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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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Cut it Out

Can you dissect an equilateral triangle into 6 smaller ones? What number of smaller equilateral triangles is it NOT possible to dissect a larger equilateral triangle into?

Triangle Shapes

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

Hele, Finley and Freddie from Hotwells Primary School managed to make the first shape in this challenge. Here is their picture of it:

first shape

Thank you! I like the message they sent us:

We found it easier when we let our imaginations run wild.

How wonderful! Perhaps you made some other shapes, then, that you didn't send in? It would be great to see some of them. And we'd love to see any other shapes that anyone else reading this has made.