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Age 7 to 11

Challenge Level

- Game

To play the game, take cards alternately. You win if you get all the occurrences of the same letter. (e.g. AN, ON and LINE contain all occurrences of the letter N)

This is a game for two players.

To play the game, take words alternately.

You win if you get all the occurrences of the same letter (e.g. AN, ON and LINE contain all occurrences of the letter N).

Can you devise a strategy so that you never lose?

Can you explain your strategy?

EAT |
AN |
LAF |
IT |

LINE |
IF |
LOT |
ON |

FOE |

Look at all of these games. What do you notice about the strategies they employ?

- Noughts and Crosses
- Online
- Fifteen
- Jam

We suggest tackling them in the order given.

Printable NRICH Roadshow resource.

Click here for a poster of this problem.

The game uses a 3x3 square board. 2 players take turns to play, either placing a red on an empty square, or changing a red to orange, or orange to green. The player who forms 3 of 1 colour in a line wins.

In this game for two players, take it in turns to shade one petal, or two petals next to each other. Is it better to go first or second?