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Colouring Triangles

Explore ways of colouring this set of triangles. Can you make symmetrical patterns?

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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?

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What does the overlap of these two shapes look like? Try picturing it in your head and then use the interactivity to test your prediction.

Complete the Square

Stage: 1 Challenge Level: Challenge Level:3 Challenge Level:3 Challenge Level:3

What do you know about squares? Can this help you finish the diagrams?
It might be easier to print off this sheet and then use a pencil and ruler to complete the squares.