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Can you make five differently sized squares from the interactive tangram pieces?


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


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

Ten Hidden Squares

Age 7 to 14
Challenge Level
Start with one point and look for others that make a square with it.
Don't forget that some squares may be tilted!