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 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?

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...

Spiralling Decimals game for an adult and child. Can you get three decimals next to each other on the spiral before your partner?

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

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

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

Play this game and see if you can figure out the computer's chosen number.

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. . . .

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

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.

Here is a chance to play a version of the classic Countdown Game.

This is a game for two players. You will need some small-square grid paper, a die and two felt-tip pens or highlighters. Players take turns to roll the die, then move that number of squares in. . . .

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

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

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

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.

Got It game for an adult and child. How can you play so that you know you will always win?

Factors and Multiples game for an adult and child. How can you make sure you win this game?

Why not challenge a friend to play this transformation game?

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.

Can you explain the strategy for winning this game with any target?

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.

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.

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. . . .

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

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

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

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

This game challenges you to locate hidden triangles in The White Box by firing rays and observing where the rays exit the Box.

A Sudoku based on clues that give the differences between adjacent cells.

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.

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.

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

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.

Can you work out how to win this game of Nim? Does it matter if you go first or second?

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

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

Use the tangram pieces to make our pictures, or to design some of your own!

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

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

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?

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. . . .

Nim-7 game for an adult and child. Who will be the one to take the last counter?