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Geoboards

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

Polydron

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

Multilink Cubes

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

Stairs

Age 5 to 11 Challenge Level:

Trying out the stairs using blocks, or drawing them on squared paper, will help.
What will the last block have to look like?
What might the first block look like?