End-of-Term Numerical Reasoning Lab
A compact reasoning board built from signed numbers, proportional thinking, and small data sets.
The board
Swipe the board sideways · 3 categories
| Signed Number Moves | Ratios and Rates | Data Detective |
|---|---|---|
| 100Evaluate -8 + 13. | 100A recipe uses 2 cups of oats per batch. How many cups serve three batches? | 100For the ordered data set 4, 6, 6, 9, 10, identify the median. |
| 200Arrange -4, 2, -1, and 0 from least to greatest. | 200Reduce the ratio 18:24 to simplest form. | 200Using 4, 6, 6, 9, 10, calculate the range. |
| 300Find the distance between -6 and 3 on a number line. | 300Five notebooks cost $15 altogether. What is the unit price? | 300The three scores are 8, 10, and 12. What is their mean? |
| 400What is the least nonnegative integer? | 400Over three hours, a car covers 180 kilometres at a constant rate. Calculate its speed. | 400A survey records 7 red choices, 11 blue choices, and 2 green choices. How many responses were recorded? |
| 500Name the polygon defined by exactly three sides. | 500How many faces does a cube have? | 500Compare Set A: 5, 5, 5 with Set B: 3, 5, 7. Which set has the greater range? |
| 600Classify an angle measuring less than 90 degrees. | 600Identify the quadrilateral with two pairs of parallel sides. | 600Which term means a testable explanation for an observation? |
| 700What line segment runs from a circle's center to its edge? | 700In an experiment, what is the factor deliberately changed? | |
| 800How many centimeters make one meter? | 800What term names information collected during an investigation? | |
| 900What science skill gathers information with senses or tools? | ||
| 1000Which result quality improves when a test is repeated? | ||
| 1100What term compares distance on a map with distance in the real world? |
Ages 10 to 13 · 25 of 25 clues written · final round · about 20 minutes
13 of 26 answers carry the sentence they were checked against · 13 make no factual claim
Play time assumes about 40 seconds a clue plus three minutes for the final round. Nothing is saved to a server and no account is needed. How answers are checked.
Player sheet
End-of-Term Numerical Reasoning Lab · Ages 10 to 13 · answers are on the host key
Signed Number Moves
- 100 Evaluate -8 + 13.
- 200 Arrange -4, 2, -1, and 0 from least to greatest.
- 300 Find the distance between -6 and 3 on a number line.
- 400 What is the least nonnegative integer?
- 500 Name the polygon defined by exactly three sides.
- 600 Classify an angle measuring less than 90 degrees.
Ratios and Rates
- 100 A recipe uses 2 cups of oats per batch. How many cups serve three batches?
- 200 Reduce the ratio 18:24 to simplest form.
- 300 Five notebooks cost $15 altogether. What is the unit price?
- 400 Over three hours, a car covers 180 kilometres at a constant rate. Calculate its speed.
- 500 How many faces does a cube have?
- 600 Identify the quadrilateral with two pairs of parallel sides.
- 700 What line segment runs from a circle's center to its edge?
- 800 How many centimeters make one meter?
Data Detective
- 100 For the ordered data set 4, 6, 6, 9, 10, identify the median.
- 200 Using 4, 6, 6, 9, 10, calculate the range.
- 300 The three scores are 8, 10, and 12. What is their mean?
- 400 A survey records 7 red choices, 11 blue choices, and 2 green choices. How many responses were recorded?
- 500 Compare Set A: 5, 5, 5 with Set B: 3, 5, 7. Which set has the greater range?
- 600 Which term means a testable explanation for an observation?
- 700 In an experiment, what is the factor deliberately changed?
- 800 What term names information collected during an investigation?
- 900 What science skill gathers information with senses or tools?
- 1000 Which result quality improves when a test is repeated?
- 1100 What term compares distance on a map with distance in the real world?
Final round: Percent Change
A price of $80 is reduced by 25 percent. What is the sale price?
Host key
End-of-Term Numerical Reasoning Lab · keep this sheet · it carries the answers
Signed Number Moves
- 100 Evaluate -8 + 13. Response: 5Self-contained calculation or data interpretation; no external factual claim is made.
- 200 Arrange -4, 2, -1, and 0 from least to greatest. Response: -4, -1, 0, 2Self-contained calculation or data interpretation; no external factual claim is made.
- 300 Find the distance between -6 and 3 on a number line. Response: 9Self-contained calculation or data interpretation; no external factual claim is made.
- 400 What is the least nonnegative integer? Response: 0Checked against:
The number 0 is the smallest nonnegative integer, and the largest nonpositive integer.
