Colouring Triangles

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

Exploring and noticing Working systematically Conjecturing and generalising Visualising and representing Reasoning, convincing and proving
Being curious Being resourceful Being resilient Being collaborative

Problem



What do you see below?

 

Image
Colouring Triangles

    

Image
Colouring Triangles

 

What do you notice?

What is the same and what is different about the two pictures?

 

Now, it is your turn to colour!

Explore ways of colouring the black and white outline of the triangles:

Image
Colouring Triangles



Can you make symmetrical patterns? With two colours? Three colours?

More than three colours?

You may like to use the interactivity below to try out your ideas. This sheet of blank triangles might also be useful.

We would love to see the triangles you create.  Do send them in along with your explanation of how you know the pattern is symmetrical.