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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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Complete the Square

Complete the squares - but be warned some are trickier than they look!

What's Happening?

Stage: 1 Challenge Level: Challenge Level:1

   

 

We started with this pentagon.

Added a triangle:

Then another one:

What would come next, and why?

 

Can you invent something like these for your friends to solve?


pdf is available here