Coffee Break

mathematical puzzles and games

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Noughts and crosses

Get three in a line to win. A classic two player game.

Magic squares

Can you make all the rows, columns and diagonals add up to the same total? Try level 10 if you dare!

Tricky tiles

Rearrange the numbers in a sliding tile game. Choose between different sets of numbers.
Higher or lower?

Use probability to guess higher or lower to try and win as much as you can!

Mind reader

Be amazed as the computer reads your mind. (actually a little trick involving algebra!)

Brain Teasers

Short puzzles and riddles to train your thinking skills.