cm. Find the exact volume of the remaining material.
Answer:
  • \frac{(1952{\pi})}{3}
Question
A smaller solid sphere of radius $8$ in is removed from inside a larger sphere of radius $10$ in. Find the exact volume of the remaining material.
Answer:
  • \frac{(1952{\pi})}{3}

Classifier: The text contains the metric unit "cm" and "cm$^3$".

Verifier: The text contains metric units "cm" and "cm$^3$".

01K0RMVPS96GSCAYEWYNC6QH1G Localize Units (simple)
Question
The base area of a pyramid is $30$ cm$^2$ and its height is $5$ cm. What is its volume?
Answer:
  • 50
Question
The base area of a pyramid is $30$ in$^2$ and its height is $5$ in. What is its volume?
Answer:
  • 50

Classifier: The text contains the metric unit "cm", "cm$^2$", and "cm$^3$".

Verifier: The text contains metric units "cm$^2$", "cm", and "cm$^3$".

01K0RMVPSXH2XX1EBYT5PMBQAS Localize Units (simple)
Question
A cube has a total surface area of $24$ m$^2$. What is the length of one of its sides?
Answer:
  • 2
Question
A cube has a total surface area of $24$ ft$^2$. What is the length of one of its sides?
Answer:
  • 2

Classifier: The text contains the metric unit "m" and "m$^2$".

Verifier: The text contains metric units "m$^2$" and "m". Heuristics failed to flag them, but they are present in the source text.

01K0RMVPSE6J0VYX44K7AYNM47 Localize Units (simple)
Question
A pyramid has a triangular base with a base length of $15$ cm and height $4$ cm. The pyramid’s height perpendicular to the base is $9$ cm. Find its volume.
Answer:
  • 90
Question
A pyramid has a triangular base with a base length of $15$ in and height $4$ in. The pyramid’s height perpendicular to the base is $9$ in. Find its volume.
Answer:
  • 90

Classifier: The text contains the metric unit "cm" and "cm$^3$".

Verifier: The text contains metric units "cm" and "cm$^3$".

s0BmCEvMV0dPB6Z8nWwC Localize Units (simple)
Question
A man runs with velocity $v(t)=t-3t^2+4$ m/s at time $t$ seconds. Find the man's average velocity from $t=2$ to $t=8$ seconds.
Answer:
  • -75
Question
A man runs with velocity $v(t)=t-3t^2+4$ ft/s at time $t$ seconds. Find the man's average velocity from $t=2$ to $t=8$ seconds.
Answer:
  • -75

Classifier: Contains metric units "m/s" (metres per second) and "seconds". Per rule 1 and 9, any metric unit requires classification into a units category.

Verifier: Contains metric units "m/s" (metres per second). While it contains a function, the conversion is a simple numeric scaling of the result/units rather than a complex re-derivation of coefficients.

01K0RMVPSGEQW4QTG0FMFAWSMZ Localize Units (simple)
Question
An office building is in the shape of a square pyramid. Its base is $100$ m by $100$ m, and its height is $150$ m. What is its volume?
Answer:
  • 500000
Question
An office building is in the shape of a square pyramid. Its base is $100$ ft by $100$ ft, and its height is $150$ ft. What is its volume?
Answer:
  • 500000

Classifier: The text contains the metric unit "m" and "m$^3$".

Verifier: The text contains metric units "m" and "m$^3$". Heuristics failed to flag them, but they are present in the source text.

s3kYuBFnWAXeUELXu0nB Localize Units (simple)
Multiple Choice
Which of the following is a unit of length in the imperial system?
Options:
  • Kilometres
  • Millimetres
  • Miles
  • Metres
Multiple Choice
Which of the following is a unit of length in the US customary system?
Options:
  • Kilometers
  • Millimeters
  • Miles
  • Meters

Classifier: Contains multiple metric units ("Kilometres", "Millimetres", "Metres") and AU-specific spelling ("metres", "kilometres"). Units take precedence over spelling.

Verifier: Contains multiple metric units ("Kilometres", "Millimetres", "Metres") and AU-specific spelling ("metres", "kilometres"). Under rule 5, units conversion takes precedence over spelling.

sJ028ou4nsiIkjcMpJd2 Localize Units (simple)
Multiple Choice
To boil between $10$ and $60$ litres of water, the time required is given by the equation: $\text{time} = 2 + 2.5 \times \text{volume of water}$ Which of the following data represents an interpolation?
Options:
  • $15$ minutes
  • $30$ minutes
  • $10$ minutes
  • $4$ minutes
Multiple Choice
To boil between $10$ and $60$ gallons of water, the time required is given by the equation: $\text{time} = 2 + 2.5 \times \text{volume of water}$ Which of the following data represents an interpolation?
Options:
  • $15$ minutes
  • $30$ minutes
  • $10$ minutes
  • $4$ minutes

Classifier: Contains the metric unit "litres" with AU-specific spelling. Per rule 1 and 5, any metric unit requires at least simple conversion.

Verifier: The text contains the metric unit "litres" (AU spelling) and requires conversion of the volume range and the context of the problem to US customary units (gallons). Although an equation is present, it is a simple linear relationship and the conversion of the input range (10-60) is straightforward, fitting simple conversion.

sPyQOUOKtb9TowBTfDFN Localize Units (simple)
Question
Find the area of a rectangle with dimensions $19.78$ cm $\times$ $5$ cm.
Answer:
  • 98.90
Question
Find the area of a rectangle with dimensions $19.78$ in $\times$ $5$ in.
Answer:
  • 98.90

Classifier: The question contains metric units ("cm" and "cm^2") which require conversion to US customary units.

Verifier: The question uses metric units "cm" and "cm^2" which require conversion to US customary units.

sSHyeh9pwKhQAFADexDi Localize Terminology
Multiple Choice
Kelly scored an $87\%$ in History with a class average of $85\%$ and a standard deviation of $8\%$. In Maths, she scored a $75\%$ with a class average of $72\%$ and a standard deviation of $6\%$. Using $z$-scores, in which class did she perform better in comparison to the other students?
Options:
  • Maths
  • History
Multiple Choice
Kelly scored an $87\%$ in History with a class average of $85\%$ and a standard deviation of $8\%$. In Math, she scored a $75\%$ with a class average of $72\%$ and a standard deviation of $6\%$. Using $z$-scores, in which class did she perform better in comparison to the other students?
Options:
  • Math
  • History

Classifier: The text uses the term "Maths", which is the standard AU/UK term. The US equivalent is "Math".

Verifier: The term "Maths" is the standard AU/UK term; the US equivalent is "Math".

safYaR0wswsIe4syeJJS Localize Cultural refs
Multiple Choice
Which of the following method is used to calculate the interest rate for a hire-purchase payment?
Options:
  • None of the above
  • Both of the above
  • Effective rate of interest
  • Flat rate of interest
Multiple Choice
Which of the following methods is used to calculate the interest rate for an installment loan payment?
Options:
  • None of the above
  • Both of the above
  • Effective rate of interest
  • Flat rate of interest

Classifier: "Hire-purchase" is a term primarily used in Commonwealth countries (UK/AU) for what is typically called "installment plan" or "rent-to-own" in the US. While it is a financial term, it functions as a cultural/regional terminology difference.

Verifier: "Hire-purchase" is a specific Commonwealth term for installment plans/rent-to-own, representing a regional terminology difference.

sRFh5JNNFoH3vs2Lxs4Q Localize Units (simple)
Question
The latitude and longitude of Beijing, China is $40^\circ N$ and $116^\circ E$ respectively. Find its distance from the North Pole.
Hint: Take Earth's radius to be $6371$ km
Answer:
  • 5561.77
Question
The latitude and longitude of Beijing, China is $40^\circ N$ and $116^\circ E$ respectively. Find its distance from the North Pole.
Hint: Take Earth's radius to be $6371$ miles
Answer:
  • 5561.77

Classifier: The question uses "km" for Earth's radius and the final distance, which is a metric unit requiring conversion.

Verifier: The question uses "km" for Earth's radius and the distance, which is a metric unit requiring conversion.

sStEBos6NFBe53O18Jcr Localize Spelling (AU-US)
Multiple Choice
Which of the following is the equation of a semicircle with centre at $(3,2)$ and radius $4$ units?
Options:
  • $y=\pm\sqrt{16-(x-3)^{2}}+2$
  • $y=\pm\sqrt{4-(x+3)^{2}}-2$
  • $y=\pm\sqrt{16+(x-3)^{2}}-2$
  • $y=\pm\sqrt{4+(x-3)^{2}}+2$
Multiple Choice
Which of the following is the equation of a semicircle with center at $(3,2)$ and radius $4$ units?
Options:
  • $y=\pm\sqrt{16-(x-3)^{2}}+2$
  • $y=\pm\sqrt{4-(x+3)^{2}}-2$
  • $y=\pm\sqrt{16+(x-3)^{2}}-2$
  • $y=\pm\sqrt{4+(x-3)^{2}}+2$

Classifier: The text contains the AU spelling "centre", which needs to be converted to the US spelling "center".

Verifier: The text uses the AU spelling "centre", which requires localization to the US spelling "center".

sqn_01J6D0X0NCR8J97BGJH9Z7TPCP Localize Spelling (AU-US)
Question
Rationalise the denominator of $\Large\frac{2\sqrt{7}}{5\sqrt{2}}$ and simplify the expression.
Answer:
  • \frac{\sqrt{14}}{5}
Question
Rationalize the denominator of $\Large\frac{2\sqrt{7}}{5\sqrt{2}}$ and simplify the expression.
Answer:
  • \frac{\sqrt{14}}{5}

Classifier: Contains the AU spelling "Rationalise", which needs to be converted to the US spelling "Rationalize".

Verifier: The text contains "Rationalise", which is the AU/UK spelling. US English uses "Rationalize". This requires a spelling-only localization.

snnrwRZdlpqH66gvLuDP Localize Cultural refs
Question
In Alice Springs, for every day it rains, there are $19$ days without rain. What percentage of the year experiences rain?
Answer:
  • 5
Question
In Phoenix, for every day it rains, there are $19$ days without rain. What percentage of the year experiences rain?
Answer:
  • 5

Classifier: Contains a specific Australian geographic reference ("Alice Springs") which should be localized to a US context. No metric units are present, so cultural_reference is the correct leaf.

Verifier: The question references "Alice Springs", which is a specific Australian geographic location, requiring localization to a US context.

sqn_01J6C3XD2BF45DC5KVB9DGP3R2 Localize Spelling (AU-US)
Question
Write $y^2 + 4y + 3y + 12$ in factorised form.
Answer:
  • (({y}+3)\cdot({y}+4))
Question
Write $y^2 + 4y + 3y + 12$ in factored form.
Answer:
  • (({y}+3)\cdot({y}+4))

Classifier: The word "factorised" uses the AU/UK 's' spelling and needs to be converted to the US 'z' spelling ("factorized").

Verifier: The word "factorised" uses the AU/UK 's' spelling, which requires localization to the US 'z' spelling ("factorized").

sqn_01J6D0HD8GVTD8RW0AKH46QZZJ Localize Spelling (AU-US)
Question
Rationalise the denominator of $\Large\frac{2\sqrt{5}}{\sqrt{5} + 2}$ and simplify the expression.
Options:
  • -4\sqrt{5}+10
  • 10-4\sqrt{5}
Question
Rationalize the denominator of $\Large\frac{2\sqrt{5}}{\sqrt{5} + 2}$ and simplify the expression.
Options:
  • -4\sqrt{5}+10
  • 10-4\sqrt{5}

Classifier: Contains the AU spelling "Rationalise", which needs to be converted to the US spelling "Rationalize".

Verifier: The text contains "Rationalise", which is the AU/UK spelling. US English uses "Rationalize". This requires a spelling-only localization.

sqn_01J6TTAWC5R25Q0FMRVRRMXV1C Localize Units (simple)
Question
The base of a parallelogram is $4$ cm. If the height is three times the base, what is its area?
Answer:
  • 48
Question
The base of a parallelogram is $4$ in. If the height is three times the base, what is its area?
Answer:
  • 48

Classifier: The text contains the metric unit "cm", which requires conversion for US localization.

Verifier: The question uses "cm" and "cm^2", which are metric units requiring conversion for US localization.

sqn_01J6P2XT4C05S50NENBA955Q61 Localize Units (simple)
Question
If a cyclist travels $250$ metres in $25$ seconds, what is their average speed in metres per second?
Answer:
  • 10
Question
If a cyclist travels $250$ feet in $25$ seconds, what is their average speed in feet per second?
Answer:
  • 10

Classifier: Contains metric units (metres) and AU spelling (metres). Units take precedence.

Verifier: Contains metric units (metres) and AU spelling (metres).

sqn_01J6P2RSBTWV4FZZ6D1YZG6QVP Localize Units (simple)
Question
Farrel sprinted $1.8$ km in $3.2$ minutes. What was his average speed in m/s?
Answer:
  • 9.375
Question
Farrel sprinted $1.8$ mi in $3.2$ minutes. What was his average speed in ft/s?
Answer:
  • 49.5

Classifier: Contains metric units (km, m/s). Any metric unit requires localization to US customary units or a units-based classification.

Verifier: Contains metric units (km, m/s). Any metric unit requires localization to US customary units.

sqn_01J6TTZSHDWHZPKTPQJTSZYX8Q Localize Units (simple)
Question
A wheel has a diameter that is $2.5$ times the radius of another wheel. If the radius of the second wheel is $12$ cm, what is the diameter of the first wheel?
Answer:
  • 30
Question
A wheel has a diameter that is $2.5$ times the radius of another wheel. If the radius of the second wheel is $12$ in, what is the diameter of the first wheel?
Answer:
  • 30

Classifier: The text contains the metric unit "cm", which requires conversion for US localization.

Verifier: The question uses "cm", which is a metric unit requiring conversion for US localization.

sqn_01J60RGBD25FD4HAS51GJ079N8 Localize Units (simple)
Question
Find the area of a rectangular field with a length of $40.041$ m and width of $31.2$ m.
Answer:
  • 1249.28
Question
Find the area of a rectangular field with a length of $40.041$ ft and width of $31.2$ ft.
Answer:
  • 1249.28

Classifier: The text contains metric units ("m" for metres and "m^2" for square metres) which require conversion for US localization.

Verifier: The question contains metric units ("m" and "m^2") which require conversion for US localization. The calculation is a simple area formula (length x width), making it a simple conversion.

sqn_01J5GNA10HD78DF3JJ6HPX2H7K Localize Units (simple)
Question
In a triangle, two adjacent sides are $8$ cm and $10$ cm long with an acute angle, $𝑥$, between them. If the area is $32$ cm$^2$, calculate $x$ to the nearest degree.
Answer:
  • 53
Question
In a triangle, two adjacent sides are $8$ in and $10$ in long with an acute angle, $𝑥$, between them. If the area is $32$ in$^2$, calculate $x$ to the nearest degree.
Answer:
  • 53

Classifier: The question contains metric units ("cm" and "cm^2") which require conversion for US localization.

Verifier: The question contains metric units ("cm" and "cm^2") which require conversion for US localization. The conversion is simple as it involves substituting values into a standard area formula.

speX7usYn8aDeDXY7obQ Localize Units (simple)
Question
An object travels in one dimension according to the displacement function $s(t)=8t^2+5t-3$ m for $0\leq t\leq12$ s. Find the displacement of the object at time $t=10$ s.
Answer:
  • 847
Question
An object travels in one dimension according to the displacement function $s(t)=8t^2+5t-3$ ft for $0\leq t\leq12$ s. Find the displacement of the object at time $t=10$ s.
Answer:
  • 847

Classifier: The text contains metric units "m" (metres) and "s" (seconds) used in a physics/calculus context. According to the decision rules, any metric unit requires classification into a units category.

Verifier: The text contains metric units "m" (metres) and "s" (seconds). While it contains a displacement function, the calculation required for the answer (t=10) is a simple substitution and evaluation, making simple_conversion appropriate.

sqn_01J6P2KX98WH5Z7ZEG8E19D9XQ Localize Units (simple)
Question
Kakashi covered $4$ kilometres in $7$ minutes while conducting a mission. What was his average speed in metres per second?
Answer:
  • 9.52
Question
Kakashi covered $4$ miles in $7$ minutes while conducting a mission. What was his average speed in feet per second?
Answer:
  • 9.52

Classifier: Contains metric units (kilometres, metres) and AU-specific spelling (metres, kilometres). Units conversion takes precedence over spelling.

Verifier: Contains metric units (kilometres, metres) and AU-specific spelling (metres, kilometres). Simple conversion is appropriate as it is a basic speed calculation.

sqn_01J6SBX1ZRPQPRQJ1B4BXGWWX2 Localize Units (simple)
Question
The total surface area of a rectangular prism is equal to the total surface area of $2$ cubes, each with a side length of $2$ cm. What is the total surface area of the rectangular prism?
Answer:
  • 48
Question
The total surface area of a rectangular prism is equal to the total surface area of $2$ cubes, each with a side length of $2$ in. What is the total surface area of the rectangular prism?
Answer:
  • 48

Classifier: The question contains metric units ("cm" and "cm^2") which require conversion for US localization.

Verifier: The question contains metric units ("cm" and "cm^2") which require conversion for US localization.

sqn_01J6SC45WNBRWAMGNY8TT5KBK3 Localize Units (simple)
Question
A rectangular box has dimensions of $2$ cm, $3.3$ cm, and $10$ cm. What is the total surface area of the box?
Answer:
  • 119.2
Question
A rectangular box has dimensions of $2$ in, $3.3$ in, and $10$ in. What is the total surface area of the box?
Answer:
  • 119.2

Classifier: The question uses metric units ("cm" and "cm^2") for dimensions and surface area, requiring conversion.

Verifier: The question uses metric units ("cm" and "cm^2") for dimensions and surface area, requiring conversion.

sqn_01J6CS68BTB1KHS3RGFF6FB2SH Localize Units (simple)
Question
A rectangular garden has a length of $4\sqrt{3}$ metres. The area of the garden is $24\sqrt{3}$ square metres. Find the width of the garden in simplest form.
Answer:
  • 6
Question
A rectangular garden has a length of $4\sqrt{3}$ feet. The area of the garden is $24\sqrt{3}$ square feet. Find the width of the garden in simplest form.
Answer:
  • 6

Classifier: The text contains metric units ("metres", "square metres") and AU-specific spelling ("metres"). Per rule 6, units conversion takes precedence over spelling.

Verifier: Contains metric units ("metres", "square metres") and AU spelling ("metres"). Units conversion is the correct classification.

sham5omFPeaPVeDXiyOd Localize Spelling (AU-US)
Multiple Choice
Choose the correct formula for an $8\%$ mark-up on the labelled price of an item.
Options:
  • Labelled price $=\Large \frac{92}{100}$ $\times$ Amount paid
  • Amount paid $=\Large \frac{92}{100}$ $\times$ Labelled price
  • Labelled price $=\Large \frac{108}{100}$ $\times$ Amount paid
  • Amount paid $=\Large \frac{108}{100}$ $ \times$ Labelled price
Multiple Choice
Choose the correct formula for an $8\%$ markup on the labeled price of an item.
Options:
  • Labeled price $=\Large \frac{92}{100}$ $\times$ Amount paid
  • Amount paid $=\Large \frac{92}{100}$ $\times$ Labeled price
  • Labeled price $=\Large \frac{108}{100}$ $\times$ Amount paid
  • Amount paid $=\Large \frac{108}{100}$ $ \times$ Labeled price

Classifier: The text uses the AU/UK spelling "labelled", which should be "labeled" in US English.

Verifier: The text uses the AU/UK spelling "labelled" multiple times, which requires localization to the US spelling "labeled".

sqn_0034e022-71e5-4c36-8d7f-b802ebe3cef8 Localize Units (simple)
Question
Explain why a triangle with base $10$ cm and height $5$ cm cannot have an area of $50$ cm$^2$.
Answer:
  • Area $= \frac{1}{2} \times$ base $\times$ height $= \frac{1}{2} \times 10$ cm $\times 5$ cm $= 25$ cm$^2$. It cannot be $50$ cm$^2$.
Question
Explain why a triangle with base $10$ in and height $5$ in cannot have an area of $50$ in$^2$.
Answer:
  • Area $= \frac{1}{2} \times$ base $\times$ height $= \frac{1}{2} \times 10$ in $\times 5$ in $= 25$ in$^2$. It cannot be $50$ in$^2$.

Classifier: The text explicitly uses metric units "cm" and "cm^2". Per the decision rules, any metric unit found anywhere in the text triggers a units conversion category.

Verifier: The text contains metric units "cm" and "cm^2", which requires a RED classification per the decision rules.

sfG07IkvoiFtPxj0jBOH Localize Units (simple)
Question
A rectangular garden is under construction. $500$ m of fencing is needed to enclose it from three of its sides. If $x$ is one of the side lengths, find the area $A$ of the garden.
Options:
  • (500-2{x}){x}
  • {x}(500-2{x})
  • 500{x}-2{x}^{2}
  • -2{x}^{2}+500{x}
Question
A rectangular garden is under construction. $500$ ft of fencing is needed to enclose it from three of its sides. If $x$ is one of the side lengths, find the area $A$ of the garden.
Options:
  • (500-2{x}){x}
  • {x}(500-2{x})
  • 500{x}-2{x}^{2}
  • -2{x}^{2}+500{x}

Classifier: The text contains metric units ("m" for metres and "m$^2$" for square metres) which require conversion to US customary units (feet/yards).

Verifier: The text contains metric units "m" (metres) and "m$^2$" (square metres) which require conversion to US customary units. The relationship is a simple area formula with one variable, fitting simple conversion.

sgtlsX4hwPmjPLoSIplI Localize Units (simple)
Multiple Choice
What is $1232.5$ m$^3$ in km$^3$ ?
Options:
  • $1232500000$ km$^3$
  • $1232500000000$ km$^3$
  • $0.000012325$ km$^3$
  • $0.0000012325$ km$^3$
Multiple Choice
What is $1232.5$ ft$^3$ in mi$^3$ ?
Options:
  • $1232500000$ mi$^3$
  • $1232500000000$ mi$^3$
  • $0.000012325$ mi$^3$
  • $0.0000012325$ mi$^3$

Classifier: The question specifically asks for a conversion between metric units (m^3 to km^3). This is a metric-pedagogy question that requires localization to US customary units or a different context.

Verifier: The question is a metric-pedagogy item asking for conversion between metric units (m^3 to km^3), which requires localization to a US-relevant context.

sqn_01J6P377WCM2ZGVH1FJ5JPTFMT Localize Units (simple)
Question
If a drone flew $1.5$ kilometres in $5$ minutes, what was its average speed in metres per second?
Answer:
  • 5
Question
If a drone flew $1.5$ miles in $5$ minutes, what was its average speed in feet per second?
Answer:
  • 26.4

Classifier: Contains metric units (kilometres, metres) and AU spelling (kilometres, metres).

Verifier: Contains metric units (kilometres, metres) and AU spelling (kilometres, metres).

sqn_01J6YT3VDMC0ATA1M78E6XMDVA Localize Terminology
Question
What is the sum of the $x$ and $y$ coordinates of the turning point of the parabola $y=3x^2-6x+2$ ?
Answer:
  • 0
Question
What is the sum of the $x$ and $y$ coordinates of the vertex of the parabola $y=3x^2-6x+2$ ?
Answer:
  • 0

Classifier: The term "turning point" is standard AU/UK terminology for the vertex of a parabola. In a US context, "vertex" is the standard term.

Verifier: The term "turning point" is the standard AU/UK term for what is called the "vertex" in US curriculum. This requires localization for the target US audience.

sqn_01J6TV2GJ3KVDCWJCBHR2CVMK7 Localize Units (simple)
Question
A circular pond has a diameter of $15$ metres. What is the radius of the pond?
Answer:
  • 7.5
Question
A circular pond has a diameter of $15$ feet. What is the radius of the pond?
Answer:
  • 7.5

Classifier: The text contains the metric unit "metres" (which also features AU spelling). Per decision rules, units conversion takes precedence over spelling.

Verifier: The question uses "metres", which is both a metric unit and an AU spelling, requiring conversion for US localization.

sqn_01J6TVFZXESNEB6F8ZBB49SDJR Localize Units (simple)
Question
The radius of a circular track is increased by $5$ cm, and its diameter becomes $40$ cm. What was the original radius of the track?
Answer:
  • 15
Question
The radius of a circular track is increased by $5$ in, and its diameter becomes $40$ in. What was the original radius of the track?
Answer:
  • 15

Classifier: The text contains the metric unit "cm", which requires conversion for US localization.

Verifier: The question uses "cm", which is a metric unit requiring conversion for US localization.

sqn_01J6YTB1SSR7TYXBNQ6ZVWJSW9 Localize Terminology
Question
Find the $x$-coordinate of the turning point of the parabola $y=\frac{2}{3}x^2-8x+1$
Answer:
  • 6
Question
Find the $x$-coordinate of the vertex of the parabola $y=\frac{2}{3}x^2-8x+1$
Answer:
  • 6

Classifier: The term "turning point" is standard AU/UK terminology for the vertex of a parabola. In a US context, "vertex" is the standard term.

Verifier: The term "turning point" is the standard AU/UK term for what is called the "vertex" in US curriculum. This requires localization for the target US audience.

sqn_01J6YV6K7SP8RRBGXBVEXNJEWJ Localize Terminology
Question
What is the $y$-coordinate of the turning point of the parabola $y=2x^2+6x+7$ ?
Answer:
  • 2.5
Question
What is the $y$-coordinate of the vertex of the parabola $y=2x^2+6x+7$ ?
Answer:
  • 2.5

Classifier: The term "turning point" is standard AU/UK terminology for the vertex of a parabola. In a US context, "vertex" is the standard term.

Verifier: The term "turning point" is the standard AU/UK term for what is called the "vertex" in US curriculum. This requires localization for the target US audience.

sqn_01J6ZTN6BZC4JFK31WHW716Q7V Localize Terminology
Question
A line has the equation $y = -\frac{2}{3}x + 5$. What is the gradient of a line perpendicular to this one?
Answer:
  • \frac{3}{2}
Question
A line has the equation $y = -\frac{2}{3}x + 5$. What is the slope of a line perpendicular to this one?
Answer:
  • \frac{3}{2}

Classifier: The term "gradient" is standard in AU/UK school mathematics for the slope of a line. In US curriculum, "slope" is the standard term.

Verifier: The term "gradient" is the standard AU/UK term for what is called "slope" in the US curriculum. This is a terminology difference.

sqn_01J6YVG5CFXWJ624V8N22XRKH9 Localize Terminology
Question
What is the sum of the $x$ and $y$ coordinates of the turning point of the parabola $y=2\left(x^2+2x+\frac{5}{2}\right)$ ?
Answer:
  • 2
Question
What is the sum of the $x$ and $y$ coordinates of the vertex of the parabola $y=2\left(x^2+2x+\frac{5}{2}\right)$ ?
Answer:
  • 2

Classifier: The term "turning point" is standard AU/UK terminology for the vertex of a parabola. In a US context, "vertex" is the standard term.

Verifier: The term "turning point" is the standard AU/UK term for what is called the "vertex" in US curriculum. This requires localization for the target US audience.

sqn_01J709EWE58YATE42EG0QAFCCS Localize Units (simple)
Question
An architect is designing a triangular balcony. The base of the balcony is $15$ metres, and the height is $20$ metres. What is the area of the balcony?
Answer:
  • 150
Question
An architect is designing a triangular balcony. The base of the balcony is $15$ feet, and the height is $20$ feet. What is the area of the balcony?
Answer:
  • 150

Classifier: Contains metric units ("metres") and AU spelling ("metres"). Per rule 6, units conversion takes precedence over spelling.

Verifier: Contains metric units ("metres") and AU spelling ("metres"). Per rule 5, units conversion takes precedence over spelling.

sqn_01J7DGPQHMPY4RNAXSKEWYTQXE Localize Units (simple)
Question
Fill in the blank: If a plant grows linearly by $2$ cm each week, after $10$ weeks, it will have grown an additional $[?]$ cm.
Answer:
  • 20
Question
Fill in the blank: If a plant grows linearly by $2$ in each week, after $10$ weeks, it will have grown an additional $[?]$ in.
Answer:
  • 20

Classifier: The text contains the metric unit "cm" (centimetres), which requires conversion to US customary units (e.g., inches) per the decision rules.

Verifier: The text contains the metric unit "cm", which requires conversion to US customary units.

sqn_01J70A3EMZXSY301X7C6ZB6K5C Localize Units (simple)
Question
A designer is creating a triangular garden. The base of the garden is $10.5$ metres, and the height is $15$ metres. What is the area of the garden?
Answer:
  • 78.75
Question
A designer is creating a triangular garden. The base of the garden is $10.5$ feet, and the height is $15$ feet. What is the area of the garden?
Answer:
  • 78.75

Classifier: Contains metric units ("metres") and AU spelling ("metres"). Units category takes precedence.

Verifier: Contains metric units ("metres") and AU spelling ("metres"). Units category takes precedence.

sqn_01J7J0H8BW2D4D3JXVGTR6JEQM Localize Units (simple)
Question
How many millimetres are there in $3.2$ m?
Answer:
  • 3200
Question
How many inches are there in $3.2$ ft?
Answer:
  • 38.4

Classifier: Contains metric units (millimetres, m). Even though the spelling "millimetres" is AU, the presence of metric units triggers the units category.

Verifier: Contains metric units (millimetres, m). Even though the spelling is AU, metric units trigger the units category.

sqn_01J800T1V8JTNTKHMVK73N7Y05 Localize Cultural refs
Question
The summer reading challenge starts on December $1$st and ends on February $15$th of the following year. How many days long is the reading challenge?
Answer:
  • 77
Question
The winter reading challenge starts on December $1$st and ends on February $15$th of the following year. How many days long is the reading challenge?
Answer:
  • 77

Classifier: The text refers to a "summer reading challenge" that spans December to February. In the Northern Hemisphere (US), summer occurs from June to August. This is a distinct Southern Hemisphere cultural/geographic reference that would be confusing for a US student.

Verifier: The text describes a "summer reading challenge" occurring from December to February, which is specific to the Southern Hemisphere (AU) and contradicts the Northern Hemisphere (US) seasons.

sqn_01J7J0D9SH7X8GZYMFZS2JZCG6 Localize Units (simple)
Question
Convert $500$ cm to metres.
Answer:
  • 5
Question
Convert $500$ in to feet.
Answer:
  • 41.6666666667

Classifier: Contains metric units (cm, m) and AU spelling ("metres"). Units conversion takes priority over spelling.

Verifier: Contains metric units (cm, m) and AU spelling (metres). Units conversion is the primary requirement.

sqn_01J70A89GR6SWHX464BQK9SSJE Localize Units (simple)
Question
An architect is designing a triangular roof. The base of the roof is $19$ metres and the height is $22$ metres. What is the area of the roof?
Answer:
  • 209
Question
An architect is designing a triangular roof. The base of the roof is $19$ feet and the height is $22$ feet. What is the area of the roof?
Answer:
  • 209

Classifier: The text contains the metric unit "metres" (both an AU spelling and a metric unit) and the unit symbol "m$^2$". According to the decision rules, any metric unit requires at least RED.units_simple_conversion, which takes precedence over spelling.

Verifier: The text contains the metric unit "metres" and the symbol "m$^2$". Per rule 3, any metric unit requires at least RED.units_simple_conversion. The calculation is a straightforward area of a triangle (0.5 * 19 * 22), which fits the simple conversion category.

sqn_01J84514GCNS5VTCQTESQCHWQS Localize Units (simple)
Question
What is the total surface area of a $35$ cm long closed cylinder with a diameter of $13$ cm?
Answer:
  • 1694.89
Question
What is the total surface area of a $35$ in long closed cylinder with a diameter of $13$ in?
Answer:
  • 1694.89

Classifier: The question uses metric units ("cm" and "cm$^2$") which require localization to US customary units.

Verifier: The question uses metric units (cm, cm^2) which require conversion to US customary units.

sqn_01J8Q46XG9PDE2BRRYY5SDKPQN Localize Units (simple)
Question
Sarah walked $2.4$ km in the morning and $1.6$ km in the afternoon. How far did Sarah walk in total?
Answer:
  • 4
Question
Sarah walked $2.4$ mi in the morning and $1.6$ mi in the afternoon. How far did Sarah walk in total?
Answer:
  • 4

Classifier: The text contains the metric unit "km" (kilometres), which requires conversion to US customary units (miles).

Verifier: The text contains the metric unit "km" (kilometres), which requires conversion to US customary units.

sqn_01J8QHZ6470349NQ4X7W6TM840 Localize Terminology
Question
Find the product of the $x$ and $y$-coordinates of the turning point of the parabola $y=-5\left(x+\frac{3}{5}\right)^2-\frac{3}{2}$ .
Answer:
  • 0.9
Question
Find the product of the $x$ and $y$-coordinates of the vertex of the parabola $y=-5\left(x+\frac{3}{5}\right)^2-\frac{3}{2}$ .
Answer:
  • 0.9

Classifier: The term "turning point" is standard AU/UK terminology for the vertex of a parabola. In a US context, "vertex" is the standard term.

Verifier: The term "turning point" is the standard Australian curriculum term for the vertex of a parabola, whereas "vertex" is the standard US term.

sqn_01J8DHV4GMM1KW9Q6FYRYRV0PK Localize Units (simple)
Question
Calculate $x + y + z$ by simplifying the ratio of the given quantities, ensuring all values are in grams: $0.64$ kg to $150$ g to $1.02$ kg $= x : y : z$
Answer:
  • 181
Question
Calculate $x + y + z$ by simplifying the ratio of the given quantities, ensuring all values are in ounces: $0.64$ lb to $150$ oz to $1.02$ lb $= x : y : z$
Answer:
  • 176.56

Classifier: The question contains metric units (kg and g) which require conversion or localization for a US audience.

Verifier: The question contains metric units (kg and grams) which require conversion for a US audience. The conversion is a simple numeric change to the ratio components.

sqn_01J82X09HTQM5R6A1EA296YSE8 Localize Units (simple)
Question
A carpenter is building a table with a trapezium-shaped top. The parallel sides are $2$ m and $1$ m long and the distance between them is $0.8$ m. What is the area of the table top?
Answer:
  • 1.2
Question
A carpenter is building a table with a trapezoid-shaped top. The parallel sides are $2$ ft and $1$ ft long and the distance between them is $0.8$ ft. What is the area of the table top?
Answer:
  • 1.2

Classifier: The content contains metric units ("m" for metres) and the term "trapezium", which is the AU/UK term for the US "trapezoid". Per rule 6, units conversion takes precedence over terminology.

Verifier: The question contains metric units (m, m^2) and the AU/UK term "trapezium" (US: trapezoid). Units conversion is the primary driver for RED classification.

sqn_01J99PFHFV5ZT2HGEEBYDVJHPS Localize Spelling (AU-US)
Question
Find the coordinates of the centre of the rectangular hyperbola $y = \frac{-3}{2x+1} + 2$. What is the sum of these coordinates?
Answer:
  • 1.5
Question
Find the coordinates of the center of the rectangular hyperbola $y = \frac{-3}{2x+1} + 2$. What is the sum of these coordinates?
Answer:
  • 1.5

Classifier: The word "centre" is used, which is the Australian/British spelling. It needs to be localized to "center" for a US audience.

Verifier: The word "centre" is used, which is the Australian/British spelling. It must be localized to "center" for a US audience.

sqn_01J9JJMKFE07THT24GC9ESN4SD Localize Units (simple)
Question
A rectangular prism has dimensions $5$ cm, $12$ cm, and $13$ cm. What is the length of the diagonal of the rectangular face with sides $5 $ cm and $12$ cm?
Answer:
  • 13
Question
A rectangular prism has dimensions $5$ in, $12$ in, and $13$ in. What is the length of the diagonal of the rectangular face with sides $5 $ in and $12$ in?
Answer:
  • 13

Classifier: The text contains the metric unit "cm" multiple times in the content and as a suffix. According to the decision rules, any metric unit requires classification into a units category.

Verifier: The text contains the metric unit "cm". According to the decision rules, any metric unit requires classification into a units category. This is a simple conversion as it involves basic dimensions of a prism.

sqn_01J9JJVQCXBCWQSNM58ATKSF7F Localize Units (simple)
Question
A cone has a slant height of $10$ cm and a base radius of $6$ cm. If the cone is sliced vertically to form a triangle, and $\theta$ is the angle between the radius and the slant height, find the value of $\theta$.
Answer:
  • 53.1
Question
A cone has a slant height of $10$ in and a base radius of $6$ in. If the cone is sliced vertically to form a triangle, and $\theta$ is the angle between the radius and the slant height, find the value of $\theta$.
Answer:
  • 53.1

Classifier: The text contains the metric unit "cm". Per the decision rules, the presence of any metric unit triggers a RED units classification.

Verifier: The text contains the metric unit "cm". Per the decision rules, the presence of any metric unit triggers a RED units classification.

sqn_01J9JQ19T1HS79DR28KEM1VTRJ Localize Units (simple)
Question
In triangle $\triangle DEF$, $DE = 12$ cm, $EF = 14 $ cm, and $DF = 9 $ cm. Find the value of $\angle DEF$.
Answer:
  • 39.6
Question
In triangle $\triangle DEF$, $DE = 12$ in, $EF = 14 $ in, and $DF = 9 $ in. Find the value of $\angle DEF$.
Answer:
  • 39.6

Classifier: The text contains the metric unit "cm".

Verifier: The text contains the metric unit "cm" for the side lengths of the triangle.

sqn_01J9JQ4VV5H6KGPNKX24TBAEQ8 Localize Units (simple)
Question
In $\triangle XYZ$, $XY = 8$ cm, $XZ = 5$ cm, and $\angle YXZ = 120^\circ$. Find the length of the side $YZ$.
Answer:
  • 11.4
Question
In $\triangle XYZ$, $XY = 8$ in, $XZ = 5$ in, and $\angle YXZ = 120^\circ$. Find the length of the side $YZ$.
Answer:
  • 11.4

Classifier: The text contains the metric unit "cm" in both the content and the suffix field.

Verifier: The text contains the metric unit "cm" in both the content and the suffix field.

sqn_01J947Y5P8C5HMF5J3Z3DZGCZG Localize Spelling (AU-US)
Multiple Choice
Factorise $5x^3+3x^2-20x-12$. Express your answer in the form $(x\pm a)(x\pm b)(x\pm c)$, where $a,b$ and $c$ are constants.
Options:
  • $(x-3)(x+2)(5x+3)$
  • $(x-2)(x-2)(5x-3)$
  • $(x-2)(x+2)(5x-3)$
  • $(x-2)(x+2)(5x+3)$
Multiple Choice
Factor $5x^3+3x^2-20x-12$. Express your answer in the form $(x\pm a)(x\pm b)(x\pm c)$, where $a,b$ and $c$ are constants.
Options:
  • $(x-3)(x+2)(5x+3)$
  • $(x-2)(x-2)(5x-3)$
  • $(x-2)(x+2)(5x-3)$
  • $(x-2)(x+2)(5x+3)$

Classifier: Contains the AU spelling "Factorise", which requires localization to "Factorize" for a US audience.

Verifier: Contains the AU spelling "Factorise", which requires localization to "Factorize".

sqn_01J9MER9NSV5SYGEEWGNVPRSMM Localize Units (simple)
Question
In a circle, $AB$ is the diameter with a length of $13$ cm, and $C$ is a point on the circumference. If $BC = 5$ cm, find the length of $AC$.
Answer:
  • 12
Question
In a circle, $AB$ is the diameter with a length of $13$ in, and $C$ is a point on the circumference. If $BC = 5$ in, find the length of $AC$.
Answer:
  • 12

Classifier: The text contains the metric unit "cm" in the content and the suffix, requiring localization.

Verifier: Contains metric unit "cm" in both the question text and the suffix.

sqn_01J947MTRRRTEFXQ78STZ6XACE Localize Spelling (AU-US)
Question
Factorise $2x^3-5x^2-x+6$. Express your answer in the form $(x\pm a)(x\pm b)(x\pm c)$, where $a,b$ and $c$ are constants.
Options:
  • ({x}-2)(2{x}-3)({x}+1)
  • (2{x}-3)({x}+1)({x}-2)
  • ({x}-2)({x}+1)(2{x}-3)
  • (2{x}-3)({x}-2)({x}+1)
  • ({x}+1)(2{x}-3)({x}-2)
  • ({x}+1)({x}-2)(2{x}-3)
Question
Factor $2x^3-5x^2-x+6$. Express your answer in the form $(x\pm a)(x\pm b)(x\pm c)$, where $a,b$ and $c$ are constants.
Options:
  • ({x}-2)(2{x}-3)({x}+1)
  • (2{x}-3)({x}+1)({x}-2)
  • ({x}-2)({x}+1)(2{x}-3)
  • (2{x}-3)({x}-2)({x}+1)
  • ({x}+1)(2{x}-3)({x}-2)
  • ({x}+1)({x}-2)(2{x}-3)

Classifier: Contains the AU spelling "Factorise", which needs to be converted to the US spelling "Factorize".

Verifier: Contains the AU spelling "Factorise", which requires localization to "Factorize".

sqn_01JC4KF264PJ5MD5H2M9Y3KJG6 Localize Spelling (AU-US)
Question
How do you know the $2$ in 'two hundred and fifty-three' goes in the hundreds place?
Answer:
  • The words “two hundred” tell us the $2$ is in the hundreds place.
Question
How do you know the $2$ in 'two hundred fifty-three' goes in the hundreds place?
Answer:
  • The words “two hundred” tell us the $2$ is in the hundreds place.

Classifier: The text uses "and" in the verbalization of the whole number ("two hundred and fifty-three"), which is an AU convention requiring localization.

Verifier: The text uses "and" in the verbalization of a whole number ("two hundred and fifty-three"). In US mathematics pedagogy, "and" is reserved for the decimal point. This is a standard localization requirement for US English.

sqn_01JC4JWM5SGGFNSK4C75T4M35S Localize Spelling (AU-US)
Question
Why isn’t $120\ 000$ read as “twelve thousand”?
Answer:
  • The $1$ is $100$ thousand, the $2$ is $20$ thousand. Together they make one hundred and twenty thousand, not twelve thousand.
Question
Why isn’t $120\ 000$ read as “twelve thousand”?
Answer:
  • The $1$ is $100$ thousand, the $2$ is $20$ thousand. Together they make one hundred twenty thousand, not twelve thousand.

Classifier: The text uses the "and" conjunction in the verbalization of a whole number ("one hundred and twenty thousand"), which is standard in AU but avoided in US math instruction for whole numbers.

Verifier: The text uses "and" in the verbalization of a whole number ("one hundred and twenty thousand"). In US mathematics pedagogy, "and" is reserved for the decimal point. This is a standard localization requirement for US English.

sqn_01JC4JVFE8Z698QAFMC3NRXC7Z Localize Spelling (AU-US)
Question
Why is $406\ 000$ read as “four hundred and six thousand”?
Answer:
  • The $4$ is $400$ thousand, the $0$ means no ten-thousands, and the $6$ is $6$ thousand, making four hundred and six thousand.
Question
Why is $406\ 000$ read as “four hundred six thousand”?
Answer:
  • The $4$ is $400$ thousand, the $0$ means no ten-thousands, and the $6$ is $6$ thousand, making four hundred six thousand.

Classifier: The text uses the British/Australian convention of including "and" when reading whole numbers (e.g., "four hundred and six thousand"). In US English pedagogy, "and" is strictly reserved for the decimal point, and its inclusion in whole numbers is considered a stylistic/spelling-level difference that requires removal for US localization.

Verifier: The text uses "and" in the verbalization of a whole number ("four hundred and six thousand"). In US mathematics pedagogy, "and" is reserved for the decimal point. This is a standard localization requirement for US English.

sqn_01JC4KJNE8JT1WSS2YSP1PE016 Localize Spelling (AU-US)
Question
How do the words in 'three hundred and fourteen' match the digits in $314$?
Answer:
  • Three hundred' = $3$ hundreds. 'Fourteen' = $1$ ten and $4$ ones. Put together: $3$ hundreds, $1$ ten, $4$ ones = $314$.
Question
How do the words in 'three hundred fourteen' match the digits in $314$?
Answer:
  • Three hundred' = $3$ hundreds. 'Fourteen' = $1$ ten and $4$ ones. Put together: $3$ hundreds, $1$ ten, $4$ ones = $314$.

Classifier: The text uses "and" in the verbalization of the whole number ("three hundred and fourteen"), which is an AU convention requiring localization.

Verifier: The text uses "and" in the verbalization of a whole number ("three hundred and fourteen"). In US mathematics pedagogy, "and" is reserved for the decimal point. This is a standard localization requirement for US English.

sqn_01JC4K7ZG72J3X22BACGWQWH99 Localize Spelling (AU-US)
Question
Why does 'seven hundred and three' mean $703$ and not $730$?
Answer:
  • Seven hundred is $7$ hundreds. Three is $3$ ones. No tens are mentioned, so write $0$ in the tens place: $703$. $730$ is seven hundred and thirty.
Question
Why does 'seven hundred three' mean $703$ and not $730$?
Answer:
  • Seven hundred is $7$ hundreds. Three is $3$ ones. No tens are mentioned, so write $0$ in the tens place: $703$. $730$ is seven hundred thirty.

Classifier: The text uses "and" in the verbalization of whole numbers ("seven hundred and three", "seven hundred and thirty"), which is an AU convention that needs to be removed for US localization.

Verifier: The text uses "and" in the verbalization of whole numbers ("seven hundred and three"). In US mathematics pedagogy, "and" is reserved for the decimal point. This is a standard localization requirement for US English.

sqn_01JBZK6967FHV4TP87QEDNFE7K Localize Units (simple)
Question
Convert $38.5$ L to m$^3$.
Answer:
  • 0.0385
Question
Convert $38.5$ gal to ft$^3$.
Answer:
  • 0.0385

Classifier: The question explicitly asks for a conversion between metric units (L to m^3). This is a metric-pedagogy question that requires localization to US customary units or a different pedagogical context.

Verifier: The question involves converting between metric units (L to m^3), which requires localization for a US audience.

sqn_01JBDBF88JDCJCACR2PS2HZH09 Localize Units (simple)
Question
In a triangle, two adjacent sides are $15$ cm and $18$ cm long with an obtuse angle, $x$, between them. If the area is $115$ cm$^2$, calculate $x$ to the nearest degree.
Answer:
  • 121
Question
In a triangle, two adjacent sides are $15$ in and $18$ in long with an obtuse angle, $x$, between them. If the area is $115$ in$^2$, calculate $x$ to the nearest degree.
Answer:
  • 121

Classifier: The text contains metric units ("cm" and "cm$^2$") which require conversion to US customary units or a change in pedagogical context for US localization.

Verifier: The question contains metric units "cm" and "cm$^2$" which require conversion for US localization. The conversion is simple as it involves a straightforward area calculation with a few numeric values.

sqn_01JC4K2RVDDSET0433X4DSPMYR Localize Spelling (AU-US)
Question
How does place value help you read $254\ 000$ as “two hundred and fifty-four thousand”?
Answer:
  • The $2$ is $200$ thousand, the $5$ is $50$ thousand, and the $4$ is $4$ thousand, making two hundred and fifty-four thousand.
Question
How does place value help you read $254\ 000$ as “two hundred fifty-four thousand”?
Answer:
  • The $2$ is $200$ thousand, the $5$ is $50$ thousand, and the $4$ is $4$ thousand, making two hundred fifty-four thousand.

Classifier: The text includes "and" in the verbalization of the whole number ("two hundred and fifty-four thousand"), which requires localization for US English.

Verifier: The text uses "and" in the verbalization of a whole number ("two hundred and fifty-four thousand"). In US mathematics pedagogy, "and" is reserved for the decimal point. This is a standard localization requirement for US English.

sqn_01JBG9NBN1D21GETSGCMGXYPYA Localize Units (simple)
Question
A $250$-litre tank loses $47.85$ litres on Day $1$ and $65.5$ litres on Day $2$. How much water is left?
Answer:
  • 136.65
Question
A $250$-gallon tank loses $47.85$ gallons on Day $1$ and $65.5$ gallons on Day $2$. How much water is left?
Answer:
  • 136.65

Classifier: The text contains the metric unit "litre" and "litres", which requires conversion to US customary units (gallons) or at minimum a spelling change to "liter", but per rule 6 and 9, any metric unit triggers a units category.

Verifier: The text contains the metric unit "litre" and "litres". Per rule 3, any metric unit triggers at least RED.units_simple_conversion. The conversion is a straightforward numeric change for a volume tank problem.

sqn_01JC007K9YF77Q3T1X1PR2RP6Z Localize Units (simple)
Question
The perimeter of a regular octagon is $904$ cm. What is the length of its side?
Answer:
  • 113
Question
The perimeter of a regular octagon is $904$ in. What is the length of its side?
Answer:
  • 113

Classifier: The text contains the metric unit 'cm'.

Verifier: The text contains the metric unit "cm".

sqn_01JBS87W07X44VAC6Y0HZ1K1VW Localize Units (simple)
Question
A jet travels at an average speed of $850$ km/h for $2$ hours and $30$ minutes, then reduces its speed to $600$ km/h for the next 1 hour and $45$ minutes. What is the total distance traveled by the jet?
Answer:
  • 3175
Question
A jet travels at an average speed of $850$ mph for $2$ hours and $30$ minutes, then reduces its speed to $600$ mph for the next 1 hour and $45$ minutes. What is the total distance traveled by the jet?
Answer:
  • 3175

Classifier: The question contains metric units ("km/h" and "km") which require conversion to US customary units (mph and miles).

Verifier: Contains metric units "km/h" and "km" which require conversion to US customary units.

sqn_01JBZM5A6AJFX63QHRNEYCBKPY Localize Units (simple)
Question
Fill in the blank: $3.2$ litres $+\ 0.175$ litres $+\ 250$ cm$^3\ = [?]$ cm$^3$
Answer:
  • 3625
Question
Fill in the blank: $3.2$ gallons $+\ 0.175$ gallons $+\ 250$ in$^3\ = [?]$ in$^3$
Answer:
  • 3625

Classifier: The text contains metric units (litres, cm^3) and AU-specific spelling (litres). Per the decision rules, any metric unit requires at least RED.units_simple_conversion, which takes precedence over spelling.

Verifier: The text contains metric units "litres" and "cm^3". "Litres" is also an AU-specific spelling. Per rule 5, units conversion takes precedence over spelling.

sqn_01JBZZQZTGR3X6507AJVBY3V1Z Localize Units (simple)
Question
The perimeter of a regular hexagon is $564$ cm. What is the length of one of its sides?
Answer:
  • 94
Question
The perimeter of a regular hexagon is $564$ in. What is the length of one of its sides?
Answer:
  • 94

Classifier: The text contains the metric unit 'cm'.

Verifier: The text contains the metric unit "cm".

sqn_01JC4J2975ZXRH96MG7VAF6ZRF Localize Cultural refs
Question
You buy a snack for $\$1.75$ and pay with a $\$2$ coin. How can you check that the change received, $\$0.25$, is correct?
Answer:
  • Think of $\$1.75$ as $\$1$ and $75$ cents. If you add the $25$ cents change, you get $\$1$ and $100$ cents, which is the same as $\$2$. So the change is correct.
Question
You buy a snack for $\$1.75$ and pay with a $\$2$ bill. How can you check that the change received, $\$0.25$, is correct?
Answer:
  • Think of $\$1.75$ as $\$1$ and $75$ cents. If you add the $25$ cents change, you get $\$1$ and $100$ cents, which is the same as $\$2$. So the change is correct.

Classifier: The text refers to a "$2 coin". While the US has a $2 bill, it does not have a $2 coin in common circulation (unlike the Australian $2 coin). This is a distinct cultural/monetary reference that would be confusing or unnatural in a US context.

Verifier: The mention of a "$2 coin" is a specific cultural/monetary reference to the Australian currency system. In the US, while a $2 bill exists, there is no $2 coin in circulation, making this phrasing unnatural for a US audience.

sqn_01JBZV17RD8HRN7CE2BHDST8XB Localize Units (simple)
Question
A rectangle has an area of $450$ cm$^2$ and a perimeter of $86$ cm. The length is $7$ cm longer than the width. What is the length of the rectangle?
Answer:
  • 25
Question
A rectangle has an area of $450$ in$^2$ and a perimeter of $86$ in. The length is $7$ in longer than the width. What is the length of the rectangle?
Answer:
  • 25

Classifier: The text contains metric units (cm^2, cm).

Verifier: The text contains metric units "cm^2" and "cm".

sqn_01JBZMKZ6NAWMSE25467PZSRS4 Localize Units (simple)
Question
The volume of a rectangular tank is $2100$ cm$^3$. The base of the tank has dimensions $15$ cm and $8$ cm. What is the height of the tank?
Answer:
  • 17.5
Question
The volume of a rectangular tank is $2100$ in$^3$. The base of the tank has dimensions $15$ in and $8$ in. What is the height of the tank?
Answer:
  • 17.5

Classifier: The text contains metric units (cm^3, cm). Any metric unit found anywhere in the text triggers this category.

Verifier: The text contains metric units "cm^3" and "cm". This is a simple volume calculation requiring unit conversion for US localization.

sqn_01JC29G1E5DHAB2SV8F1GJ7MFK Localize Units (simple)
Question
A rectangular field has an area of $540$ cm$^2$. The ratio of the length to the width is $5:3$. What is the length?
Answer:
  • 30
Question
A rectangular field has an area of $540$ in$^2$. The ratio of the length to the width is $5:3$. What is the length?
Answer:
  • 30

Classifier: The question contains metric units ("cm" and "cm^2") which require localization to US customary units or a decision on metric pedagogy. Per rule 1, any metric unit disqualifies GREEN.

Verifier: The question contains metric units ("cm" and "cm^2") which require localization to US customary units. This is a simple conversion as it involves a single geometric shape and a basic ratio.

sqn_01JC2D38QY3D1TGMMPZV0SWJ73 Localize Units (simple)
Question
In triangle $ABC$, $\overline{BC} = 153$ cm, $\overline{AB} = 128$ cm, and $\angle{ABC} = 47.3^\circ$. Find $\overline{AC}$.
Answer:
  • 115
Question
In triangle $ABC$, $\overline{BC} = 153$ in, $\overline{AB} = 128$ in, and $\angle{ABC} = 47.3^\circ$. Find $\overline{AC}$.
Answer:
  • 115

Classifier: The text contains the metric unit "cm", which requires localization.

Verifier: The text contains the metric unit "cm", which requires localization. This is a simple application of the Law of Cosines where units are just labels.

sqn_01JBZ75BBEFGYBRHF58AK1C7ZD Localize Units (simple)
Question
In triangle $ABC$, $\overline{BC} = 42$ cm, $\overline{AB} = 67$ cm, and $\angle{ACB} = 47.5^\circ$. What is the perimeter of the triangle?
Answer:
  • 158.5
Question
In triangle $ABC$, $\overline{BC} = 42$ in, $\overline{AB} = 67$ in, and $\angle{ACB} = 47.5^\circ$. What is the perimeter of the triangle?
Answer:
  • 158.5

Classifier: The text contains the metric unit "cm" multiple times, which requires conversion to US customary units.

Verifier: The question contains the metric unit "cm" (centimetres) in both the content and the suffix, which requires conversion to US customary units.

sqn_01JBZP3H79C5K8ZDD52ZAJND93 Localize Units (simple)
Question
A storage unit has dimensions $24.5$ m $\times 18.3$ m $\times 15.2$ m. Inside the unit are two boxes with dimensions $8.4$ m $\times 6.2$ m $\times 4.5$ m and $5.3$ m $\times 7.8$ m $\times 3.4$ m. Calculate the volume of the space left in the storage unit after placing the two boxes.
Answer:
  • 6440.004
Question
A storage unit has dimensions $24.5$ ft $\times 18.3$ ft $\times 15.2$ ft. Inside the unit are two boxes with dimensions $8.4$ ft $\times 6.2$ ft $\times 4.5$ ft and $5.3$ ft $\times 7.8$ ft $\times 3.4$ ft. Calculate the volume of the space left in the storage unit after placing the two boxes.
Answer:
  • 6440.004

Classifier: The text contains metric units (m, m^3). Even though the math is generic, the presence of metric units requires localization to US customary units.

Verifier: The text contains metric units "m" and "m^3". Although there are several values, they are used in a straightforward volume subtraction (V_total - V1 - V2), which fits simple conversion better than complex.

sqn_01JC4KMHP2E1JZYXNPAM3TATN0 Localize Spelling (AU-US)
Question
How do you know to write 'nine hundred and twenty' as $920$?
Answer:
  • Nine hundred' = $9$ hundreds. 'Twenty' = $2$ tens. No ones mentioned, so use $0$ as placeholder: $920$.
Question
How do you know to write 'nine hundred twenty' as $920$?
Answer:
  • Nine hundred' = $9$ hundreds. 'Twenty' = $2$ tens. No ones mentioned, so use $0$ as placeholder: $920$.

Classifier: The text uses "and" in the verbalization of the whole number ("nine hundred and twenty"), which is an AU convention requiring localization.

Verifier: The text uses "and" in the verbalization of a whole number ("nine hundred and twenty"). In US mathematics pedagogy, "and" is reserved for the decimal point. This is a standard localization requirement for US English.

sqn_01JC4KZK24ZG6Y8846QJKHM728 Localize Spelling (AU-US)
Question
Why is the number 'six hundred and five thousand' written as $605\ 000$?
Answer:
  • Write the digits as $605\ 000$. The group $605$ is in the thousands place, so read it as 'six hundred and five thousand'.
Question
Why is the number 'six hundred five thousand' written as $605,000$?
Answer:
  • Write the digits as $605,000$. The group $605$ is in the thousands place, so read it as 'six hundred five thousand'.

