Use your knowledge of angles to work out how many degrees the hour and minute hands of a clock travel through in different amounts of time.

Chippy the Robot goes on journeys. How far and in what direction must he travel to get back to his base?

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

Can you find all the different triangles on these peg boards, and find their angles?

Use the interactivity to investigate what kinds of triangles can be drawn on peg boards with different numbers of pegs.

How many different triangles can you make which consist of the centre point and two of the points on the edge? Can you work out each of their angles?

Can you make a right-angled triangle on this peg-board by joining up three points round the edge?

What is the relationship between the angle at the centre and the angles at the circumference, for angles which stand on the same arc? Can you prove it?

Tobi and Charles explain how you would find the total number of crossings for any number of sticks.

Suggestions for worthwhile mathematical activity on the subject of angle measurement for all pupils.

Choose the size of your pegboard and the shapes you can make. Can you work out the strategies needed to block your opponent?