The game of go has a simple mechanism. This discussion of the principle of two eyes in go has shown that the game does not depend on equally clear-cut concepts.
This is an interactive net of a Rubik's cube. Twists of the 3D cube become mixes of the squares on the 2D net. Have a play and see how many scrambles you can undo!
This is a simple version of an ancient game played all over the world. It is also called Mancala. What tactics will increase your chances of winning?
This article explains the use of the idea of connectedness in networks, in two different ways, to bring into focus the basics of the game of Go, namely capture and territory.
A game for 2 people. Take turns joining two dots, until your opponent is unable to move.
Match pairs of cards so that they have equivalent ratios.
A simple game for 2 players invented by John Conway. It is played
on a 3x3 square board with 9 counters that are black on one side
and white on the other.
Players take it in turns to choose a dot on the grid. The winner is the first to have four dots that can be joined to form a square.
A game for 2 players with similaritlies to NIM. Place one counter on each spot on the games board. Players take it is turns to remove 1 or 2 adjacent counters. The winner picks up the last counter.
An article for teachers and pupils that encourages you to look at the mathematical properties of similar games.
Can you identify the mathematicians?
The aim of the game is to slide the green square from the top right
hand corner to the bottom left hand corner in the least number of
This article shows how abstract thinking and a little number theory throw light on the scoring in the game Go.
A mathematically themed crossword.
Advent Calendar 2010 - a mathematical game for every day during the
run-up to Christmas.
Unmultiply is a game of quick estimation. You need to find two numbers that multiply together to something close to the given target - fast! 10 levels with a high scores table.
We think this 3x3 version of the game is often harder than the 5x5 version. Do you agree? If so, why do you think that might be?
The computer starts with all the lights off, but then clicks 3, 4
or 5 times at random, leaving some lights on. Can you switch them
A game for 2 players
A game for 2 people. Take turns to move the counters 1, 2 or 3
spaces. The player to remove the last counter off the board wins.
To avoid losing think of another very well known game where the
patterns of play are similar.
1. LATE GRIN (2 solutions)
A game for 2 players. Set out 16 counters in rows of 1,3,5 and 7.
Players take turns to remove any number of counters from a row. The
player left with the last counter looses.
This article invites you to get familiar with a strategic game called "sprouts". The game is simple enough for younger children to understand, and has also provided experienced mathematicians with. . . .
All you need for this game is a pack of cards. While you play the
game, think about strategies that will increase your chances of
A Sudoku with a twist.
Two sudokus in one. Challenge yourself to make the necessary
Here is a machine with four coloured lights. Can you develop a strategy to work out the rules controlling each light?
Four numbers on an intersection that need to be placed in the
surrounding cells. That is all you need to know to solve this
A Sudoku with clues as ratios.
This pair of linked Sudokus matches letters with numbers and hides a seasonal greeting. Can you find it?
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 winner is the player to take the last counter.
Solve this Sudoku puzzle whose clues are in the form of sums of the
numbers which should appear in diagonal opposite cells.
Can you beat Piggy in this simple dice game? Can you figure out
Piggy's strategy, and is there a better one?
This second Sudoku article discusses "Corresponding Sudokus" which are pairs of Sudokus with terms that can be matched using a substitution rule.
A Sudoku with clues as ratios or fractions.
Help the bee to build a stack of blocks far enough to save his
friend trapped in the tower.
Can you discover whether this is a fair game?
A collection of games on the NIM theme
A Sudoku with clues given as sums of entries.
A Sudoku based on clues that give the differences between adjacent cells.
Match the cards of the same value.
Given the products of diagonally opposite cells - can you complete this Sudoku?
This sudoku requires you to have "double vision" - two Sudoku's for
the price of one
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. . . .
Can you beat the computer in the challenging strategy game?
Can you be the first to complete a row of three?
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.