Source: https://en.wikipedia.org/w/index.php?title=0&oldid=1363928870 - 500 Name the polygon defined by exactly three sides. Response: A triangleChecked against:
A triangle or trigon is a polygon consisting of three sides connected at three corners.
Source: https://en.wikipedia.org/w/index.php?title=Triangle&oldid=1365649475 - 600 Classify an angle measuring less than 90 degrees. Response: An acute angleChecked against:
An angle smaller than a right angle (less than 90°) is called an acute angle.
Source: https://en.wikipedia.org/w/index.php?title=Angle&oldid=1356827812
Ratios and Rates
- 100 A recipe uses 2 cups of oats per batch. How many cups serve three batches? Response: 6 cupsSelf-contained calculation or data interpretation; no external factual claim is made.
- 200 Reduce the ratio 18:24 to simplest form. Response: 3:4Self-contained calculation or data interpretation; no external factual claim is made.
- 300 Five notebooks cost $15 altogether. What is the unit price? Response: $3 per notebookSelf-contained calculation or data interpretation; no external factual claim is made.
- 400 Over three hours, a car covers 180 kilometres at a constant rate. Calculate its speed. Response: 60 kilometres per hourSelf-contained calculation or data interpretation; no external factual claim is made.
- 500 How many faces does a cube have? Response: 6Checked against:
A cube has 8 corners, 12 edges and 6 faces, as in the most usual kind of dice.
Source: https://simple.wikipedia.org/w/index.php?title=Cube&oldid=9090456 - 600 Identify the quadrilateral with two pairs of parallel sides. Response: A parallelogramChecked against:
In Euclidean geometry, a parallelogram is a chiral simple (non-self-intersecting) quadrilateral with two pairs of parallel sides.
Source: https://en.wikipedia.org/w/index.php?title=Parallelogram&oldid=1358605082 - 700 What line segment runs from a circle's center to its edge? Response: A radiusChecked against:
A radius is a line segment connecting a point on the circle and the center of the circle.
Source: https://en.wikibooks.org/w/index.php?title=Geometry%2FChapter_7&oldid=4493592 - 800 How many centimeters make one meter? Response: 100Checked against:
Equivalently, there are 100 centimetres in 1 metre.
Source: https://en.wikipedia.org/w/index.php?title=Centimetre&oldid=1356186267
Data Detective
- 100 For the ordered data set 4, 6, 6, 9, 10, identify the median. Response: 6Self-contained calculation or data interpretation; no external factual claim is made.
- 200 Using 4, 6, 6, 9, 10, calculate the range. Response: 6Self-contained calculation or data interpretation; no external factual claim is made.
- 300 The three scores are 8, 10, and 12. What is their mean? Response: 10Self-contained calculation or data interpretation; no external factual claim is made.
- 400 A survey records 7 red choices, 11 blue choices, and 2 green choices. How many responses were recorded? Response: 20Self-contained calculation or data interpretation; no external factual claim is made.
- 500 Compare Set A: 5, 5, 5 with Set B: 3, 5, 7. Which set has the greater range? Response: Set BSelf-contained calculation or data interpretation; no external factual claim is made.
- 600 Which term means a testable explanation for an observation? Response: A hypothesisChecked against:
A scientific hypothesis must be based on observations and make a testable and reproducible prediction about reality, in a process beginning with an educated guess.
Source: https://en.wikipedia.org/w/index.php?title=Hypothesis&oldid=1351359517 - 700 In an experiment, what is the factor deliberately changed? Response: The independent variableChecked against:
In an experiment, the variable manipulated by an experimenter is something that is proven to work, called an independent variable.
Source: https://en.wikipedia.org/w/index.php?title=Dependent_and_independent_variables&oldid=1363470332 - 800 What term names information collected during an investigation? Response: DataChecked against:
Data is a collection of facts, figures, objects, symbols and events gathered from different sources.
Source: https://simple.wikipedia.org/w/index.php?title=Data&oldid=10870909 - 900 What science skill gathers information with senses or tools? Response: ObservationChecked against:
Observation in the natural sciences refers to the active acquisition of information from a primary source.
Source: https://en.wikipedia.org/w/index.php?title=Observation&oldid=1362239351 - 1000 Which result quality improves when a test is repeated? Response: ReliabilityChecked against:
Test-retest reliability assesses the degree to which test scores are consistent from one test administration to the next.
Source: https://en.wikipedia.org/w/index.php?title=Reliability_(statistics)&oldid=1360994568 - 1100 What term compares distance on a map with distance in the real world? Response: ScaleChecked against:
The scale of a map is the ratio of a distance on the map to the corresponding distance on the ground.
