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Start with any number of counters in any number of piles. 2 players take it in turns to remove any number of counters from a single pile. The loser is the player who takes the last counter.


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. . . .


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

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. . . .

A maths-based Football World Cup simulation for teachers and students to use.



A game that demands a logical approach using systematic working to deduce a winning strategy