You may also like

problem icon

I'm Eight

Find a great variety of ways of asking questions which make 8.

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


Noah saw 12 legs walk by into the Ark. How many creatures did he see?

Inside Triangles

Age 5 to 7 Challenge Level:
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?