Elementary Math Review
A math review quiz board for elementary classes: place value, the four operations, fractions, shapes and angles, and measurement.
The board
Swipe the board sideways · 5 categories
| Place Value | Operations | Fractions | Geometry | Measurement |
|---|---|---|---|---|
| 100 The value of the 4 in 4,219 | 100 45 plus 37 | 100 One half written with a denominator of 8 | 100 A polygon with three sides | 100 The number of centimeters in one meter |
| 200 8,736 rounded to the nearest hundred | 200 96 minus 58 | 200 The larger fraction: 2/3 or 2/5 | 200 An angle smaller than 90 degrees | 200 The number of minutes in two hours |
| 300 The number written as 5,000 + 300 + 20 + 6 | 300 9 multiplied by 7 | 300 The numerator in the fraction 7/10 | 300 The number of faces on a cube | 300 The area of a 6 cm by 4 cm rectangle |
| 400 The digit in the tens place of 91,284 | 400 144 divided by 12 | 400 One whole minus one quarter | 400 A quadrilateral with two pairs of parallel sides | 400 The most suitable metric unit for the mass of an apple |
| 500 Which number is the smallest nonnegative integer? | 500 The missing number in 6 multiplied by this number equals 54 | 500 The fraction of 12 objects represented by 3 objects | 500 A line segment from the center of a circle to its edge | 500 The volume of a 3 by 2 by 4 rectangular prism |
Ages 8 to 11 · 25 clues and a final round · about 20 minutes
Answers to fact questions come with their source on the host key
Allow about 40 seconds a clue plus three minutes for the final round. Nothing is saved and no account is needed.
Player sheet
Elementary Math Review · Ages 8 to 11 · answers are on the host key
Place Value
- 100 The value of the 4 in 4,219
- 200 8,736 rounded to the nearest hundred
- 300 The number written as 5,000 + 300 + 20 + 6
- 400 The digit in the tens place of 91,284
- 500 Which number is the smallest nonnegative integer?
Operations
- 100 45 plus 37
- 200 96 minus 58
- 300 9 multiplied by 7
- 400 144 divided by 12
- 500 The missing number in 6 multiplied by this number equals 54
Fractions
- 100 One half written with a denominator of 8
- 200 The larger fraction: 2/3 or 2/5
- 300 The numerator in the fraction 7/10
- 400 One whole minus one quarter
- 500 The fraction of 12 objects represented by 3 objects
Geometry
- 100 A polygon with three sides
- 200 An angle smaller than 90 degrees
- 300 The number of faces on a cube
- 400 A quadrilateral with two pairs of parallel sides
- 500 A line segment from the center of a circle to its edge
Measurement
- 100 The number of centimeters in one meter
- 200 The number of minutes in two hours
- 300 The area of a 6 cm by 4 cm rectangle
- 400 The most suitable metric unit for the mass of an apple
- 500 The volume of a 3 by 2 by 4 rectangular prism
Final round: Number Sense
This number is both a factor of 24 and a multiple of 6, and it lies between 10 and 20.
Host key
Elementary Math Review · keep this sheet · it carries the answers
Place Value
- 100 The value of the 4 in 4,219 Response: 4,000 Worked out from the numbers in the clue.
- 200 8,736 rounded to the nearest hundred Response: 8,700 Worked out from the numbers in the clue.
- 300 The number written as 5,000 + 300 + 20 + 6 Response: 5,326 Worked out from the numbers in the clue.
- 400 The digit in the tens place of 91,284 Response: 8 Worked out from the numbers in the clue.
- 500 Which number is the smallest nonnegative integer? Response: 0
The number 0 is the smallest nonnegative integer, and the largest nonpositive integer.
Source: Wikipedia, “0”
Operations
- 100 45 plus 37 Response: 82 Worked out from the numbers in the clue.
- 200 96 minus 58 Response: 38 Worked out from the numbers in the clue.
- 300 9 multiplied by 7 Response: 63 Worked out from the numbers in the clue.
- 400 144 divided by 12 Response: 12 Worked out from the numbers in the clue.
- 500 The missing number in 6 multiplied by this number equals 54 Response: 9 Worked out from the numbers in the clue.
Fractions
- 100 One half written with a denominator of 8 Response: 4/8 Worked out from the numbers in the clue.
- 200 The larger fraction: 2/3 or 2/5 Response: 2/3 Worked out from the numbers in the clue.
- 300 The numerator in the fraction 7/10 Response: 7 Worked out from the numbers in the clue.
- 400 One whole minus one quarter Response: 3/4 Worked out from the numbers in the clue.
- 500 The fraction of 12 objects represented by 3 objects Response: 3/12 or 1/4 Worked out from the numbers in the clue.
Geometry
- 100 A polygon with three sides Response: A triangle
A triangle or trigon is a polygon consisting of three sides connected at three corners.
