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Geoboards

This practical challenge invites you to investigate the different squares you can make on a square geoboard or pegboard.

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Polydron

This activity investigates how you might make squares and pentominoes from Polydron.

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Multilink Cubes

If you had 36 cubes, what different cuboids could you make?

Fifteen Cards

Stage: 2 Challenge Level: Challenge Level:1

Remember that there is only one of each number from $1 - 15$.

You can download a set of cards numbered $1 - 15$ here.

How will you remember which combinations you have tried?