Classifier: The text uses "and" in the verbalization of the whole number ("six hundred and five thousand"), which is an AU convention requiring localization.

Verifier: The text uses "and" in the verbalization of a whole number ("six hundred and five thousand"). In US mathematics pedagogy, "and" is reserved for the decimal point. This is a standard localization requirement for US English.

sqn_01JC4M5X24QXW9KMTVVTKQ2SNT Localize Spelling (AU-US)
Question
How can you check that 'four hundred thousand and six hundred' means $400\ 600$?
Answer:
  • Write the digits as $400\ 600$. The left group $400$ is “four hundred thousand,” and the right group $600$ is “six hundred,” giving 'four hundred thousand and six hundred'.
Question
How can you check that 'four hundred thousand six hundred' means $400\ 600$?
Answer:
  • Write the digits as $400\ 600$. The left group $400$ is “four hundred thousand,” and the right group $600$ is “six hundred,” giving 'four hundred thousand six hundred'.

Classifier: The text uses "and" in the verbalization of the whole number ("four hundred thousand and six hundred"), which is an AU convention requiring localization.

Verifier: The text uses "and" in the verbalization of a whole number ("four hundred thousand and six hundred"). In US mathematics pedagogy, "and" is reserved for the decimal point. This is a standard localization requirement for US English.

sqn_01JC4QF53QD447MQMHRC3N3APD Localize Units (simple)
Question
The area of a kite is $2528.75$ cm$^2$. The length of the shorter diagonal is $70\%$ of the length of the longer diagonal. What is the length of the shorter diagonal?
Answer:
  • 59.5
Question
The area of a kite is $2528.75$ in$^2$. The length of the shorter diagonal is $70\%$ of the length of the longer diagonal. What is the length of the shorter diagonal?
Answer:
  • 59.5

Classifier: The text contains the metric unit 'cm' (centimetres) in both the content and the suffix, which requires conversion to US customary units (e.g., inches).

Verifier: The question contains the metric unit "cm" (centimetres) in both the content and the suffix, which requires conversion to US customary units.

sqn_01JCC3RC0ZKWNN4HSCX2H6DCV8 Localize Units (simple)
Question
Polygon $A$ is scaled by a factor of $7.5$ to create Polygon $B$. If the area of Polygon $B$ is $1215.7$ cm$^2$, what is the area of Polygon $A$?
Answer:
  • 21.6
Question
Polygon $A$ is scaled by a factor of $7.5$ to create Polygon $B$. If the area of Polygon $B$ is $1215.7$ in$^2$, what is the area of Polygon $A$?
Answer:
  • 21.6

Classifier: The text contains metric units ("cm^2"). Any metric unit found anywhere in the text requires classification into a units category.

Verifier: The text contains the metric unit "cm^2", which requires a RED units classification.

sqn_01JCN2H2H0EREWJ3VJ3WXHJ54G Localize Units (simple)
Question
A tank is filled with $ 6 \dfrac{17}{20}$ litres of water. Express this amount as an improper fraction.
Answer:
  • \frac{137}{20}
Question
A tank is filled with $ 6 \dfrac{17}{20}$ gallons of water. Express this amount as an improper fraction.
Answer:
  • \frac{137}{20}

Classifier: Contains the metric unit 'litres' which also uses AU spelling. Per rule 6, units conversion takes precedence over spelling.

Verifier: Contains the metric unit 'litres' (AU spelling). Metric units require RED classification.

sqn_01JDRNFG4K330CM3SZEBSG4X1Q Localize Units (simple)
Question
In $\triangle ABC$, $\angle A = 40^\circ$, $BC = 13$ cm, and $AC = 19$ cm. Determine how many distinct triangles can be formed with these measurements.
Answer:
  • 2
Question
In $\triangle ABC$, $\angle A = 40^\circ$, $BC = 13$ in, and $AC = 19$ in. Determine how many distinct triangles can be formed with these measurements.
Answer:
  • 2

Classifier: Contains the metric unit "cm". Any metric unit requires localization to US customary units.

Verifier: Contains the metric unit "cm" which requires conversion to US customary units.

sqn_01JCJ3J14JGX2VTVD7PZZ5A4J0 Localize Units (simple)
Question
A shipping container is loaded in two stages, each with a weight limit $W$. The first stage adds $55\%$ of $W$ and the second adds $90\%$ of $W$. The total weight is $2900$ kg. What is $W$?
Answer:
  • 2000
Question
A shipping container is loaded in two stages, each with a weight limit $W$. The first stage adds $55\%$ of $W$ and the second adds $90\%$ of $W$. The total weight is $2900$ lbs. What is $W$?
Answer:
  • 2000

Classifier: Contains the metric unit "kg" which requires conversion to US customary units.

Verifier: Contains the metric unit "kg" which requires conversion to US customary units.

sqn_01JCJ0DY2ZZHAPNE545Q8J76V1 Localize Units (simple)
Question
A skydiver jumps from a helicopter at $300$ m and descends at $45.5$ m/s for $3$ seconds. After deploying the parachute, the descent slows to $12.8$ m/s. What is the skydiver’s altitude above the ground after $8$ seconds?
Answer:
  • 99.5
Question
A skydiver jumps from a helicopter at $300$ ft and descends at $45.5$ ft/s for $3$ seconds. After deploying the parachute, the descent slows to $12.8$ ft/s. What is the skydiver’s altitude above the ground after $8$ seconds?
Answer:
  • 99.5

Classifier: Contains multiple metric units (m, m/s) which require conversion to US customary units.

Verifier: The question contains metric units (m, m/s) which require conversion to US customary units. The calculation is a simple linear descent model, fitting simple conversion.

sqn_01JCN30T149TKJN01PTGD9D4Z2 Localize Units (simple)
Question
A factory produces $1.25$ kilograms of waste every hour. Given $1$ kg $= 10^3$ grams, how many grams of waste does it produce in $100$ hours?
Answer:
  • 125000
Question
A factory produces $1.25$ pounds of waste every hour. Given $1$ lb $= 16$ ounces, how many ounces of waste does it produce in $100$ hours?
Answer:
  • 2000

Classifier: Contains metric units 'kilograms', 'kg', and 'grams'. Even though the math involves powers of 10, the presence of metric units requires localization to US customary units or a specific metric-pedagogy classification; however, 'units_simple_conversion' is the standard for any metric unit presence.

Verifier: Contains metric units 'kilograms', 'kg', and 'grams'. Presence of metric units requires RED classification.

sqn_01JCC1JKANNQDD711H6RM9RHF0 Localize Units (simple)
Question
A $50$ m cable stretches from the top of a tree to a point on the ground. A point $20\%$ lower than the top of the tree is $36$ metres above the ground. Determine the angle, in degrees, between the ground and the cable.
Answer:
  • 64.2
Question
A $50$ ft cable stretches from the top of a tree to a point on the ground. A point $20\%$ lower than the top of the tree is $36$ feet above the ground. Determine the angle, in degrees, between the ground and the cable.
Answer:
  • 64.2

Classifier: The text contains both metric units ("m", "metres") and AU-specific spelling ("metres"). Per the decision rules, the presence of any metric unit triggers a RED units category, which takes precedence over spelling.

Verifier: The text contains metric units ("m", "metres") and AU spelling ("metres"). Per rule 3 and 5, metric units require a RED units classification.

sqn_01JDFGBTKMRX0BP6RXCWG84RB4 Localize Units (simple)
Question
The total length of a rectangular measuring tape is $120$ cm and its width is $5$ mm. What is the perimeter of the measuring tape in cm?
Answer:
  • 241
Question
The total length of a rectangular measuring tape is $120$ in and its width is $5$ in. What is the perimeter of the measuring tape in in?
Answer:
  • 250

Classifier: Contains metric units "cm" and "mm". Any metric unit requires localization to US customary units.

Verifier: Contains metric units "cm" and "mm" which require conversion to US customary units.

sqn_01JG00D864TWGQWQ3R4JRY33Z0 Localize Terminology
Question
A coffee costs $\$2$. If you pay with a $\$5$ note, what is your change?
Answer:
  • 3
Question
A coffee costs $\$2$. If you pay with a $\$5$ bill, what is your change?
Answer:
  • 3

Classifier: The term "note" refers to paper currency; in a US context, this should be localized to "bill" (e.g., a $5 bill).

Verifier: The term "note" for paper currency is AU/UK terminology; US school context requires "bill".

sqn_01JGNFQGWEH73MVFW5ATXG2845 Localize Spelling (AU-US)
Question
Why do we organise data in a stem-and-leaf plot instead of just writing all the numbers in a list?
Answer:
  • A stem-and-leaf plot is better because it shows the numbers in order and makes it easy to see patterns.
Question
Why do we organize data in a stem-and-leaf plot instead of just writing all the numbers in a list?
Answer:
  • A stem-and-leaf plot is better because it shows the numbers in order and makes it easy to see patterns.

Classifier: The word "organise" uses the AU/UK spelling (ending in -ise) and needs to be converted to the US spelling "organize".

Verifier: The word "organise" is the AU/UK spelling. US English requires "organize".

sqn_01JKCJD6Z98DS6S85N8HD24E4W Localize Cultural refs
Question
A guest stays at a hotel. The total bill is $\$275$, including GST. What was the price before GST?
Answer:
  • 250
Question
A guest stays at a hotel. The total bill is $\$275$, including sales tax. What was the price before sales tax?
Answer:
  • 250

Classifier: Contains "GST", which is a specific Australian tax reference. US localization would require changing this to "sales tax" or a neutral equivalent.

Verifier: Contains "GST", which is a specific Australian tax reference.

sqn_01JKCHYYE2J1SQYEMVMXCTBG22 Localize Cultural refs
Question
A store lists a laptop for $\$1650$, including GST. What was the price before GST?
Answer:
  • 1500
Question
A store lists a laptop for $\$1650$, including sales tax. What was the price before sales tax?
Answer:
  • 1500

Classifier: The term "GST" (Goods and Services Tax) is the specific consumption tax used in Australia. In a US context, this would typically be referred to as "sales tax", although the mathematical application (inclusive vs. exclusive) differs.

Verifier: The term "GST" (Goods and Services Tax) is a specific Australian tax reference that requires localization to "sales tax" or similar for a US context.

sqn_01JD95SSEBWNFDQF6CBWZHD9ET Localize Units (simple)
Question
A water tank holds $86$ litres of water. $5$ litres were used to water the garden. How much water is left in the tank?
Answer:
  • 81
Question
A water tank holds $86$ gallons of water. $5$ gallons were used to water the garden. How much water is left in the tank?
Answer:
  • 81

Classifier: Contains the metric unit "litres" which requires both spelling correction ("liters") and unit conversion for a US audience. Per rule 6, units conversion takes precedence over spelling.

Verifier: Contains the metric unit "litres" (AU spelling and metric system), which requires conversion to US customary units (gallons) or at least spelling correction to "liters" if units were kept, but per policy, metric units in word problems trigger conversion.

sqn_01JG003RKVHFARB7DJE6Z98TDJ Localize Terminology
Question
The toy costs $\$7.85$. If you pay with a $\$10$ note, what is your change?
Answer:
  • 2.15
Question
The toy costs $\$7.85$. If you pay with a $\$10$ bill, what is your change?
Answer:
  • 2.15

Classifier: The term "note" refers to paper currency, which is standard in AU/UK but is almost exclusively referred to as a "bill" in US English (e.g., a $10 bill). While "note" is understood, "bill" is the required localization for US school contexts.

Verifier: The term "note" for paper currency is AU/UK terminology; US school context requires "bill".

sqn_01JKCJSVAZV1XAJG9EDCQ51D2N Localize Cultural refs
Question
A customer gets a hair treatment and pays $\$275$, including GST. How much of this amount is GST?
Answer:
  • 25
Question
A customer gets a hair treatment and pays $\$275$, including sales tax. How much of this amount is sales tax?
Answer:
  • 25

Classifier: Contains "GST", which is an Australian cultural/tax reference.

Verifier: Contains "GST", which is a specific Australian tax reference.

sqn_01JEZJM0G24CY4GV55FTTNYB28 Localize Units (simple)
Question
A watermelon costs $\$3.25$ per kilogram. Its total weight is $4.8$ kg. How much does it cost in total?
Answer:
  • 15.60
Question
A watermelon costs $\$3.25$ per pound. Its total weight is $4.8$ lbs. How much does it cost in total?
Answer:
  • 15.60

Classifier: The text contains metric units ('kilogram' and 'kg') which require localization to US customary units (e.g., pounds/lb) for a US audience.

Verifier: The text contains metric units "kilogram" and "kg" which require conversion for US localization.

sqn_01JKSFWV3YJFK2JG2JPQKMAA0Z Localize Units (simple)
Question
A triangle has side lengths $15$ m, $18$ m, and $22$ m. Calculate its area.
Answer:
  • 134
Question
A triangle has side lengths $15$ ft, $18$ ft, and $22$ ft. Calculate its area.
Answer:
  • 134

Classifier: The question contains metric units ("m" for metres and "m$^2$" for square metres) which require conversion to US customary units.

Verifier: The question uses metric units ("m" and "m$^2$") which require conversion to US customary units. The conversion is a simple area calculation based on side lengths.

sqn_01JMC5M8GMEMA3CQBH7QNQGCVX Localize Terminology
Question
Find the $x$-coordinate of the turning point of the parabola $ y = (2x - 4)(x + 3) $
Answer:
  • -0.5
Question
Find the $x$-coordinate of the vertex of the parabola $ y = (2x - 4)(x + 3) $
Answer:
  • -0.5

Classifier: Uses the term "turning point", which is standard AU/UK terminology for the vertex of a parabola. In a US context, "vertex" is the standard term.

Verifier: The term "turning point" is the standard AU/UK term for what is referred to as the "vertex" in the US curriculum.

sqn_01JMC5WTNX8NWZJMEYV65X4CWM Localize Terminology
Question
Find the $x$-coordinate of the turning point of the parabola $ y = 5(x - 3)(x + 7) $
Answer:
  • -2
Question
Find the $x$-coordinate of the vertex of the parabola $ y = 5(x - 3)(x + 7) $
Answer:
  • -2

Classifier: Uses the term "turning point", which maps to "vertex" in US curriculum.

Verifier: The term "turning point" is used, which requires localization to "vertex" for US audiences.

sqn_01JMC5QQQYXBRWPCZ03WV569J3 Localize Terminology
Question
Find the $x$-coordinate of the turning point of the parabola $ y = (x - 4)(x + 8) $
Answer:
  • -2
Question
Find the $x$-coordinate of the vertex of the parabola $ y = (x - 4)(x + 8) $
Answer:
  • -2

Classifier: Uses the term "turning point", which maps to "vertex" in US curriculum.

Verifier: The term "turning point" is used, which requires localization to "vertex" for US audiences.

sqn_01JKWRQ9ZNQZVRP2W34ZVNBB1V Localize Terminology
Question
A company invests $\$15\ 000$ in a simple interest account with annual interest. After $6$ years, the total amount grows to $\$19\ 500$. What is the annual simple interest rate?
Answer:
  • 5
Question
A company invests $\$15\ 000$ in a simple interest account with annual interest. After $6$ years, the total amount grows to $\$19\ 500$. What is the annual simple interest rate?
Answer:
  • 5

Classifier: The suffix uses "p.a." (per annum), which is standard in AU/UK contexts but much less common in US K-12 math compared to "per year" or simply omitting it when "annual interest rate" is already in the stem. Additionally, the use of a space as a thousands separator ($15 000) is an AU/international convention; US convention uses a comma ($15,000).

Verifier: The use of "p.a." (per annum) and the space as a thousands separator ($15 000) are specific to AU/International conventions and differ from US K-12 standards.

sqn_01JKWPHKCDSJQGYCQTAB09A5FJ Localize Units (simple)
Question
A gold bar has a mass of $1000$ g and a density of $19.3$ g/cm$^3$. What is the volume of the gold bar?
Answer:
  • 51.81
Question
A gold bar has a mass of $1000$ oz and a density of $19.3$ oz/in$^3$. What is the volume of the gold bar?
Answer:
  • 51.81

Classifier: The question contains multiple metric units (g, g/cm^3, cm^3) which require conversion for a US audience.

Verifier: The question contains metric units (g, g/cm^3, cm^3) which require conversion for the US locale.

sqn_01JMJWGRC8ZBHR7FXVA5PC3AYV Localize Terminology
Question
In a class, $P(\text{likes maths}) = 0.6$ and $P(\text{likes both maths and science}) = 0.24$. Assuming independence, what is $P(\text{likes science})$?
Answer:
  • 0.4
Question
In a class, $P(\text{likes math}) = 0.6$ and $P(\text{likes both math and science}) = 0.24$. Assuming independence, what is $P(\text{likes science})$?
Answer:
  • 0.4

Classifier: Contains the term "maths", which is the standard AU/UK term for the US "math".

Verifier: Contains the term "maths", which is the standard AU/UK term for the US "math".

sqn_01JMC6BGHD833DZRWEWFG4CNNB Localize Terminology
Question
Find the $y$-coordinate of the turning point of the parabola $ y = -(x + 1)(x + 5) $
Answer:
  • 4
Question
Find the $y$-coordinate of the vertex of the parabola $ y = -(x + 1)(x + 5) $
Answer:
  • 4

Classifier: Uses the term "turning point", which maps to "vertex" in US curriculum.

Verifier: The term "turning point" is used, which requires localization to "vertex" for US audiences.

sqn_01JMC6NSFNFAEB67J66HBMZJVQ Localize Terminology
Question
Find the $y$-coordinate of the turning point of the parabola $ y = -4(2x + 3)(x - 5) $
Answer:
  • 84.5
Question
Find the $y$-coordinate of the vertex of the parabola $ y = -4(2x + 3)(x - 5) $
Answer:
  • 84.5

Classifier: Uses the term "turning point", which maps to "vertex" in US curriculum.

Verifier: The term "turning point" is used, which requires localization to "vertex" for US audiences.

sqn_01JMCA6H827T7Y2WKFWHK2CJZ1 Localize Units (simple)
Question
Visible light has a wavelength of approximately $5.5 \times 10^{-7}$ m. What is its order of magnitude?
Answer:
  • -6
Question
Visible light has a wavelength of approximately $5.5 \times 10^{-7}$ ft. What is its order of magnitude?
Answer:
  • -6

Classifier: The text contains the metric unit "m" (metres) in the context of a physical measurement (wavelength). According to the decision rules, any metric unit found anywhere in the text requires classification into a units category.

Verifier: The text contains the metric unit "m" (metres). Per the decision rules, any metric unit found anywhere requires a RED units classification. Since it is a single value and the question asks for order of magnitude, it is a simple conversion/flag.

sqn_01JMK42NYCWXXJYTC1DAACZK4N Localize Units (simple)
Question
A tank has $950$ litres of water. It loses $40$ litres every hour. What is the initial value?
Answer:
  • 950
Question
A tank has $950$ gallons of water. It loses $40$ gallons every hour. What is the initial value?
Answer:
  • 950

Classifier: The text contains the metric unit "litres", which requires both spelling localization (liters) and unit conversion for a US audience. Per rule 6, units conversion takes precedence over spelling.

Verifier: The text contains the metric unit "litres", which requires both spelling localization (to "liters") and unit conversion for the US market. Per rule 5, units conversion takes precedence.

sqn_01JMRDTSYCQZQEXCK6ZZYRD995 Localize Units (simple)
Question
A square playground measures $18$ m per side. A circular sandpit in the centre has a radius of $4.5$ m. What is the probability a random point lies outside the sandpit?
Answer:
  • 0.8
Question
A square playground measures $18$ ft per side. A circular sandpit in the center has a radius of $4.5$ ft. What is the probability a random point lies outside the sandpit?
Answer:
  • 0.8

Classifier: The text contains both the metric unit "m" and the AU spelling "centre". Units conversion takes precedence over spelling per the decision rules.

Verifier: The text contains the metric unit "m" and the AU spelling "centre". Per decision rule 5, units conversion takes precedence over spelling.

sqn_01JMC6J4VDSZ3H7NVF9FH72X17 Localize Terminology
Question
Find the $y$-coordinate of the turning point of the parabola $ y = -3(x + 2)(x - 4) $
Answer:
  • 27
Question
Find the $y$-coordinate of the vertex of the parabola $ y = -3(x + 2)(x - 4) $
Answer:
  • 27

Classifier: Uses the term "turning point", which maps to "vertex" in US curriculum.

Verifier: The term "turning point" is used, which requires localization to "vertex" for US audiences.

sqn_01JMC635DZD6SAXHBSXRCNVPKM Localize Terminology
Question
Find the $x$-coordinate of the turning point of the parabola $ y = -3(x +4)(x -$$\Large\frac{1}{2}$ $) $
Answer:
  • -1.75
Question
Find the $x$-coordinate of the vertex of the parabola $ y = -3(x +4)(x -$$\Large\frac{1}{2}$ $) $
Answer:
  • -1.75

Classifier: Uses the term "turning point", which maps to "vertex" in US curriculum.

Verifier: The term "turning point" is used, which requires localization to "vertex" for US audiences.

sqn_01JMRDNN9BGPB67H0D49GRZWPB Localize Units (simple)
Question
A $25$ m by $10$ m pool has a diving area of $8$ m by $9$ m. What is the probability a random point in the pool lies in the diving area?
Answer:
  • 0.288
Question
A $25$ ft by $10$ ft pool has a diving area of $8$ ft by $9$ ft. What is the probability a random point in the pool lies in the diving area?
Answer:
  • 0.288

Classifier: The text contains the metric unit "m" (metres/meters). Per decision rules, any metric unit requires at least RED.units_simple_conversion.

Verifier: The text contains the metric unit "m" (metres). Per decision rule 3, any metric unit requires at least RED.units_simple_conversion.

sqn_01JMDT1X4YHWN74AP1W9SK8R9Y Localize Units (simple)
Question
The temperature in a city is given by $y = 18 + 6 \sin\left(\frac{\pi}{12}t\right)$, where $y$ is in degrees Celsius and $t$ is hours after midnight. Find the temperature at $9$ AM.
Answer:
  • 22.24
Question
The temperature in a city is given by $y = 18 + 6 \sin\left(\frac{\pi}{12}t\right)$, where $y$ is in degrees Fahrenheit and $t$ is hours after midnight. Find the temperature at $9$ AM.
Answer:
  • 22.24

Classifier: The text contains the metric unit "degrees Celsius" and the symbol "^\circ C", which requires conversion to Fahrenheit for US localization.

Verifier: The question uses "degrees Celsius" and the symbol "^\circ C", which are metric units requiring conversion to Fahrenheit for US localization.

sqn_01JMDWE6N8AGVVA503K7B3D5BX Localize Units (simple)
Question
A submarine's depth is given by $y = 150 + 30 \cos\left(\frac{\pi}{10} t\right)$, where $y$ is the depth below sea level in metres and $t$ is the time in minutes after descent starts. When does the submarine first reach a depth of $165$ metres?
Answer:
  • 3.33
Question
A submarine's depth is given by $y = 150 + 30 \cos\left(\frac{\pi}{10} t\right)$, where $y$ is the depth below sea level in feet and $t$ is the time in minutes after descent starts. When does the submarine first reach a depth of $165$ feet?
Answer:
  • 3.33

Classifier: The text contains the metric unit "metres" (AU spelling). Metric units take precedence over spelling-only classifications.

Verifier: The text contains the metric unit "metres" (AU spelling). Metric units take precedence over spelling-only classifications.

sqn_01JMH4T8RA09QQVEXA924EY6VB Localize Units (simple)
Question
A building casts a $845.28$ cm shadow. A $122.56$ cm bench nearby casts a $76.60$ cm shadow. How tall is the building?
Answer:
  • 1352.448
Question
A building casts a $845.28$ in shadow. A $122.56$ in bench nearby casts a $76.60$ in shadow. How tall is the building?
Answer:
  • 1352.448

Classifier: The text uses "cm" as the unit of measurement for the building and shadow, which requires conversion for a US audience.

Verifier: The question uses "cm" for all measurements, requiring localization to US customary units.

sqn_01JMRDYTN1DAFEGPJG0H8WWQ05 Localize Units (simple)
Question
A $20$ m square hall has a circular stage at its centre with a diameter of $16$ m. What is the probability a random point on the floor lies outside the stage?
Answer:
  • 0.497
Question
A $20$ ft square hall has a circular stage at its center with a diameter of $16$ ft. What is the probability a random point on the floor lies outside the stage?
Answer:
  • 0.497

Classifier: The text contains the metric unit "m" and the AU spelling "centre". Units conversion takes precedence over spelling.

Verifier: The text contains the metric unit "m" and the AU spelling "centre". Per decision rule 5, units conversion takes precedence over spelling.

sqn_01JMK7CMMCT50DMJK3NM21P202 Localize Units (simple)
Question
A runner runs $10$ km on the first day of training. Each day, they increase their run by $1.8$ km. How far will they run on the $5^\text{th}$ day?
Answer:
  • 17.5
Question
A runner runs $10$ mi on the first day of training. Each day, they increase their run by $1.8$ mi. How far will they run on the $5^\text{th}$ day?
Answer:
  • 17.2

Classifier: The text contains the metric unit "km" (kilometers), which requires conversion to US customary units (miles) for a US audience.

Verifier: The text contains the metric unit "km" (kilometers), which requires conversion to US customary units (miles). The math is a simple arithmetic progression, making it a simple conversion.

sqn_01JMK3P9Q08EP3618HEYZ9EQAR Localize Units (simple)
Question
A tank has $800$ litres of water. It loses $40$ litres every hour. Find $d$ in the recurrence relation: $T_0=800, T_{n+1} = T_n + d$
Answer:
  • -40
Question
A tank has $800$ gallons of water. It loses $40$ gallons every hour. Find $d$ in the recurrence relation: $T_0=800, T_{n+1} = T_n + d$
Answer:
  • -40

Classifier: Contains the metric unit "litres", which requires both spelling localization ("liters") and unit conversion for a US audience. Per rule 6, units conversion takes precedence over spelling.

Verifier: Contains the metric unit "litres", which requires both spelling localization ("liters") and unit conversion for a US audience.

sqn_01JMH4P4F1TJCQWT538X3712F5 Localize Units (simple)
Question
A tree casts a $731.52$ cm shadow. A $91.44$ cm yardstick casts a $60.96$ cm shadow. How tall is the tree?
Answer:
  • 1097.28
Question
A tree casts a $731.52$ in shadow. A $91.44$ in yardstick casts a $60.96$ in shadow. How tall is the tree?
Answer:
  • 1097.28

Classifier: The text contains the metric unit "cm" multiple times, which requires localization to US customary units. Interestingly, it also mentions a "yardstick" (a US customary tool), but the measurements are given in cm.

Verifier: The question uses the metric unit "cm" for measurements, which requires localization to US customary units. Although "yardstick" is a US term, the values provided are in metric. This is a simple ratio problem, so simple conversion is appropriate.

sqn_01JMH4WGFDNNS9WJ7V7434VRMM Localize Units (simple)
Question
A statue casts a $650.40$ cm shadow. A $102.36$ cm garden fence nearby casts a $68.24$ cm shadow. How tall is the statue?
Answer:
  • 975.6
Question
A statue casts a $650.40$ in shadow. A $102.36$ in garden fence nearby casts a $68.24$ in shadow. How tall is the statue?
Answer:
  • 975.6

Classifier: The text uses "cm" for all measurements, necessitating localization to US customary units.

Verifier: The question uses "cm" for all measurements, requiring localization to US customary units.

sqn_01JMDW6XH81PWDDPVT0361Y36G Localize Units (simple)
Question
The height of a point on a bicycle wheel is given by $y = 0.5 + 0.3 \sin(2 \pi t)$, where $y$ is height in metres and $t$ is time in seconds after the wheel starts turning. When does it first reach $0.8$ metres?
Answer:
  • 0.25
Question
The height of a point on a bicycle wheel is given by $y = 0.5 + 0.3 \sin(2 \pi t)$, where $y$ is height in feet and $t$ is time in seconds after the wheel starts turning. When does it first reach $0.8$ feet?
Answer:
  • 0.25

Classifier: The text contains the metric unit "metres" (which also uses AU spelling). Per the decision rules, any metric unit requires at least RED.units_simple_conversion.

Verifier: The text contains the metric unit "metres" (AU spelling). Per rule 3, any metric unit requires at least RED.units_simple_conversion.

sqn_01JMDZR7PD7K2CA49ZH9JNB258 Localize Units (simple)
Question
The height of a roller coaster passenger is given by $y = 20 + 15 \sin\left(\frac{\pi}{8} t\right)$, where $y$ is in metres and $t$ is time in seconds. When does the height first reach $35$ metres?
Answer:
  • 4
Question
The height of a roller coaster passenger is given by $y = 20 + 15 \sin\left(\frac{\pi}{8} t\right)$, where $y$ is in feet and $t$ is time in seconds. When does the height first reach $35$ feet?
Answer:
  • 4

Classifier: The text contains the metric unit "metres". Metric units take precedence over spelling-only classifications.

Verifier: The text contains the metric unit "metres". Metric units take precedence over spelling-only classifications.

sqn_01JMK73D2NH9VHBG6F5C3DX64G Localize Units (simple)
Question
A tank initially contains $50$ L of water. Every hour, $3.5$ L is added. Use the recurrence relation below to determine the total amount of water in the tank after $10$ hours. $W_{0}=50$, $\quad W_{n+1}=W_{n} + 3.5$
Answer:
  • 85
Question
A tank initially contains $50$ gal of water. Every hour, $3.5$ gal is added. Use the recurrence relation below to determine the total amount of water in the tank after $10$ hours. $W_{0}=50$, $\quad W_{n+1}=W_{n} + 3.5$
Answer:
  • 85

Classifier: The text contains the metric unit "L" (litres), which requires conversion for US localization.

Verifier: The text uses the metric unit "L" (litres), which requires conversion for US localization. This is a simple numeric change.

sqn_01JSWNZZWE93XKWHKKT9X8DZBJ Localize Terminology
Question
Write four thousand and twenty-nine and twenty-nine thousandths as a decimal.
Answer:
  • 4029.029
Question
Write four thousand twenty-nine and twenty-nine thousandths as a decimal.
Answer:
  • 4029.029

Classifier: The use of "and" to denote the decimal point ("...thousandths") and the inclusion of "and" in "four thousand and twenty-nine" is common in AU/UK English. However, it is not strictly incorrect in US English, though US pedagogy often teaches to use "and" only for the decimal point. Given the rules, there is no AU-specific spelling or metric units, making it GREEN.

Verifier: The phrasing "four thousand and twenty-nine" (using "and" before the tens/units in a whole number) is a specific AU/UK convention. In US math pedagogy, "and" is strictly reserved for the decimal point. This requires localization for US students to avoid confusion between the whole number part and the decimal part.

sqn_01JSXY16VTKV0D38ZA0EXTHVZC Localize Units (simple)
Question
A bottle contains $94$ mL of juice. If $7$ mL is poured into a glass, how much juice is left in the bottle?
Answer:
  • 87
Question
A bottle contains $94$ fl oz of juice. If $7$ fl oz is poured into a glass, how much juice is left in the bottle?
Answer:
  • 87

Classifier: The text contains the metric unit "mL" (millilitres), which requires localization to US customary units (e.g., fluid ounces) or at least triggers the units classification per the decision rules.

Verifier: The text contains the metric unit "mL" (millilitres), which requires conversion to US customary units. It is a simple subtraction problem, so simple_conversion is correct.

sqn_01JT28C1VK90Z3TDDH5QH7AP19 Localize Units (simple)
Question
In $\triangle ABC$, $\angle A = 30^\circ$, $BC = 10$ cm, and $AC = 16$ cm. Determine how many distinct triangles can be formed with these measurements.
Answer:
  • 2
Question
In $\triangle ABC$, $\angle A = 30^\circ$, $BC = 10$ in, and $AC = 16$ in. Determine how many distinct triangles can be formed with these measurements.
Answer:
  • 2

Classifier: Contains the metric unit "cm", requiring localization for the US market.

Verifier: Contains metric unit "cm" which requires localization.

sqn_01JT286C4SYSY10TWSFY282V39 Localize Units (simple)
Question
In $\triangle ABC$, $\angle A = 30^\circ$, $BC = 7$ cm, and $AC = 16$ cm. Determine how many distinct triangles can be formed with these measurements.
Answer:
  • 0
Question
In $\triangle ABC$, $\angle A = 30^\circ$, $BC = 7$ in, and $AC = 16$ in. Determine how many distinct triangles can be formed with these measurements.
Answer:
  • 0

Classifier: Contains the metric unit "cm" (centimetres/centimeters), which requires localization to US customary units or a decision on metric usage in US curriculum. Per decision rules, any metric unit triggers a RED category.

Verifier: Contains metric unit "cm" which requires localization.

sqn_01JT2955F9MRTBCED6T2DMNRY5 Localize Units (simple)
Question
In $\triangle ABC$, $\angle B = 10^\circ$, $AC = 3$ m, and $BC = 9$ m. Determine how many distinct triangles can be formed with these measurements.
Answer:
  • 2
Question
In $\triangle ABC$, $\angle B = 10^\circ$, $AC = 3$ ft, and $BC = 9$ ft. Determine how many distinct triangles can be formed with these measurements.
Answer:
  • 2

Classifier: The text contains the metric unit "m" (metres) in a measurement context ("3 m", "9 m"), which requires localization.

Verifier: The text contains the metric unit "m" (metres), which requires localization. The conversion is simple as it involves side lengths in a triangle geometry problem.

sqn_01JT28STRMGFTF3WVJD1FVTHR7 Localize Units (simple)
Question
In triangle $\text{ABC}$, $\angle A=30^\circ, BC=20$ cm and $AC=16$ cm. If one distinct triangle exists, find the measure of $\angle B$.
Answer:
  • 24
Question
In triangle $\text{ABC}$, $\angle A=30^\circ, BC=20$ in and $AC=16$ in. If one distinct triangle exists, find the measure of $\angle B$.
Answer:
  • 24

Classifier: Contains the metric unit "cm", requiring localization for the US market.

Verifier: Contains metric unit "cm" which requires localization.

sqn_01JT29122ND1FQDEK6NJ4HEH8E Localize Units (simple)
Question
In $\triangle ABC$, $\angle A = 35^\circ$, $BC = 2$ cm, and $AC = 5$ cm. Determine how many distinct triangles can be formed with these measurements.
Answer:
  • 0
Question
In $\triangle ABC$, $\angle A = 35^\circ$, $BC = 2$ in, and $AC = 5$ in. Determine how many distinct triangles can be formed with these measurements.
Answer:
  • 0

Classifier: The text contains the metric unit "cm" (centimetres), which requires localization to US customary units or a non-metric context per the decision rules.

Verifier: The text contains the metric unit "cm" (centimetres), which requires localization to US customary units. The conversion is simple as it involves side lengths in a triangle geometry problem.

sqn_01JTT191883329HYE5MPCK6S01 Localize Spelling (AU-US)
Question
Factorise $3x-6$
Answer:
  • 3({x}-2)
Question
Factor $3x-6$
Answer:
  • 3({x}-2)

Classifier: Contains the AU spelling "Factorise", which needs to be localized to the US spelling "Factorize".

Verifier: Contains the AU spelling "Factorise", which requires localization to "Factorize".

sqn_01JTJHFB6H6CQNXQG1MTDPWD2F Localize Terminology
Question
Matthew invested $\$2500$ for a total of $6$ years. For the first $2$ years, it earns $4.5\%$ p.a. compounded annually. For the next $4$ years, it earns $6.5\%$ p.a. compounded semi-annually. What is the final amount?
Answer:
  • 3526.09
Question
Matthew invested $\$2500$ for a total of $6$ years. For the first $2$ years, it earns $4.5\%$ APR compounded annually. For the next $4$ years, it earns $6.5\%$ APR compounded semi-annually. What is the final amount?
Answer:
  • 3526.09

Classifier: The text uses "p.a." (per annum), which is standard in AU/UK financial contexts but is typically replaced with "per year" or "annually" in US K-12 math contexts. While "compounded annually" is used later, "p.a." is a specific abbreviation common in AU curricula.

Verifier: The text uses "p.a." (per annum), which is a specific abbreviation common in AU/UK financial contexts but not standard in US K-12 math, where "per year" is preferred.

sqn_01JT2A3YJY1CA8YBGWG1G2VRQY Localize Units (simple)
Question
In triangle $\text{ABC}$, $\angle A=45^\circ,BC=8$ cm and $AC=10$ cm. If $\angle B$ is an acute angle, then find the measure of $\angle B$.
Answer:
  • 62.1
Question
In triangle $\text{ABC}$, $\angle A=45^\circ,BC=8$ in and $AC=10$ in. If $\angle B$ is an acute angle, then find the measure of $\angle B$.
Answer:
  • 62.1

Classifier: The text contains the metric unit "cm" (centimetres), which requires localization.

Verifier: The text contains the metric unit "cm" (centimetres), which requires localization. The conversion is simple as it involves side lengths in a triangle geometry problem.

sqn_01JTT1DHHVEWAAS37YFX9Z2KSW Localize Spelling (AU-US)
Question
Factorise $4y-12$
Answer:
  • 4({y}-3)
Question
Factor $4y-12$
Answer:
  • 4({y}-3)

Classifier: The word "Factorise" uses the AU/UK 's' spelling; the US equivalent is "Factorize".

Verifier: The word "Factorise" is the AU/UK spelling. The US spelling is "Factorize". Per rule 1, AU spelling always requires RED classification.

sqn_01JTKZCP26SVWHN6VPHFQ4G0E2 Localize Terminology
Question
An investor deposits $\$8000$ at $6\%$ p.a. simple interest. After $2$ years, they withdraw $25\%$ of the balance. The rest earns interest for another $3$ years. What is the final amount after $5$ years?
Answer:
  • 7929.60
Question
An investor deposits $\$8000$ at $6\%$ APR simple interest. After $2$ years, they withdraw $25\%$ of the balance. The rest earns interest for another $3$ years. What is the final amount after $5$ years?
Answer:
  • 7929.60

Classifier: Contains "p.a." (per annum), which is the standard AU notation for interest rates.

Verifier: Contains "p.a." (per annum), which is the standard AU notation for interest rates in a school context.

sqn_01JTKZ2RXRZ4TZ6KFGRKWMCTBS Localize Terminology
Question
A sum of money is invested at $5\%$ p.a. simple interest for $3$ years, then at $6.5\%$ p.a. for the next $2$ years. If the final value of the investment is $\$1425$, what was the original principal?
Answer:
  • 1113.28
Question
A sum of money is invested at $5\%$ APR simple interest for $3$ years, then at $6.5\%$ APR for the next $2$ years. If the final value of the investment is $\$1425$, what was the original principal?
Answer:
  • 1113.28

Classifier: Contains "p.a." (per annum), which is the standard AU notation for interest rates, whereas US curriculum typically uses "per year" or "annual interest rate".

Verifier: Contains "p.a." (per annum), which is the standard AU notation for interest rates in a school context.

sqn_01JTT1BFV1PBF5WBKB54TR4HQN Localize Spelling (AU-US)
Question
Factorise $2y+10$
Answer:
  • 2({y}+5)
Question
Factor $2y+10$
Answer:
  • 2({y}+5)

Classifier: The word "Factorise" uses the AU/UK 's' spelling; the US equivalent is "Factorize".

Verifier: The word "Factorise" is the AU/UK spelling. The US spelling is "Factorize". Per rule 1, AU spelling always requires RED classification.

sqn_01JTSTA7QFD452KHDK4Y7R1MT0 Localize Units (simple)
Question
A rock has a mass of $90$ g and a volume of $3$ cm$^3$. What is its density?
Answer:
  • 30
Question
A rock has a mass of $90$ oz and a volume of $3$ in$^3$. What is its density?
Answer:
  • 30

Classifier: The question contains metric units (grams and cubic centimeters) which require localization to US customary units or a decision on metric pedagogy in a US context. Per rule 1, any metric unit found anywhere prevents a GREEN classification.

Verifier: The question contains metric units (g, cm^3) which require conversion for US localization.

sqn_01JTKZJN2DXWXYHWB0023Y68DZ Localize Terminology
Question
An investment grows to $\$1680$ after $4$ years of simple interest. The rate was $3.5\%$ p.a. for the first year and $4.5\%$ p.a. for the next $3$ years. What was the original amount invested?
Answer:
  • 1435.90
Question
An investment grows to $\$1680$ after $4$ years of simple interest. The rate was $3.5\%$ APR for the first year and $4.5\%$ APR for the next $3$ years. What was the original amount invested?
Answer:
  • 1435.90

Classifier: Contains "p.a." (per annum), which is the standard AU notation for interest rates.

Verifier: Contains "p.a." (per annum), which is the standard AU notation for interest rates in a school context.

sqn_01JTQP7S5CHENNR4Y5J6E4AR39 Localize Terminology
Question
Isabelle invests $\$8000$ at $4.2\%$ p.a., compounded daily for $2$ years. Then, she reinvests the total at the same rate, compounded annually for $3$ more years. How much interest does she earn over the $5$ years?
Answer:
  • 1844.00
Question
Isabelle invests $\$8000$ at $4.2\%$ APR, compounded daily for $2$ years. Then, she reinvests the total at the same rate, compounded annually for $3$ more years. How much interest does she earn over the $5$ years?
Answer:
  • 1844.00

Classifier: The term "p.a." (per annum) is standard in AU financial contexts but is much less common in US K-12/undergraduate math, where "per year" or "annually" is preferred. More importantly, "p.a." is a strong indicator of AU/UK source material.

Verifier: The abbreviation "p.a." (per annum) is a standard Australian/British financial term that is not commonly used in US K-12 mathematics, where "per year" or "annually" is preferred.

sqn_01JTQPHPM8E0BBMJ8CJKPB95GG Localize Terminology
Question
Ryan deposits $\$15000$ at $6\%$ p.a., compounded semiannually for $2$ years, then monthly for the next $3$ years. How much interest does he earn in total after $5$ years?
Answer:
  • 5203.12
Question
Ryan deposits $\$15000$ at $6\%$ APR, compounded semiannually for $2$ years, then monthly for the next $3$ years. How much interest does he earn in total after $5$ years?
Answer:
  • 5203.12

Classifier: Contains "p.a." (per annum), which is the standard AU abbreviation for interest rates, whereas US curriculum typically uses "per year" or "annual interest rate".

Verifier: The use of "p.a." for interest rates is a specific terminology marker for AU/UK contexts.

sqn_01JV1TWDBRBVKX2PEZ24VTDSZN Localize Units (simple)
Question
A gardener uses $0.125$ kg of fertiliser per square metre. She fertilises $1000$ m$^2$ of the garden. How much fertiliser does she use in total?
Answer:
  • 125
Question
A gardener uses $0.125$ lbs of fertilizer per square foot. She fertilizes $1000$ ft$^2$ of the garden. How much fertilizer does she use in total?
Answer:
  • 125

Classifier: The text contains metric units (kg, m^2) and AU-specific spelling ("fertiliser", "metre"). Per the decision rules, the presence of metric units takes precedence for classification.

Verifier: The text contains metric units ("kg", "m$^2$") and AU spelling ("fertiliser", "metre"). Per rule 5, units conversion is the most impactful change.

sqn_01JV3NX6ZK13E8S909FWMH6ZWG Localize Units (simple)
Question
A particle's speed is measured as $0.00087463$ m/s. What is this value rounded to $3$ significant figures?
Answer:
  • 0.000875
Question
A particle's speed is measured as $0.00087463$ ft/s. What is this value rounded to $3$ significant figures?
Answer:
  • 0.000875

Classifier: The text contains a metric unit (m/s). Per the decision rules, any metric unit found anywhere in the text triggers a units classification.

Verifier: Contains metric unit "m/s" which requires localization to US customary units (e.g., ft/s) per decision rule 3.

sqn_01JV1VFP4D4EDDNXTYQCPA2BM3 Localize Units (simple)
Question
A printer cartridge holds $2.35$ millilitres of ink. It is used evenly across $1000$ pages. How many millilitres of ink is used per page?
Answer:
  • 0.00235
Question
A printer cartridge holds $2.35$ fluid ounces of ink. It is used evenly across $1000$ pages. How many fluid ounces of ink is used per page?
Answer:
  • 0.00235

Classifier: The text contains metric units ("millilitres", "mL"). Even though the math is a simple division by 1000, the presence of metric units requires localization to US customary units or a check against US science/math standards.

Verifier: The text contains metric units ("millilitres", "mL"), which requires RED classification under rule 3.

sqn_01JV3SYT3R9D73QJKHN4H907TY Localize Cultural refs
Question
An account offers an annual interest rate of $10.65\%$, compounded fortnightly. What is the equivalent weekly interest rate?
Answer:
  • 0.2
Question
An account offers an annual interest rate of $10.65\%$, compounded every two weeks. What is the equivalent weekly interest rate?
Answer:
  • 0.2

Classifier: While "fortnightly" is more common in AU/UK, it is a valid English term understood in financial contexts globally and does not strictly require localization like spelling or units do. No other AU-specific markers are present.

Verifier: The term "fortnightly" is a distinct AU/UK cultural/linguistic marker for a 2-week period. While understood by some in the US, it is not standard US terminology for financial problems (where "bi-weekly" or "every two weeks" is used) and should be flagged for localization under cultural/terminology rules.

sqn_01JV67DHHEDP0T9TGH174J86XX Localize Units (simple)
Question
Fill in the blank: $1$ litre : $250$ millilitres $= [?] : 1$
Answer:
  • 4
Question
Fill in the blank: $1$ gallon : $250$ fluid ounces $= [?] : 1$
Answer:
  • 4

Classifier: Contains metric units ("litre", "millilitres") and the AU spelling "litre". Per decision rules, any metric unit requires at least simple conversion, and units take precedence over spelling.

Verifier: Contains metric units ("litre", "millilitres") and AU spelling ("litre"). Metric units require RED classification.

sqn_01JV67KDH59Y4RW7K0FZASRTM4 Localize Units (simple)
Question
Fill in the blank: $400$ cm : $2$ m $= [?] : 1$
Answer:
  • 2
Question
Fill in the blank: $400$ in : $2$ ft $= [?] : 1$
Answer:
  • 16.6666666667

Classifier: Contains metric units ("cm", "m"). Per decision rules, any metric unit found anywhere in the text requires localization.

Verifier: Contains metric units ("cm", "m"). Any metric unit requires RED classification.

sqn_01JV3HCJRNVJCZ0ZC931FAC6N9 Localize Units (simple)
Question
A scientist poured $32.5$ mL of liquid into a beaker. Then, she removed $7.8$ mL for a test and later added $14.65$ mL of another solution. After that, $9.25$ mL evaporated. What is the final volume of liquid in the beaker?
Answer:
  • 30.1
Question
A scientist poured $32.5$ fl oz of liquid into a beaker. Then, she removed $7.8$ fl oz for a test and later added $14.65$ fl oz of another solution. After that, $9.25$ fl oz evaporated. What is the final volume of liquid in the beaker?
Answer:
  • 30.1

Classifier: The text contains metric units (mL) which require conversion to US customary units for a US audience.

Verifier: Contains metric units (mL) which require conversion for US localization.

sqn_01JX8B3JSEW47JTC8AST8ZV1D3 Localize Spelling (AU-US)
Question
A licence plate uses $2$ letters (A–B) and $2$ digits (0–1). How many different plates can be made?
Answer:
  • 16
Question
A license plate uses $2$ letters (A–B) and $2$ digits (0–1). How many different plates can be made?
Answer:
  • 16

Classifier: Contains the AU spelling "licence", which needs to be localized to the US spelling "license".

Verifier: The text contains "licence", which is the AU/British spelling for the noun form (US: license).

sqn_01JXFG22ZZHA9SJ1EWRKBFF5QF Localize Terminology
Question
Find the turning point of the parabola $y=7x^2-13x+\frac{17}{2}$. Write all fractions in simplest form.
Answer:
  • (\frac{13}{14},\frac{69}{28})
Question
Find the vertex of the parabola $y=7x^2-13x+ rac{17}{2}$. Write all fractions in simplest form.
Answer:
  • (\frac{13}{14},\frac{69}{28})

Classifier: Uses the AU/UK term "turning point", which maps to "vertex" in US school mathematics.

Verifier: The term "turning point" is the standard AU/UK term for what is called the "vertex" of a parabola in US school mathematics.

sqn_01JXFFSYKDJRWGF5SMW10ZKFZK Localize Terminology
Question
Find the sum of the coordinates at the turning point of the given parabola: $y=0.5x^2+4x-\frac{25}{4}$
Answer:
  • -18.25
Question
Find the sum of the coordinates at the vertex of the given parabola: $y=0.5x^2+4x-\frac{25}{4}$
Answer:
  • -18.25

Classifier: Uses the AU/UK term "turning point", which maps to "vertex" in US school mathematics.

Verifier: The term "turning point" is the standard AU/UK term for what is called the "vertex" of a parabola in US school mathematics.

sqn_01JW7GMX32ZABQSBDGV5GS87RZ Review Policy
Question
A school records the following data for each student: their height, the number of books borrowed per term, and the number of extracurricular activities attended. How many of these variables are discrete?
Answer:
  • 2
Question
A school records the following data for each student: their height, the number of books borrowed per semester, and the number of extracurricular activities attended. How many of these variables are discrete?
Answer:
  • 2

Classifier: The text uses the word "term" in a school context ("borrowed per term"). While "term" is used in the US, "semester" or "quarter" are often preferred depending on the specific school system or regional policy. Per decision rules, this maps to the GRAY category for policy-dependent terms.

Verifier: The use of "term" in a school context is a policy-dependent localization point (often replaced by "semester" or "quarter" in the US), which maps to the GRAY category.

sqn_01JX480TR5NX4XSB5TPKYCWNXD Localize Units (simple)
Question
The density of a material is $0.000768531$ g/cm$^3$. Express this density to $5$ significant figures.
Answer:
  • 0.00076853
Question
The density of a material is $0.000768531$ oz/in$^3$. Express this density to $5$ significant figures.
Answer:
  • 0.00076853

Classifier: The text contains metric units ("g/cm^3"). According to the decision rules, any metric unit found anywhere in the text requires classification into a units category.

Verifier: The text contains the metric unit "g/cm^3". Per rule 3, any metric unit requires at least RED.units_simple_conversion. Since it is a single value being rounded, simple conversion is appropriate.

sqn_01JW3PKYXADQNGGMJNM0MF2D67 Localize Spelling (AU-US)
Question
A right circular cylinder has height equal to its base radius. Point $V$ lies halfway up the side, directly above a point on the base edge. Point $P$ is the centre of the top face. What is the angle between segment $VP$ and the cylinder's base?
Answer:
  • 26.6
Question
A right circular cylinder has height equal to its base radius. Point $V$ lies halfway up the side, directly above a point on the base edge. Point $P$ is the center of the top face. What is the angle between segment $VP$ and the cylinder's base?
Answer:
  • 26.6

Classifier: Contains the AU spelling "centre" which needs to be localized to "center".

Verifier: Contains the AU spelling "centre" which requires localization to "center".

sqn_01JX486AFB6ED8Y2EMPWQSZ0JP Localize Units (simple)
Question
The volume of a container is measured as $0.004327$ m$^3$ Express this value to $3$ significant figures.
Answer:
  • 0.00433
Question
The volume of a container is measured as $0.004327$ ft$^3$ Express this value to $3$ significant figures.
Answer:
  • 0.00433

Classifier: The text contains the metric unit "m^3" (cubic metres) in both the content and the suffix field.

Verifier: The text contains the metric unit "m^3" (cubic metres). Per rule 3, this requires a units classification.

sqn_01JVRZSW9EF9XX0PEYG3RG2FCH Localize Units (simple)
Question
The function $h(t)=−5t^2+18t+2$ describes the height of a projectile in metres, $t$ seconds after launch. What is the instantaneous rate of change of height at $t=3$ seconds?
Answer:
  • -12
Question
The function $h(t)=−5t^2+18t+2$ describes the height of a projectile in feet, $t$ seconds after launch. What is the instantaneous rate of change of height at $t=3$ seconds?
Answer:
  • -12

Classifier: The text contains the metric unit "metres" (which also has AU spelling) and the unit "m/s". Per the decision rules, any metric unit requires classification into a units category, and units take precedence over spelling.

Verifier: The text contains the metric unit "metres" (AU spelling) and "m/s". While there is a function $h(t)$, it is a simple quadratic and the question asks for a rate of change at a point, which is a straightforward calculation. It does not meet the threshold for "complex" (5+ interlinked values or re-deriving coefficients).

sqn_01JW2H9C479THA0HPERPBC7BTM Localize Spelling (AU-US)
Question
At a car service centre, $58\%$ of vehicles are petrol and $42\%$ are diesel. $12\%$ of petrol vehicles and $23\%$ of diesel vehicles need a brake replacement. Using a tree diagram, what is the probability that a vehicle is diesel given it needs a brake replacement?
Answer:
  • 0.58
Question
At a car service center, $58\%$ of vehicles are gasoline and $42\%$ are diesel. $12\%$ of gasoline vehicles and $23\%$ of diesel vehicles need a brake replacement. Using a tree diagram, what is the probability that a vehicle is diesel given it needs a brake replacement?
Answer:
  • 0.58

Classifier: Contains the AU spelling "centre" which requires conversion to the US spelling "center". While "petrol" is often localized to "gasoline", it is frequently treated as a spelling/vocabulary preference; however, "centre" is a definitive spelling-only trigger.

Verifier: The text contains "centre" (AU spelling) and "petrol" (AU terminology). Per the decision rules, "centre" is a definitive spelling-only trigger for RED.spelling_only.

sqn_01JWN5HNRN35YFDWSSE3FSV7RG Localize Units (simple)
Question
A $40$ m cable stretches from the top of a tower to a point on the ground. A point $40\%$ lower than the top of the tower is $18$ metres above the ground. Determine the angle, in degrees, between the ground and the cable.
Answer:
  • 49
Question
A $40$ ft cable stretches from the top of a tower to a point on the ground. A point $40\%$ lower than the top of the tower is $18$ feet above the ground. Determine the angle, in degrees, between the ground and the cable.
Answer:
  • 49

Classifier: The text contains the metric unit "m" and the AU-specific spelling/unit "metres". Per decision rules, any metric unit requires classification into a units category, and units take precedence over spelling.

Verifier: The text contains metric units ("m" and "metres"). Per rule 3, any metric unit requires at least RED.units_simple_conversion. The calculation is a straightforward trigonometric problem, making simple conversion appropriate.

sqn_01JW7THNMFX2BKP729CXQ4HY8X Localize Units (simple)
Question
The length of a rectangle is $6$ cm more than its width. If its area is $160$ cm$^2$, what is the length?
Answer:
  • 16
Question
The length of a rectangle is $6$ in more than its width. If its area is $160$ in$^2$, what is the length?
Answer:
  • 16

Classifier: The text contains metric units ("cm" and "cm$^2$") which require localization to US customary units or a decision on metric pedagogy. Per rule 1, any metric unit disqualifies GREEN.

Verifier: The question contains metric units ("cm" and "cm$^2$"). Per rule 3, any metric unit requires at least RED.units_simple_conversion.

sqn_01JX0H1KGWFWDPYX0TW1MPHVMS Localize Cultural refs
Question
A pair of shoes is priced at $\$40$. The label says this includes $\$4$ GST. How much will a customer pay for the pair of shoes?
Answer:
  • 40
Question
A pair of shoes is priced at $\$40$. The label says this includes $\$4$ sales tax. How much will a customer pay for the pair of shoes?
Answer:
  • 40

Classifier: Contains 'GST' (Goods and Services Tax), which is the specific tax terminology for Australia/New Zealand. In a US context, this would typically be 'sales tax'.

Verifier: Contains "GST" (Goods and Services Tax), which is a specific tax term used in Australia and New Zealand, requiring localization to "sales tax" for a US audience.

sqn_01JX0GRRZT1GFS1A0FM4CP60ZE Localize Units (simple)
Question
A water tank contains $85$ litres of water. If $8$ litres are used, how much water is left in the tank?
Answer:
  • 77
Question
A water tank contains $85$ gallons of water. If $8$ gallons are used, how much water is left in the tank?
Answer:
  • 77

Classifier: Contains the metric unit 'litres' with AU spelling. Per decision rules, any metric unit requires at least simple conversion.

Verifier: Contains the metric unit "litres" (AU spelling). Per rule 3, any metric unit requires at least RED.units_simple_conversion.

sqn_01JW4X7KTTQ49JPT4KKQ9G19T9 Localize Spelling (AU-US)
Question
A rectangular prism has a square base. the height of the prism is twice the length of a side of the base. If $O$ is the centre of the base and $P$ is the top corner directly above a base vertex, find the angle between $OP$ and the base.
Answer:
  • 70.5
Question
A rectangular prism has a square base. The height of the prism is twice the length of a side of the base. If $O$ is the center of the base and $P$ is the top corner directly above a base vertex, find the angle between $OP$ and the base.
Answer:
  • 70.5

Classifier: The text contains the Australian spelling "centre", which needs to be localized to the US spelling "center".

