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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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Six to Four

Move four sticks so there are exactly four triangles.

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Posting Triangles

If you can post the triangle with either the blue or yellow colour face up, how many ways can it be posted altogether?

Colouring Triangles

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

Explore ways of colouring this set of triangles.

triangles


Can you make symmetrical patterns? With two colours? Three colours? More than three colours?

Can you colour the small triangles, using four colours, with no two triangles of the same colour side-by-side?