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

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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?

Crack the Code

Age 7 to 11 Challenge Level:

What could the one-letter words be?
What might you write for your friend in a birthday card?