You may also like

problem icon


Investigate the number of faces you can see when you arrange three cubes in different ways.

problem icon

Let's Investigate Triangles

Vincent and Tara are making triangles with the class construction set. They have a pile of strips of different lengths. How many different triangles can they make?

problem icon

Colouring Triangles

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

Inside Triangles

Stage: 1 Challenge Level: Challenge Level:3 Challenge Level:3 Challenge Level:3
You could try with a three by three dotty grid first to get the idea of the problem.
You might want to work with a partner so you have someone to check that your triangles are all different.
Have you got all the triangles which have a corner at the corner of the grid?