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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.

Tiles on a Patio

How many ways can you find of tiling the square patio, using square tiles of different sizes?

Tangrams

Age 5 to 11
Challenge Level
Are any of the pieces square?
How might you use one of the red triangles to make a square?
Can you find another way?
How about using one of the green triangles?