Source: Wikipedia, “Triangle” - 200 An angle smaller than 90 degrees Response: An acute angle
An angle smaller than a right angle (less than 90°) is called an acute angle.
Source: Wikipedia, “Angle” - 300 The number of faces on a cube Response: 6
A cube has 8 corners, 12 edges and 6 faces, as in the most usual kind of dice.
Source: Simple English Wikipedia, “Cube” - 400 A quadrilateral with two pairs of parallel sides Response: A parallelogram
In Euclidean geometry, a parallelogram is a chiral simple (non-self-intersecting) quadrilateral with two pairs of parallel sides.
Source: Wikipedia, “Parallelogram” - 500 A line segment from the center of a circle to its edge Response: A radius
A radius is a line segment connecting a point on the circle and the center of the circle.
Source: Wikibooks, “Geometry/Chapter 7”
Measurement
- 100 The number of centimeters in one meter Response: 100
Equivalently, there are 100 centimetres in 1 metre.
Source: Wikipedia, “Centimetre” - 200 The number of minutes in two hours Response: 120 Worked out from the numbers in the clue.
- 300 The area of a 6 cm by 4 cm rectangle Response: 24 square centimeters Worked out from the numbers in the clue.
- 400 The most suitable metric unit for the mass of an apple Response: Grams Worked out from the numbers in the clue.
- 500 The volume of a 3 by 2 by 4 rectangular prism Response: 24 cubic units Worked out from the numbers in the clue.
Final round: Number Sense
This number is both a factor of 24 and a multiple of 6, and it lies between 10 and 20. Response: 12 Worked out from the numbers in the clue.
The host key: every clue and answer
This is what prints on the host key.
Place Value
-
The value of the 4 in 4,219 100
4,000 Worked out from the numbers in the clue.
-
8,736 rounded to the nearest hundred 200
8,700 Worked out from the numbers in the clue.
-
The number written as 5,000 + 300 + 20 + 6 300
5,326 Worked out from the numbers in the clue.
-
The digit in the tens place of 91,284 400
8 Worked out from the numbers in the clue.
-
Which number is the smallest nonnegative integer? 500
0
The number 0 is the smallest nonnegative integer, and the largest nonpositive integer.
Source: Wikipedia, “0”
Operations
-
45 plus 37 100
82 Worked out from the numbers in the clue.
-
96 minus 58 200
38 Worked out from the numbers in the clue.
-
9 multiplied by 7 300
63 Worked out from the numbers in the clue.
-
144 divided by 12 400
12 Worked out from the numbers in the clue.
-
The missing number in 6 multiplied by this number equals 54 500
9 Worked out from the numbers in the clue.
Fractions
-
One half written with a denominator of 8 100
4/8 Worked out from the numbers in the clue.
-
The larger fraction: 2/3 or 2/5 200
2/3 Worked out from the numbers in the clue.
-
The numerator in the fraction 7/10 300
7 Worked out from the numbers in the clue.
-
One whole minus one quarter 400
3/4 Worked out from the numbers in the clue.
-
The fraction of 12 objects represented by 3 objects 500
3/12 or 1/4 Worked out from the numbers in the clue.
Geometry
-
A polygon with three sides 100
A triangle
A triangle or trigon is a polygon consisting of three sides connected at three corners.
Source: Wikipedia, “Triangle” -
An angle smaller than 90 degrees 200
An acute angle
An angle smaller than a right angle (less than 90°) is called an acute angle.
Source: Wikipedia, “Angle” -
The number of faces on a cube 300
6
A cube has 8 corners, 12 edges and 6 faces, as in the most usual kind of dice.
Source: Simple English Wikipedia, “Cube” -
A quadrilateral with two pairs of parallel sides 400
A parallelogram
In Euclidean geometry, a parallelogram is a chiral simple (non-self-intersecting) quadrilateral with two pairs of parallel sides.
Source: Wikipedia, “Parallelogram” -
A line segment from the center of a circle to its edge 500
A radius
A radius is a line segment connecting a point on the circle and the center of the circle.
Source: Wikibooks, “Geometry/Chapter 7”
Measurement
-
The number of centimeters in one meter 100
100
Equivalently, there are 100 centimetres in 1 metre.
Source: Wikipedia, “Centimetre” -
The number of minutes in two hours 200
120 Worked out from the numbers in the clue.
-
The area of a 6 cm by 4 cm rectangle 300
24 square centimeters Worked out from the numbers in the clue.
-
The most suitable metric unit for the mass of an apple 400
Grams Worked out from the numbers in the clue.
-
The volume of a 3 by 2 by 4 rectangular prism 500
24 cubic units Worked out from the numbers in the clue.
Final round
-
This number is both a factor of 24 and a multiple of 6, and it lies between 10 and 20.
12 Worked out from the numbers in the clue.
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