Matching Triangles

Stage: 1 Challenge Level: Challenge Level:1

These triangles are in three different families.

triangles


All the triangles in a family are the same shape. But they are not the same size or the same way up.
Can you sort them out and explain how you did it?

You may want to use this interactivity to sort the triangles:

This text is usually replaced by the Flash movie.


Or you could print off this sheet of the triangles, then cut them out and sort them practically.

Published June 2007.