Source: https://en.wikipedia.org/w/index.php?title=Scale_(map)&oldid=1364316802
Final round: Percent Change
A price of $80 is reduced by 25 percent. What is the sale price? Response: $60Self-contained calculation or data interpretation; no external factual claim is made.
Every clue, every answer, and what it was checked against
This is what prints on the host key.
Signed Number Moves
Evaluate -8 + 13. 100
5Self-contained calculation or data interpretation; no external factual claim is made.
Arrange -4, 2, -1, and 0 from least to greatest. 200
-4, -1, 0, 2Self-contained calculation or data interpretation; no external factual claim is made.
Find the distance between -6 and 3 on a number line. 300
9Self-contained calculation or data interpretation; no external factual claim is made.
What is the least nonnegative integer? 400
0Checked against:
The number 0 is the smallest nonnegative integer, and the largest nonpositive integer.
Source, pinned revisionName the polygon defined by exactly three sides. 500
A triangleChecked against:
A triangle or trigon is a polygon consisting of three sides connected at three corners.
Source, pinned revisionClassify an angle measuring less than 90 degrees. 600
An acute angleChecked against:
An angle smaller than a right angle (less than 90°) is called an acute angle.
Source, pinned revision
Ratios and Rates
A recipe uses 2 cups of oats per batch. How many cups serve three batches? 100
6 cupsSelf-contained calculation or data interpretation; no external factual claim is made.
Reduce the ratio 18:24 to simplest form. 200
3:4Self-contained calculation or data interpretation; no external factual claim is made.
Five notebooks cost $15 altogether. What is the unit price? 300
$3 per notebookSelf-contained calculation or data interpretation; no external factual claim is made.
Over three hours, a car covers 180 kilometres at a constant rate. Calculate its speed. 400
60 kilometres per hourSelf-contained calculation or data interpretation; no external factual claim is made.
How many faces does a cube have? 500
6Checked against:
A cube has 8 corners, 12 edges and 6 faces, as in the most usual kind of dice.
Source, pinned revisionIdentify the quadrilateral with two pairs of parallel sides. 600
A parallelogramChecked against:
In Euclidean geometry, a parallelogram is a chiral simple (non-self-intersecting) quadrilateral with two pairs of parallel sides.
Source, pinned revisionWhat line segment runs from a circle's center to its edge? 700
A radiusChecked against:
A radius is a line segment connecting a point on the circle and the center of the circle.
Source, pinned revisionHow many centimeters make one meter? 800
100Checked against:
Equivalently, there are 100 centimetres in 1 metre.
Source, pinned revision
Data Detective
For the ordered data set 4, 6, 6, 9, 10, identify the median. 100
6Self-contained calculation or data interpretation; no external factual claim is made.
Using 4, 6, 6, 9, 10, calculate the range. 200
6Self-contained calculation or data interpretation; no external factual claim is made.
The three scores are 8, 10, and 12. What is their mean? 300
10Self-contained calculation or data interpretation; no external factual claim is made.
A survey records 7 red choices, 11 blue choices, and 2 green choices. How many responses were recorded? 400
20Self-contained calculation or data interpretation; no external factual claim is made.
Compare Set A: 5, 5, 5 with Set B: 3, 5, 7. Which set has the greater range? 500
Set BSelf-contained calculation or data interpretation; no external factual claim is made.
Which term means a testable explanation for an observation? 600
A hypothesisChecked against:
A scientific hypothesis must be based on observations and make a testable and reproducible prediction about reality, in a process beginning with an educated guess.
Source, pinned revisionIn an experiment, what is the factor deliberately changed? 700
The independent variableChecked against:
In an experiment, the variable manipulated by an experimenter is something that is proven to work, called an independent variable.
Source, pinned revisionWhat term names information collected during an investigation? 800
DataChecked against:
Data is a collection of facts, figures, objects, symbols and events gathered from different sources.
Source, pinned revisionWhat science skill gathers information with senses or tools? 900
ObservationChecked against:
Observation in the natural sciences refers to the active acquisition of information from a primary source.
Source, pinned revisionWhich result quality improves when a test is repeated? 1000
ReliabilityChecked against:
Test-retest reliability assesses the degree to which test scores are consistent from one test administration to the next.
Source, pinned revisionWhat term compares distance on a map with distance in the real world? 1100
ScaleChecked against:
The scale of a map is the ratio of a distance on the map to the corresponding distance on the ground.
Source, pinned revision
Final round
A price of $80 is reduced by 25 percent. What is the sale price?
$60Self-contained calculation or data interpretation; no external factual claim is made.
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