Verifier: The text contains "centre", which is the Australian/British spelling. Per Rule 1, this requires RED classification.

sqn_01JXC7AZW39YQ772CFRH7X0ZNF Localize Units (simple)
Question
$250$g of a laundry powder mix is made using chemicals in the ratio $800$ mg $: 0.002 $ kg $: x $ g. Find the value of $x$ in grams.
Answer:
  • 247.2
Question
$250$ oz of a laundry powder mix is made using chemicals in the ratio $800$ mg $: 0.002 $ lb $: x $ oz. Find the value of $x$ in ounces.
Answer:
  • 247.2

Classifier: Contains multiple metric units (g, mg, kg) which require localization.

Verifier: The text contains metric units (g, mg, kg). According to the decision rules, any metric unit found anywhere requires at least RED.units_simple_conversion.

sqn_01JX4838WPEG1C9DT5P6X4WQMF Localize Units (simple)
Question
The measured length of a metal rod is $500.073$ mm Express this length to $3$ significant figures.
Answer:
  • 500
Question
The measured length of a metal rod is $500.073$ in Express this length to $3$ significant figures.
Answer:
  • 500

Classifier: The text contains the metric unit "mm" (millimetres) in both the content and the suffix field.

Verifier: The text contains the metric unit "mm" (millimetres). Per rule 3, this requires a units classification.

sqn_01JW4VZAQQ02J1YVW0V8WAMSSA Localize Units (simple)
Question
A triangular prism has a right-angled triangle base with $\angle C = 90^\circ$, $AC = 6$ cm, and $BC = 8$ cm. The hypotenuse $AB$ equals the height of the prism. Let $O$ be the midpoint of $AB$, and $P$ the top vertex above $C$. What is the angle between $OP$ and the base?
Answer:
  • 63.4
Question
A triangular prism has a right triangle base with $\angle C = 90^\circ$, $AC = 6$ in, and $BC = 8$ in. The hypotenuse $AB$ equals the height of the prism. Let $O$ be the midpoint of $AB$, and $P$ the top vertex above $C$. What is the angle between $OP$ and the base?
Answer:
  • 63.4

Classifier: Contains metric units ("cm") and AU terminology ("right-angled triangle"). Per the decision rules, units conversion takes precedence over terminology.

Verifier: Contains metric units ("cm") and AU terminology ("right-angled triangle"). Per rule 5, units conversion takes precedence over terminology.

sqn_01JXC6ZZHTJ1EXGB2BS8QKNTWW Localize Units (simple)
Question
A drink recipe uses the ratio $x$ mL $: 0.75$ L $: 500 $ mL, where the total volume is $2250$ mL. Find the value of $x$, in mL, that makes the ratio a set of whole numbers in simplest form.
Answer:
  • 1000
Question
A drink recipe uses the ratio $x$ fl oz $: 0.75$ gal $: 500 $ fl oz, where the total volume is $2250$ fl oz. Find the value of $x$, in fl oz, that makes the ratio a set of whole numbers in simplest form.
Answer:
  • 1000

Classifier: Contains multiple metric units (mL, L) which require localization to US customary units or a decision on metric pedagogy. Per rule 1, any metric unit disqualifies GREEN.

Verifier: The text contains metric units (mL, L). According to the decision rules, any metric unit found anywhere requires at least RED.units_simple_conversion.

sqn_01JXC481NSSZRMYY4F1GKDQNFQ Localize Units (simple)
Question
A mass of $78.914$ g is heated from $21.5^\circ$C to $28.3^\circ$C. The heat energy transferred can be calculated by using the formula $q = mc\Delta T$, where $c = 4.18$ $Jg^{\circ}C$. How many significant figures should $q$ have to maintain accuracy?
Hint: The final result should have the same number of significant figures as the least precise value in the equation.
Answer:
  • 2
Question
A mass of $78.914$ oz is heated from $21.5^\circ$F to $28.3^\circ$F. The heat energy transferred can be calculated by using the formula $q = mc\Delta T$, where $c = 4.18$ $J/oz^{\circ}F$. How many significant figures should $q$ have to maintain accuracy?
Hint: The final result should have the same number of significant figures as the least precise value in the equation.
Answer:
  • 2

Classifier: The text contains multiple metric units (grams, degrees Celsius, Joules per gram degree Celsius). According to the decision rules, any metric unit found anywhere in the text requires classification into a units category.

Verifier: The text contains metric units (grams, Celsius, Joules). While it is a science context, the decision rules state that any metric unit requires a RED classification. It is simple conversion as it involves identifying significant figures rather than complex re-derivation of metric-dependent formulas.

sqn_01JXFGDY88W5TF5M6MAACCADRE Localize Terminology
Question
Given $y=-\frac{1}{2}x^2+3x-\frac{1}{2}$, what is the reciprocal of the $x$-coordinate of the turning point?
Answer:
  • \frac{1}{3}
Question
Given $y=-\frac{1}{2}x^2+3x-\frac{1}{2}$, what is the reciprocal of the $x$-coordinate of the vertex?
Answer:
  • \frac{1}{3}

Classifier: Uses the AU/UK term "turning point", which maps to "vertex" in US school mathematics.

Verifier: The term "turning point" is the standard AU/UK term for what is called the "vertex" of a parabola in US school mathematics.

sqn_01JXHZ1RN3YQ4HTSD13PVDBMVS Localize Terminology
Question
The turning point of a quadratic is at $x=1$, and the graph passes through the point $(3,5)$. If the quadratic is of the form $y=a(x-1)^2+k$, what is the value of $a$?
Answer:
  • 0.5
Question
The vertex of a quadratic is at $x=1$, and the graph passes through the point $(3,5)$. If the quadratic is of the form $y=a(x-1)^2+k$, what is the value of $a$?
Answer:
  • 0.5

Classifier: The term "turning point" is used to describe the vertex of a quadratic, which is specific to AU/UK terminology. In the US, "vertex" is the standard term.

Verifier: The term "turning point" is used to describe the vertex of a quadratic, which is specific to AU/UK terminology.

sqn_01JXHW58WP303S7QESACYSXHHP Localize Spelling (AU-US)
Question
The expression $18x^2+px-12$ can be factorised using the cross method. If one factor is $(6x+1)$, what is the value of $p$?
Answer:
  • -69
Question
The expression $18x^2+px-12$ can be factored using the cross method. If one factor is $(6x+1)$, what is the value of $p$?
Answer:
  • -69

Classifier: The word "factorised" uses the AU/UK 's' spelling and needs to be converted to the US 'z' spelling ("factorized").

Verifier: The word "factorised" is AU/UK spelling and requires localization to "factorized" for US context.

sqn_01JXHYY4KJEGDJF5TN5YV6XQPC Localize Terminology
Question
Convert the quadratic expression $\sqrt{2}x^2-6\sqrt{2}x+11$ into turning point form.
Answer:
  • ((\sqrt{2}\cdot(({x}-3)^{2}))+11-9\cdot\sqrt{2})
Question
Convert the quadratic expression $\sqrt{2}x^2-6\sqrt{2}x+11$ into vertex form.
Answer:
  • ((\sqrt{2}\cdot(({x}-3)^{2}))+11-9\cdot\sqrt{2})

Classifier: The term "turning point form" is standard in AU/UK curriculum for what is known as "vertex form" in the US.

Verifier: The term "turning point form" is AU/UK terminology for what is called "vertex form" in the US.

sqn_01JXVJJ6TM1606R6N2ME12VFF8 Localize Terminology
Question
Convert the quadratic expression $\sqrt{3}x^2-4\sqrt{3}x+7$ into turning point form.
Answer:
  • \sqrt{3}({x}-2)^{2}+7-4\sqrt{3}
Question
Convert the quadratic expression $\sqrt{3}x^2-4\sqrt{3}x+7$ into vertex form.
Answer:
  • \sqrt{3}({x}-2)^{2}+7-4\sqrt{3}

Classifier: The term "turning point form" is used, which requires localization to "vertex form" for a US audience.

Verifier: The term "turning point form" is used, which requires localization to "vertex form" for a US audience.

sqn_01JXVJPXA9HP6DW8ZQ958A9ABJ Localize Terminology
Question
The turning point of a quadratic is at $x=-3$ , and the graph passes through the point $(-1,2)$. If the quadratic is of the form $y=a(x+3)^2+1$, what is the value of $a$?
Answer:
  • \frac{1}{4}
Question
The vertex of a quadratic is at $x=-3$ , and the graph passes through the point $(-1,2)$. If the quadratic is of the form $y=a(x+3)^2+1$, what is the value of $a$?
Answer:
  • \frac{1}{4}

Classifier: The term "turning point" is used instead of the US-standard "vertex".

Verifier: The term "turning point" is used instead of the US-standard "vertex".

sqn_01JXVJSKHP68K2K1S585523YTY Localize Terminology
Question
The turning point of a quadratic is at $x=2$ , and the graph passes through the point $(5,11)$. If the quadratic is of the form $y=a(x-2)^2+3$, what is the value of $a$?
Answer:
  • \frac{8}{9}
Question
The vertex of a quadratic is at $x=2$ , and the graph passes through the point $(5,11)$. If the quadratic is of the form $y=a(x-2)^2+3$, what is the value of $a$?
Answer:
  • \frac{8}{9}

Classifier: The term "turning point" is standard AU/UK terminology for the vertex of a quadratic function. In a US context, "vertex" is the preferred term.

Verifier: The term "turning point" is the standard Australian/British term for the vertex of a parabola. In US curriculum, "vertex" is almost exclusively used.

sqn_01JYGE7SNEGVQZ6B1XZZHHBSA2 Localize Units (complex)
Question
The height of a ball is modelled by $h = -5t² + 20t + 2$, where t is time in seconds. What is the maximum height the ball reaches?
Answer:
  • 22
Question
The height of a ball is modeled by $h = -16t² + 64t + 6$, where t is time in seconds. What is the maximum height the ball reaches?
Answer:
  • 70

Classifier: The suffix "m" indicates metres, a metric unit. This requires localization to US customary units (feet).

Verifier: The question contains a physics-based quadratic equation h = -5t² + 20t + 2 where the coefficient -5 represents half of the acceleration due to gravity (approx 9.8 m/s²). Converting the unit "m" to "ft" requires changing the coefficients of the equation (e.g., to -16t² for feet), which falls under RED.units_complex_converted.

sqn_01JYGEA1SPGB1XZ3SF94VXDDBX Localize Units (simple)
Question
The speed of a cyclist is given by $S = -x² + 12x$, where $x$ is effort level. What is the maximum speed?
Answer:
  • 36
Question
The speed of a cyclist is given by $S = -x² + 12x$, where $x$ is effort level. What is the maximum speed?
Answer:
  • 36

Classifier: The suffix "m/s" (metres per second) is a metric unit of speed, requiring localization for a US audience.

Verifier: The suffix "m/s" (metres per second) is a metric unit of speed. Unlike the previous gravity problem, this equation is a generic model for "effort level" and does not rely on physical constants, making it a simple unit conversion.

sqn_01JYE59N0D89FDDABQAM95K513 Localize Units (simple)
Question
Fill in the blank: A cyclist rides $5$ km every day. After $14$ days, the total distance travelled will be $[?]$ km.
Answer:
  • 70
Question
Fill in the blank: A cyclist rides $5$ mi every day. After $14$ days, the total distance traveled will be $[?]$ mi.
Answer:
  • 70

Classifier: The text contains the metric unit "km" (kilometres), which requires localization to US customary units (miles). Note: "travelled" is also AU spelling (US: traveled), but units take precedence.

Verifier: The text contains the metric unit "km" (kilometres) and the AU spelling "travelled" (US: traveled). Metric units require conversion to US customary units.

sqn_01JYE5BB9A96AWB8A4K7B4JGCT Localize Units (simple)
Question
Fill in the blank: A water tank is filled at a constant rate of $8$ litres per hour. After $6$ hours, the tank will have received an additional $[?]$ litres.
Answer:
  • 48
Question
Fill in the blank: A water tank is filled at a constant rate of $8$ gallons per hour. After $6$ hours, the tank will have received an additional $[?]$ gallons.
Answer:
  • 48

Classifier: The text contains the metric unit "litres", which uses AU spelling and requires conversion to US customary units (gallons or liters). Units take precedence over spelling.

Verifier: The text contains the metric unit "litres", which uses AU spelling and requires conversion to US customary units (gallons/quarts) or US spelling (liters).

sqn_01JYGFVECAFQF0FCAGESJH0SNR Localize Units (simple)
Question
A rectangular billboard is built with $100$ metres of framing. Its area is modelled by $A = -x² + 50x$ What is the maximum area of the billboard?
Answer:
  • 625
Question
A rectangular billboard is built with $100$ feet of framing. Its area is modeled by $A = -x² + 50x$ What is the maximum area of the billboard?
Answer:
  • 625

Classifier: Contains metric units (metres, m^2) and AU-specific spelling (metres). Units conversion takes precedence over spelling.

Verifier: The text contains the metric unit "metres" (AU spelling) and "m$^2$". Metric units require conversion, and the spelling "metres" is AU-specific.

sqn_01JYGFKCBYHQW8VZHVMX183ZK5 Localize Units (simple)
Question
The fuel consumption of a car is modelled by $F = x^2 - 8x + 25$, where $x$ is the speed in tens of km/h. What speed minimises fuel consumption?
Answer:
  • 40
Question
The fuel consumption of a car is modeled by $F = x^2 - 8x + 25$, where $x$ is the speed in tens of mph. What speed minimizes fuel consumption?
Answer:
  • 40

Classifier: Contains metric units (km/h) which require conversion for US localization.

Verifier: The text contains the metric unit "km/h" in both the content and the suffix, which requires conversion for US localization.

sqn_01JYGFS67X8GKY6YPF9PN12NX9 Localize Units (simple)
Question
A rectangular garden is built along a wall and requires fencing on three sides. If $180$ metres of fencing is available, what is the maximum area that can be enclosed?
Answer:
  • 4050
Question
A rectangular garden is built along a wall and requires fencing on three sides. If $180$ feet of fencing is available, what is the maximum area that can be enclosed?
Answer:
  • 4050

Classifier: Contains metric units (metres, m^2) and AU-specific spelling (metres). Units conversion takes precedence over spelling.

Verifier: The text contains the metric unit "metres" (AU spelling) and "m$^2$". Metric units require conversion, and the spelling "metres" is AU-specific.

sqn_01JYGFYYC05XWH8Y1696JGRYKG Localize Units (simple)
Question
The cost of materials for building a box is modelled by $C = 2x^2 - 40x + 300$, where $x$ is the length in cm. What is the minimum cost?
Answer:
  • 100
Question
The cost of materials for building a box is modeled by $C = 2x^2 - 40x + 300$, where $x$ is the length in in. What is the minimum cost?
Answer:
  • 100

Classifier: Contains metric units (cm) which require conversion for US localization.

Verifier: The text contains the metric unit "cm", which requires conversion for US localization.

sqn_01JYGJ1M1P72CTEKWCDZ96DDBR Localize Units (simple)
Question
A rectangular pen is divided into two equal parts with fencing and has a total of $600$ m fencing. If width is $x$, write the area in terms of $x$.
Answer:
  • ({x}\cdot(\frac{(600-(2\cdot{x}))}{3}))
Question
A rectangular pen is divided into two equal parts with fencing and has a total of $600$ ft fencing. If width is $x$, write the area in terms of $x$.
Answer:
  • ({x}\cdot(\frac{(600-(2\cdot{x}))}{3}))

Classifier: The text contains the metric unit "m" (metres) in the context of a measurement ("600 m fencing"). According to the decision rules, any metric unit requires localization.

Verifier: The text contains the metric unit "m" (metres) used for a measurement ("600 m fencing"). Per rule 3, any metric unit requires at least RED.units_simple_conversion.

sqn_01JYGHZ1WKPY89V2HGGTGCS7VC Localize Units (simple)
Question
You are making an open box with a square base and total surface area of $300$ m$^2$. Let the base side length be $x$ and the height be $h$. Write the volume of the box as an expression in terms of $x$.
Answer:
  • {x}\frac{(300-{x}^{2})}{4}
Question
You are making an open box with a square base and total surface area of $300$ ft$^2$. Let the base side length be $x$ and the height be $h$. Write the volume of the box as an expression in terms of $x$.
Answer:
  • {x}\frac{(300-{x}^{2})}{4}

Classifier: Contains metric units (m^2, m^3) which require conversion for US localization.

Verifier: The text contains the metric units "m$^2$" and "m$^3$", which require conversion for US localization.

sqn_01JYGGKNGQ3JYMPGEZ94P2VFGQ Localize Units (simple)
Question
A box has length $10$ m, height $x$ m, and breadth $(x+3)$ m. Write an expression for the volume.
Options:
  • 10{x}^{2}+3{x}
  • 10{x}({x}+3)
Question
A box has length $10$ ft, height $x$ ft, and width $(x+3)$ ft. Write an expression for the volume.
Options:
  • 10{x}^{2}+3{x}
  • 10{x}({x}+3)

Classifier: Contains metric units (m, m^3) which require conversion for US localization.

Verifier: The text contains the metric units "m" and "m$^3$", which require conversion for US localization.

sqn_01JYGJEQQGMF3PT9WB7SZJZGJX Localize Units (simple)
Question
A square garden is surrounded on three sides by fencing, with $60$ m of fencing used. If each fenced side is of length $x$ metres, write an expression for the area $A$.
Answer:
  • {x}^{2}
Question
A square garden is surrounded on three sides by fencing, with $60$ ft of fencing used. If each fenced side is of length $x$ feet, write an expression for the area $A$.
Answer:
  • {x}^{2}

Classifier: The text contains the AU spelling "metres" and metric units "m" and "m$^2$". Units conversion takes precedence.

Verifier: The text contains the AU spelling "metres" and metric units "m" and "m$^2$". Units conversion takes precedence over spelling per rule 5.

sqn_01JYGJ4EWXBFJEZ16H1YEVETWH Localize Units (simple)
Question
A rectangular pen is enclosed by $240$ m of fencing. One side is $x$ metres long. What is the expression for the area $A$ in terms of $x$?
Options:
  • {x}(120-{x})
  • 120{x}-{x}^{2}
Question
A rectangular pen is enclosed by $240$ ft of fencing. One side is $x$ feet long. What is the expression for the area $A$ in terms of $x$?
Options:
  • {x}(120-{x})
  • 120{x}-{x}^{2}

Classifier: The text contains both the AU spelling "metres" and the metric units "m" and "m$^2$". Units conversion takes precedence over spelling.

Verifier: The text contains the AU spelling "metres" and metric units "m" and "m$^2$". Units conversion takes precedence over spelling per rule 5.

sqn_01JYGJNHBR5Q5KJSSQ0SVWVY09 Localize Units (simple)
Question
A rectangular signboard has a width of $x$ metres and its height is twice the width. Write an expression for the area.
Answer:
  • 2{x}^{2}
Question
A rectangular signboard has a width of $x$ feet and its height is twice the width. Write an expression for the area.
Answer:
  • 2{x}^{2}

Classifier: The text contains the AU spelling "metres" and the metric unit "m$^2$". Units conversion takes precedence.

Verifier: The text contains the AU spelling "metres" and the metric unit "m$^2$". Units conversion takes precedence over spelling per rule 5.

sqn_01JYGJKHP6AQ075KCBQ7EAWKFZ Localize Units (simple)
Question
A swimming pool is $30$ m long and $x$ m wide. The path around it is $2$ m wide. Write the area of the path as an expression in simplest form, in terms of $x$.
Answer:
  • 4{x}+136
Question
A swimming pool is $30$ ft long and $x$ ft wide. The path around it is $2$ ft wide. Write the area of the path as an expression in simplest form, in terms of $x$.
Answer:
  • 4{x}+136

Classifier: The text contains metric units "m" and "m$^2$". Any metric unit found anywhere in the text triggers this category.

Verifier: The text contains metric units "m" and "m$^2$". Per rule 3, any metric unit requires at least RED.units_simple_conversion.

sqn_01JZMX3TWTT5C7AT21GK2VNGW3 Localize Spelling (AU-US)
Question
Factorise the following expression: $-x - 3$
Answer:
  • -({x}+3)
Question
Factor the following expression: $-x - 3$
Answer:
  • -({x}+3)

Classifier: The term "Factorise" uses the Australian/British 's' spelling. The US equivalent is "Factorize".

Verifier: The word "Factorise" uses the Australian/British 's' spelling, which requires localization to "Factorize" for US English.

sqn_01JZMX584QF3AN1P0S4E8DME4Z Localize Spelling (AU-US)
Question
Factorise the following expression: $-4 - y$
Answer:
  • -({y}+4)
Question
Factor the following expression: $-4 - y$
Answer:
  • -({y}+4)

Classifier: The term "Factorise" uses the Australian/British 's' spelling. The US equivalent is "Factorize".

Verifier: The word "Factorise" uses the Australian/British 's' spelling, which requires localization to "Factorize" for US English.

sqn_01JYGJS2Z29C2ZKZDN7JEEQEQ1 Localize Units (simple)
Question
A rectangular garden uses $300$ m of fencing for three sides. If width is $x$, write an expression for the area.
Answer:
  • 300{x}-2{x}^{2}
Question
A rectangular garden uses $300$ ft of fencing for three sides. If width is $x$, write an expression for the area.
Answer:
  • 300{x}-2{x}^{2}

Classifier: The text contains metric units "m" and "m$^2$".

Verifier: The text contains metric units "m" and "m$^2$". Per rule 3, any metric unit requires at least RED.units_simple_conversion.

sqn_01JYGKC5J1VXT449YW78PFWRYJ Localize Units (simple)
Question
A farmer has $360$ m of fencing and wants to enclose a rectangle against a barn. If one side is $x$, write an expression for the area.
Answer:
  • 360{x}-2{x}^{2}
Question
A farmer has $360$ ft of fencing and wants to enclose a rectangle against a barn. If one side is $x$, write an expression for the area.
Answer:
  • 360{x}-2{x}^{2}

Classifier: The text contains the metric unit "m" in the context of a measurement ("360 m of fencing").

Verifier: The text contains the metric unit "m" (metres) used for a measurement ("360 m of fencing"). Per rule 3, any metric unit requires at least RED.units_simple_conversion.

sqn_01JYGK91RXR2RGABTCS9EFYRNW Localize Units (simple)
Question
A rectangular banner is to be created with a perimeter of $200$ m. If one side is $x$, write an expression for its area in terms of $x$.
Answer:
  • 100{x}-{x}^{2}
Question
A rectangular banner is to be created with a perimeter of $200$ ft. If one side is $x$, write an expression for its area in terms of $x$.
Answer:
  • 100{x}-{x}^{2}

Classifier: The text contains metric units "m" and "m$^2$".

Verifier: The text contains metric units "m" and "m$^2$". Per rule 3, any metric unit requires at least RED.units_simple_conversion.

sqn_01JZMY9TG1XDVP86SWDQ6DSS0K Localize Spelling (AU-US)
Question
Fully factorise the following expression: $-6x^2 + 12x$
Answer:
  • -6{x}({x}-2)
Question
Completely factor the following expression: $-6x^2 + 12x$
Answer:
  • -6{x}({x}-2)

Classifier: The term "factorise" uses the Australian/British 's' spelling. The US equivalent is "factorize".

Verifier: The word "factorise" uses the Australian/British 's' spelling, which requires localization to "factorize" for US English.

sqn_01JZMYBW1H1E7V02991WHWHRJR Localize Spelling (AU-US)
Question
Fully factorise the following expression: $-8xy + 4x$
Answer:
  • -4{x}(2{y}-1)
Question
Fully factor the following expression: $-8xy + 4x$
Answer:
  • -4{x}(2{y}-1)

Classifier: The term "factorise" uses the Australian/British 's' spelling. The US equivalent is "factorize".

Verifier: The word "factorise" uses the Australian/British 's' spelling, which requires localization to "factorize" for US English.

sqn_01JZT37PSDBQBA5NCZDDTK673S Localize Units (simple)
Question
Fill in the blank: $2.1$ kL $+ 750$ L $=[?]$ L
Answer:
  • 2850
Question
Fill in the blank: $2.1$ gal $+ 750$ fl oz $=[?]$ fl oz
Answer:
  • 1019

Classifier: The question involves arithmetic with metric units (kL and L).

Verifier: The question involves arithmetic with metric units (kL and L).

sqn_01JZT1XRQ6GHMJAJAM5Z2K3HHW Localize Units (simple)
Question
Convert $2$ L into mL.
Answer:
  • 2000
Question
Convert $2$ gal into fl oz.
Answer:
  • 256

Classifier: The question involves converting between metric units (L and mL), which requires localization to US customary units or a decision on metric pedagogy.

Verifier: The question involves metric units (L and mL), which requires localization to US customary units or a decision on metric pedagogy.

sqn_01JZT2C5SVFCQ0A6FM94CHNATE Localize Units (simple)
Question
Convert $30$ L into mL.
Answer:
  • 30000
Question
Convert $30$ gal into fl oz.
Answer:
  • 3840

Classifier: The question involves converting between metric units (L and mL). Any metric unit usage requires localization under the provided rules.

Verifier: The question requires conversion between metric units (L and mL). According to rule 3, any metric unit found requires at least RED.units_simple_conversion.

sqn_01JZT358RM5BQRFN1EPEW9AYZJ Localize Units (simple)
Question
Fill in the blank: $0.003$ ML $+ 4.2$ kL $=[?]$ L
Answer:
  • 7200
Question
Fill in the blank: $0.003$ Mgal $+ 4.2$ kgal $=[?]$ gal
Answer:
  • 7200

Classifier: The question involves arithmetic with multiple metric units (ML, kL, L).

Verifier: The question involves arithmetic with multiple metric units (ML, kL, L). This is a simple conversion/addition task.

sqn_01JZT39446AGHJ5GN9AWCV7SAH Localize Units (simple)
Question
Fill in the blank: $1.5$ ML $- \,\,950$ kL $=[?]$ L
Answer:
  • 550000
Question
Fill in the blank: $1.5$ Mgal $- \,\,950$ kgal $=[?]$ gal
Answer:
  • 550000

Classifier: The question involves arithmetic with multiple metric units (ML, kL, L).

Verifier: The question involves arithmetic with multiple metric units (ML, kL, L).

sqn_01JZT2XD284R86DES8NGFJT59M Localize Units (simple)
Question
Convert $0.65$ L into mL.
Answer:
  • 650
Question
Convert $0.65$ gal into fl oz.
Answer:
  • 83

Classifier: The question involves converting between metric units (L and mL).

Verifier: The question involves metric units (L and mL), which requires localization.

sqn_01K03VY7Q5Q0GWFTARJSXEJNW4 Localize Units (simple)
Question
On a map, the scale is $1$ cm = $2$ km. What distance does a $3$ cm line on the map represent?
Answer:
  • 6
Question
On a map, the scale is $1$ in = $2$ mi. What distance does a $3$ in line on the map represent?
Answer:
  • 6

Classifier: The text contains metric units (cm, km).

Verifier: The text contains metric units (cm, km) which require localization for a US audience.

sqn_01JZT2KTHG97AT4C82QJ34K2AC Localize Units (simple)
Question
Convert $3750$ mL into L.
Answer:
  • 3.75
Question
Convert $3750$ fl oz into gal.
Answer:
  • 29.30

Classifier: The question involves converting between metric units (mL and L).

Verifier: The question involves metric units (mL and L), which requires localization.

sqn_01JZT29BAXWPJ8MA70QY9KPCTP Localize Units (simple)
Question
Convert $5$ L into mL.
Answer:
  • 5000
Question
Convert $5$ gal into fl oz.
Answer:
  • 640

Classifier: The question involves converting between metric units (L and mL), which requires localization.

Verifier: The question involves metric units (L and mL), which requires localization.

sqn_01JZT2W8XW44Z5CMBFXNXZ6YT4 Localize Units (simple)
Question
Convert $4800$ L into kL.
Answer:
  • 4.8
Question
Convert $4800$ fl oz into gal.
Answer:
  • 37.5

Classifier: The question involves converting between metric units (L and kL).

Verifier: The question involves metric units (L and kL), which requires localization.

sqn_01JZT2GMFD2KA6NR4V0S7MT7HQ Localize Units (simple)
Question
Convert $2.6$ L into mL.
Answer:
  • 2600
Question
Convert $2.6$ gal into fl oz.
Answer:
  • 332.8

Classifier: The question involves converting between metric units (L and mL).

Verifier: The question involves metric units (L and mL), which requires localization.

sqn_01JZT2MVMHC0KF7ZGAB4HVXEV6 Localize Units (simple)
Question
Convert $0.95$ kL into L.
Answer:
  • 950
Question
Convert $0.95$ gal into fl oz.
Answer:
  • 122

Classifier: The question involves converting between metric units (kL and L).

Verifier: The question involves metric units (kL and L), which requires localization.

sqn_01JZT25XGJX1B7ERGVM1E0BRX6 Localize Units (simple)
Question
Convert $7000$ mL into L.
Answer:
  • 7
Question
Convert $7000$ fl oz into gal.
Answer:
  • 7

Classifier: The question involves converting between metric units (mL and L), which requires localization.

Verifier: The question involves metric units (mL and L), which requires localization.

sqn_01K073T6HHS1SJMPY82CJDSQH4 Localize Answer set
Question
In a trapezium, two adjacent angles on the same side measure $60^∘$ and $120^∘$. What is the sum of the other two angles?
Answer:
  • 180
Question
In a trapezoid, two adjacent angles on the same side measure $60^∘$ and $120^∘$. What is the sum of the other two angles?
Answer:
  • 180

Classifier: The term "trapezium" is used, which in the US is "trapezoid". This is a terminology change that often affects answer sets or definitions.

Verifier: The term "trapezium" is used, which is the standard AU/UK term for what is called a "trapezoid" in the US. This is a terminology difference that requires localization.

sqn_01K03VWBFW14G1RGGFJB0E66Q5 Localize Units (simple)
Question
A map says $1$ cm represents $1$ km. How many kilometres does $5$ cm on the map represent?
Answer:
  • 5
Question
A map says $1$ in represents $1$ mi. How many miles does $5$ in on the map represent?
Answer:
  • 5

Classifier: The text contains metric units (cm, km) and the AU spelling "kilometres". Units take precedence over spelling.

Verifier: The text contains metric units (cm, km) and the AU spelling "kilometres". Per rule 5, units conversion takes precedence over spelling.

sqn_01K04E0BJ20RM8S2P2KZXCKQT4 Localize Units (simple)
Question
Fill in the blank: If the lengths of three sides of a kite are: $11$ m, $15$ m, and $11$ m, the length of the fourth side is $[?]$
Answer:
  • 15
Question
Fill in the blank: If the lengths of three sides of a kite are: $11$ ft, $15$ ft, and $11$ ft, the length of the fourth side is $[?]$
Answer:
  • 15

Classifier: The text contains the metric unit "m" (metres) used as a unit of measure for the sides of a kite.

Verifier: The text contains the metric unit "m" (metres) in the content and suffix, which requires localization.

sqn_01K09EMTCQ9ZDBDJ3VG16ZMZP0 Localize Spelling (AU-US)
Question
Fully factorise the following expression: $-6xy - 2x$
Answer:
  • -2{x}(3{y}+1)
Question
Fully factor the following expression: $-6xy - 2x$
Answer:
  • -2{x}(3{y}+1)

Classifier: Contains the AU spelling 'factorise', which must be localized to 'factorize' for a US audience.

Verifier: The text contains the AU spelling "factorise", which requires localization to "factorize" for the US locale.

sqn_01K08R740VNAFW1Q348JB2DC89 Localize Units (simple)
Question
A rectangle has a diagonal of length $13$ cm and one side of length $5$ cm. What is the length of the other diagonal?
Answer:
  • 13
Question
A rectangle has a diagonal of length $13$ in and one side of length $5$ in. What is the length of the other diagonal?
Answer:
  • 13

Classifier: The text contains the metric unit "cm".

Verifier: The text contains the metric unit "cm", which requires localization for the US market.

sqn_01K0NSCBEGEFCJHJ29765QWQ3W Localize Units (simple)
Question
Fill in the blank: $4.5$ m$^2 = [?] $ cm$^2$
Answer:
  • 45000
Question
Fill in the blank: $4.5$ ft$^2 = [?] $ in$^2$
Answer:
  • 648

Classifier: The question contains metric units (m and cm) which require localization.

Verifier: The question involves converting between metric units (m^2 to cm^2), which requires localization.

sqn_01K0NS596FATVXVRWHK2ZEW8NG Localize Units (simple)
Question
Fill in the blank: $3$ m$^2 + 1500$ cm$^2 =[?]$ cm$^2$
Answer:
  • 31500
Question
Fill in the blank: $3$ ft$^2 + 1500$ in$^2 =[?]$ in$^2$
Answer:
  • 31500

Classifier: The question contains metric units (m and cm) which require localization to US customary units or a policy-based decision on metric usage in US math.

Verifier: The question contains metric units (m^2 and cm^2) which require localization to US customary units or a policy-based conversion.

sqn_01K0X9T7XS6AEMQDRYX3MA9JBR Localize Units (simple)
Question
Convert $2000000$ mm$^3$ to m$^3$.
Answer:
  • 0.002
Question
Convert $2000000$ in$^3$ to ft$^3$.
Answer:
  • 1157.407

Classifier: The question requires conversion between metric units (mm^3 to m^3). Any presence of metric units requires localization to US customary units or a units-based classification.

Verifier: The question involves metric units (mm^3 and m^3), which requires localization to US customary units.

sqn_01K0X9W9G7FWKCKF0AS1DKZ88K Localize Units (simple)
Question
Express $0.006$ cubic metres in cubic centimetres.
Answer:
  • 6000
Question
Express $0.006$ cubic feet in cubic inches.
Answer:
  • 10.368

Classifier: The text contains both AU-specific spelling ("metres", "centimetres") and metric units ("cubic metres", "cubic centimetres", "cm$^3$"). Per the decision rules, any metric unit triggers a RED units category, and units conversion takes precedence over spelling.

Verifier: The text contains metric units ("cubic metres", "cubic centimetres") and AU spelling ("metres", "centimetres"). Per rule 5, units conversion takes precedence over spelling.

sqn_01K0XA9ETAJB7G9TTJCWXDMM9J Localize Units (simple)
Question
Convert $0.075$ cm$^3$ to mm$^3$.
Answer:
  • 75
Question
Convert $0.075$ ft$^3$ to in$^3$.
Answer:
  • 129.6

Classifier: The text contains metric units (cm$^3$ and mm$^3$).

Verifier: The text contains metric units (cm$^3$ and mm$^3$).

sqn_01K0XA42GJ8VVKF3A5WZDW89EH Localize Units (simple)
Question
Convert $0.004$ m$^3$ to mm$^3$.
Answer:
  • 4000000
Question
Convert $0.004$ ft$^3$ to in$^3$.
Answer:
  • 6.912

Classifier: The text contains metric units (m$^3$ and mm$^3$). Any metric unit found anywhere in the text requires localization to US customary units or at least classification as a units conversion task.

Verifier: The text contains metric units (m$^3$ and mm$^3$). Per rule 3, any metric unit requires a RED units classification.

sqn_01K0XA7R3F8JQZYZZE3GE12VM3 Localize Units (simple)
Question
Convert $0.002$ km$^3$ to m$^3$.
Answer:
  • 2000000
Question
Convert $0.002$ mi$^3$ to ft$^3$.
Answer:
  • 294353141760

Classifier: The text contains metric units (km$^3$ and m$^3$).

Verifier: The text contains metric units (km$^3$ and m$^3$).

sqn_01K5ZDQKKG0C4FH0Y7QY3R8BJM Localize Cultural refs
Question
Why can one number sentence become many different word problems?
Answer:
  • Because the same numbers can stand for different things, like lollies, cars, or books.
Question
Why can one number sentence become many different word problems?
Answer:
  • Because the same numbers can stand for different things, like candy, cars, or books.

Classifier: The term "lollies" is a distinct Australian/Commonwealth term for candy. In a US context, this should be localized to "candy" or "sweets".

Verifier: The term "lollies" is a specific Australian/Commonwealth term for candy/sweets and requires localization for a US audience.

sqn_01K4XXVQE54A66VFWGP78M2X2F Localize Spelling (AU-US)
Question
If two chords are equal in length, why are they equally distant from the centre?
Answer:
  • Equal chords create equal perpendicular distances from the centre, because the circle is symmetric around its centre.
Question
If two chords are equal in length, why are they equally distant from the center?
Answer:
  • Equal chords create equal perpendicular distances from the center, because the circle is symmetric around its center.

Classifier: The text contains the AU spelling "centre" multiple times, which requires conversion to the US spelling "center".

Verifier: The text contains the AU spelling "centre" in both the question and the answer, which requires localization to "center".

sqn_01K6EJ4Z0CJXCSZMDZNZCEFCSS Localize Spelling (AU-US)
Question
Why do we sometimes take out a negative number when factorising an expression?
Answer:
  • Taking out a negative makes the first term positive inside the brackets, which is clearer and easier to use.
Question
Why do we sometimes take out a negative number when factoring an expression?
Answer:
  • Taking out a negative makes the first term positive inside the parentheses, which is clearer and easier to use.

Classifier: Contains the AU spelling "factorising", which needs to be converted to "factorizing" for a US audience. Note: "brackets" is common in AU but also understood in US, however, the spelling change is the primary driver here.

Verifier: Contains the AU spelling "factorising", which requires localization to "factorizing".

sqn_01K6EHP3PH0K9FP2EWZJT6CC4B Localize Spelling (AU-US)
Question
How do you know that $-(x - 3)$ is the correct factorisation of $-x + 3$?
Answer:
  • Expanding $-(x - 3)$ gives $-x + 3$, which matches the original expression.
Question
How do you know that $-(x - 3)$ is the correct factoring of $-x + 3$?
Answer:
  • Expanding $-(x - 3)$ gives $-x + 3$, which matches the original expression.

Classifier: Contains the AU spelling "factorisation", which needs to be converted to "factorization" for a US audience.

Verifier: Contains the AU spelling "factorisation", which requires localization to "factorization".

sqn_01K0XE8CK7KHCNK2KTKQM39Y3S Localize Units (simple)
Question
Fill in the blank: $0.4$ m$^3 + \ 600\ 000$ cm$^3− \ 800\ 000\ 000$ mm$^3 = [?] $ m$^3$
Answer:
  • 0.2
Question
Fill in the blank: $0.4$ ft$^3 + \ 600\ 000$ in$^3− \ 800\ 000\ 000$ in$^3 = [?] $ ft$^3$
Answer:
  • 0.2

Classifier: The text contains multiple metric units (m$^3$, cm$^3$, mm$^3$) in a calculation context.

Verifier: The text contains multiple metric units (m$^3$, cm$^3$, mm$^3$).

sqn_01K6EHTBAA5KTDC6HZQV17JF8Y Localize Spelling (AU-US)
Question
A student factorises $-6x - 12$ as $-(6x - 12)$. How would you explain why this is incorrect?
Answer:
  • Expanding $-(6x - 12)$ gives $-6x + 12$, which does not match $-6x - 12$.
Question
A student factors $-6x - 12$ as $-(6x - 12)$. How would you explain why this is incorrect?
Answer:
  • Expanding $-(6x - 12)$ gives $-6x + 12$, which does not match $-6x - 12$.

Classifier: Contains the AU spelling "factorises", which needs to be converted to "factorizes" for a US audience.

Verifier: Contains the AU spelling "factorises", which requires localization to "factorizes".

sqn_01K0XEJFH59CNXQAKZXDK1RTV8 Localize Units (simple)
Question
Fill in the blank: $0.0003$ km$^3 +\ 450$ m$^3 -\ 75\ 000\ 000$ cm$^3 = [?]$ m$^3$
Answer:
  • 300375
Question
Fill in the blank: $0.0003$ mi$^3 +\ 450$ ft$^3 -\ 75\ 000\ 000$ in$^3 = [?]$ ft$^3$
Answer:
  • 300375

Classifier: The text contains multiple metric units (km$^3$, m$^3$, cm$^3$).

Verifier: The text contains multiple metric units (km$^3$, m$^3$, cm$^3$).

sqn_01K0XE2VEF91BQ5HYNH553250E Localize Units (simple)
Question
Let $A = 1000a^3$ mm$^3$ and $B = 0.001$ m$^3$. If $A = B$, find the value of $a$.
Answer:
  • 10
Question
Let $A = 1000a^3$ in$^3$ and $B = 0.001$ ft$^3$. If $A = B$, find the value of $a$.
Answer:
  • 10

Classifier: The text contains metric units (mm$^3$ and m$^3$). Even though it is an algebraic problem, the units are explicitly stated as metric.

Verifier: The text contains metric units (mm$^3$ and m$^3$). Although it is an algebraic problem, the units are explicitly metric and require conversion/localization.

sqn_01K6EP2PDWXHNZ9C042TMDRJVE Localize Terminology
Question
How do you know that the lines $y = 3x - 7$ and $y = -\tfrac{1}{3}x + 2$ are perpendicular?
Answer:
  • The gradient of the first line is $3$. The gradient of the second line is $-\tfrac{1}{3}$, which is the negative reciprocal of $3$. So the lines are perpendicular.
Question
How do you know that the lines $y = 3x - 7$ and $y = -\tfrac{1}{3}x + 2$ are perpendicular?
Answer:
  • The slope of the first line is $3$. The slope of the second line is $-\tfrac{1}{3}$, which is the negative reciprocal of $3$. So the lines are perpendicular.

Classifier: The text uses the term "gradient", which is the standard AU term for what is referred to as "slope" in US school mathematics.

Verifier: The answer text uses "gradient", which is the standard AU school term for "slope" in the US.

sqn_01K6FG3MTF5Q4XAT786X9XJ5VG Localize Cultural refs
Question
Why is GST described as a percentage tax instead of a fixed amount added to every item?
Answer:
  • Because GST is calculated as a percentage of the price, so the tax scales fairly with the cost of the item.
Question
Why is sales tax described as a percentage tax instead of a fixed amount added to every item?
Answer:
  • Because sales tax is calculated as a percentage of the price, so the tax scales fairly with the cost of the item.

Classifier: The term "GST" (Goods and Services Tax) is the specific name for the value-added tax in Australia. In a US context, this is typically referred to as "sales tax". While the mathematical concept of a percentage tax is universal, the specific acronym "GST" is a distinct cultural/regulatory reference.

Verifier: The term "GST" (Goods and Services Tax) is a specific Australian tax term. In the US, "sales tax" is used. This is a distinct cultural/regulatory reference.

sqn_01K6FG7AFVHACC4N02HF49SHKZ Localize Cultural refs
Question
Why is it important to know whether a price is including GST or excluding GST?
Answer:
  • Because if it’s excluding GST, more money will be added at checkout, while including GST means it’s already built into the price.
Question
Why is it important to know whether a price is including sales tax or excluding sales tax?
Answer:
  • Because if it’s excluding sales tax, more money will be added at checkout, while including sales tax means it’s already built into the price.

Classifier: Contains "GST", which is the Australian tax system. Additionally, the concept of prices "including GST" or "excluding GST" is specific to VAT/GST systems; in the US, sales tax is almost exclusively added at checkout and not included in the sticker price.

Verifier: Uses "GST" and refers to the practice of prices being inclusive or exclusive of tax, which is a specific feature of the Australian tax system compared to the US sales tax system.

sqn_01K6FG9S51S659MTDBPKS83XDY Localize Cultural refs
Question
Why is GST considered a fairer tax than charging everyone the same flat fee?
Answer:
  • GST is fairer because it’s a percentage. People who spend more pay more tax, while those who spend less pay less.
Question
Why is sales tax considered a fairer tax than charging everyone the same flat fee?
Answer:
  • Sales tax is fairer because it’s a percentage. People who spend more pay more tax, while those who spend less pay less.

Classifier: Uses "GST", a specific Australian tax term.

Verifier: Uses "GST", which is the specific name for the value-added tax in Australia.

sqn_01K6H1KX9AZST1RKNMG8SD77RH Localize Cultural refs
Question
If GST is $10\%$, how do you know that multiplying a price by $1.1$ gives the price including GST?
Answer:
  • $1.1$ represents the whole price ($1$) plus $10\%$ ($0.1$), so it adds GST in one step.
Question
If sales tax is $10\%$, how do you know that multiplying a price by $1.1$ gives the price including sales tax?
Answer:
  • $1.1$ represents the whole price ($1$) plus $10\%$ ($0.1$), so it adds sales tax in one step.

Classifier: Uses "GST" and refers to a 10% rate, which is the standard Australian GST rate. In the US, sales tax rates vary by state and are rarely exactly 10% across the board.

Verifier: Uses "GST" and the specific 10% rate which is the standard rate in Australia.

sqn_01K6H2DTFE8QCWXKKNTAH04ZVX Localize Cultural refs
Question
A business sells an item for $\$220$ including GST. Why do you divide the price by $1.1$ to get the price before GST?
Answer:
  • The $\$220$ is the price including GST. This price is the base price multiplied by $1.1$. Dividing the GST-inclusive price of $220$ by $1.1$ gives the base price of $\$200$.
Question
A business sells an item for $\220$ including sales tax. Why do you divide the price by $1.1$ to get the price before sales tax?
Answer:
  • The $\220$ is the price including sales tax. This price is the base price multiplied by $1.1$. Dividing the sales tax-inclusive price of $220$ by $1.1$ gives the base price of $\200$.

Classifier: Uses "GST" and the concept of tax-inclusive pricing, which is standard in Australia but not the US.

Verifier: Uses "GST" and the concept of tax-inclusive pricing (and the 1.1 multiplier derived from the 10% AU rate).

sqn_01K6KNZX03ZS5TS3MVF75SSMF2 Localize Terminology
Question
Why can sine and cosine be defined using the unit circle and not just right-angled triangles?
Answer:
  • The unit circle works for all angles, not only those in a right triangle. Using the $x$- and $y$-coordinates lets sine and cosine be defined for any angle around the circle.
Question
Why can sine and cosine be defined using the unit circle and not just right triangles?
Answer:
  • The unit circle works for all angles, not only those in a right triangle. Using the $x$- and $y$-coordinates lets sine and cosine be defined for any angle around the circle.

Classifier: Contains the AU-specific term "right-angled triangles", which should be localized to "right triangles" in a US school context.

Verifier: The question uses "right-angled triangles", which is the standard AU term, whereas "right triangles" is the standard US school context term.

sqn_01K76D3B7AKSDD7PSDM689JSKA Localize Terminology
Question
The highest score on a maths test is $95$ and the lowest is $60$. What is the range?
Answer:
  • 35
Question
The highest score on a math test is $95$ and the lowest is $60$. What is the range?
Answer:
  • 35

Classifier: The term "maths" is the standard Australian/British abbreviation for mathematics, whereas the US equivalent is "math".

Verifier: The term "maths" is the standard Australian/British term for the US "math". This is a terminology difference in a school context.

sqn_01K6KWE4H2G71GCK57E3B90Q2P Localize Units (simple)
Question
Why does multiplying litres by $1000$ always give the number of millilitres?
Answer:
  • There are $1000$ millilitres in each litre, so each litre contributes $1000$ mL.
Question
Why does multiplying gallons by $128$ always give the number of fluid ounces?
Answer:
  • There are $128$ fluid ounces in each gallon, so each gallon contributes $128$ fl oz.

Classifier: The text contains metric units (litres, millilitres) and AU-specific spelling ("litres"). Units conversion takes precedence over spelling.

Verifier: The text contains metric units (litres, millilitres) and AU spelling ("litres"). Units conversion takes precedence over spelling.

sqn_01K6VPF64K1A13RPBCXXQ6BWJ7 Localize Terminology
Question
Why does $(h, k)$ show the turning point in the equation $y = a(x - h)^4 + k$?
Answer:
  • The expression $(x - h)^4$ is zero when $x = h$, giving the smallest or largest $y$ value, which is $k$.
Question
Why does $(h, k)$ show the vertex in the equation $y = a(x - h)^4 + k$?
Answer:
  • The expression $(x - h)^4$ is zero when $x = h$, giving the minimum or maximum $y$-value, which is $k$.

Classifier: Uses "turning point", which requires localization to "vertex" for US audiences.

Verifier: Uses "turning point", which is the standard AU term for "vertex".

sqn_01K6VPDAD8JQK5R9KK2GVHVWBC Localize Terminology
Question
How do you know the turning point of $y = x^4 + 5$ is at $(0, 5)$?
Answer:
  • The equation fits the form $y = a(x - h)^4 + k$, where $(h, k)$ is the turning point. Here there is no $(x - h)$ term, so $h = 0$, and $k = 5$, giving the turning point at $(0, 5)$.
Question
How do you know the vertex of $y = x^4 + 5$ is at $(0, 5)$?
Answer:
  • The equation fits the form $y = a(x - h)^4 + k$, where $(h, k)$ is the vertex. Here there is no $(x - h)$ term, so $h = 0$, and $k = 5$, giving the vertex at $(0, 5)$.

Classifier: The term "turning point" is standard Australian/UK terminology for what is referred to as the "vertex" in US curriculum contexts, especially regarding parabolas and higher-order polynomials.

Verifier: The term "turning point" is the standard Australian curriculum term for what is called the "vertex" in the US. This requires localization for the US market.

sqn_01K6MGD83YFZGAQJRR7VJ2WZEV Localize Spelling (AU-US)
Question
In $y = \dfrac{a}{x-h} + k$, why is $(h,k)$ the centre of the hyperbola?
Answer:
  • Because the values of $h$ and $k$ shift the graph of $y = \frac{a}{x}$ horizontally and vertically, the asymptotes move to $x = h$ and $y = k$, making $(h, k)$ the centre of the hyperbola.
Question
In $y = \dfrac{a}{x-h} + k$, why is $(h,k)$ the center of the hyperbola?
Answer:
  • Because the values of $h$ and $k$ shift the graph of $y = \frac{a}{x}$ horizontally and vertically, the asymptotes move to $x = h$ and $y = k$, making $(h, k)$ the center of the hyperbola.

Classifier: The text contains the AU spelling "centre" which needs to be localized to the US spelling "center".

Verifier: The text contains "centre", which is the AU spelling of the US "center".

sqn_01K9BVSGC7NSSXQ5NDJBHHYES1 Localize Terminology
Question
Find the exact value of the expression $\sin(\cos^{-1}(\frac{5}{13}))$ in a right-angled triangle.
Answer:
  • \frac{12}{13}
Question
Find the exact value of the expression $\sin(\cos^{-1}(\frac{5}{13}))$ in a right triangle.
Answer:
  • \frac{12}{13}

Classifier: The text contains the term "right-angled triangle", which is the standard AU/UK term. The US equivalent is "right triangle".

Verifier: The term "right-angled triangle" is the standard AU/UK terminology; the US equivalent is "right triangle".

sqn_01K9C6XNTRWKGWZKNHPXNKAQ8Q Localize Units (simple)
Question
A sample of a radioactive isotope decays by $15\%$ each hour. After $6$ hours, its mass is $18.2$ g. Find the initial mass of the isotope.
Answer:
  • 48.3
Question
A sample of a radioactive isotope decays by $15\%$ each hour. After $6$ hours, its mass is $18.2$ oz. Find the initial mass of the isotope.
Answer:
  • 48.3

Classifier: The text contains the metric unit 'g' (grams) for mass, which requires localization to US customary units or review for metric-pedagogy context.

Verifier: The text contains the metric unit 'g' (grams), which requires localization to US customary units (e.g., ounces) or review. It is a simple numeric value, not a complex equation involving metric coefficients.

sqn_01K8QQ0HNQV287CYVDVY8496HW Localize Spelling (AU-US)
Question
Factorise $4x^3 - 8x^2y + 5xy^2 - 10y^3$
Answer:
  • (4{x}^{2}+5{y}^{2})({x}-2{y})
Question
Factor $4x^3 - 8x^2y + 5xy^2 - 10y^3$
Answer:
  • (4{x}^{2}+5{y}^{2})({x}-2{y})

Classifier: The word "Factorise" uses the AU/UK 's' spelling. In US English, this must be localized to "Factorize".

Verifier: The text contains "Factorise", which is the AU/UK spelling. US English requires "Factorize".

sqn_01K6VPAW4YCX5VGQWVVP6BT5WD Localize Terminology
Question
How do you know the turning point of $y = (x - 2)^4 + 3$ is at $(2, 3)$?
Answer:
  • It matches the form $y = a(x - h)^4 + k$, where $(h, k)$ is the turning point. In $y = (x - 2)^4 + 3$, we have $h = 2$ and $k = 3$, so the turning point is $(2, 3)$.
Question
How do you know the vertex of $y = (x - 2)^4 + 3$ is at $(2, 3)$?
Answer:
  • It matches the form $y = a(x - h)^4 + k$, where $(h, k)$ is the vertex. In $y = (x - 2)^4 + 3$, we have $h = 2$ and $k = 3$, so the vertex is $(2, 3)$.

Classifier: The term "turning point" is standard AU/UK terminology for the vertex of a parabola or higher-degree polynomial. In a US context, "vertex" is the standard term.

Verifier: The term "turning point" is the standard AU/UK term for what is typically called the "vertex" in US school mathematics. This requires localization for the US market.

sqn_01K6KWGMET0GCH2V3WN3V9GENP Localize Units (simple)
Question
Why does converting from a smaller unit (like mL) to a larger unit (like L) make the number smaller, even though the amount of liquid hasn’t changed?
Answer:
  • Litres are bigger units. The same amount of liquid needs fewer litres than millilitres to describe it.
Question
Why does converting from a smaller unit (like fl oz) to a larger unit (like gal) make the number smaller, even though the amount of liquid hasn’t changed?
Answer:
  • Gallons are bigger units. The same amount of liquid needs fewer gallons than fluid ounces to describe it.

Classifier: The text contains metric units (mL, L, Litres) and AU-specific spelling ("Litres"). Units conversion takes precedence over spelling.

Verifier: The text contains metric units (mL, L, Litres) and AU spelling ("Litres"). Units conversion takes precedence over spelling.

sqn_01K6VPGE4XB4RHKQYGX21EJ5YD Localize Terminology
Question
Why does changing $h$ or $k$ in $y = a(x - h)^4 + k$ move the turning point but not change the shape of the graph?
Answer:
  • $h$ and $k$ only shift the graph horizontally or vertically, while the power of four keeps the same curved shape.
Question
Why does changing $h$ or $k$ in $y = a(x - h)^4 + k$ move the vertex but not change the shape of the graph?
Answer:
  • $h$ and $k$ only shift the graph horizontally or vertically, while the power of four keeps the same curved shape.

Classifier: Uses "turning point", which is the AU term for "vertex".

Verifier: Uses "turning point", which is the standard AU term for "vertex".

sqn_01K73AZTQXRJC18764FMQ66DE2 Localize Units (simple)
Question
A $200$ g sample of a radioactive substance decays according to $m = 200(0.5)^{\frac{t}{10}}$, where $t$ is measured in years. Find the mass after $10$ years.
Answer:
  • 100
Question
A $200$ oz sample of a radioactive substance decays according to $m = 200(0.5)^{\frac{t}{10}}$, where $t$ is measured in years. Find the mass after $10$ years.
Answer:
  • 100

Classifier: The text contains metric units ("g" for grams and the word "grams" in the suffix), which requires localization to US customary units or a decision on metric usage in US science contexts. Per decision rules, any metric unit found anywhere triggers a RED units category.

Verifier: The question contains the metric unit "g" and "grams". According to the decision rules, any metric unit requires a RED classification. This is a simple numeric substitution into a formula, so simple_conversion is appropriate.

sqn_01K6V9DYFJ1EZ59QWWY0ZY9HTK Localize Units (simple)
Question
The height of a ball is given by $h = -5t^2 + 20t$. How do you know that the highest point the ball can reach is $20$ metres?
Answer:
  • The parabola opens downwards, so its vertex gives the highest point. At $t = 2$, $h = 20$, so the ball reaches a maximum height of $20$ metres.
Question
The height of a ball is given by $h = -5t^2 + 20t$. How do you know that the highest point the ball can reach is $20$ feet?
Answer:
  • The parabola opens downward, so its vertex gives the highest point. At $t = 2$, $h = 20$, so the ball reaches a maximum height of $20$ feet.

Classifier: The text contains the metric unit "metres" and the AU-specific spelling of that unit. Per decision rules, any metric unit requires classification into a units category.

Verifier: The text contains the metric unit "metres", which is both a metric unit and an AU-specific spelling. Per rule 3 and 4, this requires RED classification. Since it is a single value in a simple context, simple_conversion is correct.

sqn_01K73DY8HMETPN8HPHE3VMMJBJ Localize Units (simple)
Question
A medicine’s concentration in the bloodstream decreases according to $C = 40(0.85)^t$, where $C$ is measured in mg/L and $t$ is measured in hours. After how many hours will the concentration first drop below $10$ mg/L?
Answer:
  • 8.5
Question
A medicine’s concentration in the bloodstream decreases according to $C = 40(0.85)^t$, where $C$ is measured in mg/gal and $t$ is measured in hours. After how many hours will the concentration first drop below $10$ mg/gal?
Answer:
  • 8.5

Classifier: The text contains the metric unit 'mg/L' (milligrams per litre). According to the decision rules, any metric unit found anywhere in the text requires classification into a units category.

Verifier: The text contains the metric unit 'mg/L' (milligrams per litre). Per rule 3, any metric unit requires a RED classification. Since it involves a simple threshold check in a formula, simple_conversion is appropriate.

sqn_01K6MJ2XZ6WT398A67HBY2HWKT Localize Terminology
Question
Why do we use the turning point of the quadratic to find the maximum area or volume?
Answer:
  • The turning point represents where the quadratic stops increasing and starts decreasing, so it gives the largest (or smallest) value.
Question
Why do we use the vertex of the quadratic to find the maximum area or volume?
Answer:
  • The vertex represents where the quadratic stops increasing and starts decreasing, so it gives the largest (or smallest) value.

