Mental calculations

problem
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Twenty Divided Into Six

Age

7 to 11

Challenge level

2 out of 3

Arrange cards numbered 1 to 20 into 6 piles. Can each pile add to the same total?
problem
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Shapes on the Playground

Age

7 to 11

Challenge level

2 out of 3

Sally and Ben were drawing shapes in chalk on the school playground. Can you work out what shapes each of them drew using the clues?
problem
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Six Numbered Cubes

Age

7 to 11

Challenge level

2 out of 3

This task combines spatial awareness with addition and multiplication.
problem
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4 Dom

Age

7 to 11

Challenge level

3 out of 3

Use these four dominoes to make a square that has the same number of dots on each side.
game
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Countdown

Age

7 to 14

Challenge level

1 out of 3

Here is a chance to play a version of the classic Countdown Game.
game
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Dicey Operations

Age

7 to 14

Challenge level

1 out of 3

In these addition and subtraction games, you'll need to think strategically to get closest to the target.
problem
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Got It

Age

7 to 14

Challenge level

1 out of 3

By choosing to add numbers from 1-4, can you hit the target number in this game?
problem
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Missing Multipliers

Age

7 to 14

Challenge level

1 out of 3

What is the smallest number of answers you need to reveal in order to work out the missing headers?
problem
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4 by 4 Mathdokus

Age

7 to 14

Challenge level

1 out of 3

Can you use the clues to complete these 4 by 4 Mathematical Sudokus?
game
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More Dicey Operations

Age

7 to 14

Challenge level

1 out of 3

In these multiplication and division games, you'll need to think strategically to get closest to the target.