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# Interactive Games and Puzzles (11-14)

### Factors and Multiples Game

### Shifting Times Tables

### Semi-regular Tessellations

### What Numbers Can We Make Now?

### Connect Three

### Treasure Hunt

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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.

You may also wish to explore Interactive Games and Puzzles for 7-11 year olds, and Interactive Games and Puzzles for 14-16 year olds.

Age 7 to 16

Challenge Level

A game in which players take it in turns to choose a number. Can you block your opponent?

Age 11 to 14

Challenge Level

Can you find a way to identify times tables after they have been shifted up or down?

Age 11 to 16

Challenge Level

Semi-regular tessellations combine two or more different regular polygons to fill the plane. Can you find all the semi-regular tessellations?

Age 11 to 14

Challenge Level

Imagine we have four bags containing numbers from a sequence. What numbers can we make now?

Age 11 to 16

Challenge Level

In this game the winner is the first to complete a row of three. Are some squares easier to land on than others?

Age 7 to 14

Challenge Level

Can you find a reliable strategy for choosing coordinates that will locate the treasure in the minimum number of guesses?