A game that tests your understanding of remainders.
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.
There are nasty versions of this dice game but we'll start with the nice ones...
Given the products of diagonally opposite cells - can you complete this Sudoku?
A game for two people, or play online. Given a target number, say 23, and a range of numbers to choose from, say 1-4, players take it in turns to add to the running total to hit their target.
Here is a machine with four coloured lights. Can you develop a strategy to work out the rules controlling each light?
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. . . .
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 in which players take it in turns to try to draw
quadrilaterals (or triangles) with particular properties. Is it
possible to fill the game grid?
Two sudokus in one. Challenge yourself to make the necessary
A simple game of patience which often comes out. Can you explain
A game for 2 players. Given an arrangement of matchsticks, players
take it is turns to remove a matchstick, along with all of the
matchsticks that touch it.
This second Sudoku article discusses "Corresponding Sudokus" which are pairs of Sudokus with terms that can be matched using a substitution rule.
Can you spot the similarities between this game and other games you know? The aim is to choose 3 numbers that total 15.
Interactive game. Set your own level of challenge, practise your table skills and beat your previous best score.
Solve this Sudoku puzzle whose clues are in the form of sums of the
numbers which should appear in diagonal opposite cells.
This pair of linked Sudokus matches letters with numbers and hides a seasonal greeting. Can you find it?
A Sudoku with clues as ratios.
A Sudoku that uses transformations as supporting clues.
Practise your diamond mining skills and your x,y coordination in this homage to Pacman.
A game in which players take it in turns to choose a number. Can you block your opponent?
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.
Investigations based on an Indian game.
How good are you at estimating angles?
Can you work out how to win this game of Nim? Does it matter if you go first or second?
A Sudoku with clues given as sums of entries.
A game in which players take it in turns to turn up two cards. If
they can draw a triangle which satisfies both properties they win
the pair of cards. And a few challenging questions to follow...
This sudoku requires you to have "double vision" - two Sudoku's for
the price of one
Spiralling Decimals game for an adult and child. Can you get three decimals next to each other on the spiral before your partner?
A Sudoku based on clues that give the differences between adjacent cells.
A game for 1 person to play on screen. Practise your number bonds
whilst improving your memory
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
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 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.
A Sudoku with a twist.
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.
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.
Follow-up to the February Game Rules of FEMTO.
Advent Calendar 2010 - a mathematical game for every day during the
run-up to Christmas.
An article for teachers and pupils that encourages you to look at the mathematical properties of similar games.
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.
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. . . .
Square It game for an adult and child. Can you come up with a way of always winning this game?
Collect as many diamonds as you can by drawing three straight lines.
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.
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
Take turns to place a decimal number on the spiral. Can you get three consecutive numbers?