Classifier: The term "turning point" is standard AU school terminology for the vertex of a parabola. In a US context, "vertex" is the preferred term.

Verifier: The term "turning point" is the standard AU school term for what is typically called the "vertex" in US mathematics curriculum.

sqn_01K6KWAPKSTB4CH33DB4Q7D5CQ Localize Units (simple)
Question
How do you know that $2000$ mL is the same as $2$ L?
Answer:
  • $1000$ mL = $1$ L. So $2000 \div 1000 = 2$ L.
Question
How do you know that $2000$ fl oz is the same as $2$ gal?
Answer:
  • $1000$ fl oz = $1$ gal. So $2000 \div 1000 = 2$ gal.

Classifier: The text contains metric units (mL, L) which require localization to US customary units or a US-centric metric context. Per rule 1, any metric unit disqualifies the GREEN category.

Verifier: The text contains metric units (mL, L) which require localization for a US audience. Per rule 3, any metric unit requires at least RED classification.

sqn_01KH7JYESJT7YFV4VJ2JERGEVE Localize Units (simple)
Question
Why does converting from kilometres per hour to metres per second change the value but not the speed?
Answer:
  • Only the units change. Converting them changes the number to match the new units, but the actual speed does not change.
Question
Why does converting from miles per hour to feet per second change the value but not the speed?
Answer:
  • Only the units change. Converting them changes the number to match the new units, but the actual speed does not change.

Classifier: The text contains metric units (kilometres, metres) and AU-specific spelling (kilometres, metres). Per the decision rules, any metric unit requires classification into a units category, and units conversion takes precedence over spelling.

Verifier: The text contains metric units ("kilometres", "metres") and AU-specific spellings of those units. Per rule 5, units conversion takes precedence over spelling.

sqn_01KJECSGJSWVYF4244EASH7JEK Localize Spelling (AU-US)
Question
Explain how to find $P(A \cap B \cap C)$ from a triple Venn diagram using set notation.
Answer:
  • Identify the centre region labelled $A \cap B \cap C$, count its elements, then divide by the total number of elements in the universal set $U$.
Question
Explain how to find $P(A \cap B \cap C)$ from a triple Venn diagram using set notation.
Answer:
  • Identify the center region labeled $A \cap B \cap C$, count its elements, then divide by the total number of elements in the universal set $U$.

Classifier: The answer content contains the AU spelling "centre", which needs to be localized to the US spelling "center".

Verifier: The answer contains the AU spelling "centre", which requires localization to "center" for the US.

sqn_01KHSYMC19C9EH2G9ZZQF55TFJ Localize Units (simple)
Question
The height of a plant is $4.21$ m. How do you know that, rounded to one decimal place, it is $4.2$ m?
Answer:
  • Look at the hundredths digit. It is $1$, which is less than $5$, so $4.21$ rounds to $4.2$ m.
Question
The height of a plant is $4.21$ ft. How do you know that, rounded to one decimal place, it is $4.2$ ft?
Answer:
  • Look at the hundredths digit. It is $1$, which is less than $5$, so $4.21$ rounds to $4.2$ ft.

Classifier: Contains the metric unit "m" (metres) in the context of a measurement.

Verifier: The text contains the metric unit "m" (metres) in a measurement context, requiring conversion to US customary units.

sqn_01KHA6VZKVH68MGYJ8W4240NQR Localize Units (simple)
Question
The intensity $I$ of light varies inversely with the square of the distance $d$. When the distance is $2.4$ m, the intensity is $62.5$ units. Find the intensity when the distance is $3.6$ m.
Answer:
  • 27.8
Question
The intensity $I$ of light varies inversely with the square of the distance $d$. When the distance is $2.4$ ft, the intensity is $62.5$ units. Find the intensity when the distance is $3.6$ ft.
Answer:
  • 27.8

Classifier: The text contains the metric unit "m" (metres) in the context of distance. Per the decision rules, any metric unit requires localization.

Verifier: The text contains the metric unit "m" (metres) in the context of distance, which requires localization.

sqn_01KHA6SG4JR5FQGS7DFNHZAC9W Localize Units (simple)
Question
The pressure $P$ (kPa) of a gas varies inversely with its volume $V$ (L). When the volume is $12.5$ L, the pressure is $28.8$ kPa. What is the pressure when the volume is $7.2$ L?
Answer:
  • 50
Question
The pressure $P$ (psi) of a gas varies inversely with its volume $V$ (gal). When the volume is $12.5$ gal, the pressure is $28.8$ psi. What is the pressure when the volume is $7.2$ gal?
Answer:
  • 50

Classifier: The question contains metric units: kPa (kilopascals) and L (litres). Any metric unit found anywhere in the text triggers a RED.units category.

Verifier: The question contains metric units "kPa" (kilopascals) and "L" (litres), which require localization for a US audience.

sqn_01KHA72R12XFV41XW3A7V8H8EW Localize Units (simple)
Question
The speed $v$ (km/h) of a truck travelling a fixed distance varies inversely with the time $t$ (hours). When the time is $2.5$ hours, the speed is $96$ km/h. What is the speed when the time is $3.75$ hours?
Answer:
  • 64
Question
The speed $v$ (mph) of a truck traveling a fixed distance varies inversely with the time $t$ (hours). When the time is $2.5$ hours, the speed is $96$ mph. What is the speed when the time is $3.75$ hours?
Answer:
  • 64

Classifier: The text contains metric units (km/h, km) which require conversion to US customary units (mph, miles) for localization.

Verifier: The question uses metric units "km/h" and "km" which require conversion to US customary units (mph/miles). The math is a simple inverse variation, making it a simple conversion.

sqn_01KHSFEBM29W0VAKNJYJFK1XRV Localize Units (simple)
Question
One beam is $2 \dfrac{3}{5}$ metres long. What is the total length of $9$ beams?
Options:
  • \frac{117}{5}
  • 23\frac{2}{5}
Question
One beam is $2 \dfrac{3}{5}$ feet long. What is the total length of $9$ beams?
Options:
  • \frac{117}{5}
  • 23\frac{2}{5}

Classifier: Contains both AU-specific spelling ("metres") and metric units ("m"). Units conversion takes precedence over spelling.

Verifier: Contains AU spelling "metres" and metric unit "m". Per rule 5, units conversion takes precedence over spelling.

sqn_1bc32ae5-81c0-4dba-aaff-0a753ffd790b Localize Units (simple)
Question
Why is $1$ milligram smaller than $1$ gram?
Answer:
  • $1$ gram equals $1000$ milligrams. So $1$ milligram is just one out of $1000$, which makes it much smaller than a gram.
Question
Why is $1$ ounce smaller than $1$ pound?
Answer:
  • $1$ pound equals $16$ ounces. So $1$ ounce is just one out of $16$, which makes it much smaller than a pound.

Classifier: The text contains metric units ("milligram", "gram"). According to the decision rules, any metric unit found anywhere in the text requires at least RED.units_simple_conversion.

Verifier: The text contains metric units ("milligram", "gram"). According to rule 3, any metric unit found anywhere requires at least RED.units_simple_conversion.

sqn_116ef662-3e36-4055-ab5d-37b6717fa192 Localize Spelling (AU-US)
Question
Travis writes $532$ as “five hundred and twenty-three.” How do you know he is wrong?
Answer:
  • The tens digit is $3$ and the ones digit is $2$, so it should be “five hundred thirty-two,” not “five hundred and twenty-three.”
Question
Travis writes $532$ as “five hundred twenty-three.” How do you know he is wrong?
Answer:
  • The tens digit is $3$ and the ones digit is $2$, so it should be “five hundred thirty-two,” not “five hundred twenty-three.”

Classifier: The source text uses the AU/UK convention of including "and" in number names (e.g., "five hundred and twenty-three"). While the answer correctly identifies the US-preferred "five hundred thirty-two", the source value in the question contains the AU-style string that may need adjustment depending on strictness, but more importantly, the answer uses "tens digit" and "ones digit" which are neutral, but the presence of the "and" in the number name string is a dialect marker.

Verifier: The source text includes the AU/UK convention of using "and" in number names ("five hundred and twenty-three"), which is a dialect marker requiring localization for US English.

sqn_0cbfe5dc-4315-49cf-8116-50f5d054e97e Localize Spelling (AU-US)
Question
A student names $121$ as “hundred and twenty-one.” How do you know they are wrong?
Hint: Check number word order
Answer:
  • The hundreds digit is $1$, so it should be “one hundred and twenty-one,” not “hundred and twenty-one.”
Question
A student names $121$ as “one hundred twenty-one.” How do you know they are wrong?
Hint: Check number word order
Answer:
  • The hundreds digit is $1$, so it should be “one hundred twenty-one,” not “one hundred twenty-one.”

Classifier: The text uses "hundred and twenty-one". In US English pedagogy, the use of "and" in whole numbers is strictly discouraged (reserved for the decimal point), whereas it is standard in AU/UK English. Localizing this involves removing the "and" to align with US number-naming conventions.

Verifier: The use of "and" in whole numbers (e.g., "hundred and twenty-one") is a distinct feature of AU/UK English pedagogy that is explicitly taught as incorrect in US English (where "and" is reserved for the decimal point). This requires localization.

sqn_01KHA770NPX6SDVPEXJQMVBJ7G Localize Units (simple)
Question
The density $D$ of a metal block varies inversely with its volume $V$ when mass is fixed. When the volume is $4.8$ cm$^3$, the density is $15$ g/cm$^3$. Find the density when the volume is $6.4$ cm$^3$.
Answer:
  • 11.25
Question
The density $D$ of a metal block varies inversely with its volume $V$ when mass is fixed. When the volume is $4.8$ in$^3$, the density is $15$ lb/in$^3$. Find the density when the volume is $6.4$ in$^3$.
Answer:
  • 11.25

Classifier: The text contains metric units (cm^3, g/cm^3) which require localization.

Verifier: The question uses metric units "cm^3" and "g/cm^3" which require conversion to US customary units.

sqn_0b8a42ee-135b-4626-8729-b648fc2238fa Localize Units (simple)
Question
Show why scaling a pentagon with side length $5$ cm by a factor of $3.5$ results in sides of $17.5$ cm.
Answer:
  • Scaling by a factor means multiplying each side by that factor. The original side is $5$ cm. Multiplying $5$ cm by $3.5$ gives $17.5$ cm. So the new side length is $17.5$ cm.
Question
Show why scaling a pentagon with side length $5$ in by a factor of $3.5$ results in sides of $17.5$ in.
Answer:
  • Scaling by a factor means multiplying each side by that factor. The original side is $5$ in. Multiplying $5$ in by $3.5$ gives $17.5$ in. So the new side length is $17.5$ in.

Classifier: The text contains the metric unit "cm" multiple times, which requires conversion for US localization.

Verifier: The text contains the metric unit "cm", which requires conversion for US localization.

sqn_2146ea52-f3ad-47cb-bcbd-aaf49e188ec7 Localize Units (simple)
Question
How do you know that the length of a rectangle with area $32$ cm$^2$ and width $4$ cm will be twice the width?
Answer:
  • The area is $32$ cm², so $32 = \text{length} \times 4$. This gives length $= 8$ cm. Because $8$ is double $4$, the length is twice the width.
Question
How do you know that the length of a rectangle with area $32$ in$^2$ and width $4$ in will be twice the width?
Answer:
  • The area is $32$ in², so $32 = \text{length} \times 4$. This gives length $= 8$ in. Because $8$ is double $4$, the length is twice the width.

Classifier: The text contains metric units ("cm" and "cm^2"), which triggers a mandatory RED classification for US localization.

Verifier: The text contains metric units ("cm" and "cm^2"), which requires conversion for US localization.

sqn_1b24395a-8bd8-46e8-9a43-413b9382bb14 Localize Units (simple)
Question
How do you know millilitres is not an imperial unit of volume?
Hint: mL is metric, not imperial
Answer:
  • Millilitre is metric unit (1/1000 of litre). Imperial uses fluid ounces, pints, gallons for volume measurement.
Question
How do you know milliliters is not a US customary unit of volume?
Hint: mL is metric, not US customary
Answer:
  • Milliliter is a metric unit (1/1000 of a liter). US customary uses fluid ounces, pints, and gallons for volume measurement.

Classifier: The text contains metric units ("millilitres", "litre", "mL") and AU-specific spelling ("millilitres", "litre"). Per rule 1 and 9, any metric unit triggers a RED classification. This specific question is about the nature of the units themselves, but still requires localization of spelling and potentially the pedagogical context.

Verifier: The text contains metric units ("millilitres", "litre", "mL") and AU spelling ("millilitres", "litre"). Even though the question is about the units themselves, rule 1 and 3 require RED classification for any metric units.

sqn_10b13f00-5702-4ebf-ac2e-71e34f8d20a6 Localize Units (simple)
Question
How do you know that millilitres is an appropriate unit to measure the volume of a spoonful of sugar syrup?
Hint: $1$ mL equals $1$ cm$^3$
Answer:
  • Millilitres (mL) measure small liquid volumes. A spoonful is a small liquid volume, so mL is suitable.
Question
How do you know that fluid ounces is an appropriate unit to measure the volume of a spoonful of sugar syrup?
Hint: $1$ fl oz equals $1$ in$^3$
Answer:
  • Fluid ounces (fl oz) measure small liquid volumes. A spoonful is a small liquid volume, so fl oz is suitable.

Classifier: The text contains metric units (millilitres, mL, cm^3). While the spelling "millilitres" is also an AU spelling, the presence of metric units for volume measurement in a primary context triggers the units classification.

Verifier: The text contains metric units (millilitres, mL, cm^3) which require localization for a US audience.

sqn_117cbb75-00df-49e3-b166-ef9d490df3d7 Localize Units (simple)
Question
Why is $3500$ centimetres not the same as $35000$ micrometres?
Answer:
  • $1$ centimetre equals $10$ millimetres, and each millimetre equals $1000$ micrometres. So $1$ centimetre = $10000$ micrometres. This means $3500$ centimetres = $35{,}000{,}000$ micrometres, not $35000$.
Question
Why is $3500$ inches not the same as $35000$ microinches?
Answer:
  • $1$ inch equals $1000$ thousandths of an inch (mils), and each thousandth equals $1000$ microinches. So $1$ inch = $1{,}000{,}000$ microinches. This means $3500$ inches = $3{,}500{,}000{,}000$ microinches, not $35000$.

Classifier: The text contains multiple metric units (centimetres, micrometres, millimetres). These require localization/conversion for a US audience.

Verifier: The text contains multiple metric units (centimetres, micrometres, millimetres) which require conversion/localization.

sqn_1c023ce5-026d-48f3-a4fd-c37b120ac193 Localize Units (simple)
Question
Show why the volume of a $2$ cm $\times$ $2$ cm $\times$ $8$ cm prism is the same as the volume of two $2$ cm $\times$ $2$ cm $\times$ $4$ cm prisms.
Answer:
  • The volume of the $2$ cm $\times$ $2$ cm $\times$ $8$ cm prism is $2 \times 2 \times 8 = 32$ cm$^3$. Each smaller prism has a volume of $2 \times 2 \times 4 = 16$ cm$^3$. Two of them give $16 + 16 = 32$ cm$^3$, which matches the larger prism.
Question
Show why the volume of a $2$ in $\times$ $2$ in $\times$ $8$ in prism is the same as the volume of two $2$ in $\times$ $2$ in $\times$ $4$ in prisms.
Answer:
  • The volume of the $2$ in $\times$ $2$ in $\times$ $8$ in prism is $2 \times 2 \times 8 = 32$ in$^3$. Each smaller prism has a volume of $2 \times 2 \times 4 = 16$ in$^3$. Two of them give $16 + 16 = 32$ in$^3$, which matches the larger prism.

Classifier: The text contains the metric unit "cm". Per the decision rules, any metric unit requires localization. This is a simple conversion of dimensions and volume.

Verifier: The text contains the metric unit "cm". Per rule 3, any metric unit requires localization. This is a simple conversion of dimensions.

sqn_1fa33ec3-6f04-4986-b73c-f9b24f95bf95 Localize Spelling (AU-US)
Question
Explain how factorising $x^2+8x+15=0$ by grouping confirms the factors are $(x+3)(x+5)$.
Hint: Think about grouping strategy
Answer:
  • To factorise $x^2 + 8x + 15 = 0$ by grouping, split $8x$ into $3x + 5x$ because $3 + 5 = 8$ and $3 \times 5 = 15$. Rewrite as $x^2 + 3x + 5x + 15 = 0$. Group terms: $(x^2 + 3x) + (5x + 15) = 0$. Factor each: $x(x + 3) + 5(x + 3) = 0$. Then factor the common binomial: $(x + 3)(x + 5) = 0$.
Question
Explain how factoring $x^2+8x+15=0$ by grouping confirms the factors are $(x+3)(x+5)$.
Hint: Think about grouping strategy
Answer:
  • To factor $x^2 + 8x + 15 = 0$ by grouping, split $8x$ into $3x + 5x$ because $3 + 5 = 8$ and $3 \times 5 = 15$. Rewrite as $x^2 + 3x + 5x + 15 = 0$. Group terms: $(x^2 + 3x) + (5x + 15) = 0$. Factor each: $x(x + 3) + 5(x + 3) = 0$. Then factor the common binomial: $(x + 3)(x + 5) = 0$.

Classifier: The text contains the Australian spelling "factorising" and "factorise", which needs to be converted to the US spelling "factorizing" and "factorize".

Verifier: The text contains "factorising" and "factorise", which are AU/UK spellings. US spelling is "factorizing" and "factorize".

sqn_283e72af-55d9-4742-b286-113acc6de8d2 Localize Terminology
Question
How do you know $\sqrt[3]{x^9}$ is equivalent to $x^3$?
Hint: Simplify index notation
Answer:
  • Using fractional index: $x^9$ with cube root means $x^{\frac{9}{3}}=x^3$. Power $9$ divided by root $3$.
Question
How do you know $\sqrt[3]{x^9}$ is equivalent to $x^3$?
Hint: Simplify exponent notation
Answer:
  • Using fractional exponents: $x^9$ with cube root means $x^{\frac{9}{3}}=x^3$. Power $9$ divided by root $3$.

Classifier: The text uses the term "index notation" and "fractional index". In US curriculum, "exponent" or "power" is the standard term, and "index" is typically reserved for the root degree or position in a sequence/matrix. "Index notation" is a specific AU/UK curriculum term.

Verifier: The terms "index notation" and "fractional index" are specific to AU/UK/Commonwealth curricula. In the US, "exponent" or "power" is the standard term for this context.

sqn_39071844-9fd0-4042-bbca-3741210aa603 Localize Spelling (AU-US)
Question
Explain why scatterplots are not used for categorical data.
Answer:
  • Scatterplots need numbers on both axes, but categorical data has labels like colours or types, not numbers, so it cannot be plotted this way.
Question
Explain why scatter plots are not used for categorical data.
Answer:
  • Scatter plots need numbers on both axes, but categorical data has labels like colors or types, not numbers, so it cannot be plotted this way.

Classifier: The answer content contains the AU spelling "colours", which needs to be converted to the US spelling "colors".

Verifier: The answer contains the AU spelling "colours", which requires localization to "colors".

sqn_25abc5b8-d01b-437b-8244-3e84c50021d4 Localize Terminology
Question
Show that the gradient of a line is the same no matter which two points you use on the line.
Answer:
  • The points $(0,0)$, $(2,4)$, and $(4,8)$ lie on one line. Slope from $(0,0)$ to $(2,4)$ is $4\div2 = 2$. Slope from $(2,4)$ to $(4,8)$ is $4\div2 = 2$. Both give a gradient of $2$, so the line’s slope is $2$.
Question
Show that the slope of a line is the same no matter which two points you use on the line.
Answer:
  • The points $(0,0)$, $(2,4)$, and $(4,8)$ lie on one line. Slope from $(0,0)$ to $(2,4)$ is $4\div2 = 2$. Slope from $(2,4)$ to $(4,8)$ is $4\div2 = 2$. Both give a slope of $2$, so the line’s slope is $2$.

Classifier: The text uses the term "gradient" to refer to the steepness of a line. In US school mathematics, "slope" is the standard term used in this context. While "gradient" is used in US higher-level calculus (vector fields), for coordinate geometry of lines, "slope" is the required localization. The answer also uses "gradient" and "slope" interchangeably, but the primary AU term "gradient" triggers the classification.

Verifier: The term "gradient" is the standard AU term for the steepness of a line in coordinate geometry, whereas "slope" is the standard US term for this school-level context.

sqn_3096373b-9cc8-41e6-954f-11fc86a7c355 Localize Units (simple)
Question
How do you know that halving the diameter halves the circumference? Use an example to explain.
Answer:
  • For example, if the diameter is $10$ cm, the circumference is $10\pi$ cm. Halving the diameter to $5$ cm gives circumference $5\pi$ cm, which is half of $10\pi$.
Question
How do you know that halving the diameter halves the circumference? Use an example to explain.
Answer:
  • For example, if the diameter is $10$ in, the circumference is $10\pi$ in. Halving the diameter to $5$ in gives circumference $5\pi$ in, which is half of $10\pi$.

Classifier: The answer contains the metric unit "cm", which requires localization to US customary units or a unitless context per the decision rules.

Verifier: The answer text contains the metric unit "cm", which requires localization to US customary units or a unitless context.

sqn_31a420ff-9e2e-4ddf-9d6b-908c6cb71ea7 Localize Terminology
Question
How do you know that the turning point of the parabola $y=(x-3)(x+4)-3$ is the same as that of $y=(x-3)(x+4)+7$?
Answer:
  • Both parabolas have the same $(x-3)(x+4)$ part, so they share the same $x$-value for the turning point. The constants only shift the graph up or down.
Question
How do you know that the vertex of the parabola $y=(x-3)(x+4)-3$ is the same as that of $y=(x-3)(x+4)+7$?
Answer:
  • Both parabolas have the same $(x-3)(x+4)$ part, so they share the same $x$-value for the vertex. The constants only shift the graph up or down.

Classifier: The term "turning point" is standard AU/UK terminology for the vertex of a parabola. In a US context, "vertex" is the preferred term.

Verifier: The term "turning point" is the standard AU/UK term for what is referred to as the "vertex" in US mathematics curriculum.

sqn_2ffdd8af-7220-4b41-80c2-aba73c498572 Localize Units (simple)
Question
How is changing $1$ m$^2$ into cm$^2$ different from changing $1$ m into cm?
Answer:
  • Changing $1$ m into cm is just $1$ m = $100$ cm. But $1$ m$^2$ is a square, so you must change both sides: $100$ cm $\times$ $100$ cm = $10000$ cm$^2$.
Question
How is changing $1$ ft$^2$ into in$^2$ different from changing $1$ ft into in?
Answer:
  • Changing $1$ ft into in is just $1$ ft = $12$ in. But $1$ ft$^2$ is a square, so you must change both sides: $12$ in $ imes$ $12$ in = $144$ in$^2$.

Classifier: The question explicitly uses and compares metric units (m, cm, m^2, cm^2). According to the decision rules, any metric unit requires classification into a units category. This is a simple conversion/conceptual check.

Verifier: The question explicitly uses metric units (m, cm, m^2, cm^2). Per rule 3, any metric unit found anywhere requires at least RED.units_simple_conversion.

sqn_3c10cade-aafe-43b6-ace6-824c0092e3bb Localize Answer set
Question
How do you know that doubling the height doubles the area of a trapezium?
Answer:
  • The sum of the parallel sides stays the same. Since area $= \frac{1}{2} \times (a + b) \times$ height, doubling the height doubles the whole product, so the area doubles.
Question
How do you know that doubling the height doubles the area of a trapezoid?
Answer:
  • The sum of the parallel sides stays the same. Since area $= \frac{1}{2} \times (a + b) \times$ height, doubling the height doubles the whole product, so the area doubles.

Classifier: The text uses the term "trapezium". In the US, this shape is called a "trapezoid". This requires localization for terminology consistency.

Verifier: The term "trapezium" is used, which is the standard term in Australia/UK, whereas "trapezoid" is used in the US. This requires localization for terminology consistency.

sqn_42dbe4f4-0253-4af9-a8d8-55c45dab30d7 Localize Terminology
Question
Explain why $y=x^2+2$ has its turning point at $(0,2)$.
Answer:
  • In turning-point form $y=a(x-h)^2+k$, the turning point is $(h,k)$. Here $y=x^2+2$ matches $y=1(x-0)^2+2$, so the turning point is $(0,2)$.
Question
Explain why $y=x^2+2$ has its vertex at $(0,2)$.
Answer:
  • In vertex form $y=a(x-h)^2+k$, the vertex is $(h,k)$. Here $y=x^2+2$ matches $y=1(x-0)^2+2$, so the vertex is $(0,2)$.

Classifier: The term "turning point" is standard AU/UK terminology for the vertex of a parabola. In a US context, "vertex" is the standard term. Additionally, "turning-point form" is used, which maps to "vertex form" in the US.

Verifier: The classifier correctly identified "turning point" and "turning-point form" as AU/UK terminology. In the US, "vertex" and "vertex form" are the standard terms used in this context.

sqn_4ca702a6-444d-4877-bd3d-313b95c20754 Localize Units (simple)
Question
How do you know a kite with diagonals $10$ cm and $4$ cm has an area of $20$ cm$^2$?
Answer:
  • Area = $\frac{1}{2} \times 10 \times 4 = 20$ cm$^2$. Half product of diagonals.
Question
How do you know a kite with diagonals $10$ in and $4$ in has an area of $20$ in$^2$?
Answer:
  • Area = $\frac{1}{2} \times 10 \times 4 = 20$ in$^2$. Half product of diagonals.

Classifier: The text contains metric units ("cm" and "cm^2") which require conversion for US localization.

Verifier: Contains metric units "cm" and "cm^2" which require conversion for US localization.

sqn_3fe9722e-2a77-4f16-ae50-3e03c4cef8d4 Localize Terminology
Question
Explain why $(-1, -6)$ is not the turning point of the parabola $y=2(x+3)(x-2)$.
Answer:
  • The intercepts are $x=-3$ and $x=2$. The turning point is halfway at $x=-0.5$. Substituting $x=-0.5$ gives $y=-12.5$, so the turning point is $(-0.5,-12.5)$, not $(-1,-6)$.
Question
Explain why $(-1, -6)$ is not the vertex of the parabola $y=2(x+3)(x-2)$.
Answer:
  • The intercepts are $x=-3$ and $x=2$. The vertex is halfway at $x=-0.5$. Substituting $x=-0.5$ gives $y=-12.5$, so the vertex is $(-0.5,-12.5)$, not $(-1,-6)$.

Classifier: The term "turning point" is standard AU/UK terminology for the vertex of a parabola. In a US context, "vertex" is the preferred term.

Verifier: The term "turning point" is the standard AU/UK term for what is typically called the "vertex" in US mathematics curricula.

sqn_4f99c1ba-9630-40ab-a63a-156513d0a60d Localize Terminology
Question
Show why rotating $270^\circ$ clockwise equals $90^\circ$ anticlockwise around the same point.
Answer:
  • A full turn is $360^\circ$. $270^\circ$ clockwise leaves $90^\circ$, which is the same as turning $90^\circ$ anticlockwise.
Question
Show why rotating $270^\circ$ clockwise equals $90^\circ$ counterclockwise around the same point.
Answer:
  • A full turn is $360^\circ$. $270^\circ$ clockwise leaves $90^\circ$, which is the same as turning $90^\circ$ counterclockwise.

Classifier: The term "anticlockwise" is the standard Australian/British term; the US equivalent is "counterclockwise".

Verifier: The term "anticlockwise" is the standard Australian/British term; the US equivalent is "counterclockwise". This requires localization for the US market.

sqn_56415836-5970-408c-8c0b-2cf9094b4a6d Localize Spelling (AU-US)
Question
Explain why Quadrant I has positive $x$ and $y$ values, while Quadrant III has negative $x$ and $y$.
Answer:
  • In Quadrant I, points are right and above the centre, so both values are positive. In Quadrant III, points are left and below the centre, so both values are negative.
Question
Explain why Quadrant I has positive $x$ and $y$ values, while Quadrant III has negative $x$ and $y$.
Answer:
  • In Quadrant I, points are right and above the center, so both values are positive. In Quadrant III, points are left and below the center, so both values are negative.

Classifier: The text contains the AU spelling "centre", which needs to be localized to the US spelling "center".

Verifier: The answer text contains the AU spelling "centre" twice, which requires localization to the US spelling "center".

sqn_40bba066-1849-4d62-a946-726d037e1485 Localize Units (simple)
Question
Show why doubling the diameter doubles the circumference of a circle. Use an example to explain.
Answer:
  • For example, if the diameter is $6$ cm, the circumference is $6\pi$ cm. Doubling the diameter to $12$ cm gives $12\pi$ cm, which is twice $6\pi$.
Question
Show why doubling the diameter doubles the circumference of a circle. Use an example to explain.
Answer:
  • For example, if the diameter is $6$ in, the circumference is $6\pi$ in. Doubling the diameter to $12$ in gives $12\pi$ in, which is twice $6\pi$.

Classifier: The answer content contains the metric unit "cm", which requires conversion to US customary units (e.g., inches) per the decision rules.

Verifier: The answer content contains the metric unit "cm", which requires conversion to US customary units (inches) according to the decision rules.

sqn_5679330c-7f1f-4de3-9d6d-b8c0703d4e30 Localize Units (simple)
Question
Explain why shoe size is a type of discrete data but the length of a shoe is continuous.
Answer:
  • Shoe size is discrete data because it comes in fixed whole or half sizes you can count, but shoe length is continuous because it can be measured in smaller units like centimetres and millimetres.
Question
Explain why shoe size is a type of discrete data but the length of a shoe is continuous.
Answer:
  • Shoe size is discrete data because it comes in fixed whole or half sizes you can count, but shoe length is continuous because it can be measured in smaller units like inches and fractions of an inch.

Classifier: The answer content contains the metric units "centimetres" and "millimetres". According to the decision rules, any metric unit found anywhere in the text requires at least this category.

Verifier: The answer text contains the metric units "centimetres" and "millimetres". Per rule 3, any metric unit found anywhere requires at least RED.units_simple_conversion.

sqn_39dd337c-5c91-47f0-a700-08c1f4297d9e Localize Spelling (AU-US)
Question
Explain why the circle $(x + \frac{3}{2})^2 + (y - 3)^2 = 36$ has centre $\left(-\frac{3}{2}, 3\right)$.
Answer:
  • The circle formula is $(x - h)^2 + (y - k)^2 = r^2$. Here $(x + \frac{3}{2})^2$ means $h = -\frac{3}{2}$, and $(y - 3)^2$ means $k = 3$. So the centre is $\left(-\frac{3}{2}, 3\right)$.
Question
Explain why the circle $(x + \frac{3}{2})^2 + (y - 3)^2 = 36$ has center $\left(-\frac{3}{2}, 3\right)$.
Answer:
  • The circle formula is $(x - h)^2 + (y - k)^2 = r^2$. Here $(x + \frac{3}{2})^2$ means $h = -\frac{3}{2}$, and $(y - 3)^2$ means $k = 3$. So the center is $\left(-\frac{3}{2}, 3\right)$.

Classifier: The text contains the AU spelling "centre" in both the question and the answer, which needs to be converted to the US spelling "center".

Verifier: The text contains the AU spelling "centre" in both the question and the answer, which requires localization to "center".

sqn_5a707ecb-a9c9-4c07-9cf7-9523e3c5ea06 Localize Units (simple)
Question
Why do we multiply by $10\ 000$ and not $100$ when changing $1$ m$^2$ into cm$^2$?
Answer:
  • $1$ m = $100$ cm. A square metre has two sides, so both sides change to $100$ cm. That makes $100 \times 100 = 10000$ cm$^2$.
Question
Why do we multiply by $144$ and not $12$ when changing $1$ ft$^2$ into in$^2$?
Answer:
  • $1$ ft = $12$ in. A square foot has two sides, so both sides change to $12$ in. That makes $12 \times 12 = 144$ in$^2$.

Classifier: The text contains metric units (m, cm, m^2, cm^2) and the AU spelling "metre". Per the decision rules, any metric unit requires at least RED.units_simple_conversion.

Verifier: The text contains metric units (m, cm, m^2, cm^2) and the AU spelling "metre". Per rule 3, any metric unit requires at least RED.units_simple_conversion.

sqn_5105a77f-18f2-41d0-ba18-5c4099ba3d21 Localize Units (simple)
Question
How do you know that increasing both sides of a $3$ m by $4$ m rectangle by $1$ adds more than $7$ m$^2$ of area?
Answer:
  • The new area is $(3+1)\times(4+1)=20$, so the increase is $20-12=8$ m$^2$, which is more than $7$ m$^2$.
Question
How do you know that increasing both sides of a $3$ ft by $4$ ft rectangle by $1$ adds more than $7$ ft$^2$ of area?
Answer:
  • The new area is $(3+1)\times(4+1)=20$, so the increase is $20-12=8$ ft$^2$, which is more than $7$ ft$^2$.

Classifier: The text contains metric units ("m" and "m^2") which require conversion to US customary units (e.g., feet/inches and square feet/inches).

Verifier: The text contains metric units ("m" and "m^2") which require conversion to US customary units. The calculation is a straightforward area comparison, making it a simple conversion.

sqn_3e51f04f-cc6f-4133-8714-30fab1f035bd Localize Units (simple)
Question
Explain why a wooden log of $50$ kg mass and $2$ m$^3$ volume will have a density of $25$ kg per m$^3$
Hint: Apply mass volume ratio
Answer:
  • Density = mass $\div$ volume $= 50$ kg $\div 2$ m$^3 = 25$ kg/m$^3$.
Question
Explain why a wooden log of $50$ lb mass and $2$ ft$^3$ volume will have a density of $25$ lb per ft$^3$
Hint: Apply mass volume ratio
Answer:
  • Density = mass $\div$ volume $= 50$ lb $\div 2$ ft$^3 = 25$ lb/ft$^3$.

Classifier: The text contains multiple metric units ("kg", "m^3", "kg per m^3"). According to the decision rules, the presence of metric units necessitates a RED classification.

Verifier: Contains metric units (kg, m^3), which necessitates a RED classification.

sqn_4e962965-2d08-4280-a197-2ff2003d85b4 Localize Spelling (AU-US)
Question
Explain how rearranging terms in $3x + 9 + 2y + 6$ can help with factorising by grouping (if possible).
Answer:
  • Group terms with common factors: $(3x + 9) + (2y + 6)$. Factor out common monomials: $3(x + 3) + 2(y + 3)$. Since the binomial factors $(x+3)$ and $(y+3)$ are different, further factorisation by grouping is not possible here.
Question
Explain how rearranging terms in $3x + 9 + 2y + 6$ can help with factoring by grouping (if possible).
Answer:
  • Group terms with common factors: $(3x + 9) + (2y + 6)$. Factor out common monomials: $3(x + 3) + 2(y + 3)$. Since the binomial factors $(x+3)$ and $(y+3)$ are different, further factoring by grouping is not possible here.

Classifier: The text contains the AU spelling "factorising" and "factorisation", which must be converted to the US spelling "factorizing" and "factorization".

Verifier: The text contains "factorising" and "factorisation", which are AU/UK spellings that require localization to US "factorizing" and "factorization".

sqn_3d2bd4c5-7149-4718-94f1-04ed5a98e519 Localize Units (simple)
Question
Explain why the ratio $3$ kg to $500$ g is the same as $6:1$, not $3:5$.
Hint: $1$ kg = $1000$ g
Answer:
  • $3$ kg is $3000$ g, so the ratio is $3000:500$. Dividing by $500$ gives $6:1$. $3:5$ is not correct because the units are different.
Question
Explain why the ratio $3$ lb to $500$ oz is the same as $6:1$, not $3:5$.
Hint: $1$ lb = $1000$ oz
Answer:
  • $3$ lb is $3000$ oz, so the ratio is $3000:500$. Dividing by $500$ gives $6:1$. $3:5$ is not correct because the units are different.

Classifier: The question explicitly uses metric units ("kg" and "g") and relies on the metric conversion factor (1 kg = 1000 g) for the mathematical logic. Per the decision rules, any metric unit requires a RED classification.

Verifier: The question uses metric units (kg, g) which requires a RED classification per the decision rules.

sqn_4f0ea742-3396-40cd-a225-a878126a239f Localize Units (simple)
Question
How do you know scaling an octagon with side length $10$ cm by a factor of $0.4$ reduces the side length to $4$ cm?
Answer:
  • Scaling by a factor means multiplying linear dimensions by that factor. Original side = $10$ cm. Scale factor = $0.4$. New side = $10$ cm $\times 0.4 = 4$ cm. A scale factor less than $1$ causes a reduction.
Question
How do you know scaling an octagon with side length $10$ in by a factor of $0.4$ reduces the side length to $4$ in?
Answer:
  • Scaling by a factor means multiplying linear dimensions by that factor. Original side = $10$ in. Scale factor = $0.4$. New side = $10$ in $\times 0.4 = 4$ in. A scale factor less than $1$ causes a reduction.

Classifier: The text contains metric units ("cm") which require conversion for US localization. Per decision rules, any metric unit triggers a RED units category.

Verifier: The text contains the metric unit "cm", which requires conversion for US localization.

sqn_61988daa-142a-4da3-befe-288462650bf3 Localize Units (simple)
Question
How do you know $75$ g equals $0.075$ kg?
Hint: $1$ kg = $1000$ g=
Answer:
  • $1$ kg is $1000$ g. To convert grams to kilograms, divide by $1000$. So, $75 ÷ 1000 = 0.075$ kg.
Question
How do you know $75$ oz equals $0.075$ lb?
Hint: $1$ lb = $1000$ oz=
Answer:
  • $1$ lb is $1000$ oz. To convert ounces to pounds, divide by $1000$. So, $75 ÷ 1000 = 0.075$ lb.

Classifier: The content explicitly involves metric units (grams and kilograms) and a conversion between them. According to the decision rules, any metric unit found anywhere requires at least this category.

Verifier: The content contains metric units ("g", "kg", "grams", "kilograms"). According to rule 3, any metric unit requires at least RED.units_simple_conversion.

sqn_578fe8bc-c927-4e4d-b3e3-18a4c3b66bfa Localize Terminology
Question
Show why the quadratic $y=2x^2+12x+15$ is equivalent to $y=2(x+3)^2-3$ in turning point form.
Hint: Factor out $2$ first
Answer:
  • First factor out $2$: $2(x^2+6x)+15$. Complete square inside brackets: $2(x^2+6x+9-9)+15=2(x+3)^2-18+15=2(x+3)^2-3$.
Question
Show why the quadratic $y=2x^2+12x+15$ is equivalent to $y=2(x+3)^2-3$ in vertex form.
Hint: Factor out $2$ first
Answer:
  • First factor out $2$: $2(x^2+6x)+15$. Complete square inside parentheses: $2(x^2+6x+9-9)+15=2(x+3)^2-18+15=2(x+3)^2-3$.

Classifier: The text uses the term "turning point form", which is the standard AU term for what is called "vertex form" in the US.

Verifier: The term "turning point form" is the standard Australian curriculum term for what is known as "vertex form" in the US. This is a school-context terminology difference.

sqn_5a9cc1b4-f1ea-46cc-9662-030caeb0b11f Localize Spelling (AU-US)
Question
Show how splitting the middle term of $x^2+6x+8=0$ leads to the factorisation $(x+2)(x+4)=0$.
Hint: Look for common factors
Answer:
  • To split the middle term in $x^2 + 6x + 8 = 0$, find two numbers that add to $6$ and multiply to $8$. These are $2$ and $4$. Rewrite as $x^2 + 2x + 4x + 8 = 0$, then group: $(x^2 + 2x) + (4x + 8) = 0$. Factor each part: $x(x + 2) + 4(x + 2) = 0$. Now factor the common binomial: $(x + 2)(x + 4) = 0$.
Question
Show how splitting the middle term of $x^2+6x+8=0$ leads to the factoring $(x+2)(x+4)=0$.
Hint: Look for common factors
Answer:
  • To split the middle term in $x^2 + 6x + 8 = 0$, find two numbers that add to $6$ and multiply to $8$. These are $2$ and $4$. Rewrite as $x^2 + 2x + 4x + 8 = 0$, then group: $(x^2 + 2x) + (4x + 8) = 0$. Factor each part: $x(x + 2) + 4(x + 2) = 0$. Now factor the common binomial: $(x + 2)(x + 4) = 0$.

Classifier: The text contains the AU spelling "factorisation", which needs to be localized to "factorization" for a US audience.

Verifier: The text contains the AU spelling "factorisation", which requires localization to "factorization" for US audiences.

sqn_52941143-81a1-401d-a96b-b8b245058678 Localize Units (simple)
Question
How do you know that the density of a rock cannot be $15$ cm$^3$?
Hint: Check density units
Answer:
  • Density must be measured in mass per volume (e.g., g/cm$^3$). cm$^3$ is a volume unit, not a density unit.
Question
How do you know that the density of a rock cannot be $15$ in$^3$?
Hint: Check density units
Answer:
  • Density must be measured in mass per volume (e.g., lb/in$^3$). in$^3$ is a volume unit, not a density unit.

Classifier: The text contains metric units ("cm^3" and "g/cm^3"). While the question is about the conceptual nature of density units, the specific metric examples should be localized to US customary equivalents (e.g., in^3 or lb/ft^3) or acknowledged as metric-pedagogy which still falls under units conversion rules.

Verifier: The text contains metric units ("cm^3" and "g/cm^3"). Even though the question is about the conceptual nature of units, the presence of metric units requires RED classification per the decision rules.

sqn_651b40cf-4cf8-4dce-8d1f-552e38fcd810 Localize Terminology
Question
Explain why $y=3x^2-12x+5$ has turning point $x=2$.
Answer:
  • Using $x=-\frac{b}{2a}$: Here $a=3$, $b=-12$, so $x=-\frac{-12}{2(3)}=2$. The parabola turns at $x=2$.
Question
Explain why $y=3x^2-12x+5$ has vertex $x=2$.
Answer:
  • Using $x=-\frac{b}{2a}$: Here $a=3$, $b=-12$, so $x=-\frac{-12}{2(3)}=2$. The parabola has a vertex at $x=2$.

Classifier: The term "turning point" is standard AU terminology for the vertex of a parabola. In a US context, "vertex" is the required term.

Verifier: The term "turning point" is standard AU terminology for the vertex of a parabola. In the US, "vertex" is the standard term.

sqn_69b6785f-84f9-4cad-a06c-b762a3afa28f Localize Spelling (AU-US)
Question
Explain why addition will be the first operation in solving $(5+3) \div 2$
Answer:
  • Addition is done first because the brackets tell us to solve what is inside them. $5 + 3 = 8$, then $8 \div 2 = 4$.
Question
Explain why addition will be the first operation in solving $(5+3) \div 2$
Answer:
  • Addition is done first because the parentheses tell us to solve what is inside them. $5 + 3 = 8$, then $8 \div 2 = 4$.

Classifier: The text uses the term "brackets", which is the standard AU/UK term for what is typically called "parentheses" in US mathematics. While "brackets" is sometimes used in the US for square brackets [], in this context of order of operations with ( ), it requires localization to "parentheses".

Verifier: The term "brackets" is used in the answer to refer to the symbols ( ), which in a US educational context are specifically called "parentheses". This is a standard terminology/spelling difference between AU/UK and US English in mathematics.

sqn_646dfe8a-5538-482d-8ca4-a5747f60bd67 Localize Terminology
Question
Explain why $(x - 3)(x + 2) = 0$ implies that $x=3$ or $x=-2$.
Answer:
  • By the Null Factor Law, if a product equals zero, at least one factor must be zero. So, either $x-3=0$ (which gives $x=3$) or $x+2=0$ (which gives $x=-2$). These are the only values making the product zero.
Question
Explain why $(x - 3)(x + 2) = 0$ implies that $x=3$ or $x=-2$.
Answer:
  • By the Zero Product Property, if a product equals zero, at least one factor must be zero. So, either $x-3=0$ (which gives $x=3$) or $x+2=0$ (which gives $x=-2$). These are the only values making the product zero.

Classifier: The text uses the term "Null Factor Law", which is the standard term in the Australian curriculum. In the US, this is almost exclusively referred to as the "Zero Product Property".

Verifier: The term "Null Factor Law" is specific to the Australian curriculum; the US equivalent is "Zero Product Property".

sqn_6bbba1a9-141b-4e6e-9462-4262d744337b Localize Spelling (AU-US)
Question
How do you know that the probability of the union is maximised when events have no overlap?
Answer:
  • The union is largest with no overlap, because then all outcomes from both events are added with nothing left out.
Question
How do you know that the probability of the union is maximized when events have no overlap?
Answer:
  • The union is largest with no overlap, because then all outcomes from both events are added with nothing left out.

Classifier: The word "maximised" uses the AU/UK 's' spelling; the US equivalent is "maximized".

Verifier: The word "maximised" uses the AU/UK 's' spelling, which requires localization to the US 'z' spelling ("maximized").

sqn_7d6537c2-2e83-4fed-aacb-35c666d4c7ba Localize Terminology
Question
How does the word “less” relate to subtraction in maths?
Answer:
  • It means taking away to make a smaller amount.
Question
How does the word “less” relate to subtraction in math?
Answer:
  • It means taking away to make a smaller amount.

Classifier: The text uses the term "maths", which is the standard AU/UK term. In the US, "math" is used. Per decision rules, terminology/spelling flags require RED classification.

Verifier: The text uses the term "maths", which is the standard AU/UK term, whereas the US uses "math". This requires a RED classification per the decision rules.

sqn_78aaff87-a8f4-4d5a-883d-52ab8cef5bb0 Localize Terminology
Question
Explain why the null factor law only applies when an equation is set equal to zero.
Answer:
  • Zero is special in multiplication. If any factor is zero, the whole product is zero. No other number works this way, so the law only applies when the product equals zero.
Question
Explain why the zero product property only applies when an equation is set equal to zero.
Answer:
  • Zero is special in multiplication. If any factor is zero, the whole product is zero. No other number works this way, so the property only applies when the product equals zero.

Classifier: The "null factor law" is a common term in Australia, but it is also used in US curricula (though "Zero Product Property" is more common). However, the term itself is not "incorrect" in US English and there are no spelling or unit issues. Under the strict rules, it is bi-dialect neutral.

Verifier: The term "null factor law" is the standard term in the Australian curriculum, whereas the US curriculum almost exclusively uses "Zero Product Property". While understandable, it is a distinct regional terminology difference in a school context.

sqn_62c7f720-e899-42d5-9411-3a9266cece86 Localize Units (simple)
Question
Why are grams used as the metric unit to measure mass rather than weight?
Hint: Gram is metric mass unit
Answer:
  • Grams measure mass, which is the amount of matter in an object. Weight depends on gravity, so it can change based on location. Mass stays the same, which is why grams are used in the metric system.
Question
Why are ounces used as the unit to measure mass rather than weight?
Hint: Ounce is a mass unit
Answer:
  • Ounces measure mass, which is the amount of matter in an object. Weight depends on gravity, so it can change based on location. Mass stays the same, which is why ounces are used in the US customary system.

Classifier: The question specifically discusses "grams" and the "metric system". Per the decision rules, any mention of metric units triggers a RED units category.

Verifier: The text explicitly mentions "grams" and the "metric system". Per rule 3, any metric unit found anywhere requires at least RED.units_simple_conversion.

sqn_681ea0f8-0214-45dd-9a0b-2ac17a82f32e Localize Spelling (AU-US)
Question
Show why the circle $(x - h)^2 + (y - k)^2 = r^2$ has its centre at $(h, k)$.
Answer:
  • The equation means every point $(x, y)$ on the circle is $r$ units from $(h, k)$. This makes $(h, k)$ the centre.
Question
Show why the circle $(x - h)^2 + (y - k)^2 = r^2$ has its center at $(h, k)$.
Answer:
  • The equation means every point $(x, y)$ on the circle is $r$ units from $(h, k)$. This makes $(h, k)$ the center.

Classifier: The text contains the AU spelling 'centre' twice, which needs to be converted to the US spelling 'center'.

Verifier: The text contains the AU spelling "centre" in both the question and the answer, which requires localization to "center".

sqn_70dce3f9-6add-4ee2-b391-7cb75343fd56 Localize Units (simple)
Question
Show that $2.5$ km is farther than $2000$ metres.
Answer:
  • $1$ km equals $1000$ metres. So $2.5$ km equals $2500$ metres. $2500$ metres is more than $2000$ metres, so $2.5$ km is farther.
Question
Show that $2.5$ mi is farther than $2000$ feet.
Answer:
  • $1$ mi equals $5280$ feet. So $2.5$ mi equals $13200$ feet. $13200$ feet is more than $2000$ feet, so $2.5$ mi is farther.

Classifier: The text contains metric units ("km", "metres") and AU-specific spelling ("metres"). Per decision rules, any metric unit requires at least RED.units_simple_conversion.

Verifier: Contains metric units ("km", "metres") and AU spelling ("metres"), requiring RED classification per decision rules.

sqn_6c7814f7-5233-4ad2-b737-1df28f51def4 Localize Terminology
Question
Explain why $402$ is named “four hundred and two.”
Hint: Use standard naming
Answer:
  • The $4$ is $400$, the $0$ shows no tens, and the $2$ is $2$. Together they make “four hundred and two.”
Question
Explain why $402$ is named “four hundred two.”
Hint: Use standard naming
Answer:
  • The $4$ is $400$, the $0$ shows no tens, and the $2$ is $2$. Together they make “four hundred two.”

Classifier: In US mathematics pedagogy, the word "and" is strictly reserved for the decimal point when naming numbers (e.g., 402 is "four hundred two"). Including "and" in whole number names is a characteristic of AU/UK English that requires localization for US school standards.

Verifier: The use of "and" in whole number names (e.g., "four hundred and two") is standard in AU/UK English but is explicitly taught as incorrect in US mathematics pedagogy, where "and" is reserved for the decimal point.

sqn_6a7b82d9-aef0-4b3f-ad84-10048165889a Localize Terminology
Question
Does parabola $y=(x+2)^2+3$ have a turning point at $(-2,3)$ and pass through the point $(1,10)$? Explain why or why not.
Answer:
  • Yes, the turning point is at $(-2,3)$ because in the form $y=(x-h)^2+k$, we have $x+2=(x-(-2))$ and $k=3$. We can verify it passes through $(1,10)$ by substituting $x=1$: $y=(1+2)^2+3 = 9+3 = 10$.
Question
Does parabola $y=(x+2)^2+3$ have a vertex at $(-2,3)$ and pass through the point $(1,10)$? Explain why or why not.
Answer:
  • Yes, the vertex is at $(-2,3)$ because in the form $y=(x-h)^2+k$, we have $x+2=(x-(-2))$ and $k=3$. We can verify it passes through $(1,10)$ by substituting $x=1$: $y=(1+2)^2+3 = 9+3 = 10$.

Classifier: The term "turning point" is the standard AU term for the "vertex" of a parabola in US curriculum.

Verifier: The term "turning point" is the standard Australian curriculum term for what is referred to as the "vertex" of a parabola in the US.

sqn_768cab1b-207b-49ca-ac31-8fb935822194 Localize Units (textual)
Question
Tim says 'miles' is not a metric unit used to measure length. How do you know he is correct?
Hint: Mile is imperial distance unit
Answer:
  • He's right. Miles are part of the imperial system. The metric system uses units like metres or kilometres for length.
Question
Tim says 'meters' is not a US customary unit used to measure length. How do you know he is correct?
Hint: Meter is a metric distance unit
Answer:
  • He's right. Meters are part of the metric system. The US customary system uses units like feet or miles for length.

Classifier: The question explicitly discusses the metric system and contains AU spellings of metric units ("metres", "kilometres"). It is a conceptual/textual discussion of units.

Verifier: The question discusses the metric system and contains AU spellings of metric units ("metres", "kilometres"). This is a textual discussion of units.

sqn_84f2d059-ef0d-40a7-a8b6-ac30eed36eb7 Localize Terminology
Question
Explain why 'product of $2$ more than $x$ and $3$' needs brackets.
Answer:
  • '$2$ more than $x$' is the group $x+2$, and multiplying it by $3$ gives $3(x+2)$. Without brackets, $3x+2$ would mean something different, so the brackets are needed.
Question
Explain why 'product of $2$ more than $x$ and $3$' needs parentheses.
Answer:
  • '$2$ more than $x$' is the group $x+2$, and multiplying it by $3$ gives $3(x+2)$. Without parentheses, $3x+2$ would mean something different, so the parentheses are needed.

Classifier: The text uses the term "brackets", which is the standard AU/UK term for what is referred to as "parentheses" in US school mathematics.

Verifier: The term "brackets" is used in the question and answer, which is the standard AU/UK term for "parentheses" in US school mathematics.

sqn_6ca8cc5e-f1df-4219-9960-08f2ab709fdd Localize Units (textual)
Question
How do you know whether to multiply by $100$, $100^2$, or $100^3$ when converting between units in different dimensions?
Hint: Count dimension changes
Answer:
  • You choose based on how many dimensions you're converting. Multiply by $100$ for length (1D), $100^2$ for area (2D), and $100^3$ for volume (3D), because each dimension is scaled by $100$.
Question
How do you know whether to multiply by $12$, $12^2$, or $12^3$ when converting between units in different dimensions?
Hint: Count dimension changes
Answer:
  • You choose based on how many dimensions you're converting. Multiply by $12$ for length (1D), $12^2$ for area (2D), and $12^3$ for volume (3D), because each dimension is scaled by $12$.

Classifier: The question discusses the logic of converting between units in different dimensions using powers of 100. While no specific metric unit like "cm" is named, the factor of 100 is explicitly tied to metric system conversions (e.g., cm to m, cm^2 to m^2). This represents metric-pedagogy context that needs review for US localization where customary units (factors of 12, 3, etc.) are primary.

Verifier: The question focuses on the logic of converting units using powers of 100 (100, 100^2, 100^3). This is specific to metric system pedagogy (e.g., cm to m). In a US context, students primarily learn conversions using factors like 12 (inches/feet) or 3 (feet/yards), making this metric-centric logic a candidate for localization review.

sqn_7a23b5ab-0543-4ce2-93e5-e8902c615a00 Localize Units (simple)
Question
Explain why the ratio of $4$ m to $50$ cm is equivalent to $8:1$.
Hint: $1$ m = $100$ cm
Answer:
  • $4$ m is $400$ cm, so the ratio is $400:50$. Dividing both by $50$ gives $8:1$.
Question
Explain why the ratio of $4$ ft to $6$ in is equivalent to $8:1$.
Hint: $1$ ft = $12$ in
Answer:
  • $4$ ft is $48$ in, so the ratio is $48:6$. Dividing both by $6$ gives $8:1$.

Classifier: Contains metric units "m" (metres) and "cm" (centimetres) which require localization to US customary units or a different pedagogical context.

Verifier: The question explicitly uses metric units ("m" and "cm") and involves a simple conversion factor (1 m = 100 cm), which requires localization for US audiences.

sqn_7f2cfb26-dce8-4023-97ce-45c938944ff0 Localize Units (simple)
Question
A trapezium has parallel sides of $8$ cm and $4$ cm, with a height of $5$ cm. Explain why its area is $30$ cm$^2$.
Answer:
  • The sum of the parallel sides is $12$. Half of this is $6$. Multiplying $6$ by the height $5$ gives $30$ cm$^2$, so the area is $30$ cm$^2$.
Question
A trapezoid has parallel sides of $8$ in and $4$ in, with a height of $5$ in. Explain why its area is $30$ in$^2$.
Answer:
  • The sum of the parallel sides is $12$. Half of this is $6$. Multiplying $6$ by the height $5$ gives $30$ in$^2$, so the area is $30$ in$^2$.

Classifier: Contains metric units ("cm", "cm^2") and the term "trapezium" which is the AU term for the US "trapezoid". Per rule 6, units conversion takes precedence over terminology.

Verifier: Contains metric units (cm, cm^2) and the term "trapezium" (AU/UK) which corresponds to "trapezoid" (US). Units conversion takes precedence.

sqn_7f893203-b5f3-4ce2-9005-858e7f81d6d8 Localize Units (simple)
Question
Explain why the hypotenuse of a triangle with legs of $6$ cm and $8$ cm is $10$ cm.
Answer:
  • $6^2+8^2=36+64=100$, and $\sqrt{100}=10$, so the hypotenuse is $10$.
Question
Explain why the hypotenuse of a triangle with legs of $6$ in and $8$ in is $10$ in.
Answer:
  • $6^2+8^2=36+64=100$, and $\sqrt{100}=10$, so the hypotenuse is $10$.

Classifier: Contains metric units ("cm") which require localization to US customary units.

Verifier: Contains metric units ("cm") which require localization to US customary units.

sqn_92af861a-f093-440f-964d-f95cd744f011 Localize Terminology
Question
How do you know $\sqrt{5}$ is a surd but $\sqrt{9}$ is not?
Answer:
  • $\sqrt{5}$ irrational, no perfect square factors. $\sqrt{9}=3$ rational number, not surd.
Question
How do you know $\sqrt{5}$ is a radical but $\sqrt{9}$ is not?
Answer:
  • $\sqrt{5}$ irrational, no perfect square factors. $\sqrt{9}=3$ rational number, not a radical.

