A game in which players take it in turns to choose a number. Can you block your opponent?
Can you find a way to identify times tables after they have been shifted up or down?
Semi-regular tessellations combine two or more different regular polygons to fill the plane. Can you find all the semi-regular tessellations?
Are these games fair? How can you tell?
Imagine we have four bags containing numbers from a sequence. What numbers can we make now?
In this game the winner is the first to complete a row of three. Are some squares easier to land on than others?