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Tangrams

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

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Three Squares

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

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Chain of Changes

Arrange the shapes in a line so that you change either colour or shape in the next piece along. Can you find several ways to start with a blue triangle and end with a red circle?

Halving

Stage: 1 Challenge Level: Challenge Level:2 Challenge Level:2

These images show squares split in half:


How might you check that each was correct?
Can you think of more ways to split a square into two halves?