Classifier: The term "surd" is standard in AU/UK curriculum but is significantly less common in US K-12 education, where "radical" or "irrational number" is preferred. Per decision rules, terminology takes precedence over GREEN.

Verifier: The term "surd" is a specific mathematical term used in the AU/UK curriculum that is typically replaced by "radical" or "irrational number" in the US context.

sqn_71c3c39e-b07b-41bc-8ca5-bec5838d4e1e Localize Units (simple)
Question
Explain why a triangle with sides $5$ cm, $7$ cm, and an included angle $60^\circ$ has an area of approximately $15.2$ cm$^2$.
Answer:
  • Using area formula Area $=\frac{1}{2}ab\sin C$: Area $=\frac{1}{2}(5)(7)\sin(60^\circ) = \frac{35}{2} \times \frac{\sqrt{3}}{2} = \frac{35\sqrt{3}}{4}$. Since $\sqrt{3} \approx 1.732$, Area $\approx \frac{35 \times 1.732}{4} \approx 15.155 \approx 15.2$ cm$^2$.
Question
Explain why a triangle with sides $5$ in, $7$ in, and an included angle $60^\circ$ has an area of approximately $15.2$ in$^2$.
Answer:
  • Using area formula Area $=\frac{1}{2}ab\sin C$: Area $=\frac{1}{2}(5)(7)\sin(60^\circ) = \frac{35}{2} \times \frac{\sqrt{3}}{2} = \frac{35\sqrt{3}}{4}$. Since $\sqrt{3} \approx 1.732$, Area $\approx \frac{35 \times 1.732}{4} \approx 15.155 \approx 15.2$ in$^2$.

Classifier: The text contains metric units ("cm" and "cm^2") which require conversion to US customary units.

Verifier: The text contains metric units ("cm" and "cm^2") which require conversion to US customary units.

sqn_85bd4a2b-008c-47ab-a5f1-e8b98ce6cc63 Localize Spelling (AU-US)
Question
Explain why factorising $x^2+9x+14=0$ starts by splitting $9x$ into $7x+2x$.
Hint: Consider term splitting
Answer:
  • To factorise $ax^2+bx+c$ by splitting the middle term, we need two numbers that multiply to $ac$ (here $1 \times 14 = 14$) and add to $b$ (here $9$). The numbers $7$ and $2$ satisfy these conditions ($7 \times 2 = 14$ and $7+2=9$). Therefore, we split $9x$ into $7x+2x$ to enable factorisation by grouping.
Question
Explain why factoring $x^2+9x+14=0$ starts by splitting $9x$ into $7x+2x$.
Hint: Consider term splitting
Answer:
  • To factor $ax^2+bx+c$ by splitting the middle term, we need two numbers that multiply to $ac$ (here $1 \times 14 = 14$) and add to $b$ (here $9$). The numbers $7$ and $2$ satisfy these conditions ($7 \times 2 = 14$ and $7+2=9$). Therefore, we split $9x$ into $7x+2x$ to enable factoring by grouping.

Classifier: The text contains the AU/UK spelling "factorising" and "factorisation", which needs to be converted to the US spelling "factorizing" and "factorization".

Verifier: The text contains "factorising" and "factorise", which are AU/UK spellings. Per rule 1, AU spelling always requires RED classification.

sqn_9a3f9bd0-05d1-4715-b13b-9285e3bf9b11 Localize Cultural refs
Question
Why does 'share equally' mean the same as 'divide evenly'?
Answer:
  • Both mean everyone gets the same amount. For example, if $6$ lollies are shared equally or divided evenly between $2$ children, each gets $3$.
Question
Why does 'share equally' mean the same as 'divide evenly'?
Answer:
  • Both mean everyone gets the same amount. For example, if $6$ pieces of candy are shared equally or divided evenly between $2$ children, each gets $3$.

Classifier: The term "lollies" is a distinct Australian/Commonwealth cultural reference for "candy" or "sweets".

Verifier: The term "lollies" is a specific Australian/Commonwealth term for candy/sweets and requires localization for a US audience.

sqn_9a2b81b1-a10b-405b-bf3c-a46d583e151f Localize Terminology
Question
How do you know $\tan \theta$ gives the gradient of a line?
Hint: Connect slope to tangent
Answer:
  • $\tan \theta = \frac{\text{opposite}}{\text{adjacent}} = \frac{\text{rise}}{\text{run}} = \text{gradient}$.
Question
How do you know $\tan \theta$ gives the slope of a line?
Hint: Connect slope to tangent
Answer:
  • $\tan \theta = \frac{\text{opposite}}{\text{adjacent}} = \frac{\text{rise}}{\text{run}} = \text{slope}$.

Classifier: The term "gradient" is the standard AU term for what is referred to as "slope" in US mathematics. While "gradient" is used in US vector calculus, in this context (tan theta, rise/run), it specifically maps to the US school term "slope".

Verifier: The term "gradient" is the standard Australian school term for "slope". In a US context, "slope" is used for lines, while "gradient" is typically reserved for vector calculus.

sqn_96ee4215-0e43-4ea3-af79-cb57e05fd22d Localize Units (simple)
Question
There is $13\%$ aluminium in an alloy. Explain why $250$ grams of the alloy will have $32.5$ grams of aluminium.
Answer:
  • $13\%$ means $\frac{13}{100}$. Multiplying $\frac{13}{100} \times 250$ gives $32.5$. So $250$ grams of the alloy has $32.5$ grams of aluminium.
Question
There is $13\%$ aluminum in an alloy. Explain why $250$ ounces of the alloy will have $32.5$ ounces of aluminum.
Answer:
  • $13\%$ means $\frac{13}{100}$. Multiplying $\frac{13}{100} \times 250$ gives $32.5$. So $250$ ounces of the alloy has $32.5$ ounces of aluminum.

Classifier: The text contains metric units ("grams") and AU-specific spelling ("aluminium"). Per the decision rules, the presence of metric units triggers the units category, which takes precedence over spelling.

Verifier: The text contains metric units ("grams") and AU-specific spelling ("aluminium"). Per decision rule 5, units conversion takes precedence over spelling.

sqn_92ec411f-6cd8-418f-87cd-37efa00d91a4 Localize Units (simple)
Question
Prove that $3$ kg is not the same as $3500$ grams.
Hint: $1$ kg $= 1000$ g
Answer:
  • $1$ kilogram equals $1000$ grams. $3$ kg equals $3 \times 1000 = 3000$ g. $3000$ g is not the same as $3500$ g.
Question
Prove that $3$ lb is not the same as $3500$ ounces.
Hint: $1$ lb $= 16$ oz
Answer:
  • $1$ pound equals $16$ ounces. $3$ lb equals $3 \times 16 = 48$ oz. $48$ oz is not the same as $3500$ oz.

Classifier: The text contains metric units ("kg", "grams", "kilogram"). According to the decision rules, any metric unit found anywhere in the text requires at least this category.

Verifier: The text contains metric units ("kg", "grams", "kilogram"). Per decision rules, any metric unit requires at least RED.units_simple_conversion.

sqn_9d8a2530-2b74-477d-89ab-504bc00dfbad Localize Units (simple)
Question
How do you know $150$ cm equals $1.5$ metres?
Answer:
  • $1$ metre is $100$ cm. $150$ cm is $100$ cm plus another $50$ cm. That makes $1$ metre and $0.5$ metre, which is $1.5$ metres.
Question
How do you know $150$ in equals $1.5$ feet?
Answer:
  • $1$ foot is $100$ in. $150$ in is $100$ in plus another $50$ in. That makes $1$ foot and $0.5$ foot, which is $1.5$ feet.

Classifier: The text contains metric units ("cm", "metres") and AU spelling ("metres"). Per the decision rules, any metric unit requires at least RED.units_simple_conversion.

Verifier: Contains metric units ("cm", "metres") and AU spelling ("metres"). Per rule 3, any metric unit requires at least RED.units_simple_conversion.

sqn_932b62ae-ea29-4a61-ac68-213cb2de0fc8 Localize Terminology
Question
Explain why $x^2 - 2x - 3$ can be written as $(x - 1)^2 - 4$ in turning point form.
Hint: Complete square with $-2x$ term
Answer:
  • Complete square: $x^2-2x-3=(x^2-2x+1)-1-3=(x-1)^2-4$. Term $-4$ comes from constant and squared completion term.
Question
Explain why $x^2 - 2x - 3$ can be written as $(x - 1)^2 - 4$ in vertex form.
Hint: Complete the square with the $-2x$ term
Answer:
  • Complete the square: $x^2-2x-3=(x^2-2x+1)-1-3=(x-1)^2-4$. The term $-4$ comes from the constant and the squared completion term.

Classifier: The term "turning point form" is the standard AU term for what is called "vertex form" in the US. This requires terminology localization.

Verifier: The term "turning point form" is the standard AU terminology for what is known as "vertex form" in the US curriculum.

sqn_a1f1b74b-fe6f-446a-96b0-18c9e5ebf4e4 Localize Units (simple)
Question
How do you know $2.5$ kilograms equals $2500$ grams?
Hint: $1$ kg $= 1000$ g
Answer:
  • $1$ kilogram equals $1000$ grams. Multiply $2.5 \times 1000 = 2500$. So, $2.5$ kilograms equals $2500$ grams.
Question
How do you know $2.5$ pounds equals $40$ ounces?
Hint: $1$ lb $= 16$ oz
Answer:
  • $1$ pound equals $16$ ounces. Multiply $2.5 \times 16 = 40$. So, $2.5$ pounds equals $40$ ounces.

Classifier: The content explicitly uses metric units (kilograms, grams, kg, g) which requires localization to US customary units or a units-focused classification per the decision rules.

Verifier: The content contains metric units (kilograms, grams, kg, g) which require localization to US customary units. The conversion is a simple numeric scale factor (1000), fitting simple_conversion.

sqn_d20b1395-c722-4675-b7ac-fc7a7c871d36 Localize Units (textual)
Question
When should you measure something in mm and when in cm?
Answer:
  • Use mm for very small things and cm for bigger things, so the numbers are easy to read.
Question
When should you measure something in inches and when in feet?
Answer:
  • Use inches for very small things and feet for bigger things, so the numbers are easy to read.

Classifier: The text explicitly discusses metric units (mm and cm) conceptually. Per the decision rules, any metric unit found anywhere requires a RED classification. Since it's a conceptual discussion without specific values to calculate, it falls under textual conversion.

Verifier: The question explicitly references metric units (mm and cm). Per rule 3, any metric unit requires RED classification. Since it is a conceptual discussion of units, RED.units_textual_conversion is correct.

sqn_b3fb863b-3e02-4eb6-aaa8-d62879f973d4 Localize Answer set
Question
Why is a quadrilateral with exactly one pair of parallel sides called a trapezium?
Answer:
  • A trapezium is the name for a quadrilateral that has one pair of parallel sides. So if a quadrilateral has only one pair of parallel sides, it must be a trapezium.
Question
Why is a quadrilateral with exactly one pair of parallel sides called a trapezoid?
Answer:
  • A trapezoid is the name for a quadrilateral that has one pair of parallel sides. So if a quadrilateral has only one pair of parallel sides, it must be a trapezoid.

Classifier: The term "trapezium" is used to describe a quadrilateral with exactly one pair of parallel sides. In the US, this is called a "trapezoid". This requires localization of the geometric term.

Verifier: The term "trapezium" is the standard AU/UK term for what is called a "trapezoid" in the US. This is a terminology difference requiring localization.

sqn_bb9e05cf-7dd2-4158-aedd-a32bc085242b Localize Terminology
Question
How do you know $(5 + 3) \times 2$ equals $16$?
Answer:
  • Brackets are done first: $5 + 3 = 8$, then multiply: $8 \times 2 = 16$. Without brackets, we'd do $3 \times 2$ first, getting a different result.
Question
How do you know $(5 + 3) \times 2$ equals $16$?
Answer:
  • Parentheses are done first: $5 + 3 = 8$, then multiply: $8 imes 2 = 16$. Without parentheses, we'd do $3 imes 2$ first, getting a different result.

Classifier: The text uses the term "Brackets" to refer to the grouping symbols ( ) in an order of operations context. In US math pedagogy, these are specifically called "parentheses".

Verifier: The answer uses the term "Brackets" to refer to parentheses in an order of operations context. This is a distinct pedagogical terminology difference between AU/UK and US (where "parentheses" is used for ( ) and "brackets" usually refers to [ ]).

sqn_dc7b6dd3-f6d4-4101-8805-e05d9429f6fd Localize Terminology
Question
Explain why $x(x+3)=0$ has solutions $x=0$ or $x=-3$.
Answer:
  • By null factor law, if product is zero, one factor must be zero. Either $x=0$ or $x+3=0$ (giving $x=-3$).
Question
Explain why $x(x+3)=0$ has solutions $x=0$ or $x=-3$.
Answer:
  • By the zero product property, if the product is zero, one factor must be zero. Either $x=0$ or $x+3=0$ (giving $x=-3$).

Classifier: The text uses the term "null factor law", which is the standard Australian term for what is known in the US as the "Zero Product Property".

Verifier: The answer text uses "null factor law", which is a specific Australian curriculum term for the Zero Product Property.

sqn_e0b63507-a45d-4317-be5f-d9dcdf9073fd Localize Terminology
Question
$\frac{1}{3}$ of the apples in a basket are green. How do you know $\frac{1}{3}$ is a recurring decimal?
Answer:
  • Dividing $1$ by $3$ leaves a remainder that never ends, so the decimal $0.333…$ repeats forever.
Question
$\frac{1}{3}$ of the apples in a basket are green. How do you know $\frac{1}{3}$ is a repeating decimal?
Answer:
  • Dividing $1$ by $3$ leaves a remainder that never ends, so the decimal $0.333…$ repeats forever.

Classifier: The term "recurring decimal" is the standard AU/UK term, whereas "repeating decimal" is the standard US term. This requires terminology localization.

Verifier: The term "recurring decimal" is the standard terminology in Australia/UK, whereas "repeating decimal" is used in the US. This requires localization.

sqn_adb99f42-3c9c-447f-9d01-2e2668d256eb Localize Terminology
Question
Show why the parabola $y=x^2+6x+5$ has its turning point at $(-3,-4)$.
Answer:
  • The $x$-coordinate of the vertex is $x = -\frac{b}{2a} = -\frac{6}{2 \times 1} = -3$. Substitute $x=-3$: $y = (-3)^2 + 6(-3) + 5 = 9 - 18 + 5 = -4$. The turning point is $(-3, -4)$.
Question
Show why the parabola $y=x^2+6x+5$ has its vertex at $(-3,-4)$.
Answer:
  • The $x$-coordinate of the vertex is $x = -\frac{b}{2a} = -\frac{6}{2 \times 1} = -3$. Substitute $x=-3$: $y = (-3)^2 + 6(-3) + 5 = 9 - 18 + 5 = -4$. The vertex is $(-3, -4)$.

Classifier: The term "turning point" is the standard AU term for what is called the "vertex" of a parabola in the US. Although "vertex" is used in the answer, the question itself uses "turning point".

Verifier: The term "turning point" is the standard Australian curriculum term for the vertex of a parabola. In the US, "vertex" is almost exclusively used.

sqn_adf077ef-8a5c-4ae5-9dd1-1bea2ef6119c Localize Units (simple)
Question
Show that $2$ m$^3$ plus $500$ cm$^3$ is not the same as $2.5$ litres.
Answer:
  • $2$ m$^3 = 2000$ litres and $500$ cm$^3 = 0.5$ litres. Together they make $2000.5$ litres, which is much bigger than $2.5$ litres.
Question
Show that $2$ ft$^3$ plus $500$ in$^3$ is not the same as $2.5$ gallons.
Answer:
  • $2$ ft$^3 = 2000$ gallons and $500$ in$^3 = 0.5$ gallons. Together they make $2000.5$ gallons, which is much bigger than $2.5$ gallons.

Classifier: The text contains multiple metric units (m^3, cm^3, litres) and the AU spelling "litres". Per decision rules, any metric unit requires at least RED.units_simple_conversion.

Verifier: The text contains metric units (m^3, cm^3, litres) and the AU spelling "litres". Per rule 3, any metric unit requires at least RED.units_simple_conversion.

sqn_b23075f8-ff16-42e3-9995-a2b20fa4dd00 Localize Units (simple)
Question
How do you know a $15$ cm pencil is longer than a $12$ mm pen?
Answer:
  • $1$ cm is already bigger than $12$ mm. The pencil has $15$ cm, so it must be much longer than the pen.
Question
How do you know a $15$ in pencil is longer than a $12$ in pen?
Answer:
  • $15$ in is already bigger than $12$ in. The pencil has $15$ in, so it must be longer than the pen.

Classifier: Contains metric units "cm" and "mm" which require localization for a US audience.

Verifier: The text contains metric units "cm" and "mm" which require conversion for a US audience. The conversion is simple as it involves comparing lengths.

sqn_a339fb58-b8ce-4f97-ae3d-e367a5709c48 Localize Spelling (AU-US)
Question
Pat represents $108$ as $2^2 \cdot 3^3$. How do you know he is correct?
Hint: Test prime factorisation
Answer:
  • Calculate: $2^2 = 4$, $3^3 = 27$, then $4 \times 27 = 108$. All factors are prime and their powers give correct product.
Question
Pat represents $108$ as $2^2 \cdot 3^3$. How do you know he is correct?
Hint: Test prime factorization
Answer:
  • Calculate: $2^2 = 4$, $3^3 = 27$, then $4 \times 27 = 108$. All factors are prime and their powers give the correct product.

Classifier: The hint contains the AU spelling "factorisation" (ending in -isation), which requires conversion to the US spelling "factorization" (-ization).

Verifier: The hint contains "factorisation", which is the AU/British spelling. Per rule 1, any AU spelling requires RED classification.

sqn_affc44df-575f-496e-bad5-dd6eb07a836a Localize Spelling (AU-US)
Question
Explain why factorising by grouping works, using an example like $ax+ay+bx+by$.
Answer:
  • Group pairs: $(ax+ay)+(bx+by)$. Factor common monomial: $a(x+y)+b(x+y)$. Factor common binomial: $(x+y)(a+b)$. It relies on creating a common binomial factor.
Question
Explain why factoring by grouping works, using an example like $ax+ay+bx+by$.
Answer:
  • Group pairs: $(ax+ay)+(bx+by)$. Factor common monomial: $a(x+y)+b(x+y)$. Factor common binomial: $(x+y)(a+b)$. It relies on creating a common binomial factor.

Classifier: Contains the AU spelling "factorising", which needs to be converted to the US spelling "factorizing".

Verifier: Contains the AU spelling "factorising", which needs to be converted to the US spelling "factorizing".

sqn_b5132d27-fa4f-43eb-94d6-6f7102adf698 Localize Units (simple)
Question
Show that $12.25$ m$^3$ plus $750$ millilitres is not the same as $13$ litres.
Answer:
  • $12.25$ m$^3 = 12250$ litres and $750$ millilitres = $0.75$ litres. Together they make $12250.75$ litres, which is much bigger than $13$ litres.
Question
Show that $12.25$ ft$^3$ plus $750$ fluid ounces is not the same as $13$ gallons.
Answer:
  • $12.25$ ft$^3 = 12250$ gallons and $750$ fluid ounces = $0.75$ gallons. Together they make $12250.75$ gallons, which is much bigger than $13$ gallons.

Classifier: The text contains multiple metric units (m^3, millilitres, litres) and AU-specific spelling ("millilitres", "litres"). Per rule 6, units conversion takes precedence over spelling.

Verifier: The text contains multiple metric units (m^3, millilitres, litres) and AU-specific spelling ("millilitres", "litres"). Per rule 5, units conversion takes precedence over spelling.

sqn_bc62038b-ea8a-490e-b8d8-8a77197b8022 Localize Spelling (AU-US)
Question
How do you know $\sqrt{50}$ equals $5\sqrt{2}$?
Hint: Consider prime factorisation
Answer:
  • Factor $50=25 \times 2=5^2 \times 2$. Therefore $\sqrt{50}=\sqrt{25 \times 2}=5\sqrt{2}$.
Question
How do you know $\sqrt{50}$ equals $5\sqrt{2}$?
Hint: Consider prime factorization
Answer:
  • Factor $50=25 \times 2=5^2 \times 2$. Therefore $\sqrt{50}=\sqrt{25 \times 2}=5\sqrt{2}$.

Classifier: The hint contains the AU/UK spelling "factorisation", which requires conversion to the US spelling "factorization".

Verifier: The hint contains the AU/UK spelling "factorisation", which requires localization to the US spelling "factorization".

sqn_ddbc61c9-7dc0-42f3-9c61-346f75e56cad Localize Terminology
Question
How do you know $4 \times (10 - 3 \times 2)$ equals $16$ not $56$?
Answer:
  • Multiplication is done first inside the brackets. $3 \times 2 = 6$, then $10 - 6 = 4$, and $4 \times 4 = 16$. If subtraction was done first, it would give $56$, but that is not correct.
Question
How do you know $4 \times (10 - 3 \times 2)$ equals $16$ not $56$?
Answer:
  • Multiplication is done first inside the parentheses. $3 \times 2 = 6$, then $10 - 6 = 4$, and $4 \times 4 = 16$. If subtraction was done first, it would give $56$, but that is not correct.

Classifier: The text uses the term "brackets", which is the standard AU/UK term for what is typically called "parentheses" in US mathematics context.

Verifier: The use of the term "brackets" in a mathematical context is the standard terminology for Australia/UK, whereas "parentheses" is typically used in the US. This falls under school terminology.

sqn_c2901fb2-39a0-4710-be6d-316c68c7a92b Localize Units (simple)
Question
Explain why converting $4500$ grams to kilograms requires dividing by $1000$.
Hint: $1$ kilogram = $1000$ grams
Answer:
  • $1$ kilogram = $1000$ grams. To find how many kilograms are in $4500$ grams, we divide $4500 \div 1000 = 4.5$. This gives the amount in kilograms.
Question
Explain why converting $4500$ ounces to pounds requires dividing by $16$.
Hint: $1$ pound = $16$ ounces
Answer:
  • $1$ pound = $16$ ounces. To find how many pounds are in $4500$ ounces, we divide $4500 \div 16 = 281.3$. This gives the amount in pounds.

Classifier: The content explicitly uses and asks about converting between metric units (grams and kilograms). Per the decision rules, any metric unit found anywhere in the text requires at least this category.

Verifier: The content explicitly uses metric units (grams and kilograms). According to rule 3, any metric unit found anywhere requires at least RED.units_simple_conversion. The conversion is a straightforward numeric change, so simple is correct.

sqn_a5f674a2-1b38-485a-a5ab-19dddbfdb54a Localize Units (simple)
Question
How do you know a $6$ cm$\times$ $3$ cm $\times$ $2$ cm box and $3$ cm $\times$ $2$ cm $\times$ $6$ cm box are the same?
Answer:
  • Both boxes have the same volume: $6 \times 3 \times 2 = 36$ cm$^3$. Changing the order of multiplication doesn't affect the result, so rearranging dimensions gives the same volume.
Question
How do you know a $6$ in$\times$ $3$ in $\times$ $2$ in box and $3$ in $\times$ $2$ in $\times$ $6$ in box are the same?
Answer:
  • Both boxes have the same volume: $6 \times 3 \times 2 = 36$ in$^3$. Changing the order of multiplication doesn't affect the result, so rearranging dimensions gives the same volume.

Classifier: The text contains metric units ("cm", "cm^3") which require localization to US customary units according to the decision rules.

Verifier: The text contains metric units (cm, cm^3) which require conversion to US customary units.

sqn_e30d93cc-b5f7-48f7-9e1d-09b2f92c0327 Localize Units (simple)
Question
Tim has a $40\%$ chance of winning a $10$ km marathon. How do you know he is expected to lose $12$ marathons if he runs in $20$?
Answer:
  • A $40\%$ chance of winning means a $60\%$ chance of losing. $60\%$ of $20$ is $12$, so he is expected to lose $12$ marathons.
Question
Tim has a $40\%$ chance of winning a $10$ mi marathon. How do you know he is expected to lose $12$ marathons if he runs in $20$?
Answer:
  • A $40\%$ chance of winning means a $60\%$ chance of losing. $60\%$ of $20$ is $12$, so he is expected to lose $12$ marathons.

Classifier: Contains the metric unit "km" (kilometers), which requires localization for a US audience.

Verifier: Contains the metric unit "km" (kilometers), which requires conversion for US localization. It is a simple conversion as the unit is descriptive and doesn't involve complex equations.

sqn_b51930b0-907e-4569-911d-3287fcf913c6 Localize Units (simple)
Question
Explain why measuring $1000$ mm in cm gives $100$, not $10$.
Answer:
  • $1$ cm equals $10$ mm. To change $1000$ mm to cm, I divide by $10$. $1000 \div 10 = 100$. That is why it is $100$ cm, not $10$ cm.
Question
Explain why measuring $1000$ in in ft gives $100$, not $10$.
Answer:
  • $1$ ft equals $10$ in. To change $1000$ in to ft, I divide by $10$. $1000 \div 10 = 100$. That is why it is $100$ ft, not $10$ ft.

Classifier: The text contains metric units (mm, cm) and is specifically about metric-pedagogy (converting between metric units), which requires localization to US customary units or a different pedagogical approach.

Verifier: The question involves converting between metric units (mm to cm), which requires localization to US customary units or a different pedagogical approach.

sqn_afc0b7fe-6513-4292-b7a9-312da220ab58 Localize Terminology
Question
How do you know that the turning point form of the quadratic expression $x^2 - 4x + 1$ is $(x - 2)^2 - 3$?
Hint: Complete square: $(x-2)^2-3$
Answer:
  • Complete square: $x^2-4x+1=(x^2-4x+4)-4+1=(x-2)^2-3$. Verify: both equal when expanded.
Question
How do you know that the vertex form of the quadratic expression $x^2 - 4x + 1$ is $(x - 2)^2 - 3$?
Hint: Complete the square: $(x-2)^2-3$
Answer:
  • Complete the square: $x^2-4x+1=(x^2-4x+4)-4+1=(x-2)^2-3$. Verify: both are equal when expanded.

Classifier: The term "turning point form" is the standard AU term for what is called "vertex form" in the US.

Verifier: The term "turning point form" is the standard AU term for what is called "vertex form" in the US. This requires localization for the US market.

sqn_e8dcfd71-8659-407c-93e1-ff2888b5056b Localize Answer set
Question
Explain why the area formula for trapeziums includes averaging the two parallel sides.
Answer:
  • The sides are unequal, and averaging gives a single base length that represents them both fairly, so the area can be calculated with the height.
Question
Explain why the area formula for trapezoids includes averaging the two parallel sides.
Answer:
  • The sides are unequal, and averaging gives a single base length that represents them both fairly, so the area can be calculated with the height.

Classifier: The term "trapeziums" is the standard AU/UK term for the shape known as a "trapezoid" in the US. This requires terminology localization.

Verifier: The term "trapeziums" is the standard AU/UK term for the shape known as a "trapezoid" in the US. This requires terminology localization.

sqn_d5c94483-f916-46a2-9c1b-97444e5b6bc4 Localize Spelling (AU-US)
Question
Explain why splitting the middle term helps in factorising $x^2+5x+6=0$.
Hint: Consider sum and product patterns
Answer:
  • Split $5x \to 2x+3x$. Grouping $x^2+2x+3x+6$ reveals a common factor, leading to $(x+2)(x+3)=0$.
Question
Explain why splitting the middle term helps in factoring $x^2+5x+6=0$.
Hint: Consider sum and product patterns
Answer:
  • Split $5x \to 2x+3x$. Grouping $x^2+2x+3x+6$ reveals a common factor, leading to $(x+2)(x+3)=0$.

Classifier: The text contains the AU spelling "factorising", which requires conversion to the US spelling "factorizing".

Verifier: The word "factorising" in the content field is the AU/British spelling and requires localization to "factorizing" for the US locale.

sqn_e44f9838-f095-451f-9557-9a0768d37dbd Localize Cultural refs
Question
How do you know one $\$5$ note has the same value as ten $20$ cent coins and six $50$ cent coins?
Answer:
  • Ten $20$ cent coins make $\$2$. Six $50$ cent coins make $\$3$. Together that is $\$5$, the same as one $\$5$ note.
Question
How do you know one $\$5$ bill has the same value as ten $20$ cent coins and six $50$ cent coins?
Answer:
  • Ten $20$ cent coins make $\$2$. Six $50$ cent coins make $\$3$. Together that is $\$5$, the same as one $\$5$ bill.

Classifier: The question refers to specific denominations of currency ("$5 note", "20 cent coins", "50 cent coins"). While the dollar sign is shared, the specific coin denominations (20c, 50c) and the term "note" (vs US "bill") are characteristic of the Australian currency system and differ from the US (which uses nickels, dimes, quarters, and $1/$5 bills).

Verifier: The question uses Australian-specific currency terminology ("note" instead of "bill") and specific coin denominations (20 cent and 50 cent coins) that are characteristic of the Australian currency system and differ from the US system.

sqn_f66867da-9116-4648-a93e-c0b8ee6bbb28 Localize Terminology
Question
How do you know a triangle with sides $7$, $24$, and $25$ is a right-angled triangle?
Answer:
  • $7^2+24^2=49+576=625$, and $25^2=625$. Since these are equal, the triangle is right-angled.
Question
How do you know a triangle with sides $7$, $24$, and $25$ is a right triangle?
Answer:
  • $7^2+24^2=49+576=625$, and $25^2=625$. Since these are equal, the triangle is a right triangle.

Classifier: Uses the AU term "right-angled triangle", which should be localized to "right triangle" for a US context.

Verifier: The text uses the term "right-angled triangle", which is the standard AU term. The US equivalent is "right triangle".

sxbWWEec3YKNUPh9otfC Localize Spelling (AU-US)
Question
For a point $P(a\cos\theta,b\sin\theta)$ on a unit circle centred at $(0,0)$, what is the value of $a+b$ ?
Answer:
  • 2
Question
For a point $P(a\cos\theta,b\sin\theta)$ on a unit circle centered at $(0,0)$, what is the value of $a+b$ ?
Answer:
  • 2

Classifier: Contains the AU spelling "centred" which needs to be converted to the US spelling "centered".

Verifier: Contains the AU spelling "centred" (US: centered).

t4IaTez5Dxz7XwvXASrz Localize Spelling (AU-US)
Question
A restaurant's sales last year were $\$12256$, and the deseasonalised sales were $\$13770.78$. What is the seasonal index?
Answer:
  • 0.89
Question
A restaurant's sales last year were $\$12256$, and the deseasonalized sales were $\$13770.78$. What is the seasonal index?
Answer:
  • 0.89

Classifier: The text uses generic currency symbols ($) and standard statistical/business terminology ("deseasonalised sales", "seasonal index"). While "deseasonalised" uses the 's' spelling, it is a technical term where both 's' and 'z' are often accepted, but more importantly, the context is bi-dialect neutral. However, looking closer at the spelling rules, "deseasonalised" contains an 's' where US English typically uses 'z'. Re-evaluating: "deseasonalised" -> "deseasonalized".

Verifier: The text contains the word "deseasonalised", which uses the AU/UK 's' spelling. US English uses "deseasonalized". Per rule 1, any AU spelling requires a RED classification.

sqn_e98adec6-a099-48e2-9b48-070919a2b092 Localize Units (simple)
Question
Show why $85$ cm is closer to $1$ metre than to $50$ cm
Answer:
  • $1$ metre is $100$ cm. From $85$ cm to $100$ cm is $15$ cm, but from $85$ cm to $50$ cm is $35$ cm. Because $15$ cm is less, $85$ cm is closer to $1$ metre.
Question
Show why $85$ in is closer to $1$ foot than to $50$ in
Answer:
  • $1$ foot is $100$ in. From $85$ in to $100$ in is $15$ in, but from $85$ in to $50$ in is $35$ in. Because $15$ in is less, $85$ in is closer to $1$ foot.

Classifier: The text contains metric units (cm, metre) and AU spelling ("metre"). Units conversion takes precedence.

Verifier: The text contains metric units (cm, metre) and AU spelling ("metre"). Units conversion takes precedence.

sqn_f4b20334-4ac5-49bc-ae61-fa9fdef058a0 Localize Spelling (AU-US)
Question
Explain why rolling an odd sum on two dice is an example of marginal probability.
Hint: Total probability without conditions
Answer:
  • This is total probability of odd sum without considering other conditions. Calculated directly as $\frac{\text{favourable outcomes}}{\text{total outcomes}}=\frac{18}{36}=\frac{1}{2}$.
Question
Explain why rolling an odd sum on two dice is an example of marginal probability.
Hint: Total probability without conditions
Answer:
  • This is total probability of odd sum without considering other conditions. Calculated directly as $\frac{\text{favorable outcomes}}{\text{total outcomes}}=\frac{18}{36}=\frac{1}{2}$.

Classifier: The word "favourable" uses the Australian/British spelling; the US spelling is "favorable".

Verifier: The answer text contains the word "favourable", which is the AU/British spelling. The US spelling is "favorable".

sqn_f608685f-040b-457f-b928-1d0e49951da8 Localize Units (simple)
Question
How do you know a right triangle with height $4$ cm, base $3$ cm is similar to one with height $12$ cm, base $9$ cm?
Answer:
  • The side ratios are the same ($12 ÷ 4 = 3$ and $9 ÷ 3 = 3$), and both have a right angle, so the triangles are similar.
Question
How do you know a right triangle with height $4$ in, base $3$ in is similar to one with height $12$ in, base $9$ in?
Answer:
  • The side ratios are the same ($12 ÷ 4 = 3$ and $9 ÷ 3 = 3$), and both have a right angle, so the triangles are similar.

Classifier: Contains metric units (cm). Although it also contains the term "right triangle" (which is US-friendly), the presence of metric units triggers the units classification.

Verifier: The text contains the metric unit "cm", which requires localization.

svh4NlCcH0durZDWzgKG Localize Units (simple)
Question
A pool in the shape of a rectangular prism has a length of $8$ m, a width of $7$ m, and a height of $6$ m. What is the volume of the pool?
Answer:
  • 336
Question
A pool in the shape of a rectangular prism has a length of $8$ ft, a width of $7$ ft, and a height of $6$ ft. What is the volume of the pool?
Answer:
  • 336

Classifier: The question uses metric units (m, m^3) for dimensions and volume.

Verifier: The question uses metric units (m, m^3) for length, width, height, and volume, requiring conversion.

sqn_ffd3f0dd-85f4-4e9a-9191-989cb64e28f8 Localize Units (simple)
Question
Why is cm$^2$ not a good unit to measure how much space an object takes up?
Answer:
  • cm$^2$ measures area. Volume needs three dimensions, requiring cubic units like cm$^3$.
Question
Why is in$^2$ not a good unit to measure how much space an object takes up?
Answer:
  • in$^2$ measures area. Volume needs three dimensions, requiring cubic units like in$^3$.

Classifier: The text contains metric units (cm^2, cm^3) and discusses metric-based pedagogy (measuring space/volume). Per decision rules, any metric unit requires at least this category.

Verifier: The text contains metric units (cm^2, cm^3). Per decision rule 3, any metric unit requires at least RED.units_simple_conversion.

suiVp7T3d34FtMvtuOdO Localize Units (simple)
Question
Find the volume of a piece of metal with a mass of $100$ g and density of $1.80$ g/cm$^3.$
Answer:
  • 55.56
Question
Find the volume of a piece of metal with a mass of $100$ oz and density of $1.80$ oz/in$^3.$
Answer:
  • 55.56

Classifier: The text contains metric units (g, g/cm^3, cm^3) which require localization to US customary units or a decision on metric pedagogy.

Verifier: The question contains metric units (g, g/cm^3, cm^3) which require conversion to US customary units or a pedagogical decision.

sqn_ffcc0f7e-57ec-410a-88e5-ad45c586c592 Localize Spelling (AU-US)
Question
Can the expression $2x + 6 + 3y + 9$ be factorised by grouping? Explain.
Answer:
  • Group pairs: $(2x+6) + (3y+9)$. Factor common monomials: $2(x+3) + 3(y+3)$. Since the resulting binomial factors $(x+3)$ and $(y+3)$ are different, the expression cannot be factorised by grouping.
Question
Can the expression $2x + 6 + 3y + 9$ be factored by grouping? Explain.
Answer:
  • Group pairs: $(2x+6) + (3y+9)$. Factor common monomials: $2(x+3) + 3(y+3)$. Since the resulting binomial factors $(x+3)$ and $(y+3)$ are different, the expression cannot be factored by grouping.

Classifier: The text uses the AU spelling "factorised" (and "factorise"), which requires conversion to the US spelling "factorized" (and "factorize").

Verifier: The text contains the AU spelling "factorised" and "factorise", which requires localization to "factorized" and "factorize".

szDvHRBq8rWgDepUfDCO Localize Terminology
Question
Find the $x$-coordinate of the turning point of the parabola $ y=8x^{2}-8x+1$.
Options:
  • \frac{8}{16}
  • \frac{1}{2}
Question
Find the $x$-coordinate of the vertex of the parabola $ y=8x^{2}-8x+1$.
Options:
  • \frac{8}{16}
  • \frac{1}{2}

Classifier: The term "turning point" is standard AU/UK terminology for the vertex of a parabola. In a US context, "vertex" is the standard term.

Verifier: The term "turning point" is the standard AU/UK term for what is called the "vertex" in US mathematics curricula.

sqn_e95953c6-2a0e-4692-8e67-a818993313ed Localize Units (simple)
Question
How do you know $140$ centimetres and $4250000$ micrometres is $5.65$ metres?
Hint: Add different units
Answer:
  • Convert to metres: $140$ cm $= 1.4$ m, $4250000$ μm $= 4.25$ m. Sum: $1.4 + 4.25 = 5.65$ m.
Question
How do you know $140$ inches and $4250000$ microinches is $5.65$ feet?
Hint: Add different units
Answer:
  • Convert to feet: $140$ in $= 1.4$ ft, $4250000$ μin $= 4.25$ ft. Sum: $1.4 + 4.25 = 5.65$ ft.

Classifier: The text contains multiple metric units (centimetres, micrometres, metres) and AU-specific spellings of those units ("metres"). Units conversion takes precedence over spelling.

Verifier: The text contains multiple metric units (centimetres, micrometres, metres) and AU-specific spellings of those units ("metres"). Units conversion takes precedence over spelling.

t5rNPCDc4AfMUGBsrPnM Localize Units (simple)
Question
In a $100$ m race, each athlete has an equal chance of running in lane $1$ on a track with eight lanes. What is the likelihood that an athlete will not run in lane $1$ ?
Answer:
  • \frac{7}{8}
Question
In a $100$ ft race, each athlete has an equal chance of running in lane $1$ on a track with eight lanes. What is the likelihood that an athlete will not run in lane $1$ ?
Answer:
  • \frac{7}{8}

Classifier: The text contains the metric unit "m" (metres) in the context of a "100 m race". Any metric unit requires localization.

Verifier: The text contains the metric unit "m" (metres) in "100 m race". Per rule 3, any metric unit requires at least RED.units_simple_conversion.

t2hO6lS0fYUdKVBQcw7u Localize Units (simple)
Question
An object moves with the velocity given by $v(t)=5t^2$ m/s where $t\geq 0$ in seconds. Find the distance travelled by the object in the first three seconds.
Hint: Check the units carefully.
Answer:
  • 4500
Question
An object moves with the velocity given by $v(t)=5t^2$ ft/s where $t\geq 0$ in seconds. Find the distance traveled by the object in the first three seconds.
Hint: Check the units carefully.
Answer:
  • 4500

Classifier: The question contains metric units "m/s" and "cm". Additionally, the answer (4500) is derived from a unit conversion within the metric system (metres to centimetres), which is a metric-pedagogy task requiring localization to US customary units or a decision on metric usage.

Verifier: Contains metric units "m/s" and "cm". The problem specifically requires a conversion from meters to centimeters, which is a metric-pedagogy task.

sqn_f5b581ff-e88f-42f8-a967-d3ded2ecfa7b Localize Units (simple)
Question
Kelly says the density of solid metal of $250$ g with volume $20$ cm$^3$ must have a density equal to $12.5$ g per cm$^3$. How do you know he is correct?
Hint: Verify density calculation
Answer:
  • Density = mass $\div$ volume $= 250$ g $\div 20$ cm$^3 = 12.5$ g/cm$^3$. Kelly's calculation is correct.
Question
Kelly says the density of solid metal of $250$ oz with volume $20$ in$^3$ must have a density equal to $12.5$ oz per in$^3$. How do you know he is correct?
Hint: Verify density calculation
Answer:
  • Density = mass $\div$ volume $= 250$ oz $\div 20$ in$^3 = 12.5$ oz/in$^3$. Kelly's calculation is correct.

Classifier: Contains metric units (g, cm^3) which require localization for a US audience.

Verifier: The text contains metric units (g, cm^3) which require conversion/localization for a US audience.

sqn_f64367b0-4f25-4933-9824-da11e4c768d7 Localize Units (simple)
Question
How do you know that a square with area $16$ cm$^2$ cannot have a side length of $5$ cm?
Hint: Square area = side$^2$
Answer:
  • Square area $= \text{side}^2$. If side $= 5$ cm, area would be $25$ cm$^2$, not $16$ cm$^2$.
Question
How do you know that a square with area $16$ in$^2$ cannot have a side length of $5$ in?
Hint: Square area = side$^2$
Answer:
  • Square area $= \text{side}^2$. If side $= 5$ in, area would be $25$ in$^2$, not $16$ in$^2$.

Classifier: Contains metric units (cm, cm^2) which require localization.

Verifier: The text contains metric units (cm, cm^2) which require localization.

sqn_f80f1e83-c507-4240-a572-a73f2623f17c Localize Spelling (AU-US)
Question
Show why $\frac{2}{\sqrt{3}}$ equals $\frac{2\sqrt{3}}{3}$.
Hint: Multiply by $\frac{\sqrt{3}}{\sqrt{3}}$
Answer:
  • Multiply the fraction by $\frac{\sqrt{3}}{\sqrt{3}}$ (which equals 1): $\frac{2}{\sqrt{3}} \times \frac{\sqrt{3}}{\sqrt{3}} = \frac{2\sqrt{3}}{(\sqrt{3})^2} = \frac{2\sqrt{3}}{3}$. This process is called rationalising the denominator.
Question
Show why $\frac{2}{\sqrt{3}}$ equals $\frac{2\sqrt{3}}{3}$.
Hint: Multiply by $\frac{\sqrt{3}}{\sqrt{3}}$
Answer:
  • Multiply the fraction by $\frac{\sqrt{3}}{\sqrt{3}}$ (which equals 1): $\frac{2}{\sqrt{3}} \times \frac{\sqrt{3}}{\sqrt{3}} = \frac{2\sqrt{3}}{(\sqrt{3})^2} = \frac{2\sqrt{3}}{3}$. This process is called rationalizing the denominator.

Classifier: The text contains the AU spelling "rationalising", which needs to be converted to the US spelling "rationalizing".

Verifier: The answer text contains the AU/British spelling "rationalising", which requires localization to the US spelling "rationalizing".

t6rxvaujblCnY6ITu2ml Localize Units (simple)
Question
Find the perimeter of a rectangular block of land that is $2$ km long and $0.6$ km wide.
Answer:
  • 5.2
Question
Find the perimeter of a rectangular block of land that is $2$ mi long and $0.6$ mi wide.
Answer:
  • 5.2

Classifier: The text uses "km" (kilometres) as a unit of measurement for length and width, which requires conversion for US localization.

Verifier: The text uses "km" (kilometres), which is a metric unit requiring conversion for US localization. It is a simple conversion as it involves a basic perimeter calculation.

tAZHWNiSxoSPPaoZrNpa Localize Units (simple)
Question
A $200$ cm long string is shaped to form a rectangle. Find the maximum area of the rectangle formed.
Answer:
  • 2500
Question
A $200$ in long string is shaped to form a rectangle. Find the maximum area of the rectangle formed.
Answer:
  • 2500

Classifier: Contains metric units (cm and cm^2) which require conversion to US customary units.

Verifier: Contains metric units (cm and cm^2) which require conversion for US localization.

te5zPj5lwPJXR7fRiMme Localize Spelling (AU-US)
Multiple Choice
True or false: Distance travelled by an object may be negative, positive or zero.
Options:
  • False
  • True
Multiple Choice
True or false: Distance traveled by an object may be negative, positive or zero.
Options:
  • False
  • True

Classifier: The text uses 'travelled', which is the standard spelling in both AU and UK English, but 'traveled' is US. However, 'travelled' is often accepted in various contexts, and the prompt rules for GREEN require zero AU-specific spelling. Wait, 'travelled' (double L) is the AU/UK spelling, while 'traveled' (single L) is US. Therefore, this contains an AU spelling.

Verifier: The text contains "travelled", which is the AU/UK spelling (US is "traveled"). Per Rule 1, even one AU spelling word disqualifies GREEN.

tBnj2b6EIuWFvB2twDIS Localize Units (simple)
Question
Naruto runs a total distance of $800$ meters while using his Sage Mode. How long did it take him to cover this distance if his average speed was $60$ metres per second?
Answer:
  • 13.33
Question
Naruto runs a total distance of $800$ feet while using his Sage Mode. How long did it take him to cover this distance if his average speed was $60$ feet per second?
Answer:
  • 13.33

Classifier: Contains metric units (meters/metres) and AU spelling ("metres"). Per rule 6, units conversion takes precedence over spelling.

Verifier: Contains metric units (meters/metres) and AU spelling ("metres"). Units conversion takes precedence.

tjbLY0OBgyQV0HyJm6ln Localize Units (simple)
Question
A kite-shaped flower bed has a longest diagonal of $18$ m and an area of $72$ m$^2$. What is the length of the other diagonal?
Answer:
  • 8
Question
A kite-shaped flower bed has a longest diagonal of $18$ ft and an area of $72$ ft$^2$. What is the length of the other diagonal?
Answer:
  • 8

Classifier: The text contains metric units ("m" and "m$^2$") which require conversion for US localization.

Verifier: The question contains metric units ("m" and "m$^2$") which require conversion for US localization. The conversion is simple as it involves a basic geometric formula.

tgPVTIU4hMqpskjqZWMt Localize Units (simple)
Question
A gardener recorded the heights of her plants in centimetres as: $18, 20, 22, 25, 30, 35, 40$. What is the median height of the plants?
Answer:
  • 25
Question
A gardener recorded the heights of her plants in inches as: $18, 20, 22, 25, 30, 35, 40$. What is the median height of the plants?
Answer:
  • 25

Classifier: Contains metric units (centimetres, cm) and AU spelling (centimetres). Units take precedence over spelling.

Verifier: Contains metric units ("centimetres", "cm") and AU spelling ("centimetres"). Per Rule 5, units conversion takes precedence.

tudMqL50JacmS07I2RVF Localize Units (simple)
Question
Calculate $a+b+c$ by expressing the following ratio in the simplest form, ensuring that each quantity has the same units. $1.24$ L to $5$ L to $25$ mL $=a:b:c$
Answer:
  • 1253
Question
Calculate $a+b+c$ by expressing the following ratio in the simplest form, ensuring that each quantity has the same units. $1.24$ gal to $5$ gal to $25$ fl oz $=a:b:c$
Answer:
  • 825

Classifier: The content contains multiple metric units (L and mL) which require localization to US customary units.

Verifier: The question contains metric units "L" (litres) and "mL" (millilitres) which require conversion for a US audience. The conversion is a simple ratio calculation.

tAMrOCq8vPZP8o2hlM35 Localize Terminology
Multiple Choice
Fill in the blank: The total surface area of a cuboid with length $l$, width $w$ and height $h$ is given by $[?]$.
Hint: 'Cuboid' is another word for 'rectangular prism'.
Options:
  • $2wh+2hl+lw$
  • $2lw+2wh+2hl$
  • $2(lw+wh-hl)$
  • $lw+wh+hl$
Multiple Choice
Fill in the blank: The total surface area of a rectangular prism with length $l$, width $w$ and height $h$ is given by $[?]$.
Hint: A rectangular prism is a three-dimensional shape with six rectangular faces.
Options:
  • $2wh+2hl+lw$
  • $2lw+2wh+2hl$
  • $2(lw+wh-hl)$
  • $lw+wh+hl$

Classifier: The term "cuboid" is the primary term used in the question and hint. In US curriculum, "rectangular prism" is the standard term. While the hint acknowledges this, the primary question text should be localized for a US audience.

Verifier: The term "cuboid" is standard in AU/UK but "rectangular prism" is the standard term in US school context.

01JW7X7K1D7C0K52HA7HSG8P33 Localize Spelling (AU-US)
Multiple Choice
$\fbox{\phantom{4000000000}}$ form expresses a polynomial as a product of its factors.
Options:
  • Factorised
  • Standard
  • Expanded
  • Simplified
Multiple Choice
$\fbox{\phantom{4000000000}}$ form expresses a polynomial as a product of its factors.
Options:
  • Factored
  • Standard
  • Expanded
  • Simplified

Classifier: The answer choice "Factorised" uses the AU 's' spelling, which requires conversion to the US 'z' spelling ("Factorized").

Verifier: The answer choice "Factorised" uses the AU/UK 's' spelling, which requires localization to the US 'z' spelling ("Factorized").

01JW7X7K138BNB6PCV9C8N775K Localize Spelling (AU-US)
Multiple Choice
Factorising can involve taking out a common $\fbox{\phantom{4000000000}}$ from an expression.
Options:
  • factor
  • term
  • multiple
  • divisor
Multiple Choice
Factoring can involve taking out a common $\fbox{\phantom{4000000000}}$ from an expression.
Options:
  • factor
  • term
  • multiple
  • divisor

Classifier: Contains the AU spelling "Factorising", which needs to be converted to the US spelling "Factorizing".

Verifier: The word "Factorising" uses the AU/UK spelling; the US spelling is "Factorizing".

01JW7X7K1613240CN97Z1KAT32 Localize Spelling (AU-US)
Multiple Choice
Counting means saying numbers in $\fbox{\phantom{4000000000}}$
Options:
  • silence
  • order
  • colour
  • a circle
Multiple Choice
Counting means saying numbers in $\fbox{\phantom{4000000000}}$
Options:
  • silence
  • order
  • color
  • a circle

Classifier: Contains the AU spelling "colour" in the answer set, which requires conversion to the US spelling "color".

Verifier: The word "colour" in the answer choices is the AU/UK spelling; the US spelling is "color".

01JW7X7K1613240CN97WQJFZ8K Localize Spelling (AU-US)
Multiple Choice
Variables allow us to generalise mathematical $\fbox{\phantom{4000000000}}$
Options:
  • constants
  • relationships
  • numbers
  • symbols
Multiple Choice
Variables allow us to generalize mathematical $\fbox{\phantom{4000000000}}$
Options:
  • constants
  • relationships
  • numbers
  • symbols

Classifier: Contains the AU spelling "generalise", which requires conversion to the US spelling "generalize".

Verifier: The word "generalise" uses the AU/UK spelling; the US spelling is "generalize".

01JW7X7K2ACHCJ0JHCYTZEXREE Localize Spelling (AU-US)
Multiple Choice
Both histograms and box plots can be used to visualise the $\fbox{\phantom{4000000000}}$ of a dataset.
Options:
  • distribution
  • mode
  • median
  • mean
Multiple Choice
Both histograms and box plots can be used to visualize the $\fbox{\phantom{4000000000}}$ of a dataset.
Options:
  • distribution
  • mode
  • median
  • mean

Classifier: The word "visualise" is the AU spelling; the US spelling is "visualize".

Verifier: The word "visualise" is the AU spelling; the US spelling is "visualize".

01JW7X7K11HMPJRBDZ4F3P4738 Localize Units (simple)
Multiple Choice
Cubic metres and cubic centimetres are units of $\fbox{\phantom{4000000000}}$
Options:
  • length
  • perimeter
  • area
  • volume
Multiple Choice
Cubic feet and cubic inches are units of $\fbox{\phantom{4000000000}}$
Options:
  • length
  • perimeter
  • area
  • volume

Classifier: The text contains metric units ("metres" and "centimetres") in a cubic context. This requires localization to US customary units (e.g., cubic inches/feet).

Verifier: The text contains metric units "metres" and "centimetres" in a cubic context, requiring conversion to US customary units.

01JW7X7K0YSZHPNYH3KQ1V5G9T Localize Spelling (AU-US)
Multiple Choice
A $\fbox{\phantom{4000000000}}$ diagram uses overlapping circles to visualise the relationships between sets.
Options:
  • pie
  • bar
  • line
  • Venn
Multiple Choice
A $\fbox{\phantom{4000000000}}$ diagram uses overlapping circles to visualize the relationships between sets.
Options:
  • pie
  • bar
  • line
  • Venn

Classifier: The word "visualise" uses the AU/UK 's' spelling and needs to be converted to the US 'z' spelling ("visualize").

Verifier: The text contains "visualise", which is the AU/UK spelling. It must be localized to "visualize" for the US locale.

01JW7X7K11HMPJRBDZ4CGPA662 Localize Units (simple)
Multiple Choice
Square metres and square centimetres are units of $\fbox{\phantom{4000000000}}$
Options:
  • area
  • length
  • perimeter
  • volume
Multiple Choice
Square feet and square inches are units of $\fbox{\phantom{4000000000}}$
Options:
  • area
  • length
  • perimeter
  • volume

Classifier: The text contains metric units ("metres" and "centimetres") which require conversion to US customary units or at least spelling localization. Per rule 1, any metric unit disqualifies GREEN. Per rule 6, units conversion is the highest priority RED category.

Verifier: The text contains metric units "metres" and "centimetres" (both AU spelling and metric system), which require conversion to US customary units.

0110b160-f72c-4386-8573-7d6bd3d907cc Localize Spelling (AU-US)
Question
Why is understanding radicals important for solving problems in algebra or geometry?
Hint: Visualise how radicals appear in measurements or equations.
Answer:
  • Understanding radicals is important for solving problems in algebra or geometry because radicals often represent exact values in calculations.
Question
Why is understanding radicals important for solving problems in algebra or geometry?
Hint: Visualize how radicals appear in measurements or equations.
Answer:
  • Understanding radicals is important for solving problems in algebra or geometry because radicals often represent exact values in calculations.

Classifier: The hint contains the AU spelling "Visualise", which needs to be converted to the US spelling "Visualize".

Verifier: The hint contains "Visualise", which is AU spelling and requires localization to "Visualize".

01JW7X7K1S2JNTTD89YHQA73QG Localize Terminology
Multiple Choice
The $\fbox{\phantom{4000000000}}$ is the amount by which a quantity changes per unit of time.
Options:
  • slope
  • rate
  • increment
  • gradient
Multiple Choice
The $\fbox{\phantom{4000000000}}$ is the amount by which a quantity changes per unit of time.
Options:
  • slope
  • rate
  • increment
  • slope

Classifier: The answer set includes the term "gradient". In AU/UK contexts, "gradient" is the standard term for the steepness of a line, whereas in the US, "slope" is the primary term used in school contexts. While both are mathematically valid, the presence of "gradient" as a distractor/answer in an AU-sourced dataset often requires localization to "slope" or ensuring "slope" is the primary term.

Verifier: The presence of "gradient" in the answer set is a strong indicator of AU/UK school terminology, whereas "slope" is the standard US term. This requires localization review.

01JW7X7K1QES0DW51SQZZ5BD9C Localize Units (simple)
Multiple Choice
Centimetres and millimetres are $\fbox{\phantom{4000000000}}$ of length.
Options:
  • types
  • instruments
  • tools
  • units
Multiple Choice
Inches and feet are $\fbox{\phantom{4000000000}}$ of length.
Options:
  • types
  • instruments
  • tools
  • units

Classifier: The text explicitly mentions "Centimetres" and "millimetres", which are metric units and use AU spelling. This requires conversion to US customary units or at least spelling localization depending on curriculum policy.

Verifier: The text contains metric units "Centimetres" and "millimetres" which also use AU spelling. This requires localization to US customary units or at minimum spelling changes.

01JW7X7K1M9SX5QWA6KPC81QGK Localize Terminology
Multiple Choice
The 'B' in BODMAS stands for $\fbox{\phantom{4000000000}}$
Options:
  • binomials
  • bonds
  • brackets
  • bases
Multiple Choice
The 'P' in PEMDAS stands for $\fbox{\phantom{4000000000}}$
Options:
  • binomials
  • bonds
  • parentheses
  • bases

Classifier: The acronym "BODMAS" is standard in AU/UK, whereas the US equivalent is typically "PEMDAS". Additionally, "brackets" in this context usually maps to "parentheses" in US math curriculum.

Verifier: The acronym "BODMAS" and the term "brackets" are specific to AU/UK/Commonwealth curricula. US localization uses "PEMDAS" and "parentheses".

01JVJ5YNZVSQ29HKTMJJGYA67P Localize Units (simple)
Multiple Choice
A hiker walks $7$ km east, $5$ km south, $3$ km east, then $1$ km north. How far is the hiker from their starting point?
Options:
  • $11$ km
  • $10$ km
  • $14$ km
  • $16$ km
Multiple Choice
A hiker walks $7$ mi east, $5$ mi south, $3$ mi east, then $1$ mi north. How far is the hiker from their starting point?
Options:
  • $11$ mi
  • $10$ mi
  • $14$ mi
  • $16$ mi

Classifier: The text contains the metric unit "km" (kilometers) multiple times in both the question and the answer choices, which requires conversion to US customary units (miles).

Verifier: The text contains the metric unit "km" (kilometers) multiple times, which requires conversion to US customary units.

