
Matching triangles
Can you sort these triangles into three different families and explain how you did it?

A Cartesian puzzle
Find the missing coordinates which will form these eight quadrilaterals. These coordinates themselves will then form a shape with rotational and line symmetry.

Nine-pin triangles
How many different triangles can you make on a circular pegboard that has nine pegs?



Egyptian rope
The ancient Egyptians were said to make right-angled triangles using a rope with twelve equal sections divided by knots. What other triangles could you make if you had a rope like this?

Cut nets
Each of the nets of nine solid shapes has been cut into two pieces. Can you see which pieces go together?

Eight hidden squares
On the graph there are 28 marked points. These points all mark the vertices (corners) of eight hidden squares. Can you find the eight hidden squares?

Symmetry challenge
How many symmetric designs can you make on this grid? Can you find them all?

ReflectoR ! RotcelfeR
Can you place the blocks so that you see the reflection in the picture?

Olympic turns
This task looks at the different turns involved in different Olympic sports as a way of exploring the mathematics of turns and angles.