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

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

Is there a best way to stack cans? What do different supermarkets do? How high can you safely stack the cans?

Three Squares

What is the greatest number of squares you can make by overlapping three squares of the same size?

You could try this interactivity. Click on the edge of any square to drag it.

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