If you have some triangles like these can you make the repeating patterns below?
What other repeating patterns can you make with these triangles?
Please send us some pictures of your creations.
You could print off these sheets
of triangles on coloured paper, or you could use the interactivity below to try out your ideas.
Full screen version
If you can see this message Flash may not be working in your browser
Please see http://nrich.maths.org/techhelp/#flash to enable it.