01JW7X7K1D7C0K52HA7FH00R4T Localize Spelling (AU-US)
Multiple Choice
$\fbox{\phantom{4000000000}}$ form is a way of writing a polynomial where the terms are arranged in descending order of exponents.
Options:
  • Expanded
  • Simplified
  • Factorised
  • Standard
Multiple Choice
$\fbox{\phantom{4000000000}}$ form is a way of writing a polynomial where the terms are arranged in descending order of exponents.
Options:
  • Expanded
  • Simplified
  • Factored
  • Standard

Classifier: The answer choice "Factorised" uses the AU 's' spelling, which requires conversion to the US 'z' spelling ("Factorized").

Verifier: The answer choice "Factorised" uses the AU/UK 's' spelling, which requires localization to the US 'z' spelling ("Factorized").

01JW7X7K1JF7HDFN1EHPBHNQD7 Localize Spelling (AU-US)
Multiple Choice
A unit circle has a $\fbox{\phantom{4000000000}}$ of $1$ unit.
Options:
  • centre
  • diameter
  • radius
  • circumference
Multiple Choice
A unit circle has a $\fbox{\phantom{4000000000}}$ of $1$ unit.
Options:
  • center
  • diameter
  • radius
  • circumference

Classifier: The answer choice "centre" uses Australian/British spelling and needs to be converted to "center" for US localization.

Verifier: The answer choice contains "centre", which is the AU/UK spelling. US localization requires "center".

01JW7X7K1NHX5SP6S97TSSY502 Localize Terminology
Multiple Choice
A rotation can be either clockwise or $\fbox{\phantom{4000000000}}$
Options:
  • reverse
  • left
  • anticlockwise
  • right
Multiple Choice
A rotation can be either clockwise or $\fbox{\phantom{4000000000}}$
Options:
  • reverse
  • left
  • counterclockwise
  • right

Classifier: The term "anticlockwise" is the standard AU/UK term, which maps to "counterclockwise" in US English.

Verifier: The term "anticlockwise" is the standard AU/UK term; US English uses "counterclockwise".

01JW7X7K2ACHCJ0JHCYW9S72QF Localize Spelling (AU-US)
Multiple Choice
A $\fbox{\phantom{4000000000}}$ is used to visualise the possible outcomes of a multi-stage experiment.
Options:
  • chart
  • graph
  • diagram
  • table
Multiple Choice
A $\fbox{\phantom{4000000000}}$ is used to visualize the possible outcomes of a multi-stage experiment.
Options:
  • chart
  • graph
  • diagram
  • table

Classifier: The word "visualise" is the AU spelling; the US spelling is "visualize".

Verifier: The word "visualise" is the AU spelling; the US spelling is "visualize".

01JW7X7K1AQDJ5S910YFJBQ93E Localize Spelling (AU-US)
Multiple Choice
$\fbox{\phantom{4000000000}}$ is expressed as a number between $0$ and $1$
Options:
  • event
  • probability
  • proportion
  • experiement
Multiple Choice
$\fbox{\phantom{4000000000}}$ is expressed as a number between $0$ and $1$
Options:
  • event
  • probability
  • proportion
  • experiment

Classifier: The content is neutral. Note: "experiement" in the answer set is a typo for "experiment", but it is not an AU-specific spelling variant.

Verifier: While the primary classifier is correct that the content is largely neutral, the answer choice "experiement" is a spelling error. More importantly, in many localization workflows, even non-AU specific typos are flagged under spelling. However, looking at the rules, if there is no AU-specific content, it should be GREEN. But "proportion" and "probability" are neutral. I will actually agree with GREEN as the typo "experiement" is not a locale-specific variant, but a general misspelling. Wait, rule 1 says GREEN requires zero AU-specific content. There is none here. I will revert to Agreeing with GREEN.

01JW7X7K1PJ0XNEVQXYVKKYKS7 Localize Spelling (AU-US)
Multiple Choice
A $\fbox{\phantom{4000000000}}$ diagram is a useful tool for visualising and calculating the probability of combined events.
Options:
  • graph
  • tree
  • scatter
  • bar
Multiple Choice
A $\fbox{\phantom{4000000000}}$ diagram is a useful tool for visualizing and calculating the probability of combined events.
Options:
  • graph
  • tree
  • scatter
  • bar

Classifier: The word "visualising" uses the AU/UK "s" spelling and needs to be converted to the US "z" spelling ("visualizing").

Verifier: The word "visualising" uses the AU/UK "s" spelling; US localization requires "visualizing".

01JW7X7K28NCR2BF40JPVCK9AC Localize Spelling (AU-US)
Multiple Choice
Speed is calculated by dividing the distance travelled by the $\fbox{\phantom{4000000000}}$ taken.
Options:
  • velocity
  • distance
  • speed
  • time
Multiple Choice
Speed is calculated by dividing the distance traveled by the $\fbox{\phantom{4000000000}}$ taken.
Options:
  • velocity
  • distance
  • speed
  • time

Classifier: The word "travelled" is the AU/UK spelling; the US spelling is "traveled".

Verifier: The word "travelled" is the AU/UK spelling; the US spelling is "traveled".

01JW7X7K2QWH54F7X8W7DJBPT0 Localize Spelling (AU-US)
Multiple Choice
A $\fbox{\phantom{4000000000}}$ is a system for organising days into weeks and months.
Options:
  • number line
  • time
  • clock
  • calendar
Multiple Choice
A $\fbox{\phantom{4000000000}}$ is a system for organizing days into weeks and months.
Options:
  • number line
  • time
  • clock
  • calendar

Classifier: The word "organising" uses the AU/UK 's' spelling and needs to be converted to the US 'z' spelling ("organizing").

Verifier: The word "organising" is the AU/UK spelling and requires conversion to "organizing" for US English.

01JW7X7K2NQ3EBT0AH53B1R11J Localize Spelling (AU-US)
Multiple Choice
$\fbox{\phantom{4000000000}}$ data is data that has been organised into groups or intervals.
Options:
  • Categorical
  • Numerical
  • Grouped
  • Discrete
Multiple Choice
$\fbox{\phantom{4000000000}}$ data is data that has been organized into groups or intervals.
Options:
  • Categorical
  • Numerical
  • Grouped
  • Discrete

Classifier: The word "organised" uses the AU/UK 's' spelling and needs to be converted to the US 'z' spelling ("organized").

Verifier: The word "organised" is the AU/UK spelling and requires conversion to "organized" for US English.

01JW7X7K32HW6P306PJH66F98N Localize Spelling (AU-US)
Multiple Choice
To find the next shape in a growing pattern, look for the $\fbox{\phantom{4000000000}}$ in how the shapes grow.
Options:
  • corner
  • shape
  • colour
  • rule
Multiple Choice
To find the next shape in a growing pattern, look for the $\fbox{\phantom{4000000000}}$ in how the shapes grow.
Options:
  • corner
  • shape
  • color
  • rule

Classifier: The answer choice "colour" uses AU/UK spelling and must be localized to "color" for a US audience.

Verifier: The answer choice "colour" is AU spelling and requires localization to "color".

01JW7X7K2VNCFPHN2WSC1F4YZ7 Localize Terminology
Multiple Choice
An $\fbox{\phantom{4000000000}}$ is a small raised number that indicates how many times a quantity is multiplied by itself.
Options:
  • base
  • power
  • index
  • exponent
Multiple Choice
An $\fbox{\phantom{4000000000}}$ is a small raised number that indicates how many times a quantity is multiplied by itself.
Options:
  • base
  • power
  • exponent
  • exponent

Classifier: The term "index" is the standard AU/UK term for what is primarily called an "exponent" or "power" in US schools. While "exponent" is provided as an answer choice, the presence of "index" as a primary mathematical term in this context indicates AU-specific curriculum terminology.

Verifier: The term "index" is a specific AU/UK curriculum term for "exponent" or "power". Its inclusion as a primary answer choice alongside "exponent" and "power" marks this as AU-specific terminology context.

01JW7X7K3H445HHM4QE0M59DY0 Localize Terminology
Multiple Choice
Surds often arise when dealing with $\fbox{\phantom{4000000000}}$ roots of non-perfect squares.
Options:
  • square
  • fourth
  • cube
  • fractional
Multiple Choice
Radicals often arise when dealing with $\fbox{\phantom{4000000000}}$ roots of non-perfect squares.
Options:
  • square
  • fourth
  • cube
  • fractional

Classifier: The term "Surds" is a specific AU/UK mathematical term for irrational roots. In the US, this is almost exclusively referred to as "radicals".

Verifier: The term "Surds" is a specific terminology used in AU/UK/NZ/IN curricula, whereas US curricula almost exclusively use "radicals". This requires localization for the school context.

01JW7X7K39MYNVG6Y64BAGWAVR Localize Spelling (AU-US)
Multiple Choice
An $\fbox{\phantom{4000000000}}$ circle on a number line indicates that the endpoint is not included in the solution set.
Options:
  • coloured
  • closed
  • open
  • shaded
Multiple Choice
An $\fbox{\phantom{4000000000}}$ circle on a number line indicates that the endpoint is not included in the solution set.
Options:
  • colored
  • closed
  • open
  • shaded

Classifier: The answer choice "coloured" uses the AU/UK spelling and requires conversion to the US spelling "colored".

Verifier: The answer choice "coloured" uses the AU/UK spelling, which requires localization to the US spelling "colored".

01JW7X7K40M8QRYMCCKTM5DM3J Localize Terminology
Multiple Choice
Equating indices involves setting the $\fbox{\phantom{4000000000}}$ equal to each other and solving for the variable.
Options:
  • exponents
  • bases
  • coefficients
  • constants
Multiple Choice
Equating exponents involves setting the $\fbox{\phantom{4000000000}}$ equal to each other and solving for the variable.
Options:
  • exponents
  • bases
  • coefficients
  • constants

Classifier: The term "indices" (and the phrase "Equating indices") is the standard AU/UK term for what is called "exponents" in the US. While "exponents" appears in the answer set, the prompt itself uses "indices".

Verifier: The term "indices" is the standard AU/UK term for what is called "exponents" in the US. The prompt uses "indices", requiring localization.

01JW7X7K44GBYYC80A9KJ4JN5Q Localize Spelling (AU-US)
Multiple Choice
All points on the surface of a sphere are an equal distance from its $\fbox{\phantom{4000000000}}$
Options:
  • radius
  • circumference
  • diameter
  • centre
Multiple Choice
All points on the surface of a sphere are an equal distance from its $\fbox{\phantom{4000000000}}$
Options:
  • radius
  • circumference
  • diameter
  • center

Classifier: Contains the AU spelling "centre" which needs to be localized to "center" for a US audience.

Verifier: The text contains the AU spelling "centre" in the answer choices, which requires localization to "center" for the US.

01JW7X7K3VWH9Q1Q450R04BZJH Localize Spelling (AU-US)
Multiple Choice
Identifying upcoming elements in a geometric sequence involves recognising the $\fbox{\phantom{4000000000}}$ and applying it to the previous term.
Options:
  • pattern
  • formula
  • rule
  • equation
Multiple Choice
Identifying upcoming elements in a geometric sequence involves recognizing the $\fbox{\phantom{4000000000}}$ and applying it to the previous term.
Options:
  • pattern
  • formula
  • rule
  • equation

Classifier: Contains the AU spelling "recognising", which needs to be converted to the US spelling "recognizing".

Verifier: The word "recognising" uses the AU/UK 's' spelling; the US standard is "recognizing".

01JW7X7K4AHRDA6RA8ZXARVPCD Localize Spelling (AU-US)
Multiple Choice
Venn diagrams are used to visualise $\fbox{\phantom{4000000000}}$ theory concepts.
Options:
  • group
  • number
  • set
  • probability
Multiple Choice
Venn diagrams are used to visualize $\fbox{\phantom{4000000000}}$ theory concepts.
Options:
  • group
  • number
  • set
  • probability

Classifier: Contains the AU/UK spelling "visualise", which requires conversion to the US spelling "visualize".

Verifier: The word "visualise" is the AU/UK spelling; the US spelling is "visualize". This requires a RED.spelling_only classification.

01JW7X7K41TQ97R0CAHMRNRVZZ Localize Terminology
Multiple Choice
The $\fbox{\phantom{4000000000}}$ is the side opposite the right angle in a right-angled triangle.
Options:
  • base
  • adjacent
  • hypotenuse
  • opposite
Multiple Choice
The $\fbox{\phantom{4000000000}}$ is the side opposite the right angle in a right triangle.
Options:
  • base
  • adjacent
  • hypotenuse
  • opposite

Classifier: The term "right-angled triangle" is the standard AU/UK term; the US equivalent is "right triangle".

Verifier: The term "right-angled triangle" is the standard AU/UK term; the US equivalent is "right triangle".

01JW7X7K3SB0C71WVG4RYTM9T5 Localize Spelling (AU-US)
Multiple Choice
The remainder theorem can be used to $\fbox{\phantom{4000000000}}$ a polynomial at a specific value.
Options:
  • evaluate
  • factorise
  • solve
  • graph
Multiple Choice
The remainder theorem can be used to $\fbox{\phantom{4000000000}}$ a polynomial at a specific value.
Options:
  • evaluate
  • factor
  • solve
  • graph

Classifier: The answer choice "factorise" uses AU/UK spelling (ending in -ise) which requires conversion to US spelling (factorize).

Verifier: The answer choice "factorise" uses the AU/UK spelling. US English requires "factorize". Per rule 1, AU spelling always requires RED classification.

01JW7X7K45ZW5NHYWN727E1M2M Localize Terminology
Multiple Choice
Turning point form, also known as $\fbox{\phantom{4000000000}}$ form, can be used to easily identify the coordinates of the turning point.
Options:
  • vertex
  • factored
  • intercept
  • standard
Multiple Choice
Vertex form, also known as $\fbox{\phantom{4000000000}}$ form, can be used to easily identify the coordinates of the vertex.
Options:
  • vertex
  • factored
  • intercept
  • standard

Classifier: The term "Turning point" is the standard AU term for what is called the "vertex" in US school mathematics. The question explicitly asks for the synonym, and while "vertex" is provided as an answer, the prompt itself uses "Turning point form" which should be localized to "Vertex form" in a US context.

Verifier: The term "Turning point form" is the standard AU pedagogical term for what is called "Vertex form" in US school mathematics. This is a terminology difference in a school context.

01JW7X7K4WB9QY06PFTASGN20T Localize Terminology
Multiple Choice
A $\fbox{\phantom{4000000000}}$ is an expression containing a root that cannot be simplified to a rational number.
Options:
  • radical
  • root
  • surd
  • power
Multiple Choice
A $\fbox{\phantom{4000000000}}$ is an expression containing a root that cannot be simplified to a rational number.
Options:
  • radical
  • root
  • radical
  • power

Classifier: The term "surd" is standard in AU/UK curriculum but is rarely used in US K-12 education, where "radical" or "irrational radical" is preferred. While "radical" is an option, the presence of "surd" as a primary answer choice indicates AU-specific terminology.

Verifier: The term "surd" is a specific mathematical term used in the Australian/UK curriculum that is typically replaced by "radical" in the US context.

01JW7X7K4Z4RT1D20TNT9YDCAM Localize Spelling (AU-US)
Multiple Choice
The $\fbox{\phantom{4000000000}}$ is a line segment from the centre of a circle to any point on the circumference.
Options:
  • radius
  • diameter
  • tangent
  • chord
Multiple Choice
The $\fbox{\phantom{4000000000}}$ is a line segment from the center of a circle to any point on the circumference.
Options:
  • radius
  • diameter
  • tangent
  • chord

Classifier: Contains the AU spelling "centre", which requires conversion to the US spelling "center".

Verifier: The text contains the AU spelling "centre", which must be localized to "center" for a US audience.

01JW7X7K4J36ZPPS4MPGYYV8AE Localize Spelling (AU-US)
Multiple Choice
$\fbox{\phantom{4000000000}}$ means multiplying out the brackets or parentheses in an expression.
Options:
  • Evaluating
  • Simplifying
  • Factorising
  • Expanding
Multiple Choice
$\fbox{\phantom{4000000000}}$ means multiplying out the parentheses in an expression.
Options:
  • Evaluating
  • Simplifying
  • Factoring
  • Expanding

Classifier: The answer choice "Factorising" uses the AU/UK 's' spelling instead of the US 'z' spelling ("Factorizing").

Verifier: The answer choice "Factorising" uses the AU/UK 's' spelling. Under Rule 1, this requires RED classification.

01JW7X7K51VSY7YAHZE7PQBPXA Localize Terminology
Multiple Choice
A $\fbox{\phantom{4000000000}}$ decimal has a finite number of digits after the decimal point.
Options:
  • terminating
  • repeating
  • non-terminating
  • recurring
Multiple Choice
A $\fbox{\phantom{4000000000}}$ decimal has a finite number of digits after the decimal point.
Options:
  • terminating
  • repeating
  • non-terminating
  • repeating

Classifier: The term "recurring" is the standard AU term for what is typically called a "repeating" decimal in the US. While "repeating" is also present in the answer set, "recurring" is a distinct AU-preferred term in this context.

Verifier: The term "recurring" is the standard AU terminology for what is called a "repeating" decimal in the US. Its presence in the answer set flags this for localization.

01JW7X7K4Q8Q11RX5B16B6M5RV Localize Terminology
Multiple Choice
Pythagoras' $\fbox{\phantom{4000000000}}$ relates the sides of a right-angled triangle.
Options:
  • rule
  • formula
  • theorem
  • equation
Multiple Choice
The Pythagorean $\fbox{\phantom{4000000000}}$ relates the sides of a right triangle.
Options:
  • rule
  • formula
  • theorem
  • equation

Classifier: The term "right-angled triangle" is the standard AU/UK term; the US equivalent is "right triangle". Additionally, "Pythagoras' theorem" is often referred to as the "Pythagorean theorem" in the US, though the possessive form is understood.

Verifier: The term "right-angled triangle" is the standard AU/UK term (US: "right triangle"). "Pythagoras' theorem" is also the common AU phrasing (US: "Pythagorean theorem").

01JW7X7K4Z4RT1D20TNPM0ZDS7 Localize Spelling (AU-US)
Multiple Choice
The $\fbox{\phantom{4000000000}}$ is a line segment that passes through the centre of a circle and whose endpoints are on the circle.
Options:
  • tangent
  • diameter
  • chord
  • radius
Multiple Choice
The $\fbox{\phantom{4000000000}}$ is a line segment that passes through the center of a circle and whose endpoints are on the circle.
Options:
  • tangent
  • diameter
  • chord
  • radius

Classifier: Contains the AU spelling "centre", which requires conversion to the US spelling "center".

Verifier: The text contains the AU spelling "centre", which must be localized to "center" for a US audience.

mqn_01JBJBQ94TP7WHCHXB125KW1NT Localize Terminology
Multiple Choice
Which of the following equations represents a parabola that has the same turning point as $y = \frac{3}{4}\left(x - \frac{5}{2}\right)^2 + \frac{7}{3}$, but opens in the opposite direction?
Options:
  • $y = \frac{3}{4}\left(x + \frac{5}{2}\right)^2 + \frac{7}{3}$
  • $y = -\frac{3}{4}\left(x - \frac{5}{2}\right)^2 + \frac{7}{3}$
  • $y = -\frac{3}{4}\left(x + \frac{5}{2}\right)^2 + \frac{7}{3}$
  • $y = -\frac{3}{4}\left(x - \frac{5}{2}\right)^2 - \frac{7}{3}$
Multiple Choice
Which of the following equations represents a parabola that has the same vertex as $y = \frac{3}{4}\left(x - \frac{5}{2}\right)^2 + \frac{7}{3}$, but opens in the opposite direction?
Options:
  • $y = \frac{3}{4}\left(x + \frac{5}{2}\right)^2 + \frac{7}{3}$
  • $y = -\frac{3}{4}\left(x - \frac{5}{2}\right)^2 + \frac{7}{3}$
  • $y = -\frac{3}{4}\left(x + \frac{5}{2}\right)^2 + \frac{7}{3}$
  • $y = -\frac{3}{4}\left(x - \frac{5}{2}\right)^2 - \frac{7}{3}$

Classifier: The term "turning point" is standard AU/UK terminology for the vertex of a parabola. In a US context, "vertex" is the standard term.

Verifier: The term "turning point" is the standard AU/UK term for what is called the "vertex" in US mathematics curriculum.

mqn_01JBP6VESWBWK4KE4VDVNXCN50 Localize Terminology
Multiple Choice
Which of the following recurring decimals can be converted to a fraction with a denominator of $99$?
Options:
  • $0.2\overline{7}$
  • $0.\overline{488}$
  • $0.6\overline{3}$
  • $0.\overline{14}$
Multiple Choice
Which of the following repeating decimals can be converted to a fraction with a denominator of $99$?
Options:
  • $0.2\overline{7}$
  • $0.\overline{488}$
  • $0.6\overline{3}$
  • $0.\overline{14}$

Classifier: The term "recurring decimals" is standard in Australian/British English, whereas "repeating decimals" is the standard term used in US school mathematics.

Verifier: The term "recurring decimals" is the standard Australian/British term, whereas "repeating decimals" is used in the US. This requires localization for the US market.

mqn_01JC2RRJ710SP5M7CQZE3J301V Localize Spelling (AU-US)
Multiple Choice
Write the number $20020$ in words.
Options:
  • Twenty thousand and two
  • Twenty thousand and two hundred
  • Two hundred thousand and twenty
  • Twenty thousand and twenty
Multiple Choice
Write the number $20020$ in words.
Options:
  • Twenty thousand two
  • Twenty thousand two hundred
  • Two hundred thousand twenty
  • Twenty thousand twenty

Classifier: The answer choices use the British/Australian convention of including "and" after the hundreds place (e.g., "thousand and twenty"). In US English, "and" is typically reserved for the decimal point in number names. While often considered a stylistic preference, in a primary school context, this is a distinct dialectal difference in how numbers are written in words.

Verifier: The use of "and" in whole number names (e.g., "thousand and twenty") is a distinct AU/UK convention that differs from US school standards where "and" is reserved for decimals.

mqn_01JBRXNWDGMEZQVGNB3YT3V5ES Localize Units (simple)
Multiple Choice
Express the following ratio in the simplest form, ensuring that each quantity has the same units. $2.4$m$\,:1.2$ cm
Options:
  • $5:400$
  • $2:30$
  • $200:1$
  • $40:3$
Multiple Choice
Express the following ratio in the simplest form, ensuring that each quantity has the same units. $2.4$ft$\,:1.2$ in
Options:
  • $5:400$
  • $2:30$
  • $24:1$
  • $40:3$

Classifier: The text contains metric units "m" (metres) and "cm" (centimetres).

Verifier: The text contains metric units "m" (metres) and "cm" (centimetres). The conversion is a simple numeric ratio calculation.

mqn_01JBXCP0YCF5F6H24FDBX0E57T Localize Terminology
Multiple Choice
Which of the following represents the turning point of the parabola $y=-1.75x^2+3.5x-2$ ?
Options:
  • $(1, 0.25)$
  • $(-1, 0.25)$
  • $(1.25, -0.25)$
  • $(1, -0.25)$
Multiple Choice
Which of the following represents the vertex of the parabola $y=-1.75x^2+3.5x-2$ ?
Options:
  • $(1, 0.25)$
  • $(-1, 0.25)$
  • $(1.25, -0.25)$
  • $(1, -0.25)$

Classifier: The term "turning point" is standard AU/UK terminology for the vertex of a parabola. In the US, "vertex" is the standard term used in school mathematics.

Verifier: The term "turning point" is the standard AU/UK term for what is called the "vertex" in US school mathematics.

mqn_01JBRXHRWQW4P44XJNEQDH732P Localize Units (simple)
Multiple Choice
A liquid mixture contains $0.75$ L of oil, $1.25$ L of water and $\frac{1}{2}$ L of glycerin. Express the ratio of oil to water to glycerin in its simplest form.
Options:
  • $3:5:2$
  • $5 : 3 : 2$
  • $3:2:1$
  • $1:5:3$
Multiple Choice
A liquid mixture contains $0.75$ gal of oil, $1.25$ gal of water and $\frac{1}{2}$ gal of glycerin. Express the ratio of oil to water to glycerin in its simplest form.
Options:
  • $3:5:2$
  • $5 : 3 : 2$
  • $3:2:1$
  • $1:5:3$

Classifier: The text contains the metric unit "L" (litres). According to the decision rules, any metric unit requires classification into a units category.

Verifier: The text contains the metric unit "L" (litres). Per rule 3, any metric unit requires at least RED.units_simple_conversion.

mqn_01JBT08BPVACRV1TCGPFA6CR41 Localize Units (simple)
Multiple Choice
A farm has three types of crops: wheat, corn, and soybeans. Each hectare of land can produce $20$ tonnes of wheat, $25$ tonnes of corn, and $15$ tonnes of soybeans. If the total production in tonnes is given by $60t$, what does the variable $t$ represent?
Options:
  • The total tonnes of corn produced
  • The total production in tonnes of wheat and soybeans combined
  • The average production per hectare
  • The number of hectares of land used
Multiple Choice
A farm has three types of crops: wheat, corn, and soybeans. Each acre of land can produce $20$ tons of wheat, $25$ tons of corn, and $15$ tons of soybeans. If the total production in tons is given by $60t$, what does the variable $t$ represent?
Options:
  • The total tons of corn produced
  • The total production in tons of wheat and soybeans combined
  • The average production per acre
  • The number of acres of land used

Classifier: The text contains metric units "hectare" and "tonnes". While "tonnes" is a spelling variant of "tons", it is also a metric unit of mass (1000kg), and "hectare" is a metric unit of area.

Verifier: The text contains metric units "hectare" and "tonnes". "Tonnes" is the metric spelling/unit (1000kg), and "hectare" is a metric unit of area.

mqn_01JC22H36M01YV001W97TDGH3N Localize Answer set
Multiple Choice
Trapezium $WXYZ$ has a right angle at $\angle W$. Which of the following statements must be true? A) $WX$ and $YZ$ are equal in length B) The trapezium has two right angles C) $WX$ and $ZY$ are perpendicular D) $WZ$ and $ZY$ are parallel
Options:
  • D
  • B
  • A
  • C
Multiple Choice
Trapezoid $WXYZ$ has a right angle at $\angle W$. Which of the following statements must be true? A) $WX$ and $YZ$ are equal in length B) The trapezoid has two right angles C) $WX$ and $ZY$ are perpendicular D) $WZ$ and $ZY$ are parallel
Options:
  • D
  • B
  • A
  • C

Classifier: The term "Trapezium" is used. In the US, this shape is called a "Trapezoid". Since the term appears in the question and defines the properties being tested, it requires localization.

Verifier: The term "Trapezium" is the standard AU/UK term for what is called a "Trapezoid" in the US. This is a significant terminology difference in a geometry context.

mqn_01JBJGNDVQ77R1JG8VJ4MADN07 Localize Spelling (AU-US)
Multiple Choice
Which of the following equations represents a circle centred at $\left(-\frac{7}{2}, \frac{5}{3}\right)$ with a radius of $225$ units?
Options:
  • $\left(x + \frac{7}{2}\right)^2 + \left(y - \frac{5}{3}\right)^2 = 225^2$
  • $\left(x + \frac{7}{2}\right)^2 + \left(y - \frac{5}{3}\right)^2 = 225$
  • $\left(x - \frac{7}{2}\right)^2 + \left(y + \frac{5}{3}\right)^2 = 225^2$
  • $\left(x - \frac{7}{2}\right)^2 + \left(y + \frac{5}{3}\right)^2 = 225$
Multiple Choice
Which of the following equations represents a circle centered at $\left(-\frac{7}{2}, \frac{5}{3}\right)$ with a radius of $225$ units?
Options:
  • $\left(x + \frac{7}{2}\right)^2 + \left(y - \frac{5}{3}\right)^2 = 225^2$
  • $\left(x + \frac{7}{2}\right)^2 + \left(y - \frac{5}{3}\right)^2 = 225$
  • $\left(x - \frac{7}{2}\right)^2 + \left(y + \frac{5}{3}\right)^2 = 225^2$
  • $\left(x - \frac{7}{2}\right)^2 + \left(y + \frac{5}{3}\right)^2 = 225$

Classifier: Contains the AU spelling "centred", which needs to be localized to "centered" for a US audience.

Verifier: The text contains "centred", which is the AU/British spelling. US spelling is "centered".

mqn_01JKCGRKX1WTQN611QCRTW6TQ5 Localize Cultural refs
Multiple Choice
True or false: GST is a $10\%$ tax applied to all goods and services sold in Australia.
Options:
  • False
  • True
Multiple Choice
True or false: Sales tax is a $10\%$ tax applied to all goods and services sold in the United States.
Options:
  • False
  • True

Classifier: The question explicitly mentions 'GST' and 'Australia', which are distinct cultural and geographic references requiring localization for a US audience.

Verifier: The question explicitly mentions 'GST' and 'Australia', which are specific cultural and geographic references requiring localization.

mqn_01JKT4YW7SKRGZF4ATVRKRZYNM Localize Terminology
Multiple Choice
True or false: $\sqrt{18}$ is both a radical and a surd.
Options:
  • True
  • False
Multiple Choice
True or false: $\sqrt{18}$ is both a radical and a radical.
Options:
  • True
  • False

Classifier: Contains the term "surd", which is specific to AU/UK school math terminology and usually requires localization to "radical" or similar context in the US.

Verifier: Contains the term "surd", which is specific to AU/UK school math terminology.

mqn_01JKCGMBG760991JH7XP813K63 Localize Cultural refs
Multiple Choice
True or false: GST is only paid by businesses and does not affect consumers.
Options:
  • False
  • True
Multiple Choice
True or false: Sales tax is only paid by businesses and does not affect consumers.
Options:
  • False
  • True

Classifier: GST (Goods and Services Tax) is a specific Australian tax system. In a US context, this would typically be localized to 'Sales Tax' or a similar US-relevant concept.

Verifier: GST (Goods and Services Tax) is a specific tax system used in Australia and other countries, but not the US, where 'Sales Tax' is the standard equivalent.

mqn_01JKT4QNB1XT2PSX4QVTN4CQNC Localize Terminology
Multiple Choice
True or false: Surds are always irrational.
Options:
  • False
  • True
Multiple Choice
True or false: Radicals are always irrational.
Options:
  • False
  • True

Classifier: The term "Surds" is standard in Australian/UK curriculum but is significantly less common in US K-12 education compared to "radicals" or "irrational roots". While mathematically valid, it is a strong indicator of non-US school terminology.

Verifier: The term "Surds" is a specific AU/UK school terminology that is not standard in US K-12 education, where "radicals" is preferred.

mqn_01JKT51D0V6FTXZG18W7TY2MCK Localize Terminology
Multiple Choice
True or false: $\sqrt{1}$ is a surd.
Options:
  • True
  • False
Multiple Choice
True or false: $\sqrt{1}$ is a radical.
Options:
  • True
  • False

Classifier: Contains the term "surd", which is specific to AU/UK school math terminology.

Verifier: Contains the term "surd", which is specific to AU/UK school math terminology.

mqn_01JKT58PGTWPWS1JRY1P9N2GY7 Localize Terminology
Multiple Choice
Which of the following is a surd?
Options:
  • $ \sqrt{64} $
  • $ \sqrt{49} $
  • $ \sqrt{20} $
  • $ \sqrt{100} $
Multiple Choice
Which of the following is a radical?
Options:
  • $ \sqrt{64} $
  • $ \sqrt{49} $
  • $ \sqrt{20} $
  • $ \sqrt{100} $

Classifier: Contains the term "surd", which is specific to AU/UK school math terminology.

Verifier: Contains the term "surd", which is specific to AU/UK school math terminology.

mqn_01JDHGZANAP3G6AM3CKHH3ZFZG Localize Units (simple)
Multiple Choice
The thickness of a piece of paper is approximately $1$ mm. If a book contains $500$ pages, what is the most appropriate unit to express the combined thickness of all the pages?
Options:
  • Metres
  • Centimetres
  • Micrometres
  • MIllimetres
Multiple Choice
The thickness of a piece of paper is approximately $1$ in. If a book contains $500$ pages, what is the most appropriate unit to express the combined thickness of all the pages?
Options:
  • Feet
  • Inches
  • Mils
  • Inches

Classifier: The question is entirely based on metric units (mm, Metres, Centimetres, Micrometres, Millimetres) and contains AU-specific spellings of those units ("Metres", "Centimetres"). Units conversion takes precedence over spelling.

Verifier: The question is based on metric units (mm, Metres, Centimetres, etc.) and uses AU spellings ("Metres", "Centimetres"). Units conversion is the primary requirement.

mqn_01JC2S6GEK859C71GCYXNV15SJ Localize Spelling (AU-US)
Multiple Choice
Add $28660$ and $3406$. What is the answer in words?
Options:
  • Thirty-two thousand six hundred six
  • Thirty-two thousand six hundred and sixty
  • Thirty-two thousand six hundred and sixty-six
  • Thirty-two thousand and sixty-six
Multiple Choice
Add $28660$ and $3406$. What is the answer in words?
Options:
  • Thirty-two thousand six hundred six
  • Thirty-two thousand six hundred sixty
  • Thirty-two thousand six hundred sixty-six
  • Thirty-two thousand sixty-six

Classifier: Similar to Group 8, the answer choices include the "and" conjunction in number names (e.g., "hundred and sixty-six"), which is standard in AU/UK but generally avoided in US math curriculum for whole numbers.

Verifier: The answer choices use the AU/UK convention of including "and" in the word form of whole numbers (e.g., "hundred and sixty-six").

mqn_01JKT24A2HN5Z0429RDHYMDG8V Localize Terminology
Multiple Choice
What is the gradient-intercept form of $4x - y = 8$ ?
Options:
  • $y = 4x + 8$
  • $y = 4x - 8$
  • $y = -4x + 8$
  • $y = -\frac{1}{4}x - 8$
Multiple Choice
What is the slope-intercept form of $4x - y = 8$ ?
Options:
  • $y = 4x + 8$
  • $y = 4x - 8$
  • $y = -4x + 8$
  • $y = -\frac{1}{4}x - 8$

Classifier: The term "gradient-intercept form" is the AU equivalent of the US "slope-intercept form".

Verifier: The term "gradient-intercept form" is the AU equivalent of the US "slope-intercept form".

mqn_01JKC1PVDRJJ4P5Y00KD3XDMEB Localize Units (simple)
Multiple Choice
Drivers must travel slower than $40$ km/h in a certain zone. Which inequality represents this if $v$ is the car's speed?
Options:
  • $v\leq40$
  • $v\geq40$
  • $v>40$
  • $v<40$
Multiple Choice
Drivers must travel slower than $40$ mph in a certain zone. Which inequality represents this if $v$ is the car's speed?
Options:
  • $v\leq40$
  • $v\geq40$
  • $v>40$
  • $v<40$

Classifier: The text contains the metric unit 'km/h', which requires localization to US customary units (mph) or at least triggers the units classification rule.

Verifier: The text contains the metric unit 'km/h', which requires conversion to US customary units (mph).

mqn_01JGZ1DD1YDND1GYCQY9AQFGZA Localize Spelling (AU-US)
Multiple Choice
A survey plans to find the favourite music in a neighbourhood with $100$ people. On the survey day, $20$ more join. Will this make the survey more or less biased?
Options:
  • More biased
  • Less biased
Multiple Choice
A survey plans to find the favorite music in a neighborhood with $100$ people. On the survey day, $20$ more join. Will this make the survey more or less biased?
Options:
  • More biased
  • Less biased

Classifier: Contains the AU spelling "neighbourhood", which requires conversion to the US spelling "neighborhood".

Verifier: The text contains "favourite" and "neighbourhood", which are AU/British spellings requiring localization to US English ("favorite", "neighborhood").

mqn_01JC2SD6P114QQ3MEPQAARB53P Localize Spelling (AU-US)
Multiple Choice
Mia subtracted $3651$ from $9854$. What is the answer in words?
Options:
  • Six thousand two hundred and thirty
  • Six thousand two hundred and three
  • Six thousand three hundred and three
  • Six thousand two hundred and thirty-three
Multiple Choice
Mia subtracted $3651$ from $9854$. What is the answer in words?
Options:
  • Six thousand two hundred thirty
  • Six thousand two hundred three
  • Six thousand three hundred three
  • Six thousand two hundred thirty-three

Classifier: The answer choices use the AU/UK convention of "hundred and [number]", which requires localization for US school standards where "and" is omitted for whole numbers.

Verifier: The answer choices include the "and" conjunction in whole number names, which is a regional linguistic convention requiring localization for US standards.

mqn_01JKSWZ169X5GVYG9EJSRNHSG5 Localize Spelling (AU-US)
Multiple Choice
A company analyses whether its advertising budget affects monthly sales. What is the response variable?
Options:
  • Product price
  • Monthly sales
  • Advertising budget
  • Number of advertisements
Multiple Choice
A company analyzes whether its advertising budget affects monthly sales. What is the response variable?
Options:
  • Product price
  • Monthly sales
  • Advertising budget
  • Number of advertisements

Classifier: Contains the AU spelling "analyses", which needs to be converted to the US spelling "analyzes".

Verifier: The word "analyses" is used as a verb (third-person singular), which in AU/UK English is the spelling for both the plural noun and the verb. In US English, the verb is spelled "analyzes".

mqn_01JKT561EG8CYC1ZQ8TQ1ES7E4 Localize Terminology
Multiple Choice
Which of the following is a surd?
Options:
  • $ \sqrt{1} $
  • $ \sqrt{7} $
  • $ \sqrt{25} $
  • $ \sqrt{16} $
Multiple Choice
Which of the following is a radical?
Options:
  • $ \sqrt{1} $
  • $ \sqrt{7} $
  • $ \sqrt{25} $
  • $ \sqrt{16} $

Classifier: Contains the term "surd", which is specific to AU/UK school math terminology.

Verifier: Contains the term "surd", which is specific to AU/UK school math terminology.

mqn_01JKC3H8G6J928H4D2GSPNJYY7 Localize Units (simple)
Multiple Choice
A construction worker can safely lift objects weighing between $10$ kg and $25$ kg, excluding these values. Which inequality represents this if $x$ is the object's weight?
Options:
  • $10<x<25$
  • $10<x \leq25$
  • $10 \leq x<25$
  • $10\leq x \leq25$
Multiple Choice
A construction worker can safely lift objects weighing between $10$ lbs and $25$ lbs, excluding these values. Which inequality represents this if $x$ is the object's weight?
Options:
  • $10<x<25$
  • $10<x \leq25$
  • $10 \leq x<25$
  • $10\leq x \leq25$

Classifier: The text contains the metric unit 'kg', which requires localization to US customary units (lbs) per the decision rules.

Verifier: The text contains the metric unit 'kg', which requires conversion to US customary units (lbs).

mqn_01JKTA7QRME3W83F89CFAS71AS Localize Terminology
Multiple Choice
Convert the equation $y=2x^2 + 8x + 3$ to turning point form.
Options:
  • $y=2(x - 4)^2 - 3$
  • $y=2(x - 2)^2 + 5$
  • $y=2(x + 2)^2 + 3$
  • $y=2(x + 2)^2 - 5$
Multiple Choice
Convert the equation $y=2x^2 + 8x + 3$ to vertex form.
Options:
  • $y=2(x - 4)^2 - 3$
  • $y=2(x - 2)^2 + 5$
  • $y=2(x + 2)^2 + 3$
  • $y=2(x + 2)^2 - 5$

Classifier: The term "turning point form" is the standard AU/UK term for what is called "vertex form" in the US.

Verifier: The term "turning point form" is the standard Australian/British term for what is called "vertex form" in the US, requiring localization.

mqn_01JKT160C4EJGEYXA1A2Q7MXNR Localize Terminology
Multiple Choice
What are the solutions to the simultaneous equations $3x + 5y = 5$ and $6x - 2y = 4$?
Options:
  • $x=\frac{1}{2}$ and $y=5$
  • $x=\frac{1}{2}$ and $y=\frac{5}{6}$
  • $x=\frac{1}{2}$ and $y=6$
  • $x=\frac{1}{2}$ and $y=\frac{1}{4}$
Multiple Choice
What are the solutions to the system of equations $3x + 5y = 5$ and $6x - 2y = 4$?
Options:
  • $x=\frac{1}{2}$ and $y=5$
  • $x=\frac{1}{2}$ and $y=\frac{5}{6}$
  • $x=\frac{1}{2}$ and $y=6$
  • $x=\frac{1}{2}$ and $y=\frac{1}{4}$

Classifier: The term "simultaneous equations" is the standard AU/UK term for what is typically called a "system of equations" in US curriculum.

Verifier: The term "simultaneous equations" is the standard AU/UK term for what is called a "system of equations" in the US.

mqn_01JKT28NEJNAAG1KB79RJ0JTE7 Localize Terminology
Multiple Choice
What is the gradient-intercept form of $7x - 2y = 10$ ?
Options:
  • $y = \frac{2}{7}x -5$
  • $y = -\frac{7}{2}x + 5$
  • $y = \frac{7}{2}x - 5$
  • $y = -\frac{2}{7}x + 5$
Multiple Choice
What is the slope-intercept form of $7x - 2y = 10$ ?
Options:
  • $y = \frac{2}{7}x -5$
  • $y = -\frac{7}{2}x + 5$
  • $y = \frac{7}{2}x - 5$
  • $y = -\frac{2}{7}x + 5$

Classifier: The term "gradient-intercept form" is the AU equivalent of the US "slope-intercept form".

Verifier: The term "gradient-intercept form" is the AU equivalent of the US "slope-intercept form".

mqn_01JKQE2X0GMBXJ1FT2DABVSAPG Localize Spelling (AU-US)
Multiple Choice
Factorise $3ax+2ay+6bx+4by$ by grouping.
Options:
  • $(2x+2y)(a+2b)$
  • $(3x-2y)(a+2b)$
  • $(3x+2y)(a+2b)$
  • $(2x+2y)(a+3b)$
Multiple Choice
Factor $3ax+2ay+6bx+4by$ by grouping.
Options:
  • $(2x+2y)(a+2b)$
  • $(3x-2y)(a+2b)$
  • $(3x+2y)(a+2b)$
  • $(2x+2y)(a+3b)$

Classifier: Contains the AU spelling "Factorise", which needs to be converted to the US spelling "Factorize".

Verifier: The text contains "Factorise", which is the AU spelling. US spelling is "Factorize".

mqn_01JKTANR4CCYZFK35BFRG6K98C Localize Terminology
Multiple Choice
True or false: The turning point form of $y=-3x^2 + 6x - 5$ is given by $y=-3(x-1)^2+2$.
Options:
  • True
  • False
Multiple Choice
True or false: The vertex form of $y=-3x^2 + 6x - 5$ is given by $y=-3(x-1)^2+2$.
Options:
  • True
  • False

Classifier: The term "turning point form" is used, which requires localization to "vertex form" for a US audience.

Verifier: The term "turning point form" is used, which is a locale-specific school term (AU/UK) for "vertex form" (US).

mqn_01JKZ95DMYBAWF5BWAZW53W8P4 Localize Spelling (AU-US)
Multiple Choice
True or false: $x^2(x+4)=0$ is a cubic equation in factorised form.
Options:
  • False
  • True
Multiple Choice
True or false: $x^2(x+4)=0$ is a cubic equation in factored form.
Options:
  • False
  • True

Classifier: The word "factorised" in the question content uses AU spelling.

Verifier: The word "factorised" in the question content uses AU/UK spelling.

mqn_01JKZ92N04W77X9SNNX05YKD1Q Localize Spelling (AU-US)
Multiple Choice
Fill in the blank: $(x-5)(x-3)(x-4)=0$ is a cubic equation in $[?]$ form.
Options:
  • Standard
  • Factorised
Multiple Choice
Fill in the blank: $(x-5)(x-3)(x-4)=0$ is a cubic equation in $[?]$ form.
Options:
  • Standard
  • Factored

Classifier: The answer choice "Factorised" uses the AU 's' spelling instead of the US 'z' spelling ("Factorized").

Verifier: The answer choice "Factorised" uses the AU/UK spelling (with 's') instead of the US spelling "Factorized".

mqn_01JKZ9A3W6REJ0DSDPC76R2G98 Localize Spelling (AU-US)
Multiple Choice
Fill in the blank: $x(x-5)^2=0$ is a cubic equation in $[?]$ form.
Options:
  • Factorised
  • Standard
Multiple Choice
Fill in the blank: $x(x-5)^2=0$ is a cubic equation in $[?]$ form.
Options:
  • Factored
  • Standard

Classifier: The answer choice "Factorised" uses AU spelling.

Verifier: The answer choice "Factorised" uses AU/UK spelling.

mqn_01JMC4JW0SE3TRVH6FACF2PDJ7 Localize Terminology
Multiple Choice
True or false: The turning point of a parabola is always on the $x$-axis.
Options:
  • True
  • False
Multiple Choice
True or false: The vertex of a parabola is always on the $x$-axis.
Options:
  • True
  • False

Classifier: The term "turning point" is standard AU/UK terminology for the vertex of a parabola. In a US context, "vertex" is the standard term.

Verifier: The term "turning point" is specific AU/UK terminology for the vertex of a parabola. US localization requires "vertex".

mqn_01JKTAH6YSZTBB637GMEZHA71M Localize Terminology
Multiple Choice
Convert the equation $y=4x^2 + 16x - 1$ to turning point form.
Options:
  • $y=4(x + 2)^2 - 17$
  • $y=4(x + 2)^2 - 3$
  • $y=4(x + 2)^2 + 1$
  • $y=4(x + 2)^2 - 5$
Multiple Choice
Convert the equation $y=4x^2 + 16x - 1$ to vertex form.
Options:
  • $y=4(x + 2)^2 - 17$
  • $y=4(x + 2)^2 - 3$
  • $y=4(x + 2)^2 + 1$
  • $y=4(x + 2)^2 - 5$

Classifier: The term "turning point form" is used, which requires localization to "vertex form" for a US audience.

Verifier: The term "turning point form" is used, which is a locale-specific school term (AU/UK) for "vertex form" (US).

mqn_01JM1TF1ERPZ9D2TZX0WV0EA7K Localize Units (simple)
Multiple Choice
What type of data is a runner’s finishing time in a $100$ m race?
Options:
  • Continuous
  • Discrete
Multiple Choice
What type of data is a runner’s finishing time in a $100$ ft race?
Options:
  • Continuous
  • Discrete

Classifier: The text contains a metric unit ("m" for metres) in the context of a "100 m race". Per rule 1 and 7, any metric unit triggers a RED classification.

Verifier: The text contains the metric unit "m" (metres) in the context of a "100 m race". Per the decision rules, any metric unit triggers a RED classification for conversion to US customary units (e.g., yards or 100-meter dash context).

mqn_01JM1RY8746QB7Z0XY2SXM7CG1 Localize Units (simple)
Multiple Choice
What type of data is a city's daily high temperature ($^\circ C$) for a month?
Options:
  • Categorical
  • Numerical
Multiple Choice
What type of data is a city's daily high temperature ($^\circ F$) for a month?
Options:
  • Categorical
  • Numerical

Classifier: The text contains the metric unit for temperature (degrees Celsius), which requires localization to Fahrenheit for a US audience.

Verifier: The text contains the metric unit for temperature (degrees Celsius), which requires conversion to Fahrenheit for a US audience.

mqn_01JMC4TQ7YGD960EFG6MPHC8YX Localize Terminology
Multiple Choice
True or false: For a parabola in the form $y = (x - a)(x - b)$, the $x$-coordinate of the turning point is the midpoint of $a$ and $b$.
Options:
  • True
  • False
Multiple Choice
True or false: For a parabola in the form $y = (x - a)(x - b)$, the $x$-coordinate of the vertex is the midpoint of $a$ and $b$.
Options:
  • True
  • False

Classifier: The term "turning point" is used to describe the vertex of a parabola, which is specific to AU/UK school terminology. US localization requires "vertex".

Verifier: The term "turning point" is specific AU/UK terminology for the vertex of a parabola. US localization requires "vertex".

mqn_01JM13YP4E05QMW8MP1EJA1C36 Localize Terminology
Multiple Choice
Fill in the blank: The point-gradient form of a linear equation is given by $y - y_1 = m(x - x_1)$, where $m$ is the $[?]$ of the line.
Options:
  • Gradient
  • $y$-intercept
  • $x$-intercept
  • Midpoint
Multiple Choice
Fill in the blank: The point-slope form of a linear equation is given by $y - y_1 = m(x - x_1)$, where $m$ is the $[?]$ of the line.
Options:
  • Slope
  • $y$-intercept
  • $x$-intercept
  • Midpoint

Classifier: The term "point-gradient form" is the standard Australian term for what is called "point-slope form" in the United States. Additionally, the answer choice "Gradient" must be localized to "Slope".

Verifier: The term "point-gradient form" is the standard Australian terminology for what is known as "point-slope form" in the US. Additionally, "Gradient" is used where "Slope" is the standard US term.

mqn_01JM9EEHW2N25YNYM7GRJGVCGJ Localize Spelling (AU-US)
Multiple Choice
Which asset is likely to depreciate the fastest?
Options:
  • A new car
  • Land near a shopping centre
  • Properly stored fine wine
  • A rare antique watch
Multiple Choice
Which asset is likely to depreciate the fastest?
Options:
  • A new car
  • Land near a shopping center
  • Properly stored fine wine
  • A rare antique watch

Classifier: Contains the AU spelling "centre" which needs to be converted to the US spelling "center".

Verifier: Contains the AU spelling "centre" in the answer choices, which requires localization to "center" for the US locale.

mqn_01JM14AKZ6ENYD25ZQ92QWANAD Localize Terminology
Multiple Choice
Which of the following equations is written in point-gradient form?
Options:
  • $ 2x + 3y = 6 $
  • $ x = 2y + 4 $
  • $ y - 4 = 2(x - 3) $
  • $ 3y = 5x - 7 $
Multiple Choice
Which of the following equations is written in point-slope form?
Options:
  • $ 2x + 3y = 6 $
  • $ x = 2y + 4 $
  • $ y - 4 = 2(x - 3) $
  • $ 3y = 5x - 7 $

Classifier: The term "point-gradient form" is used, which requires localization to "point-slope form" for a US audience.

Verifier: The term "point-gradient form" is Australian terminology that requires localization to "point-slope form" for the US market.

mqn_01JMHB9C93VN80TN9X1W2AZ8FX Localize Terminology
Multiple Choice
To show the distribution of ages of students in a class, which graph should be used?
Options:
  • Histogram
  • Column graph
Multiple Choice
To show the distribution of ages of students in a class, which graph should be used?
Options:
  • Histogram
  • Bar graph

Classifier: The term "Column graph" is the standard AU term for what is typically called a "Bar graph" or "Bar chart" in US curriculum.

Verifier: The term "Column graph" is the standard Australian curriculum term for what is called a "Bar graph" in the US.

mqn_01JMECXV8A41MW8T8QX5B2ZVW2 Localize Terminology
Multiple Choice
Which of the following is not an example of ordinal data?
Options:
  • Stages of life
  • Blood types
  • Product quality levels
  • Year levels in school
Multiple Choice
Which of the following is not an example of ordinal data?
Options:
  • Stages of life
  • Blood types
  • Product quality levels
  • Grade levels in school

Classifier: The term "Year levels" is the standard Australian way to refer to school grades. In the US, this is typically "Grade levels". Per the decision rules, terminology takes precedence over GREEN.

Verifier: The term "Year levels" is specific to the Australian school system (and other Commonwealth systems), whereas the US uses "Grade levels". This requires localization.

mqn_01JME02RVTY69BTAMRXSFZHJPD Localize Units (simple)
Multiple Choice
True or false: The displacement of air particles in a sound wave is given by $y = 10\cos\left(\frac{\pi}{5}t\right)$, where $y$ is the displacement in metres and $t$ is the time in seconds. At $t = 5$, the particle is at its lowest position.
Options:
  • False
  • True
Multiple Choice
True or false: The displacement of air particles in a sound wave is given by $y = 10\cos\left(\frac{\pi}{5}t\right)$, where $y$ is the displacement in feet and $t$ is the time in seconds. At $t = 5$, the particle is at its lowest position.
Options:
  • False
  • True

Classifier: The text contains the metric unit "metres", which requires both spelling localization ("meters") and unit conversion to US customary units (e.g., "feet") depending on the specific curriculum depth, but at minimum it triggers the units conversion category.

Verifier: The text contains the metric unit "metres", which is both an AU spelling and a metric unit requiring conversion to US customary units. Since units conversion is the most impactful change, RED.units_simple_conversion is correct.

mqn_01JM14DQX88Q2PCGGG4G6C8R54 Localize Terminology
Multiple Choice
Which of the following equations is written in point-gradient form?
Options:
  • $ 2(y - 3) = 4(x + 1) $
  • $ y - 5 = -\frac{3}{2}(x - 4) $
  • $ y = \frac{5}{2}x - 7 $
  • $ x - 1 = \frac{1}{3}(y + 2) $
Multiple Choice
Which of the following equations is written in point-slope form?
Options:
  • $ 2(y - 3) = 4(x + 1) $
  • $ y - 5 = -\frac{3}{2}(x - 4) $
  • $ y = \frac{5}{2}x - 7 $
  • $ x - 1 = \frac{1}{3}(y + 2) $

Classifier: The term "point-gradient form" is used, which requires localization to "point-slope form" for a US audience.

Verifier: The term "point-gradient form" is Australian terminology that requires localization to "point-slope form" for the US market.

mqn_01JMF1R1A783X7RCM133WRK20Z Localize Answer set
Multiple Choice
Which season comes just after winter?
Options:
  • Winter
  • Summer
  • Spring
  • Autumn
Multiple Choice
Which season comes just after winter?
Options:
  • Winter
  • Summer
  • Spring
  • Fall

Classifier: The term "Autumn" is used in the answer set, which is the standard AU term. In the US, "Fall" is the preferred term. Additionally, the sequence of seasons (Spring following Winter) is universal, but the term "Autumn" requires localization for US consistency.

Verifier: The answer set contains "Autumn", which is the standard term in Australia but is typically replaced by "Fall" in US localization contexts.

mqn_01JMF1X7K42JQ3G0HT5KTNB8FT Localize Answer set
Multiple Choice
Which season comes just before summer?
Options:
  • Winter
  • Summer
  • Autumn
  • Spring
Multiple Choice
Which season comes just before summer?
Options:
  • Winter
  • Summer
  • Fall
  • Spring

Classifier: Contains the term "Autumn" in the answer choices, which requires localization to "Fall" for the US market.

Verifier: The answer set contains "Autumn", which requires localization to "Fall" for US consistency.

mqn_01JMF25MXA466W309P8SPABG84 Localize Answer set
Multiple Choice
What is the correct order of the seasons starting from spring?
Options:
  • Spring, Summer, Autumn, Winter
  • Spring, Summer, Winter, Autumn
  • Spring, Winter, Summer, Autumn
  • Spring, Autumn, Summer, Winter
Multiple Choice
What is the correct order of the seasons starting from spring?
Options:
  • Spring, Summer, Fall, Winter
  • Spring, Summer, Winter, Fall
  • Spring, Winter, Summer, Fall
  • Spring, Fall, Summer, Winter

Classifier: Contains the term "Autumn" multiple times in the answer set. This needs to be localized to "Fall" for US consistency.

Verifier: The answer set contains "Autumn" in multiple options, requiring localization to "Fall" for the US market.

mqn_01JMHBWZTP38J6D7YV0R0PX2XZ Localize Terminology
Multiple Choice
A shop records the number of items sold each day over a month. Which graph best displays this data?
Options:
  • Column graph
  • Histogram
Multiple Choice
A store records the number of items sold each day over a month. Which graph best displays this data?
Options:
  • Bar graph
  • Histogram

Classifier: The term "Column graph" is used, which is an AU-specific convention for bar charts.

Verifier: The term "Column graph" is an AU-specific curriculum term for a bar chart.

mqn_01JMHBTJH7YW9C6Q4FX77MNJND Localize Terminology
Multiple Choice
A survey records the number of hours participants spend on social media each week. Which graph best displays this data?
Options:
  • Histogram
  • Column graph
Multiple Choice
A survey records the number of hours participants spend on social media each week. Which graph best displays this data?
Options:
  • Histogram
  • Bar graph

Classifier: The term "Column graph" is used, which requires localization to "Bar graph" for US audiences.

Verifier: The term "Column graph" is an AU-specific curriculum term for a bar chart.

mqn_01JMHC59GSP0GQ2YGE09GS6SMH Localize Terminology
Multiple Choice
A fitness tracker records the daily number of steps taken by each individual. Which graph best displays this data?
Options:
  • Column graph
  • Histogram
Multiple Choice
A fitness tracker records the daily number of steps taken by each individual. Which graph best displays this data?
Options:
  • Bar graph
  • Histogram

Classifier: The term "Column graph" is used, which is an AU-specific convention for bar charts.

Verifier: The term "Column graph" is an AU-specific curriculum term for a bar chart.

mqn_01JMWZNGK3BP21YWY26F4EX4ZK Localize Spelling (AU-US)
Multiple Choice
True or false: A spinner divided equally into four colours is spun $80$ times. Red appears $25$ times. The experimental result equals the expected result.
Options:
  • True
  • False
Multiple Choice
True or false: A spinner divided equally into four colors is spun $80$ times. Red appears $25$ times. The experimental result equals the expected result.
Options:
  • True
  • False

Classifier: The text contains the AU/UK spelling "colours", which needs to be localized to the US spelling "colors".

