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### Number and algebra

### Geometry and measure

### Probability and statistics

### Working mathematically

### For younger learners

### Advanced mathematics

# Play to Win

### Stop the Clock

### Nim-7

### Got It

### Slippery Snail

### Last Biscuit

Links to the University of Cambridge website
Links to the NRICH website Home page

Nurturing young mathematicians: teacher webinars

30 April (Primary), 1 May (Secondary)

30 April (Primary), 1 May (Secondary)

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Can you use your mathematics to find a winning strategy for each of these games?

The Play to Win pathway on wild.maths.org introduces**students** to a range of strategy games and invites them to look for similarities and links between them.

The collection of related NRICH tasks below are ideal for**teachers** who want to promote creativity in the classroom. They are designed for classroom use, with accompanying Teachers' Notes and Resources.

The Play to Win pathway on wild.maths.org introduces

The collection of related NRICH tasks below are ideal for

Age 5 to 7

Challenge Level

This is a game for two players. Can you find out how to be the first to get to 12 o'clock?

Age 5 to 11

Challenge Level

Can you work out how to win this game of Nim? Does it matter if you go first or second?

Age 7 to 14

Challenge Level

A game for two people, or play online. Given a target number, say 23, and a range of numbers to choose from, say 1-4, players take it in turns to add to the running total to hit their target.

Age 7 to 16

Challenge Level

A game for two people, who take turns to move the counters. The player to remove the last counter from the board wins.

Age 11 to 18

Challenge Level

Can you find a strategy that ensures you get to take the last biscuit in this game?