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Traffic Lights

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.

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Achi

This game for two players comes from Ghana. However, stones that were marked for this game in the third century AD have been found near Hadrian's Wall in Northern England.

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Yih or Luk Tsut K'i or Three Men's Morris

Some puzzles requiring no knowledge of knot theory, just a careful inspection of the patterns. A glimpse of the classification of knots and a little about prime knots, crossing numbers and knot arithmetic.

First Connect Three

Stage: 2 and 3 Challenge Level: Challenge Level:2 Challenge Level:2

In this game the winner is the first to complete a row of three, either horizontally, vertically or diagonally.

Roll the dice, place each dice in one of the squares and decide whether you want to add or subtract to produce a total shown on the board. Your total will then be covered with a counter.

You cannot cover a number which has already been covered.
If you are unable to find a total which has not been covered you must Pass.

You can use the interactive version below or print this board to play away from the computer.

Full Screen Version
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Are there some numbers that we should be aiming for? Why?

Which number on the grid is the easiest to get? Why?

Which number is the most difficult to get? Why?

For a more challenging version of this game, you could look at Connect Three.