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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?

Wag Worms

Age 7 to 11 Challenge Level:

Do you have a system or way of getting more solutions?
How will you know you have found them all?
How would it help to start with the two-year-old wag worms?