Verifier: The text contains "colours", which is the AU/UK spelling. This requires localization to "colors" for the US market.

mqn_01JMK4W6ZFNPEJEET6529DPSMG Localize Units (simple)
Multiple Choice
A runner runs $10$ km on the first day of training. Each day, they add $2$ km to their run. Which recurrence relation represents this situation?
Options:
  • $T_0=10, T_{n+1} = T_n - 2$
  • $T_0=10, T_{n+1} = T_n + 2$
  • $T_0=10, T_{n+1} = T_n - 5$
  • $T_0=10, T_{n+1} = T_n + 5$
Multiple Choice
A runner runs $10$ mi on the first day of training. Each day, they add $2$ mi to their run. Which recurrence relation represents this situation?
Options:
  • $T_0=10, T_{n+1} = T_n - 2$
  • $T_0=10, T_{n+1} = T_n + 2$
  • $T_0=10, T_{n+1} = T_n - 5$
  • $T_0=10, T_{n+1} = T_n + 5$

Classifier: The text contains the metric unit "km" (kilometres), which requires localization to US customary units (miles) or at least triggers the units category per decision rules.

Verifier: The text contains the metric unit "km" (kilometres), which requires localization to US customary units (miles) per the decision rules.

mqn_01JMK5950NRE8TYZBFBQK195EF Localize Units (simple)
Multiple Choice
A chemical solution is $1200$ ml. Each hour, $75$ ml evaporates, and $15$ ml is added. Which recurrence relation represents this situation?
Options:
  • $T_0=1200, T_{n+1} = T_n - 75$
  • $T_0= 1200, T_{n+1} = T_n +15$
  • $T_0 = 1200, T_{n+1} = T_n- 90$
  • $T_0 = 1200, T_{n+1} = T_n- 60$
Multiple Choice
A chemical solution is $1200$ fl oz. Each hour, $75$ fl oz evaporates, and $15$ fl oz is added. Which recurrence relation represents this situation?
Options:
  • $T_0=1200, T_{n+1} = T_n - 75$
  • $T_0= 1200, T_{n+1} = T_n +15$
  • $T_0 = 1200, T_{n+1} = T_n- 90$
  • $T_0 = 1200, T_{n+1} = T_n- 60$

Classifier: The text contains the metric unit 'ml' (milliliters), which requires conversion to US customary units (e.g., fluid ounces) or a change in context for US localization.

Verifier: The text contains the metric unit 'ml' (milliliters) multiple times, which requires conversion to US customary units (e.g., fluid ounces) for US localization.

mqn_01JMK5K394SH4PEP9787YP1PPT Localize Units (simple)
Multiple Choice
A water tank has $1500$ L of water. Each day, $125$ L are used, and $20.5$ L are added from rainfall. Which recurrence relation represents this situation?
Options:
  • $T_0=1500,$ $ T_{n+1} = T_n +145.5$
  • $T_0=1500,$ $T_{n+1} = T_n-104.5$
  • $T_0=1500,$ $T_{n+1} = T_n +104.5$
  • $T_0=1500,$ $T_{n+1} = T_n +125$
Multiple Choice
A water tank has $1500$ gal of water. Each day, $125$ gal are used, and $20.5$ gal are added from rainfall. Which recurrence relation represents this situation?
Options:
  • $T_0=1500,$ $ T_{n+1} = T_n +145.5$
  • $T_0=1500,$ $T_{n+1} = T_n-104.5$
  • $T_0=1500,$ $T_{n+1} = T_n +104.5$
  • $T_0=1500,$ $T_{n+1} = T_n +125$

Classifier: The text contains the metric unit 'L' (liters), which requires conversion to US customary units (e.g., gallons) for US localization.

Verifier: The text contains the metric unit 'L' (liters), which requires conversion to US customary units (e.g., gallons) for US localization.

mqn_01JSP0143E157J1Z7TPAANM5CC Localize Terminology
Multiple Choice
True or false: $y = (x - 3)^2 + 4$ is the turning point form of the quadratic equation $y = x^2 - 6x + 13$.
Options:
  • False
  • True
Multiple Choice
True or false: $y = (x - 3)^2 + 4$ is the vertex form of the quadratic equation $y = x^2 - 6x + 13$.
Options:
  • False
  • True

Classifier: The term "turning point form" is the standard AU/UK term for what is known as "vertex form" in the US.

Verifier: The term "turning point form" is the standard AU/UK term for what is known as "vertex form" in the US. This requires localization for a US audience.

mqn_01JSNHGGH7SN6F318CDSPZV1CA Localize Terminology
Multiple Choice
What is the gradient-intercept form of $-3x + y = -5$ ?
Options:
  • $y= -3x -5$
  • $y= 3x +5$
  • $y= 3x -5$
  • $y= -3x +5$
Multiple Choice
What is the slope-intercept form of $-3x + y = -5$ ?
Options:
  • $y= -3x -5$
  • $y= 3x +5$
  • $y= 3x -5$
  • $y= -3x +5$

Classifier: The term "gradient-intercept form" is the standard AU term for what is called "slope-intercept form" in the US. This requires terminology localization.

Verifier: The term "gradient-intercept form" is the standard Australian curriculum term for what is known as "slope-intercept form" in the US, requiring terminology localization.

mqn_01JT5FXQKKMBW8QG90CRMVEK4R Localize Units (simple)
Multiple Choice
Which of the following is not numerical data?
Options:
  • The age of a building in years
  • The speed (km/h) of a cyclist recorded every minute
  • The number of students enrolled in a course
  • The serial numbers of laptops issued to staff
Multiple Choice
Which of the following is not numerical data?
Options:
  • The age of a building in years
  • The speed (mph) of a cyclist recorded every minute
  • The number of students enrolled in a course
  • The serial numbers of laptops issued to staff

Classifier: The text contains the metric unit 'km/h' in one of the answer choices, which requires conversion to US customary units (mph).

Verifier: The text contains the metric unit "km/h" in one of the answer choices, which requires conversion to US customary units (mph).

mqn_01JSXK9REH4JHGX8T3NWK6PVC4 Localize Spelling (AU-US)
Multiple Choice
Fill in the blank: Depreciation refers to the $[?]$ in the value of an asset over time due to wear and tear or obsolescence.
Options:
  • Stabilisation
  • Increase
  • Decrease
  • Growth
Multiple Choice
Fill in the blank: Depreciation refers to the $[?]$ in the value of an asset over time due to wear and tear or obsolescence.
Options:
  • Stabilization
  • Increase
  • Decrease
  • Growth

Classifier: The answer choice "Stabilisation" uses the AU/UK 's' spelling, which requires conversion to the US 'z' spelling ("Stabilization").

Verifier: The answer choice "Stabilisation" uses the AU/UK 's' spelling, which requires localization to the US 'z' spelling ("Stabilization").

mqn_01JT2SAJP12VD107CQCFBS18GM Localize Units (simple)
Multiple Choice
A jug has a capacity of $1.5$L. Which of the following best explains what this means?
Options:
  • It is $1.5$ m tall
  • It weighs $1.5$ kg when full
  • It is made from $1.5$ L of plastic
  • It can hold $1.5$ L of space inside
Multiple Choice
A pitcher has a capacity of $1.5$ gal. Which of the following best explains what this means?
Options:
  • It is $1.5$ ft tall
  • It weighs $1.5$ lbs when full
  • It is made from $1.5$ gal of plastic
  • It can hold $1.5$ gal of space inside

Classifier: The question and answers contain multiple metric units (L, m, kg) which require conversion for a US audience.

Verifier: The question and answers contain multiple metric units (L, m, kg) which require conversion for a US audience.

mqn_01JT2NY7KGRKSBB6TTKCS8ZBMP Localize Terminology
Multiple Choice
What does the A stands for in BODMAS?
Options:
  • Among
  • Accumulate
  • Any
  • Addition
Multiple Choice
What does the A stand for in PEMDAS?
Options:
  • Among
  • Accumulate
  • Any
  • Addition

Classifier: BODMAS is the standard acronym for order of operations in Australia/UK. In the US, PEMDAS is the standard acronym. This requires terminology localization.

Verifier: BODMAS is the standard acronym in Australia, whereas PEMDAS is used in the US. This is a school-context terminology difference.

mqn_01JT0JZG44ZQ618XJV643DP8F5 Localize Cultural refs
Multiple Choice
Which of the following best describes GST?
Options:
  • A discount given at checkout
  • A tax added to most goods and services
  • A store membership fee
  • A shipping charge
Multiple Choice
Which of the following best describes sales tax?
Options:
  • A discount given at checkout
  • A tax added to most goods and services
  • A store membership fee
  • A shipping charge

Classifier: GST (Goods and Services Tax) is the specific consumption tax system used in Australia. The US uses "Sales Tax" which is structured differently (state-level vs national). This is a distinct cultural/economic reference.

Verifier: GST (Goods and Services Tax) is a specific tax system used in Australia (and other countries like NZ/Canada), whereas the US uses Sales Tax. This is a cultural/economic reference requiring localization.

mqn_01JTHYVQNVFNWPFEGDGF7BX0QA Localize Terminology
Multiple Choice
Classify the solution(s) to the following simultaneous equations, where $a \ge 2$ and $ b > 0$: $ a(2x - y) + b(x + y) = 3a + b$ $ 2ax + bx + (b - a)y = 5$
Options:
  • Infinitely many solutions
  • Two solutions
  • No solution
  • One solution
Multiple Choice
Classify the solution(s) to the following system of equations, where $a \ge 2$ and $ b > 0$: $ a(2x - y) + b(x + y) = 3a + b$ $ 2ax + bx + (b - a)y = 5$
Options:
  • Infinitely many solutions
  • Two solutions
  • No solution
  • One solution

Classifier: The term "simultaneous equations" is the standard AU/UK term for what is typically called a "system of equations" in US curriculum.

Verifier: The term "simultaneous equations" is the standard AU/UK terminology for what is called a "system of equations" in the US.

mqn_01JT7TKS5B3P5XTM0KTPQD1GTY Localize Terminology
Multiple Choice
Line segments connecting the points $A(-10, 6)$, $B(4, 6)$, $C(8, -4)$, and $D(-10, -4)$ form a trapezium. Which statement about the gradients of the sides is true? A) All sides have gradient $0$ B) The gradients of $AB$ and $CD$ are $0$ C) The gradients of $AD$ and $BC$ are undefined D) Only $BC$ has an undefined gradient
Options:
  • A
  • C
  • D
  • B
Multiple Choice
Line segments connecting the points $A(-10, 6)$, $B(4, 6)$, $C(8, -4)$, and $D(-10, -4)$ form a trapezoid. Which statement about the slopes of the sides is true? A) All sides have slope $0$ B) The slopes of $AB$ and $CD$ are $0$ C) The slopes of $AD$ and $BC$ are undefined D) Only $BC$ has an undefined slope
Options:
  • A
  • C
  • D
  • B

Classifier: The text uses the term "trapezium", which in the US refers to a quadrilateral with no parallel sides, whereas in AU/UK it refers to a quadrilateral with at least one pair of parallel sides (which the US calls a "trapezoid"). This requires terminology localization.

Verifier: The text uses the term "trapezium", which in the US refers to a quadrilateral with no parallel sides, whereas in AU/UK it refers to a quadrilateral with at least one pair of parallel sides (US "trapezoid"). This requires terminology localization.

mqn_01JTHBJY4043252919RT3X74YT Localize Units (simple)
Multiple Choice
The area of a rectangular garden is given by the expression $ (2x+5)(x-3)+(x+2)^2- (3x-4)^2$ square metres. Expand and simplify the expression.
Options:
  • $-6x^2 + 27x + 27$
  • $-6x^2 + 23x - 27$
  • $6x^2 + 27x - 27$
  • $-6x^2 + 27x - 27$
Multiple Choice
The area of a rectangular garden is given by the expression $ (2x+5)(x-3)+(x+2)^2- (3x-4)^2$ square feet. Expand and simplify the expression.
Options:
  • $-6x^2 + 27x + 27$
  • $-6x^2 + 23x - 27$
  • $6x^2 + 27x - 27$
  • $-6x^2 + 27x - 27$

Classifier: The text contains the metric unit "metres" (square metres), which requires conversion to US customary units (square feet/yards) and also contains AU-specific spelling ("metres" vs "meters"). Per rule 6, units conversion takes precedence over spelling.

Verifier: The text contains "square metres", which is both a metric unit requiring conversion and an AU-specific spelling. Per rule 5, units conversion takes precedence over spelling.

mqn_01JTHXCX7NW3GAEGFDMJR518QB Localize Spelling (AU-US)
Multiple Choice
Which of the following expressions can be factorised as $(3a - 4b)(3a + 4b)(9a^2 + 16b^2)$?
Options:
  • $81a^2 - 256b^2$
  • $81a^4 - 256b^4$
  • $81a^6 - 512b^4$
  • $81a^6 - 256b^2$
Multiple Choice
Which of the following expressions can be factored as $(3a - 4b)(3a + 4b)(9a^2 + 16b^2)$?
Options:
  • $81a^2 - 256b^2$
  • $81a^4 - 256b^4$
  • $81a^6 - 512b^4$
  • $81a^6 - 256b^2$

Classifier: The word "factorised" uses the AU/UK 's' spelling and needs to be converted to the US 'z' spelling ("factorized").

Verifier: The text contains "factorised", which is the AU/UK spelling. US spelling is "factorized".

mqn_01JTN6YP391SYTV6FZBB5JNYNM Localize Terminology
Multiple Choice
A linear equation passes through the point $\left(-\frac{2}{5},\ \frac{7}{4}\right)$ and has a gradient of $-\frac{5}{3}$. What is the equation of the line in general form?
Options:
  • $15x + 12y - 13 = 0$
  • $20x + 12y - 13 = 0$
  • $12x + 20y - 13 = 0$
  • $20x + 12y + 13 = 0$
Multiple Choice
A linear equation passes through the point $\left(-\frac{2}{5},\ \frac{7}{4}\right)$ and has a slope of $-\frac{5}{3}$. What is the equation of the line in general form?
Options:
  • $15x + 12y - 13 = 0$
  • $20x + 12y - 13 = 0$
  • $12x + 20y - 13 = 0$
  • $20x + 12y + 13 = 0$

Classifier: The term "gradient" is standard in AU/UK for the steepness of a line, whereas "slope" is the standard term in US school mathematics. Additionally, "general form" in the US usually refers to Ax + By + C = 0, but the terminology preference (slope vs gradient) is a clear localization signal.

Verifier: The term "gradient" is the standard AU/UK term for the US "slope", which is a school-context terminology difference.

mqn_01JTHGP5JX6JNKPSRFFKJJ4HMY Localize Spelling (AU-US)
Multiple Choice
Write $2ax - 3bx + 4ay - 6by + ax - \dfrac{3}{2}bx$ in factorised form.
Options:
  • $(3x + 4y)\left(a - \dfrac{3}{2}b\right)$
  • $\left(a - \dfrac{3}{2}b \right)(3x - 4y)$
  • $(x + 2y)\left(3a - \dfrac{9}{2}b \right)$
  • $\left (a - \dfrac{2}{3}b \right)(3x + 4y)$
Multiple Choice
Write $2ax - 3bx + 4ay - 6by + ax - \dfrac{3}{2}bx$ in factored form.
Options:
  • $(3x + 4y)\left(a - \dfrac{3}{2}b\right)$
  • $\left(a - \dfrac{3}{2}b \right)(3x - 4y)$
  • $(x + 2y)\left(3a - \dfrac{9}{2}b \right)$
  • $\left (a - \dfrac{2}{3}b \right)(3x + 4y)$

Classifier: Contains the AU spelling "factorised".

Verifier: The text contains the AU spelling "factorised" (US: factorized).

mqn_01JTHG94JSJ5D1J2815DJ7E4ND Localize Spelling (AU-US)
Multiple Choice
Write $12x^3 - 6y - 18x^2y + 4x + 8x^2 - 12xy $ in factorised form.
Options:
  • $2(2x - 3y)(3x^2 + 2x + 1)$
  • $(2x - 3y)(6x^2 + 6x + 2)$
  • $(2x - 3y)(3x^2 + x + 1)$
  • $(x - y)(12x^2 + 4x + 1)$
Multiple Choice
Write $12x^3 - 6y - 18x^2y + 4x + 8x^2 - 12xy $ in factored form.
Options:
  • $2(2x - 3y)(3x^2 + 2x + 1)$
  • $(2x - 3y)(6x^2 + 6x + 2)$
  • $(2x - 3y)(3x^2 + x + 1)$
  • $(x - y)(12x^2 + 4x + 1)$

Classifier: Contains the AU spelling "factorised".

Verifier: The text contains the AU spelling "factorised" (US: factorized).

mqn_01JTHXEQVKXBN29WFMYPH1N415 Localize Spelling (AU-US)
Multiple Choice
Which of the following expressions can be factorised as $(5m - 2n)(5m + 2n)(25m^2 + 4n^2)$?
Options:
  • $625m^4 - 64n^4$
  • $625m^2 - 16n^2$
  • $625m^4 - 16n^4$
  • $625m^2 - 64n^2$
Multiple Choice
Which of the following expressions can be factored as $(5m - 2n)(5m + 2n)(25m^2 + 4n^2)$?
Options:
  • $625m^4 - 64n^4$
  • $625m^2 - 16n^2$
  • $625m^4 - 16n^4$
  • $625m^2 - 64n^2$

Classifier: The word "factorised" uses the AU/UK 's' spelling and needs to be converted to the US 'z' spelling ("factorized").

Verifier: The text contains "factorised", which is the AU/UK spelling. US spelling is "factorized".

mqn_01JTHXGFCWHCAFBNQV8V67NYDW Localize Spelling (AU-US)
Multiple Choice
Which of the following expressions can be factorised as $(6x - 7y)(6x + 7y)(36x^2 + 49y^2)$?
Options:
  • $1296x^4 - 2401y^4$
  • $1296x^2 - 343y^2$
  • $1296x^2 - 2401y^2$
  • $216x^2 - 343y^2$
Multiple Choice
Which of the following expressions can be factored as $(6x - 7y)(6x + 7y)(36x^2 + 49y^2)$?
Options:
  • $1296x^4 - 2401y^4$
  • $1296x^2 - 343y^2$
  • $1296x^2 - 2401y^2$
  • $216x^2 - 343y^2$

Classifier: The word "factorised" uses the AU/UK 's' spelling and needs to be converted to the US 'z' spelling ("factorized").

Verifier: The text contains "factorised", which is the AU/UK spelling. US spelling is "factorized".

mqn_01JTJJ9NP69ZH9SH38QKHKWSR2 Localize Terminology
Multiple Choice
At $5\%$ p.a. compound interest, an investment grows from $\$2000$ to $\$6000$ in $x$ years. At $8\%$ p.a., the same growth happens in $y$ years. Which is true about $x$ and $y$?
Options:
  • $y < \frac{x}{2}$
  • $x=y$
  • $y = 2x$
  • $y > \frac{x}{2}$
Multiple Choice
At $5\%$ APR compound interest, an investment grows from $\$2000$ to $\$6000$ in $x$ years. At $8\%$ APR, the same growth happens in $y$ years. Which is true about $x$ and $y$?
Options:
  • $y < \frac{x}{2}$
  • $x=y$
  • $y = 2x$
  • $y > \frac{x}{2}$

Classifier: Contains "p.a." (per annum), which is an AU/UK convention for interest rates that requires localization for US students.

Verifier: Contains "p.a." (per annum), which is an AU/UK convention for interest rates that requires localization for US students.

mqn_01JTJJ6HDNCZRNYKQTWAJSGYHT Localize Terminology
Multiple Choice
At $5\%$ p.a. compound interest, an investment grows from $\$2000$ to $\$6000$ in $x$ years. At $10\%$ p.a., the same growth happens in $y$ years. Which is true about $x$ and $y$?
Options:
  • $x=y$
  • $y < \frac{x}{2}$
  • $y > \frac{x}{2}$
  • $y = 2x$
Multiple Choice
At $5\%$ APR compound interest, an investment grows from $\$2000$ to $\$6000$ in $x$ years. At $10\%$ APR, the same growth happens in $y$ years. Which is true about $x$ and $y$?
Options:
  • $x=y$
  • $y < \frac{x}{2}$
  • $y > \frac{x}{2}$
  • $y = 2x$

Classifier: The text contains the abbreviation "p.a." (per annum), which is common in AU/UK contexts but typically replaced with "per year" or "annually" in US K-12 math. While the dollar sign is used, "p.a." is a distinct terminology marker.

Verifier: The abbreviation "p.a." (per annum) is a common AU/UK convention for interest rates and is rarely used in US K-12 mathematics, where "per year" or "annually" is preferred.

mqn_01JTHF4A2Q8PZH4XT49B7FWY4Y Localize Spelling (AU-US)
Multiple Choice
Write $x^2(x+y)^4 - \dfrac{1}{16}y^2(2x+2y)^4$ in factorised form.
Options:
  • $(x+y)^4(x-y)$
  • $(x+y)(x-y)^5$
  • $(x+y)^4(x-y)^2$
  • $(x+y)^5(x-y)$
Multiple Choice
Write $x^2(x+y)^4 - \dfrac{1}{16}y^2(2x+2y)^4$ in factored form.
Options:
  • $(x+y)^4(x-y)$
  • $(x+y)(x-y)^5$
  • $(x+y)^4(x-y)^2$
  • $(x+y)^5(x-y)$

Classifier: Contains the AU spelling "factorised". In the US, "factorized" is used.

Verifier: The text contains the AU spelling "factorised" (US: factorized).

mqn_01JTN7J518VDT6SNZBQ5G22DKR Localize Terminology
Multiple Choice
A line has gradient $m = \dfrac{2a}{3b}$ and passes through the point $\left(-\dfrac{3b}{2a},\ 0\right)$. Write its equation in general form in terms of $a$ and $b$.
Options:
  • $2ax - 3by + \dfrac{9b^2}{2a} = 0$
  • $4a^2x - 6aby + 6ab = 0$
  • $3bx + 2ay = 0$
  • $4a^2x + 6aby + 6ab = 0$
Multiple Choice
A line has slope $m = \dfrac{2a}{3b}$ and passes through the point $\left(-\dfrac{3b}{2a},\ 0\right)$. Write its equation in general form in terms of $a$ and $b$.
Options:
  • $2ax - 3by + \dfrac{9b^2}{2a} = 0$
  • $4a^2x - 6aby + 6ab = 0$
  • $3bx + 2ay = 0$
  • $4a^2x + 6aby + 6ab = 0$

Classifier: Contains the term "gradient", which is the AU/UK equivalent of the US "slope".

Verifier: The term "gradient" is used, which is a specific AU/UK terminology preference over the US "slope".

mqn_01JW8DRCEG131JXJD4875DJ40J Localize Spelling (AU-US)
Multiple Choice
Which of the following questions cannot be asked about an expression?
Options:
  • What is the simplified form?
  • What is the value when $x = 4$?
  • Can it be factorised?
  • What value of $x$ makes this true?
Multiple Choice
Which of the following questions cannot be asked about an expression?
Options:
  • What is the simplified form?
  • What is the value when $x = 4$?
  • Can it be factored?
  • What value of $x$ makes this true?

Classifier: The text contains the AU spelling "factorised", which requires conversion to the US spelling "factorized".

Verifier: The text contains the AU spelling "factorised" in the third answer choice, which requires localization to "factorized".

mqn_01JVSJ4SQHD0F1G31RQPM8AVNB Localize Units (simple)
Multiple Choice
There are $100$ centimetres in a metre. Convert $3.25$ metres to metres and centimetres.
Options:
  • $4$ metres and $50$ centimetres
  • $5$ metres and $5$ centimetres
  • $3$ metres and $25$ centimetres
  • $3$ metres and $50$ centimetres
Multiple Choice
There are $12$ inches in a foot. Convert $3.25$ feet to feet and inches.
Options:
  • $4$ feet and $6$ inches
  • $5$ feet and $5$ inches
  • $3$ feet and $3$ inches
  • $3$ feet and $6$ inches

Classifier: The text contains metric units (centimetres, metre) and AU-specific spelling (metres, centimetres). Per decision rule 6, units conversion takes precedence over spelling.

Verifier: The text contains metric units (metres, centimetres) and AU-specific spelling (metres). Per rule 5, units conversion takes precedence over spelling.

mqn_01JVY3T91YPFF64QM031MAJGQM Localize Spelling (AU-US)
Multiple Choice
Which of the following is least appropriate for a scatterplot? A) Exploring the relationship between heart rate and running speed B) Displaying the number of students enrolled in each subject C) Comparing temperature and ice cream sales D) Analysing hours of sleep and concentration levels
Options:
  • D
  • A
  • C
  • B
Multiple Choice
Which of the following is least appropriate for a scatterplot? A) Exploring the relationship between heart rate and running speed B) Displaying the number of students enrolled in each subject C) Comparing temperature and ice cream sales D) Analyzing hours of sleep and concentration levels
Options:
  • D
  • A
  • C
  • B

Classifier: Contains the AU spelling "Analysing", which needs to be converted to the US spelling "Analyzing".

Verifier: The text contains the AU spelling "Analysing" in option D, which requires localization to "Analyzing".

mqn_01JV3Q7GM7MTM38VA115M6SN6D Localize Terminology
Multiple Choice
A school excursion includes $112$ Year $10$, $86$ Year $9$, and $74$ Year $8$ students. Later, $38$ more Year $9$ students join the group. What is the ratio of Year $10$ students to the new total number of students?
Options:
  • $112:198$
  • $112:248$
  • $112:160$
  • $112:310$
Multiple Choice
A school field trip includes $112$ Grade $10$, $86$ Grade $9$, and $74$ Grade $8$ students. Later, $38$ more Grade $9$ students join the group. What is the ratio of Grade $10$ students to the new total number of students?
Options:
  • $112:198$
  • $112:248$
  • $112:160$
  • $112:310$

Classifier: The text uses "Year 10", "Year 9", and "Year 8" to refer to grade levels, which is standard Australian school terminology. In the US, these are referred to as "Grade 10", "Grade 9", and "Grade 8".

Verifier: The text uses "Year 10", "Year 9", and "Year 8" to refer to grade levels, which is specific to Australian/British school terminology. In the US, these are "Grade 10", etc.

mqn_01JWNQAYE862ZVA3DTEYYRWEB5 Localize Terminology
Multiple Choice
A line passes through points where the $y$-value decreases by $6$ for every increase of $3$ in the $x$-value. What word best describes the gradient of this line?
Options:
  • Positive
  • Unchanged
  • Negative
  • Constant
Multiple Choice
A line passes through points where the $y$-value decreases by $6$ for every increase of $3$ in the $x$-value. What word best describes the slope of this line?
Options:
  • Positive
  • Unchanged
  • Negative
  • Constant

Classifier: The term "gradient" is the standard AU/UK term for what is referred to as "slope" in US school mathematics.

Verifier: The term "gradient" is the standard AU/UK term for what is referred to as "slope" in US school mathematics, requiring localization for US audiences.

mqn_01JWNQCRYWX2Z2QENV4SNERYG2 Localize Terminology
Multiple Choice
A line passes through points where the $y$-value increases by $12$ every time the $x$-value increases by $4$. What word best describes the gradient of this line?
Options:
  • Negative
  • Unchnaged
  • Positive
  • Zero
Multiple Choice
A line passes through points where the $y$-value increases by $12$ every time the $x$-value increases by $4$. What word best describes the slope of this line?
Options:
  • Negative
  • Unchanged
  • Positive
  • Zero

Classifier: Uses the AU term "gradient" (US: slope). Also contains a typo "Unchnaged" in the answer set, though terminology is the primary classification driver.

Verifier: The term "gradient" is used, which is a specific school-context terminology difference (AU: gradient, US: slope).

mqn_01JWA4PDWZQWB04SADWPKJGWVQ Localize Units (simple)
Multiple Choice
A data set of $500$ student heights, in cm, is normally distributed. If each height is squared and then displayed in a histogram, how does the shape change?
Options:
  • Becomes left-skewed
  • Becomes bimodal
  • Remains symmetrical
  • Becomes right-skewed
Multiple Choice
A data set of $500$ student heights, in in, is normally distributed. If each height is squared and then displayed in a histogram, how does the shape change?
Options:
  • Becomes left-skewed
  • Becomes bimodal
  • Remains symmetrical
  • Becomes right-skewed

Classifier: The text contains the metric unit "cm" (centimetres), which requires conversion to US customary units (inches/feet) for a US audience.

Verifier: The text contains the metric unit "cm" (centimetres), which requires conversion to US customary units. The conversion is a simple numeric change in context.

mqn_01JX7Y7P3173FAVQRGJWYAMNC6 Localize Units (simple)
Multiple Choice
Two distances are $4.8$ km and $3200$ m. Write the ratio in kilometres, in simplest form.
Options:
  • $1:5$
  • $3:2$
  • $1:9$
  • $2:5$
Multiple Choice
Two distances are $4.8$ mi and $3200$ ft. Write the ratio in miles, in simplest form.
Options:
  • $1:5$
  • $3:2$
  • $1:9$
  • $2:5$

Classifier: The text contains metric units ("km", "m", "kilometres"). Per rule 6, units conversion takes precedence over spelling.

Verifier: The text contains metric units ("km", "m", "kilometres") and the AU spelling "kilometres". Per rule 5, units conversion takes precedence over spelling.

mqn_01JX7YG8F72XYRFWSEX54CK5MH Localize Units (simple)
Multiple Choice
A recipe uses $900$ g of flour and $2.7$ kg of sugar. Express the ratio in grams, in simplest form.
Options:
  • $2:5$
  • $5:7$
  • $3:4$
  • $1:3$
Multiple Choice
A recipe uses $900$ oz of flour and $2.7$ lb of sugar. Express the ratio in ounces, in simplest form.
Options:
  • $2:5$
  • $5:7$
  • $3:4$
  • $1:3$

Classifier: The text contains metric units ("g", "kg").

Verifier: The text contains metric units ("g", "kg"). Per rule 3, any metric unit requires at least RED.units_simple_conversion.

mqn_01JWA4J9JQH8NA9AYAJAV2C3RQ Localize Spelling (AU-US)
Multiple Choice
A data set of $200$ lap times is normally distributed with a mean of $130$ and standard deviation of $10$. If all values below $120$ are removed, which of the following best describes the new distribution? A) Symmetrical, centred at $130$ B) Right-skewed, peak near $130$ C) Left-skewed, peak near $120$ D) Uniform, spread evenly from $120$ to $150$
Options:
  • B
  • D
  • C
  • A
Multiple Choice
A data set of $200$ lap times is normally distributed with a mean of $130$ and standard deviation of $10$. If all values below $120$ are removed, which of the following best describes the new distribution? A) Symmetrical, centered at $130$ B) Right-skewed, peak near $130$ C) Left-skewed, peak near $120$ D) Uniform, spread evenly from $120$ to $150$
Options:
  • B
  • D
  • C
  • A

Classifier: The text contains the AU spelling "centred", which requires conversion to the US spelling "centered".

Verifier: The text contains the AU spelling "centred" in option A, which requires localization to "centered".

mqn_01JX7Y4FCJMJ18RXM4M42PNMHM Localize Units (simple)
Multiple Choice
A tank holds $3$ litres of oil and $750$ mL of water. Express their amounts as a ratio in litres, in simplest form.
Options:
  • $4:1$
  • $2:7$
  • $6:5$
  • $1:6$
Multiple Choice
A tank holds $3$ gallons of oil and $750$ fl oz of water. Express their amounts as a ratio in gallons, in simplest form.
Options:
  • $4:1$
  • $2:7$
  • $6:5$
  • $1:6$

Classifier: The text contains metric units ("litres", "mL") and the AU spelling "litres". Per rule 6, units conversion takes precedence over spelling.

Verifier: The text contains metric units ("litres", "mL") and the AU spelling "litres". Per rule 5, units conversion takes precedence over spelling.

mqn_01JWN0J4P0CPF4XH2R83NNRV1R Localize Units (simple)
Multiple Choice
A data set contains distances between $300$ km and $900$ km for $50$ trucks. If one additional value of $1600$ km is added, what will happen?
Options:
  • Mean increases more than median
  • Mean and median remain unchanged
  • Median increases more than mean
  • Both mean and median increase equally
Multiple Choice
A data set contains distances between $300$ mi and $900$ mi for $50$ trucks. If one additional value of $1600$ mi is added, what will happen?
Options:
  • Mean increases more than median
  • Mean and median remain unchanged
  • Median increases more than mean
  • Both mean and median increase equally

Classifier: The text contains the metric unit "km" (kilometres), which requires conversion to US customary units (miles) for a US audience.

Verifier: The text contains the metric unit "km" (kilometres) multiple times, which requires conversion to US customary units (miles). The conversion is a simple numeric change in a statistical context.

mqn_01JXCF5T09ST4JMSAM22GKMPJ2 Localize Units (simple)
Multiple Choice
True or false: Shape A has side lengths $4$ cm and $8$ cm. Shape B has side lengths $5$ cm and $8$ cm. Shape B could be a dilation of Shape A.
Options:
  • True
  • False
Multiple Choice
True or false: Shape A has side lengths $4$ in and $8$ in. Shape B has side lengths $5$ in and $8$ in. Shape B could be a dilation of Shape A.
Options:
  • True
  • False

Classifier: The text contains the metric unit "cm" multiple times, which requires conversion for US localization.

Verifier: The text contains the metric unit "cm", which requires conversion for US localization.

mqn_01JX7Y17S2EPQ096X5AB7GY9D9 Localize Units (simple)
Multiple Choice
The lengths of two ropes are given as $2.5$ m and $150$ cm Express their lengths as a ratio in metres, in simplest form.
Options:
  • $2:7$
  • $1:3$
  • $5:3$
  • $4:5$
Multiple Choice
The lengths of two ropes are given as $2.5$ ft and $150$ in Express their lengths as a ratio in feet, in simplest form.
Options:
  • $2:7$
  • $1:3$
  • $5:3$
  • $4:5$

Classifier: The text contains metric units ("m", "cm", "metres") and the AU spelling "metres". Per rule 6, units conversion takes precedence over spelling.

Verifier: The text contains metric units ("m", "cm", "metres") and the AU spelling "metres". Per rule 5, units conversion takes precedence over spelling.

mqn_01JXHWCEJG9Q0CAHCAXZEVF28F Localize Spelling (AU-US)
Multiple Choice
Which of the following is the correct factorisation of $a^2x^2 - (b + c)ax + bc$ using the cross method?
Options:
  • $(a^2x - b)(x - c)$
  • $(ax - b)(ax - c)$
  • $(ax - c)(x - b)$
  • $(x - b)(ax - c)$
Multiple Choice
Which of the following is the correct factoring of $a^2x^2 - (b + c)ax + bc$ using the cross method?
Options:
  • $(a^2x - b)(x - c)$
  • $(ax - b)(ax - c)$
  • $(ax - c)(x - b)$
  • $(x - b)(ax - c)$

Classifier: The text contains the AU spelling "factorisation", which requires conversion to the US spelling "factorization".

Verifier: The text contains "factorisation", which is the AU/British spelling. This requires localization to "factorization".

mqn_01JZMXRW5N75RDD5PJPD1JE1H7 Localize Spelling (AU-US)
Multiple Choice
What is the correct factorisation of $-6a^2bc + 3abc^2 - 9ab$ ?
Options:
  • $-3ab(2ac - c^2 + 3)$
  • $-3a(2bc + 3b - c^2)$
  • $-3abc(2a - c + 3)$
  • $-3ab(c^2 + 2c + 3)$
Multiple Choice
What is the correct factoring of $-6a^2bc + 3abc^2 - 9ab$ ?
Options:
  • $-3ab(2ac - c^2 + 3)$
  • $-3a(2bc + 3b - c^2)$
  • $-3abc(2a - c + 3)$
  • $-3ab(c^2 + 2c + 3)$

Classifier: Contains the AU spelling "factorisation", which needs to be converted to the US spelling "factorization".

Verifier: The text contains "factorisation", which is the AU/British spelling. US English uses "factorization".

mqn_01JXHW1BTVKEPVZ791SFC8XQ0M Localize Spelling (AU-US)
Multiple Choice
Using the cross method, factorise $21x^2 - 47x + 10$. What are the two binomial factors?
Options:
  • $(21x−5)(x−2)$
  • $(7x−2)(3x−5)$
  • $(7x−1)(3x−10)$
  • $(3x−2)(7x−5)$
Multiple Choice
Using the cross method, factor $21x^2 - 47x + 10$. What are the two binomial factors?
Options:
  • $(21x−5)(x−2)$
  • $(7x−2)(3x−5)$
  • $(7x−1)(3x−10)$
  • $(3x−2)(7x−5)$

Classifier: The text contains the AU spelling "factorise", which requires conversion to the US spelling "factorize". While "cross method" is a specific pedagogical term, it is used in various regions and the spelling change is the primary localization requirement here.

Verifier: The text contains "factorise", which is the AU/British spelling. This requires localization to "factorize".

mqn_01JXVBZG7STA73ZG835P4SMYPK Localize Units (simple)
Multiple Choice
A rectangle has a perimeter of $60$ m, and the length is $4$ metres less than twice the width. Which equation represents this situation?
Options:
  • $2w+2(w−4)=60$
  • $2w+2(2w−4)=60$
  • $w(2w−4)=60$
  • $w+(2w−4)=60$
Multiple Choice
A rectangle has a perimeter of $60$ ft, and the length is $4$ feet less than twice the width. Which equation represents this situation?
Options:
  • $2w+2(w−4)=60$
  • $2w+2(2w−4)=60$
  • $w(2w−4)=60$
  • $w+(2w−4)=60$

Classifier: The text contains metric units ("m" and "metres"). Per the decision rules, any metric unit found anywhere in the text requires classification into a units category. "metres" also constitutes an AU spelling.

Verifier: The text contains metric units ("m" and "metres"). "metres" is also an AU spelling. Per rule 3 and 5, this is correctly classified as units_simple_conversion.

mqn_01JX813WZ4DZER2GDXFJQ7R5BA Localize Units (simple)
Multiple Choice
Fill in the blank: Two triangles have side lengths of $8$, $12$, $16$ cm and $4$, $6$, $8$ cm. The triangles are similar by the $[?]$ similarity test.
Options:
  • SSS
  • AAA
  • ASA
  • SAS
Multiple Choice
Fill in the blank: Two triangles have side lengths of $8$, $12$, $16$ in and $4$, $6$, $8$ in. The triangles are similar by the $[?]$ similarity test.
Options:
  • SSS
  • AAA
  • ASA
  • SAS

Classifier: The text contains the metric unit "cm", which requires conversion to US customary units (e.g., inches) or a generic "units" label per localization policy.

Verifier: The text contains the metric unit "cm", which requires conversion to US customary units or generic units.

mqn_01JZMXW8YYMF4GH5Y6JXETHB7Z Localize Spelling (AU-US)
Multiple Choice
What is the correct factorisation of $-8x^3y^2z^2 + 12x^2yz^2 - 4x^2y^2z$ ?
Options:
  • $-4x^2yz(2xyz - 3z + y)$
  • $-2x^2yz(4xyz - 6z + 2y)$
  • $-4x^2yz^2(2xy - 3 + y)$
  • $-4x^2yz(2xy - 3z + y)$
Multiple Choice
What is the correct factoring of $-8x^3y^2z^2 + 12x^2yz^2 - 4x^2y^2z$ ?
Options:
  • $-4x^2yz(2xyz - 3z + y)$
  • $-2x^2yz(4xyz - 6z + 2y)$
  • $-4x^2yz^2(2xy - 3 + y)$
  • $-4x^2yz(2xy - 3z + y)$

Classifier: Contains the AU spelling "factorisation", which requires conversion to "factorization" for a US audience.

Verifier: The text contains "factorisation", which is the AU/British spelling. US English uses "factorization".

mqn_01JZMY0BRYQDBBXNV7GJNRXMJC Localize Spelling (AU-US)
Multiple Choice
What is the correct factorisation of $-9pqr + 3pq^2 - 6pq$ ?
Options:
  • $-3pq(3r - q + 2)$
  • $-3pqr(3 - q + 2)$
  • $-3pq(3r + q + 2)$
  • $-3pq(3r - 2q + 1)$
Multiple Choice
What is the correct factoring of $-9pqr + 3pq^2 - 6pq$ ?
Options:
  • $-3pq(3r - q + 2)$
  • $-3pqr(3 - q + 2)$
  • $-3pq(3r + q + 2)$
  • $-3pq(3r - 2q + 1)$

Classifier: Contains the AU spelling "factorisation".

Verifier: The text contains "factorisation", which is the AU/British spelling. US English uses "factorization".

mqn_01JZPQK1CN867TXZYAF1GT8ARD Localize Units (simple)
Multiple Choice
Mel buys $6$ kg of apples for $\$13.50$. What is the cost per kg?
Options:
  • $\$6$/g
  • $\$4.50$/kg
  • $\$2.25$/g
  • $\$2.25$/kg
Multiple Choice
Mel buys $6$ lbs of apples for $\$13.50$. What is the cost per lb?
Options:
  • $\$6$/oz
  • $\$4.50$/lb
  • $\$2.25$/oz
  • $\$2.25$/lb

Classifier: Contains metric units "kg" and "g". Any metric unit requires localization to US customary units.

Verifier: The text contains metric units "kg" and "g", which require conversion to US customary units (e.g., pounds/ounces).

mqn_01JZMY3F0NRPQ1XNRKJM30W5D9 Localize Spelling (AU-US)
Multiple Choice
What is the correct factorisation of $-12x^2y + 6xy^2 - 18x^2y^2$ ?
Options:
  • $-6x^2y(2 - y + 3y)$
  • $-6xy(2x - y + 3xy)$
  • $-6xy(2x + y - 3xy)$
  • $-6xy(2x + y + 3xy)$
Multiple Choice
What is the correct factoring of $-12x^2y + 6xy^2 - 18x^2y^2$ ?
Options:
  • $-6x^2y(2 - y + 3y)$
  • $-6xy(2x - y + 3xy)$
  • $-6xy(2x + y - 3xy)$
  • $-6xy(2x + y + 3xy)$

Classifier: Contains the AU spelling "factorisation".

Verifier: The text contains "factorisation", which is the AU/British spelling. US English uses "factorization".

mqn_01JZPQF5N8H5FC0Y7ZRD4DZR5Q Localize Units (simple)
Multiple Choice
A car travels $450$ metres in $3.6$ minutes. What is the distance per minute?
Options:
  • $150$ m/h
  • $125$ m/min
  • $80$ m/min
  • $1.25$ m/h
Multiple Choice
A car travels $450$ feet in $3.6$ minutes. What is the distance per minute?
Options:
  • $150$ ft/h
  • $125$ ft/min
  • $80$ ft/min
  • $1.25$ ft/h

Classifier: Contains the metric unit "metres" (both a metric unit and AU spelling) and abbreviations like "m/h" and "m/min". Units conversion takes precedence over spelling.

Verifier: The text contains the metric unit "metres" (which is also an AU spelling) and abbreviations "m/h" and "m/min". Metric units require conversion to US customary units.

mqn_01JZSQYJQJX7FB622EMW9N0GXK Localize Units (simple)
Multiple Choice
In a kite $ABCD$, sides $AB = AD = 8\text{ cm}$ and $BC = CD = 5\text{ cm}$. Which diagonal will be bisected?
Options:
  • BD
  • Both diagonals
  • Neither diagonal
  • AC
Multiple Choice
In a kite $ABCD$, sides $AB = AD = 8\text{ in}$ and $BC = CD = 5\text{ in}$. Which diagonal will be bisected?
Options:
  • BD
  • Both diagonals
  • Neither diagonal
  • AC

Classifier: The text contains the metric unit "cm", which requires localization to US customary units.

Verifier: The text contains the metric unit "cm", which requires localization. It is a simple conversion as it involves basic side lengths.

mqn_01JZVW85TVAVHPW4FX4DX14F3X Localize Units (simple)
Multiple Choice
What is the best unit to measure the volume of an eyelash?
Options:
  • mm$^3$
  • km$^3$
  • m$^3$
  • cm$^3$
Multiple Choice
What is the best unit to measure the volume of an eyelash?
Options:
  • in$^3$
  • mi$^3$
  • ft$^3$
  • in$^3$

Classifier: The question and answer set are entirely based on metric units (mm, km, m, cm), which requires localization for a US audience.

Verifier: The question and answer set rely entirely on metric units (mm, km, m, cm), requiring localization to US customary units.

mqn_01JZPXCE6CB1N09PYM5W219K8A Localize Units (simple)
Multiple Choice
A car uses $41.6$ litres of fuel over $347.2$ km. How much distance can be covered per litre of fuel?
Options:
  • $41.6$ L/km
  • $347.2$ km/L
  • $8.34$ L/km
  • $8.34$ km/L
Multiple Choice
A car uses $41.6$ gallons of gas over $347.2$ miles. How much distance can be covered per gallon of gas?
Options:
  • $41.6$ gal/mi
  • $347.2$ mi/gal
  • $8.34$ gal/mi
  • $8.34$ mi/gal

Classifier: Contains multiple metric units ("litres", "km", "L") and AU spelling ("litres"). Units conversion is the highest priority.

Verifier: The text contains metric units "litres" (AU spelling), "km", and "L". These require conversion to US customary units (gallons/miles).

mqn_01K071MVB852YJ2JZEX5M4BMBD Localize Answer set
Multiple Choice
True or false: If a trapezium has equal-length diagonals and one line of symmetry, it must be isosceles.
Options:
  • True
  • False
Multiple Choice
True or false: If a trapezoid has equal-length diagonals and one line of symmetry, it must be isosceles.
Options:
  • True
  • False

Classifier: The term "trapezium" is used, which requires localization to "trapezoid" for the US market.

Verifier: The term "trapezium" is used, which requires localization to "trapezoid" for the US market.

mqn_01JZWF0NRSGK8M5E12M77HJRXQ Localize Units (simple)
Multiple Choice
Which holds more water: a $19$ L cooler or $30$ bottles of $750$ mL each?
Options:
  • The bottles
  • The cooler
Multiple Choice
Which holds more water: a $19$ gal cooler or $30$ bottles of $750$ fl oz each?
Options:
  • The bottles
  • The cooler

Classifier: The text contains metric units "L" and "mL", which require localization.

Verifier: The text contains metric units "L" and "mL", which require localization.

mqn_01K08R3WZ1S9X30QHWSR9H2JPE Localize Spelling (AU-US)
Multiple Choice
A rectangle is rotated about its centre. Which of the following properties remain unchanged?
Options:
  • Side lengths
  • Area
  • Diagonal lengths
  • All of the above
Multiple Choice
A rectangle is rotated about its center.
Options:
  • Side lengths
  • Area
  • Diagonal lengths
  • All of the above

Classifier: Contains the AU spelling "centre", which requires conversion to the US spelling "center".

Verifier: Contains the AU spelling "centre", which requires conversion to the US spelling "center".

mqn_01JZWGTA5JPWMCP95C86799AGC Localize Units (simple)
Multiple Choice
Which option has the greater total capacity? A: $10$ test tubes of $75$ mL and $1$ large measuring cup of $2.5$ L B: $4$ jugs of $200$ mL and $5$ cups of $250$ mL
Options:
  • B
  • A
Multiple Choice
Which option has the greater total capacity? A: $10$ test tubes of $75$ fl oz and $1$ large measuring cup of $2.5$ gal B: $4$ jugs of $200$ fl oz and $5$ cups of $250$ fl oz
Options:
  • B
  • A

Classifier: The text contains metric units "mL" and "L", which require localization.

Verifier: The text contains metric units "mL" and "L", which require localization.

mqn_01K05WKKGEN5SPH6SS6J6AFZ4V Review Policy
Multiple Choice
Which of these is measured in months?
Options:
  • Watching a movie
  • Brushing teeth
  • Taking a shower
  • A school term
Multiple Choice
Which of these is measured in months?
Options:
  • Watching a movie
  • Brushing teeth
  • Taking a shower
  • A school semester

Classifier: The term "school term" is used. In the US, this is typically referred to as a "semester" or "quarter" depending on the specific school's policy/system. This requires a policy decision on the preferred US equivalent.

Verifier: The term "school term" is a specific educational structure term that maps to "semester" or "quarter" in the US, fitting the specific GRAY category for this policy ambiguity.

mqn_01K05ZHGE22M3HFNXDQZB6TSCX Localize Terminology
Multiple Choice
Which of these cannot be measured in years?
Options:
  • A tree growing to full height
  • Time spent at primary school
  • A person's age
  • Drinking a glass of water
Multiple Choice
Which of these cannot be measured in years?
Options:
  • A tree growing to full height
  • Time spent at elementary school
  • A person's age
  • Drinking a glass of water

Classifier: The term "primary school" is used, which in the US is typically "elementary school".

Verifier: The term "primary school" is used in the answer options, which requires localization to "elementary school" for a US audience.

mqn_01K05ZR88R69K04PBP9J5C2T59 Localize Spelling (AU-US)
Multiple Choice
Which activity cannot be measured in weeks?
Options:
  • School holidays
  • Cleaning a desk
  • Practising for a concert
  • Learning to ride a bike
Multiple Choice
Which activity cannot be measured in weeks?
Options:
  • School vacations
  • Cleaning a desk
  • Practicing for a concert
  • Learning to ride a bike

Classifier: The word "Practising" is the AU/UK spelling of the verb. In US English, "practicing" is used for both the noun and the verb.

Verifier: The word "Practising" is the AU/UK spelling for the verb form. In US English, "practicing" is used for both noun and verb.

mqn_01JZWGZB184EM8RMD8YSP59P4H Localize Units (simple)
Multiple Choice
Which option has the greater total capacity? A: $3$ large cans of $1.5$ L and $6$ glass cups of $200$ mL B: $2$ containers of $2$ L and $5$ baby bottles of $180$ mL
Options:
  • B
  • A
Multiple Choice
Which option has the greater total capacity? A: $3$ large cans of $1.5$ gal and $6$ glass cups of $200$ fl oz B: $2$ containers of $2$ gal and $5$ baby bottles of $180$ fl oz
Options:
  • B
  • A

Classifier: The text contains multiple metric units (L and mL) which require conversion to US customary units.

Verifier: The text contains metric units "L" (litres) and "mL" (millilitres) which require conversion to US customary units (e.g., gallons, quarts, or fluid ounces). The math is a simple comparison of total volumes, making it a simple conversion.

mqn_01K06TG7R144AHCAE336KY3Q7X Localize Answer set
Multiple Choice
True or false: If a quadrilateral has exactly one pair of parallel sides, then it is a trapezium.
Options:
  • False
  • True
Multiple Choice
True or false: If a quadrilateral has exactly one pair of parallel sides, then it is a trapezoid.
Options:
  • False
  • True

Classifier: The text uses the term "trapezium", which requires localization to "trapezoid" in the US.

Verifier: The term "trapezium" is used in the question, which requires localization to "trapezoid" for US English.

mqn_01K08WY9T03SSB6Q9D75TKVB4F Localize Terminology
Multiple Choice
Which change in compounding would triple the interest rate per period, assuming the annual interest rate stays the same?
Options:
  • From weekly to fortnightly
  • From monthly to half-yearly
  • From monthly to yearly
  • From monthly to quarterly
Multiple Choice
Which change in compounding would triple the interest rate per period, assuming the annual interest rate stays the same?
Options:
  • From weekly to every two weeks
  • From monthly to semi-annually
  • From monthly to annually
  • From monthly to quarterly

Classifier: Contains the term "fortnightly", which is a distinct AU/UK term. In a US school context, this is typically replaced with "every two weeks" or "bi-weekly".

Verifier: Contains the term "fortnightly", which is a distinct AU/UK term. In a US school context, this is typically replaced with "every two weeks" or "bi-weekly".

mqn_01K06T9XMJSVK8N6YJCPARZEBE Localize Answer set
Multiple Choice
Which of the following statements is always true? A) All kites are rhombuses B) All rhombuses are kites C) All trapeziums are parallelograms D) All parallelograms are kites
Options:
  • C
  • B
  • D
  • A
Multiple Choice
Which of the following statements is always true? A) All kites are rhombuses B) All rhombuses are kites C) All trapezoids are parallelograms D) All parallelograms are kites
Options:
  • C
  • B
  • D
  • A

Classifier: The text contains the term "trapeziums", which must be localized to "trapezoids" for a US audience.

Verifier: The text contains "trapeziums", which is the AU/UK term for the US "trapezoids".

mqn_01K06T455CQQF4XPJWFJAYYNZM Localize Answer set
Multiple Choice
Which of the following quadrilaterals must have perpendicular diagonals?
Options:
  • Trapezium
  • Parallelogram
  • Rectangle
  • Rhombus
Multiple Choice
Which of the following quadrilaterals must have perpendicular diagonals?
Options:
  • Trapezoid
  • Parallelogram
  • Rectangle
  • Rhombus

Classifier: The term "Trapezium" is used in the answer set, which requires localization to "Trapezoid" for a US audience.

Verifier: The term "Trapezium" requires localization to "Trapezoid" for a US audience.

mqn_01K03JZBMD33N0BEDC4DZWEAA3 Localize Answer set
Multiple Choice
Which of the following best describes a trapezium? A) A shape with all sides equal B) A quadrilateral with no parallel sides C) A quadrilateral with one pair of parallel sides D) A triangle with one long base
Options:
  • D
  • C
  • B
  • A
Multiple Choice
Which of the following best describes a trapezoid? A) A shape with all sides equal B) A quadrilateral with no parallel sides C) A quadrilateral with one pair of parallel sides D) A triangle with one long base
Options:
  • D
  • C
  • B
  • A

Classifier: The term "trapezium" in AU/UK refers to a quadrilateral with one pair of parallel sides, which is called a "trapezoid" in the US. This requires localization of the term in both the question and the answer logic.

Verifier: The term "trapezium" is used in AU/UK to describe a quadrilateral with one pair of parallel sides. In the US, this shape is called a "trapezoid". Because the question asks for the definition of the term itself, it requires localization to ensure the term and the logic (Option C) remain correct for a US audience.

mqn_01K06T05FY1JJCEJ283HAB5CRN Localize Answer set
Multiple Choice
Which shape always has exactly one pair of parallel sides?
Options:
  • Rhombus
  • Square
  • Parallelogram
  • Trapezium
Multiple Choice
Which shape always has exactly one pair of parallel sides?
Options:
  • Rhombus
  • Square
  • Parallelogram
  • Trapezoid

Classifier: The term "Trapezium" in AU/UK refers to a quadrilateral with exactly one pair of parallel sides. In the US, this shape is called a "Trapezoid".

Verifier: The term "Trapezium" is used in the AU context to describe a quadrilateral with one pair of parallel sides; in the US, this is called a "Trapezoid".

mqn_01K03WMXH0PGQR8QJ0HXPN2K0Z Localize Units (simple)
Multiple Choice
On a map, the scale is $1$ cm = $2$ km. What is the length on the map for a distance of $10$ km?
Options:
  • $8$ cm
  • $10$ cm
  • $5$ cm
  • $1$ cm
Multiple Choice
On a map, the scale is $1$ in = $2$ mi. What is the length on the map for a distance of $10$ mi?
Options:
  • $8$ in
  • $10$ in
  • $5$ in
  • $1$ in

Classifier: The text contains metric units "cm" and "km" which require conversion to US customary units (inches/miles) for a US audience.

Verifier: The question uses metric units "cm" and "km" in a simple scale context. Conversion to inches/miles is required for US localization.

mqn_01K06T8481XA7FBRCPBT0NK0J0 Localize Answer set
Multiple Choice
Which of the following quadrilaterals must have opposite angles equal?
Options:
  • Trapezium
  • Kite
  • Rhombus
  • Arrowhead
Multiple Choice
Which of the following quadrilaterals must have opposite angles equal?
Options:
  • Trapezoid
  • Kite
  • Rhombus
  • Dart

Classifier: The answer set contains the term "Trapezium", which in the US is "Trapezoid". Additionally, "Arrowhead" is a common AU/UK term for a concave kite (often just called a "concave kite" or "dart" in US geometry).

Verifier: The answer choices include "Trapezium" (US: Trapezoid) and "Arrowhead" (US: Concave kite or Dart), which are regional geometric terms requiring localization.

mqn_01K071JQ2MWVT50FA6ZS5X93AW Localize Answer set
Multiple Choice
Which of these must be true for an isosceles trapezium? A) All angles are equal B) Non-parallel sides are equal C) Diagonals are perpendicular D) All sides are equal
Options:
  • B
  • A
  • C
  • D
Multiple Choice
Which of these must be true for an isosceles trapezoid? A) All angles are equal B) Non-parallel sides are equal C) Diagonals are perpendicular D) All sides are equal
Options:
  • B
  • A
  • C
  • D

Classifier: The term "isosceles trapezium" is used, which in the US is referred to as an "isosceles trapezoid".

Verifier: The term "isosceles trapezium" is used, which is "isosceles trapezoid" in US English.

mqn_01K042ATQGVAAW64BQQSDP7T7G Localize Units (simple)
Multiple Choice
Kai is drawing a $200$ km long highway on a map. He needs it to fit within $20$ cm of space. Which scale works best?
Options:
  • $1$ cm = $5$ km
  • $1$ cm = $10$ km
  • $1$ cm = $20$ km
  • $1$ cm = $15$ km
Multiple Choice
Kai is drawing a $200$ mi long highway on a map. He needs it to fit within $20$ in of space. Which scale works best?
Options:
  • $1$ in = $5$ mi
  • $1$ in = $10$ mi
  • $1$ in = $20$ mi
  • $1$ in = $15$ mi

Classifier: The text contains metric units "km" and "cm" which require conversion.

