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.

A game that tests your understanding of remainders.

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.

Here is a machine with four coloured lights. Can you develop a strategy to work out the rules controlling each light?

Given the products of diagonally opposite cells - can you complete this Sudoku?

Can you beat the computer in the challenging strategy game?

To avoid losing think of another very well known game where the patterns of play are similar.

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!

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.

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 moves.

Who said that adding, subtracting, multiplying and dividing couldn't be fun?

Some Games That May Be Nice or Nasty for an adult and child. Use your knowledge of place value to beat your oponent.

Square It game for an adult and child. Can you come up with a way of always winning this game?

There are nasty versions of this dice game but we'll start with the nice ones...

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. . . .

Help the bee to build a stack of blocks far enough to save his friend trapped in the tower.

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.

Match pairs of cards so that they have equivalent ratios.

A game in which players take it in turns to choose a number. Can you block your opponent?

Can you beat Piggy in this simple dice game? Can you figure out Piggy's strategy, and is there a better one?

This pair of linked Sudokus matches letters with numbers and hides a seasonal greeting. Can you find it?

A game to make and play based on the number line.

Practise your diamond mining skills and your x,y coordination in this homage to Pacman.

A game for 1 person to play on screen. Practise your number bonds whilst improving your memory

Collect as many diamonds as you can by drawing three straight lines.

Here is a solitaire type environment for you to experiment with. Which targets can you reach?

Can you spot the similarities between this game and other games you know? The aim is to choose 3 numbers that total 15.

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 simple game of patience which often comes out. Can you explain why?

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 idea of this game is to add or subtract the two numbers on the dice and cover the result on the grid, trying to get a line of three. Are there some numbers that are good to aim for?

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.

Four numbers on an intersection that need to be placed in the surrounding cells. That is all you need to know to solve this sudoku.

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 off again?

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?

Many natural systems appear to be in equilibrium until suddenly a critical point is reached, setting up a mudslide or an avalanche or an earthquake. In this project, students will use a simple. . . .

Take turns to place a decimal number on the spiral. Can you get three consecutive numbers?

This sudoku requires you to have "double vision" - two Sudoku's for the price of one

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.

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.

Advent Calendar 2010 - a mathematical game for every day during the run-up to Christmas.

Two sudokus in one. Challenge yourself to make the necessary connections.

An article for teachers and pupils that encourages you to look at the mathematical properties of similar games.