Have a go at making a few of these shapes from paper in different sizes. What patterns can you create?
Can you describe a piece of paper clearly enough for your partner to know which piece it is?
Use the interactivity to find all the different right-angled triangles you can make by just moving one corner of the starting triangle.
Can you work out what shape is made by folding in this way? Why not create some patterns using this shape but in different sizes?
In how many ways can you stack these rods, following the rules?