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This collection of tasks is part of the activities for 11-14 year olds section of the Maths At Home feature. The activities below all include an online interactivity where you can test your ideas and make discoveries. The stars represent the challenge level, with three stars indicating the most challenging activities.
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?