Try continuing these patterns made from triangles. Can you create your own repeating pattern?
Watch this "Notes on a Triangle" film. Can you recreate parts of the film using cut-out triangles?
This practical problem challenges you to create shapes and patterns with two different types of triangle. You could even try overlapping them.
What do these two triangles have in common? How are they related?
In how many ways can you fit two of these yellow triangles together? Can you predict the number of ways two blue triangles can be fitted together?
This problem invites you to build 3D shapes using two different triangles. Can you make the shapes from the pictures?