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?
A game for 2 players. Take turns to place a counter so that it occupies one of the lowest possible positions in the grid. The first player to complete a line of 4 wins.
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.
Two sudokus in one. Challenge yourself to make the necessary
This second Sudoku article discusses "Corresponding Sudokus" which are pairs of Sudokus with terms that can be matched using a substitution rule.
This article shows how abstract thinking and a little number theory throw light on the scoring in the game Go.
Interactive game. Set your own level of challenge, practise your table skills and beat your previous best score.
Can you identify the mathematicians?
A game for 2 players that can be played online. Players take it in turns to select a word from the 9 words given. The aim is to select all the occurrences of the same letter.
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.
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.
Slide the pieces to move Khun Phaen past all the guards into the position on the right from which he can escape to freedom.
Here is a solitaire type environment for you to experiment with. Which targets can you reach?
A Sudoku that uses transformations as supporting clues.
This pair of linked Sudokus matches letters with numbers and hides a seasonal greeting. Can you find it?
A game for two people, who take turns to move the counters. The player to remove the last counter from the board wins.
A game for 2 players. Can be played online. One player has 1 red
counter, the other has 4 blue. The red counter needs to reach the
other side, and the blue needs to trap the red.
Can you work out how to win this game of Nim? Does it matter if you go first or second?
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 people. Take turns placing a counter on the star. You win when you have completed a line of 3 in your colour.
First Connect Three game for an adult and child. Use the dice numbers and either addition or subtraction to get three numbers in a straight line.
A Sudoku with clues given as sums of entries.
Can you explain the strategy for winning this game with any target?
This sudoku requires you to have "double vision" - two Sudoku's for the price of one
Advent Calendar 2010 - a mathematical game for every day during the
run-up to Christmas.
Take turns to place a decimal number on the spiral. Can you get three consecutive numbers?
A Sudoku based on clues that give the differences between adjacent cells.
Everthing you have always wanted to do with dominoes! Some of these games are good for practising your mental calculation skills, and some are good for your reasoning skills.
A game for 2 people. Take turns joining two dots, until your opponent is unable to move.
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
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.
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 that tests your understanding of remainders.
A Sudoku with a twist.
A simple game of patience which often comes out. Can you explain
Spiralling Decimals game for an adult and child. Can you get three decimals next to each other on the spiral before your partner?
Follow-up to the February Game Rules of FEMTO.
An article for teachers and pupils that encourages you to look at the mathematical properties of similar games.
There are nasty versions of this dice game but we'll start with the nice ones...
Use the tangram pieces to make our pictures, or to design some of
Basic strategy games are particularly suitable as starting points
for investigations. Players instinctively try to discover a winning
strategy, and usually the best way to do this is to analyse. . . .
A Sudoku with clues as ratios.
An ordinary set of dominoes can be laid out as a 7 by 4 magic rectangle in which all the spots in all the columns add to 24, while those in the rows add to 42. Try it! Now try the magic square...
Four numbers on an intersection that need to be placed in the
surrounding cells. That is all you need to know to solve this
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?
Can you spot the similarities between this game and other games you know? The aim is to choose 3 numbers that total 15.
Who said that adding, subtracting, multiplying and dividing
couldn't be fun?
A game for 2 or more people, based on the traditional card game
Rummy. Players aim to make two `tricks', where each trick has to
consist of a picture of a shape, a name that describes that shape,
and. . . .