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


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


Make a cube out of straws and have a go at this practical challenge.

Midpoint Triangle

Age 7 to 11
Challenge Level

Joshua (Brooklands Primary School, Suffolk) says:

I found this one the hardest. I came back to it the next day and could then see it differently.

He drew a picture of the solution. So did Gemma (Sholing Junior School, Southampton).