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Tangrams

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

Polydron

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

Construct-o-straws

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

A Patchwork Piece

Age 7 to 11
Challenge Level

In the first stage, the octagon you create does not have to be a regular octagon but it is much better if it is.
Which points do the new lines in the second stage join?
The red lines show separate pieces - you might need to do some cutting!