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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

Elementary Math Review
Place ValueOperationsFractionsGeometryMeasurement
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

Open it in the maker

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.

The host key: every clue and answer

This is what prints on the host key.

Place Value

  1. The value of the 4 in 4,219 100

    4,000 Worked out from the numbers in the clue.

  2. 8,736 rounded to the nearest hundred 200

    8,700 Worked out from the numbers in the clue.

  3. The number written as 5,000 + 300 + 20 + 6 300

    5,326 Worked out from the numbers in the clue.

  4. The digit in the tens place of 91,284 400

    8 Worked out from the numbers in the clue.

  5. 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

  1. 45 plus 37 100

    82 Worked out from the numbers in the clue.

  2. 96 minus 58 200

    38 Worked out from the numbers in the clue.

  3. 9 multiplied by 7 300

    63 Worked out from the numbers in the clue.

  4. 144 divided by 12 400

    12 Worked out from the numbers in the clue.

  5. The missing number in 6 multiplied by this number equals 54 500

    9 Worked out from the numbers in the clue.

Fractions

  1. One half written with a denominator of 8 100

    4/8 Worked out from the numbers in the clue.

  2. The larger fraction: 2/3 or 2/5 200

    2/3 Worked out from the numbers in the clue.

  3. The numerator in the fraction 7/10 300

    7 Worked out from the numbers in the clue.

  4. One whole minus one quarter 400

    3/4 Worked out from the numbers in the clue.

  5. The fraction of 12 objects represented by 3 objects 500

    3/12 or 1/4 Worked out from the numbers in the clue.

Geometry

  1. 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”

  2. 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”

  3. 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”

  4. 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”

  5. 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

  1. The number of centimeters in one meter 100

    100 Equivalently, there are 100 centimetres in 1 metre. Source: Wikipedia, “Centimetre”

  2. The number of minutes in two hours 200

    120 Worked out from the numbers in the clue.

  3. The area of a 6 cm by 4 cm rectangle 300

    24 square centimeters Worked out from the numbers in the clue.

  4. The most suitable metric unit for the mass of an apple 400

    Grams Worked out from the numbers in the clue.

  5. 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

  1. 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.

Other finished boards

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