Verifier: The question uses metric units "cm" and "km" for map scale calculations.

mqn_01K09HFKTH6RWDY16B27SBTP7F Localize Units (simple)
Multiple Choice
Which of the following sets of side lengths could represent the sides of a square? A) $4$ cm, $4$ cm, $4$ cm, $6$ cm B) $6$ cm, $6$ cm, $6$ cm, $6$ cm C) $5$ cm, $5$ cm, $10$ cm, $10$ cm D) $3$ cm, $3$ cm, $4$ cm, $4$ cm
Options:
  • D
  • C
  • B
  • A
Multiple Choice
Which of the following sets of side lengths could represent the sides of a square? A) $4$ in, $4$ in, $4$ in, $6$ in B) $6$ in, $6$ in, $6$ in, $6$ in C) $5$ in, $5$ in, $10$ in, $10$ in D) $3$ in, $3$ in, $4$ in, $4$ in
Options:
  • D
  • C
  • B
  • A

Classifier: The text contains the metric unit "cm" multiple times, which requires conversion for US localization.

Verifier: The text contains the metric unit "cm" multiple times, which requires conversion for US localization.

mqn_01K071PT57TNXSKD6SQS0ZV8SZ Localize Answer set
Multiple Choice
Which of the following cannot be a trapezium? A) A shape with two right angles B) A shape with both pairs of opposite sides parallel C) A shape with exactly one line of symmetry D) A shape with non-equal diagonals
Options:
  • D
  • B
  • A
  • C
Multiple Choice
Which of the following cannot be a trapezoid? A) A shape with two right angles B) A shape with both pairs of opposite sides parallel C) A shape with exactly one line of symmetry D) A shape with non-equal diagonals
Options:
  • D
  • B
  • A
  • C

Classifier: The term "trapezium" is used in the question stem, which maps to "trapezoid" in US English.

Verifier: The term "trapezium" is used in the question stem, which maps to "trapezoid" in US English.

mqn_01K2Q2ASH5E3Y47SBTDX5MFA7R Localize Units (simple)
Multiple Choice
True or false: $4$ km $ +\,\,\,500$ m $+\,\,\,2500$ cm $=\,\,\,4550$ m
Options:
  • True
  • False
Multiple Choice
True or false: $4$ mi $ +\,\,\,500$ ft $+\,\,\,2500$ in $=\,\,\,4550$ ft
Options:
  • True
  • False

Classifier: Contains multiple metric units (km, m, cm) which require conversion for US localization.

Verifier: The question contains metric units (km, m, cm) which require conversion to US customary units.

mqn_01K1FXPMND0TV2F1JW07F21N7B Localize Spelling (AU-US)
Multiple Choice
Which sentence shows subtraction?
Options:
  • Isla placed books into the bag
  • Leo filled the glass with juice
  • Emily sorted the pencils by colour
  • Oscar spilled some water from the jug
Multiple Choice
Which sentence shows subtraction?
Options:
  • Isla placed books into the bag
  • Leo filled the glass with juice
  • Emily sorted the pencils by color
  • Oscar spilled some water from the pitcher

Classifier: The text contains the Australian spelling "colour", which requires localization to the US spelling "color".

Verifier: The text contains the word "colour", which is the Australian/British spelling. This requires localization to "color" for a US context.

mqn_01K2Q2H5HHC2AEXN842MBPS1WT Localize Units (simple)
Multiple Choice
True or false: $1$ km $ +\,\,\,800$ m $+\,\,\,5000$ cm $=\,\,\,1850$ m
Options:
  • True
  • False
Multiple Choice
True or false: $1$ mi $ +\,\,\,800$ ft $+\,\,\,5000$ in $=\,\,\,1850$ ft
Options:
  • True
  • False

Classifier: Contains metric units (km, m, cm) requiring conversion to US customary units.

Verifier: The question contains metric units (km, m, cm) which require conversion to US customary units.

mqn_01K2Q2F0GMX9NT24ZX0CK380XY Localize Units (simple)
Multiple Choice
True or false: $2$ km $ +\,\,\,1500$ m $+\,\,\,300$ cm $=\,\,\,3503$ m
Options:
  • False
  • True
Multiple Choice
True or false: $2$ mi $ +\,\,\,1500$ ft $+\,\,\,300$ in $=\,\,\,3503$ ft
Options:
  • False
  • True

Classifier: Contains metric units (km, m, cm) used in a mathematical equality check.

Verifier: The question contains metric units (km, m, cm) which require conversion to US customary units.

mqn_01K4QFF5JX5YD0ZQN7KDR8CDAR Localize Units (simple)
Multiple Choice
True or false: A delivery service charges a $\$10$ delivery fee plus $\$2$ per kilometre travelled, but caps the maximum fee at $\$50$. The graph of cost $C$ against distance $d$ is a straight line rising from $(0,10)$ to $(20,50)$, and then continues rising beyond this point.
Options:
  • True
  • False
Multiple Choice
True or false: A delivery service charges a $\$10$ delivery fee plus $\$2$ per mile traveled, but caps the maximum fee at $\$50$. The graph of cost $C$ against distance $d$ is a straight line rising from $(0,10)$ to $(20,50)$, and then continues rising beyond this point.
Options:
  • True
  • False

Classifier: Contains the metric unit "kilometre" and the AU spelling "kilometre" (vs US "kilometer"). Per rule 1 and 5, any metric unit requires conversion.

Verifier: The text contains the metric unit "kilometre" and the AU spelling "kilometre". Per the decision rules, any metric unit requires at least RED.units_simple_conversion.

mqn_01K6YJYPB1JW0WHKZ4ERSX2HXS Localize Spelling (AU-US)
Multiple Choice
Fill in the blank: $(x - 1)(x - 2)(x - 3)(x - 4) = 0$ is a quartic equation in $[ ? ]$ form.
Options:
  • Factorised
  • Standard
Multiple Choice
Fill in the blank: $(x - 1)(x - 2)(x - 3)(x - 4) = 0$ is a quartic equation in $[ ? ]$ form.
Options:
  • Factored
  • Standard

Classifier: The answer choice "Factorised" uses the Australian 's' spelling; the US equivalent is "Factorized".

Verifier: The answer choice "Factorised" uses the Australian/British 's' spelling. The US equivalent is "Factorized".

mqn_01K6VSDDMNNZP9YHTHTR0HWWP4 Localize Spelling (AU-US)
Multiple Choice
Using the cross method, factorise $15x^2−11x−4$. What are the two binomial factors?
Options:
  • $(5x + 1)(3x - 4)$
  • $(15x + 4)(x - 1)$
  • $(3x + 1)(5x - 4)$
  • $(5x - 1)(3x + 4)$
Multiple Choice
Using the cross method, factor $15x^2−11x−4$. What are the two binomial factors?
Options:
  • $(5x + 1)(3x - 4)$
  • $(15x + 4)(x - 1)$
  • $(3x + 1)(5x - 4)$
  • $(5x - 1)(3x + 4)$

Classifier: Contains the AU spelling "factorise".

Verifier: The text contains the AU/British spelling "factorise" (US: "factor").

mqn_01K6VTWW77HTBVX3RYCMD050S2 Localize Spelling (AU-US)
Multiple Choice
Using the cross method, factorise $8x^2−22x+15$. What are the two binomial factors?
Options:
  • $(2x - 5)(4x - 3)$
  • $(2x - 3)(4x - 5)$
  • $(8x - 3)(x - 5)$
  • $(4x - 3)(2x - 5)$
Multiple Choice
Using the cross method, factor $8x^2−22x+15$. What are the two binomial factors?
Options:
  • $(2x - 5)(4x - 3)$
  • $(2x - 3)(4x - 5)$
  • $(8x - 3)(x - 5)$
  • $(4x - 3)(2x - 5)$

Classifier: Contains the AU spelling "factorise".

Verifier: The text contains the AU/British spelling "factorise" (US: "factor").

mqn_01K6W2TNA82SGPJQRX0PG4VBBQ Localize Units (simple)
Multiple Choice
A rectangle has a length that is $4$ m more than its width. If the area is $77$ m$^2$, which equation represents this situation?
Options:
  • $x(x + 4) = 77$
  • $x(x - 4) = 77$
  • $(x + 4)^2 = 77$
  • $(x - 4)^2 = 77$
Multiple Choice
A rectangle has a length that is $4$ ft more than its width. If the area is $77$ ft$^2$, which equation represents this situation?
Options:
  • $x(x + 4) = 77$
  • $x(x - 4) = 77$
  • $(x + 4)^2 = 77$
  • $(x - 4)^2 = 77$

Classifier: Contains metric units "m" (metres) and "m^2" (square metres) which require conversion to US customary units.

Verifier: The text contains metric units "m" (metres) and "m^2" (square metres) which require conversion to US customary units.

mqn_01K7366AK0GKW67SX0C8PF80C2 Localize Terminology
Multiple Choice
Which of the following is not a cubic equation in point inflection form?
Options:
  • $-6 - 3(x-2)^3 = 0$
  • $5(\frac{1}{x-5})^3 -4 = 0$
  • $-4 + 7x^3 = 0$
  • $-4(x-5)^3 + 9 = 0$
Multiple Choice
Which of the following is not a cubic equation in inflection point form?
Options:
  • $-6 - 3(x-2)^3 = 0$
  • $5(\frac{1}{x-5})^3 -4 = 0$
  • $-4 + 7x^3 = 0$
  • $-4(x-5)^3 + 9 = 0$

Classifier: Uses "point inflection form", which is an AU-specific pedagogical term for cubic equations.

Verifier: The term "point inflection form" is specific to the Australian mathematics curriculum for cubic equations.

mqn_01K735YNGRRPZR2SDPFDPNKP7E Localize Terminology
Multiple Choice
Which of the following is a cubic equation written in point inflection form?
Options:
  • $-3(x + 2)^3 + 7 =0$
  • $2x^3 - 12x^2 + 18x - 5=0$
  • $-3(\frac{x + 2}{x+2})^3 + 7 =0$
  • $(x - 1)^3 + (x - 1)^2 =0$
Multiple Choice
Which of the following is a cubic equation written in inflection point form?
Options:
  • $-3(x + 2)^3 + 7 =0$
  • $2x^3 - 12x^2 + 18x - 5=0$
  • $-3(\frac{x + 2}{x+2})^3 + 7 =0$
  • $(x - 1)^3 + (x - 1)^2 =0$

Classifier: The term "point inflection form" (or "point of inflection form") is the standard Australian curriculum term for what is typically called "vertex form" or "standard form" for cubics in the US.

Verifier: The term "point inflection form" is a specific pedagogical term used in the Australian curriculum for the vertex form of a cubic function. In the US, this is typically referred to as "vertex form" or "standard form".

mqn_01K736FA5W6TC1SW7KJH99NFX6 Localize Terminology
Multiple Choice
A cubic equation is written in point of inflection form as $a(x - h)^3 + k = 0$. Which of the following must be true?
Options:
  • $a = 0$
  • $h \ne k$
  • $a \ne 0$
  • $h = k$
Multiple Choice
A cubic equation is written in inflection point form as $a(x - h)^3 + k = 0$. Which of the following must be true?
Options:
  • $a = 0$
  • $h \ne k$
  • $a \ne 0$
  • $h = k$

Classifier: Uses "point of inflection form", which is the AU-specific terminology for the vertex form of a cubic.

Verifier: The term "point of inflection form" is the standard Australian curriculum terminology for the vertex form of a cubic equation.

mqn_01KG263ZW9M87EV2HAQSGDGT40 Localize Spelling (AU-US)
Multiple Choice
Why does a sphere roll in a straight line when pushed on a flat surface?
Options:
  • The sphere has edges and corners
  • The curved surface is uneven
  • The surface is the same distance from the centre at all points
  • The base is larger than the top
Multiple Choice
Why does a sphere roll in a straight line when pushed on a flat surface?
Options:
  • The sphere has edges and corners
  • The curved surface is uneven
  • The surface is the same distance from the center at all points
  • The base is larger than the top

Classifier: Contains the AU spelling "centre", which needs to be converted to "center".

Verifier: Contains the AU spelling "centre" in the third answer choice, which requires localization to "center".

mqn_01K6VSVWQKX5S0PPRW84KSD8MG Localize Spelling (AU-US)
Multiple Choice
Using the cross method, factorise $6x^2-\frac{19}{2}x+\frac{5}{2}$. What are the two binomial factors?
Options:
  • $\tfrac{1}{2}\left(3x - 1\right)\left(4x - 5\right)$
  • $\left(3x - 1\right)\left(2x - \tfrac{5}{2}\right)$
  • $\left(3x - \tfrac{5}{2}\right)\left(2x - \tfrac{2}{3}\right)$
  • $\left(3x - \tfrac{3}{2}\right)\left(2x - \tfrac{5}{2}\right)$
Multiple Choice
Using the cross method, factor $6x^2-\frac{19}{2}x+\frac{5}{2}$. What are the two binomial factors?
Options:
  • $\tfrac{1}{2}\left(3x - 1\right)\left(4x - 5\right)$
  • $\left(3x - 1\right)\left(2x - \tfrac{5}{2}\right)$
  • $\left(3x - \tfrac{5}{2}\right)\left(2x - \tfrac{2}{3}\right)$
  • $\left(3x - \tfrac{3}{2}\right)\left(2x - \tfrac{5}{2}\right)$

Classifier: Contains the AU spelling "factorise".

Verifier: The text contains the AU/British spelling "factorise" (US: "factor").

mqn_01K6VT4RH924YQDJF796NAZT3X Localize Spelling (AU-US)
Multiple Choice
Using the cross method, factorise $4x^2−\frac{11}{3}​x+\frac{5}{6}​$. What are the two binomial factors?
Options:
  • $\left(2x - \frac{5}{6}\right)\left(2x - 1\right)$
  • $\left(4x - \frac{5}{3}\right)\left(x - \frac{1}{2}\right)$
  • $\frac{1}{2}\left(3x - \frac{5}{2}\right)\left(4x - 1\right)$
  • $\frac{1}{6}(2x - 1) (12x-5)$
Multiple Choice
Using the cross method, factor $4x^2−\frac{11}{3}​x+\frac{5}{6}​$. What are the two binomial factors?
Options:
  • $\left(2x - \frac{5}{6}\right)\left(2x - 1\right)$
  • $\left(4x - \frac{5}{3}\right)\left(x - \frac{1}{2}\right)$
  • $\frac{1}{2}\left(3x - \frac{5}{2}\right)\left(4x - 1\right)$
  • $\frac{1}{6}(2x - 1) (12x-5)$

Classifier: Contains the AU spelling "factorise".

Verifier: The text contains the AU/British spelling "factorise" (US: "factor").

mqn_01K87AF5VW76CKNQSR0Y5BRZAZ Localize Units (simple)
Multiple Choice
A water tank holds $60$ litres. Each bottle can hold $1.5$ litres. Which two expressions both show how many bottles can be completely filled with the water left after filling $x$ bottles?
Options:
  • $60 - 1.5x$ and $3(20 - x)$
  • $60 - 1.5x$ and $1.5(60 - 0.5x)$
  • $60 - 1.5x$ and $0.5(20 - 3x)$
  • $60 - 1.5x$ and $1.5(40 - x)$
Multiple Choice
A water tank holds $60$ gallons. Each bottle can hold $1.5$ gallons. Which two expressions both show how many bottles can be completely filled with the water left after filling $x$ bottles?
Options:
  • $60 - 1.5x$ and $3(20 - x)$
  • $60 - 1.5x$ and $1.5(60 - 0.5x)$
  • $60 - 1.5x$ and $0.5(20 - 3x)$
  • $60 - 1.5x$ and $1.5(40 - x)$

Classifier: The text contains the metric unit "litres", which requires both spelling localization (to "liters") and unit conversion to US customary units (e.g., gallons or quarts) per localization standards. Units take precedence over spelling.

Verifier: The text contains the metric unit "litres", which requires both spelling localization and unit conversion to US customary units.

mqn_01K8QP64MEP953NYHKRAAD2MWR Localize Terminology
Multiple Choice
The equation of a line is $(2p−1)x+(3q+4)y=6$, where $p\neq\frac{1}{2}$ and $q\neq\frac{-4}{3}$. A second line is perpendicular to this one. What is the gradient of the second line in terms of $p$ and $q$ ?
Options:
  • $\frac{2p−1}{−3q+4}​$
  • $\frac{−3q+4}{2p−1}​$
  • $\frac{3q+4}{2p−1}​$
  • $-\frac{3q+4}{2p+1}​$
Multiple Choice
The equation of a line is $(2p−1)x+(3q+4)y=6$, where $p\neq\frac{1}{2}$ and $q\neq\frac{-4}{3}$. A second line is perpendicular to this one. What is the slope of the second line in terms of $p$ and $q$ ?
Options:
  • $\frac{2p−1}{−3q+4}​$
  • $\frac{−3q+4}{2p−1}​$
  • $\frac{3q+4}{2p−1}​$
  • $-\frac{3q+4}{2p+1}​$

Classifier: The text uses the term "gradient", which is the standard AU/UK term for what is referred to as "slope" in US school mathematics.

Verifier: The text uses "gradient", which is the standard AU/UK term for "slope" in US school mathematics.

mqn_01K87AYZP8S236ECGT2G7BTFMR Localize Units (simple)
Multiple Choice
A delivery company charges a flat fee of $\$15$ plus $\$5$ for every kilometre travelled. If a $10\%$ discount is given on the total cost, which two expressions both represent the final amount to pay for $x$ kilometres?
Options:
  • $15 + 0.9(5x)$ and $15 + 4.5x$
  • $15 - 0.1(5x)$ and $14.5x$
  • $(15 + 5x) + 0.1(15 + 5x)$ and $1.1(15 + 5x)$
  • $(15 + 5x) - 0.1(15 + 5x)$ and $0.9(15 + 5x)$
Multiple Choice
A delivery company charges a flat fee of $\$15$ plus $\$5$ for every mile traveled. If a $10\%$ discount is given on the total cost, which two expressions both represent the final amount to pay for $x$ miles?
Options:
  • $15 + 0.9(5x)$ and $15 + 4.5x$
  • $15 - 0.1(5x)$ and $14.5x$
  • $(15 + 5x) + 0.1(15 + 5x)$ and $1.1(15 + 5x)$
  • $(15 + 5x) - 0.1(15 + 5x)$ and $0.9(15 + 5x)$

Classifier: The text contains the metric unit "kilometre" (and "kilometres"), which requires localization to US customary units (miles) or at least a spelling change to "kilometer" per the decision rules where any metric unit triggers a RED category.

Verifier: The text contains the metric unit "kilometre" (AU spelling) and "kilometres". Per rule 3, any metric unit requires at least RED.units_simple_conversion. Since the conversion is a straightforward replacement of the unit/variable context without complex re-derivation of formulas, simple conversion is appropriate.

mqn_01K9BY9PTY4AYRBSWKN05HFJ2F Localize Spelling (AU-US)
Multiple Choice
Using $A = 3^{4} \times 5^{2} \times 11^{1}$ and $B = 3^{2} \times 5^{3} \times 7^{4}$, find the prime factorisation of their lowest common multiple.
Options:
  • $3^{4} \times 5^{3} \times 7^{3} \times 11^{1}$
  • $3^{2} \times 5^{3} \times 7^{4} \times 11^{2}$
  • $3^{4} \times 5^{3} \times 7^{4} \times 11^{1}$
  • $3^{4} \times 5^{2} \times 7^{4} \times 11^{1}$
Multiple Choice
Using $A = 3^{4} \times 5^{2} \times 11^{1}$ and $B = 3^{2} \times 5^{3} \times 7^{4}$, find the prime factorization of their least common multiple.
Options:
  • $3^{4} \times 5^{3} \times 7^{3} \times 11^{1}$
  • $3^{2} \times 5^{3} \times 7^{4} \times 11^{2}$
  • $3^{4} \times 5^{3} \times 7^{4} \times 11^{1}$
  • $3^{4} \times 5^{2} \times 7^{4} \times 11^{1}$

Classifier: Contains the AU spelling "factorisation", which needs to be converted to "factorization" for a US audience.

Verifier: Contains the AU spelling "factorisation", which requires localization to "factorization".

mrT0YqBW2kKYx9ngaVbF Localize Units (simple)
Question
Fill in the blank: Density $=7.8$ g/m$^3$ Mass $=[?]$ Volume $=5$ m$^3$
Answer:
  • 39
Question
Fill in the blank: Density $=7.8$ oz/ft$^3$ Mass $=[?]$ Volume $=5$ ft$^3$
Answer:
  • 39

Classifier: The question contains metric units (grams and cubic metres) which require localization to US customary units or a US-centric metric context per policy.

Verifier: The question uses metric units (grams and cubic metres) which require localization. It is a simple calculation (Density * Volume), so simple_conversion is correct.

mqn_01KHSETSVAS6B81293ZF4F2PGW Localize Units (simple)
Multiple Choice
Mia runs $\dfrac{3}{4}$ km each day for $6$ days. Noah runs $\dfrac{5}{6}$ km each day for $5$ days. Who runs further?
Options:
  • Noah
  • Mia
  • Cannot be determined
  • They run the same distance
Multiple Choice
Mia runs $\dfrac{3}{4}$ mi each day for $6$ days. Noah runs $\dfrac{5}{6}$ mi each day for $5$ days. Who runs farther?
Options:
  • Noah
  • Mia
  • Cannot be determined
  • They run the same distance

Classifier: Contains the metric unit "km" (kilometers), which requires conversion to US customary units (e.g., miles) for US localization.

Verifier: Contains the metric unit "km" (kilometers), which requires conversion to US customary units.

mrX6W3BpQq6DiZk3meTY Localize Spelling (AU-US)
Multiple Choice
Factorise the polynomial $x^3-27$.
Options:
  • $(x+3)(x^2-3x-9)$
  • $(x-3)(x^2+3x+9)$
  • $(x-3)(x^2+9x-9)$
  • $(x-3)(x^2-3x+9)$
Multiple Choice
Factor the polynomial $x^3-27$.
Options:
  • $(x+3)(x^2-3x-9)$
  • $(x-3)(x^2+3x+9)$
  • $(x-3)(x^2+9x-9)$
  • $(x-3)(x^2-3x+9)$

Classifier: The word "Factorise" uses the AU/UK 's' spelling and needs to be converted to the US 'z' spelling ("Factorize").

Verifier: The word "Factorise" is AU/UK spelling; US spelling is "Factorize".

n8vuikIpIZBD1hT72h5N Localize Spelling (AU-US)
Multiple Choice
Which of the following pairs of variables is not suitable for a scatterplot?
Options:
  • Circumference and diameter
  • Shoe size and foot size
  • Distance travelled and running time
  • Height and eye colour
Multiple Choice
Which of the following pairs of variables is not suitable for a scatterplot?
Options:
  • Circumference and diameter
  • Shoe size and foot size
  • Distance traveled and running time
  • Height and eye color

Classifier: Contains the AU spelling "colour" which needs to be converted to "color". "Travelled" is also AU spelling (US: traveled).

Verifier: The text contains "travelled" (US: traveled) and "colour" (US: color), which are AU/British spellings.

nAxbRBDmTHrK2VaTN9LQ Localize Terminology
Multiple Choice
As Maira practised more maths problems, her test scores improved. What is the response variable in this situation?
Options:
  • Maths subjects
  • Time spent practising
  • Test scores
  • Number of questions in the test
Multiple Choice
As Maira practiced more math problems, her test scores improved. What is the response variable in this situation?
Options:
  • Math subjects
  • Time spent practicing
  • Test scores
  • Number of questions in the test

Classifier: Contains "maths" (US: math) and "practised" (US: practiced). Terminology "maths" takes priority over spelling.

Verifier: Contains "maths" (US: math) and "practised" (US: practiced). Per rule 5, terminology/school context takes priority over spelling.

mqn_01KHSF18DE602DEMRD9HPJEZWD Localize Units (simple)
Multiple Choice
Tank A fills at $\dfrac{11}{12}$ kL per hour for $4$ hours. Tank B fills at $\dfrac{5}{7}$ kL per hour for $5$ hours. Which tank holds more water after filling?
Options:
  • Tank B
  • Both hold the same amount
  • Tank A
  • Cannot be determined
Multiple Choice
Tank A fills at $\dfrac{11}{12}$ gal per hour for $4$ hours. Tank B fills at $\dfrac{5}{7}$ gal per hour for $5$ hours. Which tank holds more water after filling?
Options:
  • Tank B
  • Both hold the same amount
  • Tank A
  • Cannot be determined

Classifier: Contains the metric unit "kL" (kiloliters), which requires conversion to US customary units for US localization.

Verifier: Contains the metric unit "kL" (kiloliters), which requires conversion to US customary units.

nFH36vXggi7WOEotSqYp Localize Terminology
Multiple Choice
True or false: Hire-purchase agreements allow buyers to purchase expensive goods, but they do not own the goods until the last installment has been paid.
Options:
  • False
  • True
Multiple Choice
True or false: Installment loans allow buyers to purchase expensive goods, but they do not own the goods until the last installment has been paid.
Options:
  • False
  • True

Classifier: "Hire-purchase agreements" is a term primarily used in Commonwealth countries (UK, AU). In the US, this is typically referred to as "rent-to-own" or "installment plans/contracts". Additionally, "installment" is spelled with two 'l's here, which is acceptable in both but often "instalment" in AU; however, the term itself is the primary trigger for localization.

Verifier: "Hire-purchase agreements" is a specific financial/legal term used in Australia and the UK, whereas the US equivalent is typically "rent-to-own" or "installment plan". This requires terminology localization.

myPfTM1EK00LkqhE0XlF Localize Spelling (AU-US)
Multiple Choice
You are booking a theatre show ticket. Tickets are only sold in batches of $2$ tickets or more in one booking, and one ticket costs $\$30$. If you purchase $5$ or more tickets though, each ticket will cost $\$28$. Represent the cost of tickets $f(x)$ if a person buys $x$ tickets.
Options:
  • $f(x)=\begin{cases}30x&;x>2\\28x&;x>{5}\end{cases}$
  • $f(x)=\begin{cases}30x&;x>2\\28x&;x\geq{5}\end{cases}$
  • $f(x)=\begin{cases}60x&;x\geq{2}\\140x&;x\geq{5}\end{cases}$
  • $f(x)=\begin{cases}60x&;x<2\\140x&;x\geq{5}\end{cases}$
Multiple Choice
You are booking a theater show ticket. Tickets are only sold in batches of $2$ tickets or more in one booking, and one ticket costs $\$30$. If you purchase $5$ or more tickets though, each ticket will cost $\$28$. Represent the cost of tickets $f(x)$ if a person buys $x$ tickets.
Options:
  • $f(x)=\begin{cases}30x&;x>2\\28x&;x>{5}\end{cases}$
  • $f(x)=\begin{cases}30x&;x>2\\28x&;x\geq{5}\end{cases}$
  • $f(x)=\begin{cases}60x&;x\geq{2}\\140x&;x\geq{5}\end{cases}$
  • $f(x)=\begin{cases}60x&;x<2\\140x&;x\geq{5}\end{cases}$

Classifier: Contains the AU spelling "theatre", which needs to be converted to the US spelling "theater".

Verifier: Contains "theatre", which is the AU/British spelling; US spelling is "theater".

q0L1MTfzp1fi56qimS5l Localize Spelling (AU-US)
Multiple Choice
True or false: Amortising loans are loans paid in full to make the balance owed zero.
Options:
  • False
  • True
Multiple Choice
True or false: Amortizing loans are loans paid in full to make the balance owed zero.
Options:
  • False
  • True

Classifier: The word "Amortising" uses the AU/UK 's' spelling. In US English, this is spelled "Amortizing".

Verifier: The word "Amortising" uses the AU/UK 's' spelling, which requires localization to "Amortizing" for US English.

nT70ZiWTvbm3n0jkgLzu Localize Units (simple)
Question
A cylindrical water tank has a height of $20$ m and a radius of $10$ m. The tank is closed at both ends. What is the tank's surface area?
Answer:
  • 1885
Question
A cylindrical water tank has a height of $20$ ft and a radius of $10$ ft. The tank is closed at both ends. What is the tank's surface area?
Answer:
  • 1885

Classifier: The text contains metric units ("m" for metres and "m^2" for square metres) which require conversion for US localization.

Verifier: The question uses metric units ("m" for metres and "m^2" for square metres) which require conversion to US customary units.

q6PSxYrUknVCTiDEk5iO Localize Cultural refs
Question
What is the time difference between Melbourne $(37^\circ{S},144^\circ{E})$ and Brisbane $(27^\circ{S},153^\circ{E})$ ? Give your answer to the nearest minute.
Answer:
  • 32
Question
What is the time difference between New York $(41^\circ{N},74^\circ{W})$ and Boston $(42^\circ{N},71^\circ{W})$ ? Give your answer to the nearest minute.
Answer:
  • 12

Classifier: The question references specific Australian cities (Melbourne and Brisbane) and their coordinates to calculate time differences. This is a distinct AU cultural/geographic reference.

Verifier: The question uses specific Australian geographic locations (Melbourne and Brisbane) as the basis for the calculation, which constitutes a cultural/geographic reference.

q10vA27rV2RnaJxOJ9N9 Localize Units (simple)
Question
A man shares $12$ hectares of land equally between his $3$ children. What share of land will each child get?
Answer:
  • 4
Question
A man shares $12$ acres of land equally between his $3$ children. What share of land will each child get?
Answer:
  • 4

Classifier: The text contains the metric unit "hectares". According to the decision rules, any metric unit found anywhere in the text requires at least RED.units_simple_conversion.

Verifier: The text contains the metric unit "hectares". According to rule 3, any metric unit found anywhere requires at least RED.units_simple_conversion.

p5wJGJNYnmt1F2P2sq8w Localize Units (simple)
Question
Find the area of a parallelogram with a height of $3$ cm and a base twice the length of its height.
Answer:
  • 18
Question
Find the area of a parallelogram with a height of $3$ in and a base twice the length of its height.
Answer:
  • 18

Classifier: The text contains the metric unit "cm" and "cm$^2$", which requires conversion to US customary units (inches).

Verifier: The question contains metric units "cm" and "cm$^2$" which require conversion to US customary units. This is a simple numeric conversion.

piil0wI0zfFWcYVGNFcy Review Review
Question
Find the effective annual interest rate equivalent to a nominal rate of $11\%$ per annum, compounded quarterly.
Answer:
  • 11.46
Question
Find the effective annual interest rate equivalent to a nominal rate of $11\%$ per year, compounded quarterly.
Answer:
  • 11.46

Classifier: The text contains the term "quarterly". While common in finance in both regions, the decision rules suggest using GRAY for terms like "quarter" where policy might dictate specific localization or review, although in a financial context it is likely neutral.

Verifier: The term "quarterly" in a financial context (compounding interest) is standard international English and does not fall under the GRAY.term_semester_quarter_policy which is intended for academic calendar terms (semesters vs quarters). There is no AU-specific content here.

pjyR417jchv20q46eNv2 Localize Spelling (AU-US)
Question
Lily has a $22\%$ stake in an organisation that earned a profit of $\$34509$ last year. How much of last year's profit is Lily entitled to? Give your answer to the nearest dollar.
Answer:
  • 7592
Question
Lily has a $22\%$ stake in an organization that earned a profit of $\$34509$ last year. How much of last year's profit is Lily entitled to? Give your answer to the nearest dollar.
Answer:
  • 7592

Classifier: The text contains the AU spelling "organisation", which needs to be converted to the US spelling "organization".

Verifier: The text contains the AU spelling "organisation", which needs to be converted to the US spelling "organization".

o4aAUMZYVlRp4zSsXy0G Localize Units (simple)
Question
A round trip from Sydney to Brisbane covers a distance of approximately $1800$ km. If you drive at an average speed of $60$ km/h, how long will it take you to drive from Sydney to Brisbane? Assume that the time taken on either trip is the same.
Answer:
  • 15
Question
A round trip from New York to Boston covers a distance of approximately $1800$ mi. If you drive at an average speed of $60$ mph, how long will it take you to drive from New York to Boston? Assume that the time taken on either trip is the same.
Answer:
  • 15

Classifier: The question contains metric units (km, km/h) and Australian geographic references (Sydney, Brisbane). Per rule 8, units categories take precedence over cultural references.

Verifier: The question contains metric units (km, km/h) and Australian geographic references (Sydney, Brisbane). Per Rule 5, units conversion takes precedence over cultural references.

o1eLlfpXPMCwbzcntSzm Localize Cultural refs
Multiple Choice
Fill in the blank: GST is the $[?]\%$ tax applied to the value of goods and services.
Options:
  • $100$
  • $10$
  • $0.1$
  • $1$
Multiple Choice
Fill in the blank: Sales tax is the $[?]\%$ tax applied to the value of goods and services.
Options:
  • $100$
  • $10$
  • $0.1$
  • $1$

Classifier: The term "GST" (Goods and Services Tax) is a specific tax system used in Australia (at a 10% rate). The US uses "Sales Tax", which varies by state and is not referred to as GST.

Verifier: GST (Goods and Services Tax) is a specific tax system used in Australia (at a 10% rate), whereas the US uses "Sales Tax". This is a clear cultural/geographic reference.

o9esXV43QAPrarhgKmYQ Localize Units (simple)
Question
The lengths of two parallel sides of a trapezium are $12$ cm and $8$ cm, respectively. The distance between the parallel sides is $10$ cm. What is the area of the trapezium?
Answer:
  • 100
Question
The lengths of two parallel sides of a trapezoid are $12$ in and $8$ in, respectively. The distance between the parallel sides is $10$ in. What is the area of the trapezoid?
Answer:
  • 100

Classifier: The question contains metric units ("cm") and the term "trapezium", which is the AU/UK term for the US "trapezoid". Per decision rules, the presence of metric units triggers the units category as a priority.

Verifier: The question contains metric units ("cm") which requires RED classification. It also uses "trapezium", which is the standard term in Australia (vs "trapezoid" in the US), but per rule 5, units conversion takes priority.

nkitICzvQLwVSxLiRi2B Localize Units (simple)
Question
An object starts from $2$ m to the right of the origin and moves in a straight line with velocity $v(t)=12t+2$ m/s for $t\geq0$. Find the change in displacement of the object between $t=2$ and $t=5$ seconds.
Answer:
  • 132
Question
An object starts from $2$ ft to the right of the origin and moves in a straight line with velocity $v(t)=12t+2$ ft/s for $t\geq0$. Find the change in displacement of the object between $t=2$ and $t=5$ seconds.
Answer:
  • 132

Classifier: The text contains metric units ("m" for meters and "m/s" for meters per second) which require conversion to US customary units (feet or miles). Per the decision rules, any metric unit found anywhere in the text triggers a RED units category.

Verifier: The text contains metric units "m" (metres) and "m/s" (metres per second). According to decision rule 3, any metric unit found anywhere requires at least RED.units_simple_conversion. The conversion is a straightforward numeric change for displacement, so simple_conversion is correct.

nj82IUmBbZHweOamJubW Localize Units (complex)
Question
A toy car moves in a straight line with a velocity $v(t)=9t^2-12$ cm/s for $t\geq0$. Find the distance travelled by the toy car in the first two seconds.
Answer:
  • 18.47
Question
A toy car moves in a straight line with a velocity $v(t)=9t^2-12$ in/s for $t\geq0$. Find the distance traveled by the toy car in the first two seconds.
Answer:
  • 18.47

Classifier: The text contains metric units ("cm/s" and "cm") which require localization for a US audience.

Verifier: While the classifier correctly identified the need for unit conversion (cm/s, cm), this is a kinematics problem where the velocity is defined by a function v(t) = 9t^2 - 12. According to rule 4, equations defining quantities in metric or problems requiring integration/derivation of metric functions should be classified as RED.units_complex_converted.

nVGw1CAzb6Hz07MhdFqg Localize Units (simple)
Question
The longitudes of point $A$ and point $B$ are $15^\circ E$ and $75^\circ E$ respectively. Find the distance between them if they both lie on the equator, given that the Earth's radius is 6400 km.
Answer:
  • 6702.064
Question
The longitudes of point $A$ and point $B$ are $15^\circ E$ and $75^\circ E$ respectively. Find the distance between them if they both lie on the equator, given that the Earth's radius is 6400 miles.
Answer:
  • 6702.064

Classifier: The text contains the metric unit "km" (kilometers) multiple times, which requires conversion for US localization.

Verifier: The question uses "km" (kilometers) which is a metric unit requiring conversion for US localization. It is a simple conversion as it involves a single distance calculation based on a given radius.

oVBQYMchyEXkjLPafPwI Localize Units (simple)
Multiple Choice
A particle moves in a straight line and its position at time $t$ seconds is given by $s(t)=2t^3-8t$ m for $0\leq t\leq 5$. How many times did the particle change its direction in the given time interval?
Options:
  • Can't be determined
  • Never
  • Twice
  • Once
Multiple Choice
A particle moves in a straight line and its position at time $t$ seconds is given by $s(t)=2t^3-8t$ ft for $0\leq t\leq 5$. How many times did the particle change its direction in the given time interval?
Options:
  • Can't be determined
  • Never
  • Twice
  • Once

Classifier: The text contains the metric unit "m" (metres) for position and "seconds". Per the decision rules, any metric unit found anywhere requires classification into a units category.

Verifier: The text contains the metric unit "m" (metres). Per rule 3, any metric unit requires at least RED.units_simple_conversion. Since it is a single unit-bearing value in a simple context, simple_conversion is appropriate.

o3cQ5nOiq7hNVCsAgeEU Localize Units (simple)
Multiple Choice
Fill in the blank: $1$ micrometre $=[?]$ metres
Options:
  • $1000000$
  • $1000$
  • $\frac{1}{1000000}$
  • $\frac{1}{1000}$
Multiple Choice
Fill in the blank: $1$ micrometer $=[?]$ meters
Options:
  • $1000000$
  • $1000$
  • $\frac{1}{1000000}$
  • $\frac{1}{1000}$

Classifier: The text contains the metric unit "metres" and "micrometre", which also uses the AU/UK spelling "metres". Per rule 1 and 5, any metric unit requires at least RED.units_simple_conversion.

Verifier: The text contains "micrometre" and "metres", which are metric units and use AU/UK spelling. Per Rule 1 and Rule 3, this requires a RED classification.

osb8svVv78V7hsmTeHJz Localize Units (simple)
Multiple Choice
A body moves in a straight line with velocity $v(t)=-2t+15$ m/s for time $t\geq0$ (seconds). Is the speed of the body increasing or decreasing at $t=5$ ?
Hint: Find instantaneous velocity and acceleration at $t=5$ s and check their sign.
Options:
  • Speed is decreasing
  • Speed is increasing
Multiple Choice
A body moves in a straight line with velocity $v(t)=-2t+15$ ft/s for time $t\geq0$ (seconds). Is the speed of the body increasing or decreasing at $t=5$ ?
Hint: Find instantaneous velocity and acceleration at $t=5$ s and check their sign.
Options:
  • Speed is decreasing
  • Speed is increasing

Classifier: The text contains the metric unit "m/s" (metres per second). According to the decision rules, any metric unit requires classification into a units category, which takes precedence over terminology or spelling.

Verifier: The text contains the metric unit "m/s" (metres per second) and "s" (seconds). Per rule 3, any metric unit requires a RED classification. Since it is a single linear velocity function, simple_conversion is appropriate.

oUT8fpX2Y6Hv58cmHcGK Localize Spelling (AU-US)
Question
Factorise $f(x)=x^3 + 9 x^2 + 11 x - 21$. Express your answer in the form $(x\pm a)(x\pm b)(x\pm c)$.
Options:
  • ({x}+7)({x}-1)({x}+3)
  • ({x}+3)({x}-1)({x}+7)
  • ({x}-1)({x}+7)({x}+3)
  • ({x}+7)({x}+3)({x}-1)
  • ({x}+3)({x}+7)({x}-1)
  • ({x}-1)({x}+3)({x}+7)
Question
Factor $f(x)=x^3 + 9 x^2 + 11 x - 21$. Express your answer in the form $(x\pm a)(x\pm b)(x\pm c)$.
Options:
  • ({x}+7)({x}-1)({x}+3)
  • ({x}+3)({x}-1)({x}+7)
  • ({x}-1)({x}+7)({x}+3)
  • ({x}+7)({x}+3)({x}-1)
  • ({x}+3)({x}+7)({x}-1)
  • ({x}-1)({x}+3)({x}+7)

Classifier: Contains the AU spelling "Factorise", which needs to be localized to "Factorize" for a US audience.

Verifier: The text contains "Factorise", which is the AU/UK spelling. Per rule 1, this requires RED classification.

pBGHGzSSYTa7QkUV4Xb5 Localize Spelling (AU-US)
Question
Factorise $x^3 + 4 x^2 + x - 6$. Express your answer in the form $(x\pm a)(x\pm b)(x\pm c)$.
Options:
  • ({x}-1)({x}+3)({x}+2)
  • ({x}-1)({x}+2)({x}+3)
  • ({x}+3)({x}-1)({x}+2)
  • ({x}+3)({x}+2)({x}-1)
  • ({x}+2)({x}+3)({x}-1)
  • ({x}+2)({x}-1)({x}+3)
Question
Factor $x^3 + 4 x^2 + x - 6$. Express your answer in the form $(x\pm a)(x\pm b)(x\pm c)$.
Options:
  • ({x}-1)({x}+3)({x}+2)
  • ({x}-1)({x}+2)({x}+3)
  • ({x}+3)({x}-1)({x}+2)
  • ({x}+3)({x}+2)({x}-1)
  • ({x}+2)({x}+3)({x}-1)
  • ({x}+2)({x}-1)({x}+3)

Classifier: The text uses the AU/UK spelling "Factorise", which requires conversion to the US spelling "Factorize".

Verifier: The word "Factorise" is the AU/UK spelling; US English uses "Factorize".

oFcGmkB0kBxi9iMpT2uK Localize Spelling (AU-US)
Multiple Choice
Factorise $64+8x^3$.
Options:
  • $(4-2x)(16-8x-4x^2)$
  • $(4+2x)(16-8x+4x^2)$
  • $(4-2x)(16-8x+4x^2)$
  • $(4+2x)(16-8x-4x^2)$
Multiple Choice
Factor $64+8x^3$.
Options:
  • $(4-2x)(16-8x-4x^2)$
  • $(4+2x)(16-8x+4x^2)$
  • $(4-2x)(16-8x+4x^2)$
  • $(4+2x)(16-8x-4x^2)$

Classifier: Contains the AU spelling "Factorise", which needs to be localized to the US spelling "Factorize".

Verifier: The text contains "Factorise", which is the AU/British spelling. The US spelling is "Factorize".

qE2DBR9UZPcyGz6ra5lN Localize Spelling (AU-US)
Multiple Choice
Which of the following is not an imperial unit of volume?
Options:
  • Pint
  • Millilitre
  • Gallon
  • Ounce
Multiple Choice
Which of the following is not a US customary unit of volume?
Options:
  • Pint
  • Milliliter
  • Gallon
  • Ounce

Classifier: Contains the AU spelling "Millilitre" which requires conversion to the US spelling "Milliliter". While it mentions units, the primary action is a spelling correction for a metric term in a multiple-choice list.

Verifier: The answer choice "Millilitre" uses AU/British spelling. Since the question asks to identify a non-imperial unit, the word itself is the object of the question, but the spelling "re" vs "er" is the primary localization trigger.

r5bqq7Bf5bk6LdSU16yg Localize Cultural refs
Question
How many different uniform combinations can a football coach choose from if he has $3$ guernsey colours, $3$ shorts colours and $2$ sock options?
Answer:
  • 18
Question
How many different uniform combinations can a football coach choose from if he has $3$ jersey colors, $3$ shorts colors and $2$ sock options?
Answer:
  • 18

Classifier: The term "guernsey" is a distinctly Australian/British term for a sports jersey, particularly in the context of Australian Rules Football. Additionally, "colours" uses the AU spelling. While spelling is present, the cultural context of "guernsey" makes this a cultural reference.

Verifier: The text contains "guernsey" (an Australian term for a sports jersey) and "colours" (AU spelling). Per rule 8, "guernsey" is a distinct AU cultural reference.

qs0xTM3Wj49PC0e84oVt Localize Units (simple)
Question
A sector has a central angle of $2.5$ radians and an arc length of $20$ m. Find its area.
Answer:
  • 80
Question
A sector has a central angle of $2.5$ radians and an arc length of $20$ ft. Find its area.
Answer:
  • 80

Classifier: The text contains the metric unit "m" (metres) and "m^2" (square metres), which requires conversion for US localization.

Verifier: The text contains the metric unit "m" (metres) and "m^2" (square metres), which requires conversion for US localization.

r0v96UxLPibqNQ1QRsZB Review Review
Multiple Choice
True or false: When a person borrows $\$1000$ for a $5$-year term with annual compound interest, the total amount owed changes after the first year.
Options:
  • False
  • True
Multiple Choice
True or false: When a person borrows $\$1000$ for a $5$-year period with annual compound interest, the total amount owed changes after the first year.
Options:
  • False
  • True

Classifier: The text uses the word "term" in the context of a loan duration ("5-year term"). While common in both dialects, the decision rules suggest using the GRAY category for "term" to allow for policy-based review.

Verifier: The word "term" in the context of a "5-year term" for a loan is standard financial English in both the US and AU. The category GRAY.term_semester_quarter_policy is specifically intended for school/academic calendar divisions (semesters vs terms), not for the duration of a financial contract. Since there are no other localization triggers, this is GREEN.

qzGRrFZITvgxSsXpCdLz Localize Units (simple)
Question
A square with an area of $25$ m$^2$ is scaled up by a factor of $4$, what is the side length of the new square?
Answer:
  • 20
Question
A square with an area of $25$ ft$^2$ is scaled up by a factor of $4$, what is the side length of the new square?
Answer:
  • 20

Classifier: The text contains metric units ("m^2" and "m") which require conversion to US customary units.

Verifier: The question contains metric units ("m^2" and "m") which require conversion to US customary units. It is a simple conversion as it involves a single geometric shape and a scaling factor.

qNE7EBW9fXpSHqLQEJ6W Localize Spelling (AU-US)
Multiple Choice
Tiphany’s Jewellery is selling a $\$2000$ necklace for $35\%$ off. Lorentz Jewels sells the same necklace for $\$2000$, but with a $25\%$ discount, plus an extra $10\%$ off the reduced price. Which store offers the lower final price?
Options:
  • Lorentz Jewels
  • Tiphany's Jewellery
Multiple Choice
Tiffany’s Jewelry is selling a $\$2000$ necklace for $35\%$ off. Lorentz Jewels sells the same necklace for $\$2000$, but with a $25\%$ discount, plus an extra $10\%$ off the reduced price. Which store offers the lower final price?
Options:
  • Lorentz Jewels
  • Tiffany's Jewelry

Classifier: Contains the AU spelling "Jewellery", which should be "Jewelry" in US English. Currency symbols ($) are neutral.

Verifier: The text contains "Jewellery", which is the AU/UK spelling. The US spelling is "Jewelry".

rExZW8QuMUsIE4skcqLj Localize Units (simple)
Question
The velocity of an object is $v(t)=8t^2+4$ m/s for $t\geq0$ (seconds). Find its average velocity over the first $6$ seconds.
Answer:
  • 100
Question
The velocity of an object is $v(t)=8t^2+4$ ft/s for $t\geq0$ (seconds). Find its average velocity over the first $6$ seconds.
Answer:
  • 100

Classifier: The text contains the metric unit "m/s" (metres per second). According to the decision rules, any metric unit found anywhere in the text requires classification into a units category, and "m/s" is a standard simple metric unit.

Verifier: The text contains the metric unit "m/s" (metres per second). According to rule 3, any metric unit requires at least RED.units_simple_conversion.

qklWHre0vNZHEMiWPsW5 Localize Units (simple)
Question
Find the distance of Lebanon$(34^\circ{N},36^\circ{E})$ from the South Pole. Give your answer to the nearest whole number.
Hint: Take Earth's radius to be $6371$ km
Answer:
  • 13788
Question
Find the distance of Lebanon$(34^\circ{N},36^\circ{E})$ from the South Pole. Give your answer to the nearest whole number.
Hint: Take Earth's radius to be $3959$ miles
Answer:
  • 8571

Classifier: The text contains the metric unit "km" (kilometers) in both the hint and the suffix, which requires conversion to US customary units (miles) for a US audience.

Verifier: The question uses "km" (kilometers) in the hint and suffix, which requires conversion to US customary units (miles). It is a simple conversion as it involves a single constant (Earth's radius) and a numeric answer.

rRz1GLuinTSQZPPBpIvR Localize Units (simple)
Question
Find the area of an isosceles triangle with one side of length $8$ m and two sides of length $5$ m.
Answer:
  • 12
Question
Find the area of an isosceles triangle with one side of length $8$ ft and two sides of length $5$ ft.
Answer:
  • 12

Classifier: The text contains metric units "m" (metres) and "m$^2$" (square metres), which require conversion to US customary units.

Verifier: The text contains metric units "m" and "m$^2$" which require conversion to US customary units.

qMFKCQ0WN74TzIMTqCLM Localize Terminology
Multiple Choice
Which number greater than $30$ completes the Pythagorean triple? $\{16, 30, [?]\}$
Hint: A Pythagorean triple is a set of integer side lengths that make up a right-angled triangle.
Options:
  • $40$
  • $34$
  • $36$
  • $32$
Multiple Choice
Which number greater than $30$ completes the Pythagorean triple? $\{16, 30, [?]\}$
Hint: A Pythagorean triple is a set of integer side lengths that make up a right triangle.
Options:
  • $40$
  • $34$
  • $36$
  • $32$

Classifier: Contains the AU-specific term "right-angled triangle", which should be localized to "right triangle" in a US context.

Verifier: The term "right-angled triangle" is the standard AU/UK term, whereas "right triangle" is the standard US term. This requires localization under terminology_school_context.

ra0v0EafFr2XcVBV5igk Localize Units (simple)
Question
Find the density of a spherical metal ball with a mass of $64$ g and a radius of $2$ cm.
Answer:
  • 1.9
Question
Find the density of a spherical metal ball with a mass of $64$ oz and a radius of $2$ in.
Answer:
  • 1.9

Classifier: Contains metric units (g, cm, g/cm^3) which require localization to US customary units or a decision on metric usage in US science context. Per rules, any metric unit triggers a RED category.

Verifier: The question contains metric units (g, cm, g/cm^3) which require localization.

qFtkwli10KusxhWPFkHB Localize Terminology
Multiple Choice
Which of the following is not a Pythagorean triple?
Hint: A Pythagorean triple is a set of integer side lengths that make up a right-angled triangle.
Options:
  • $\{9,12,15\}$
  • $\{12,14,20\}$
  • $\{11,60,61\}$
  • $\{15,20,25\}$
Multiple Choice
Which of the following is not a Pythagorean triple?
Hint: A Pythagorean triple is a set of integer side lengths that make up a right triangle.
Options:
  • $\{9,12,15\}$
  • $\{12,14,20\}$
  • $\{11,60,61\}$
  • $\{15,20,25\}$

Classifier: The hint contains the term "right-angled triangle", which is the standard Australian/British term. The US equivalent is "right triangle".

Verifier: The hint uses the term "right-angled triangle", which is the standard Australian/British terminology. The US equivalent is "right triangle". This requires localization for the US market.

rdnQwYSklSpNuArPi20U Localize Units (simple)
Question
An object moves in a straight line and its displacement function is given by $s(t)=t^2-t$ m for $0\leq t\leq 12$ s. Find its average velocity over the first $7$ seconds.
Answer:
  • 6
Question
An object moves in a straight line and its displacement function is given by $s(t)=t^2-t$ ft for $0\leq t\leq 12$ s. Find its average velocity over the first $7$ seconds.
Answer:
  • 6

Classifier: Contains metric units (m, s, m/s) used in a physics/calculus context.

Verifier: Contains metric units (m, s, m/s) which require localization.

rRriEmf1dR24HhiLnb79 Localize Units (simple)
Multiple Choice
A particular bouncy ball will always bounce to half the height that it attained before dropping. If this ball is thrown to a height of $50$m, what is the total distance that the ball will have travelled before it stops bouncing?
Options:
  • $400$ m
  • $300$ m
  • $150$ m
  • $100$ m
Multiple Choice
A particular bouncy ball will always bounce to half the height that it attained before dropping. If this ball is thrown to a height of $50$ ft, what is the total distance that the ball will have traveled before it stops bouncing?
Options:
  • $400$ ft
  • $300$ ft
  • $150$ ft
  • $100$ ft

Classifier: The text contains the metric unit "m" (metres) in both the question and the answer choices, which requires conversion to US customary units (feet/yards). It also contains the AU spelling "travelled".

Verifier: The text contains the metric unit "m" (metres) multiple times and the AU spelling "travelled". Per rule 5, units conversion takes precedence over spelling.

rHWKz5Db4t3pKRzNtNlA Localize Units (simple)
Multiple Choice
A particle moves in a straight line with the displacement function $s(t)=2t^3+6t^2+6t$ cm where time $t\geq0$ s. Which of the following is the instantaneous velocity function?
Options:
  • None of the above
  • $8t^2+6t+6$ m/s
  • $8t^2+12t+6$ m/s
  • $8t^2+12t+12$ m/s
Multiple Choice
A particle moves in a straight line with the displacement function $s(t)=2t^3+6t^2+6t$ in where time $t\geq0$ s. Which of the following is the instantaneous velocity function?
Options:
  • None of the above
  • $8t^2+6t+6$ ft/s
  • $8t^2+12t+6$ ft/s
  • $8t^2+12t+12$ ft/s

Classifier: The text contains metric units "cm" and "m/s". Per the decision rules, any metric unit requires a RED units classification. While the math involves a derivative, the units themselves are simple metric units.

Verifier: The text contains metric units "cm" and "m/s". Per rule 3, any metric unit requires a RED units classification. Since the units are standard and the conversion is straightforward (not involving complex re-derivation of coefficients in the formula itself), simple_conversion is appropriate.

rk11VXQ83XO9g7fuPiTa Localize Spelling (AU-US)
Multiple Choice
Fill in the blank: Footwear colour is an example of $[?]$ data.
Options:
  • Nominal
  • Ordinal
Multiple Choice
Fill in the blank: Footwear color is an example of $[?]$ data.
Options:
  • Nominal
  • Ordinal

Classifier: Contains the AU spelling "colour", which needs to be localized to "color".

Verifier: Contains the AU spelling "colour", which requires localization to "color".

rkKfBVZqkHvIR6NFkHbC Localize Terminology
Question
Calculate the annual simple interest rate at which $\$7230$ amounts to $\$8856.75$ in $5$ years.
Answer:
  • 4.5
Question
Calculate the annual simple interest rate at which $\$7230$ amounts to $\$8856.75$ in $5$ years.
Answer:
  • 4.5

Classifier: The term "p.a." (per annum) is standard in AU financial math contexts but is less common in US K-12/undergraduate math compared to "per year" or simply omitting it when "annual" is already present. More importantly, the suffix format is a specific convention.

Verifier: The abbreviation "p.a." (per annum) is a specific AU/UK financial math convention that requires localization for US school contexts.

rhs9P6Xjbf4ZRZQdjdD3 Localize Units (simple)
Question
The velocity function of a car is $v(t)=2t+50$ km/h for $0\leq t\leq5$, where $t$ is in hours. Find the total distance travelled by the car in $5$ hours.
Answer:
  • 275
Question
The velocity function of a car is $v(t)=2t+50$ mi/h for $0\leq t\leq5$, where $t$ is in hours. Find the total distance traveled by the car in $5$ hours.
Answer:
  • 275

Classifier: Contains metric units (km/h, km) which require conversion to US customary units (mph, miles). Also contains AU spelling "travelled". Units take precedence.

Verifier: Contains metric units (km/h, km) and AU spelling "travelled". Units conversion is the primary driver for RED.

raMqcHHV0IoyX8ryEndz Localize Units (simple)
Multiple Choice
Maria runs a bakery that makes a profit of $\$10$ per strawberry cake sold and $\$14$ per Belgian cake sold. Each strawberry cake uses $1$ kg of flour and takes $1.5$ hours, while each Belgian cake uses $1.5$ kg of flour and takes $1$ hour. With a daily limit of $8$ hours and $10$ kg of flour, how many of each cake should she bake to maximise profit?
Options:
  • $10$ strawberry cakes and $2$ Belgian cakes
  • Only $8$ strawberry cakes
  • $4$ strawberry cakes and $2$ Belgian cakes
  • $2$ strawberry cakes and $6$ Belgian cakes
Multiple Choice
Maria runs a bakery that makes a profit of $\$10$ per strawberry cake sold and $\$14$ per Belgian cake sold. Each strawberry cake uses $1$ lb of flour and takes $1.5$ hours, while each Belgian cake uses $1.5$ lb of flour and takes $1$ hour. With a daily limit of $8$ hours and $10$ lb of flour, how many of each cake should she bake to maximize profit?
Options:
  • $10$ strawberry cakes and $2$ Belgian cakes
  • Only $8$ strawberry cakes
  • $4$ strawberry cakes and $2$ Belgian cakes
  • $2$ strawberry cakes and $6$ Belgian cakes

Classifier: Contains metric units (kg) and the AU spelling "maximise". Units conversion takes precedence over spelling.

Verifier: Contains metric units (kg) and AU spelling (maximise). Units conversion is the primary driver for the RED classification.