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?

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

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.

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.

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...

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

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

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

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.

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

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. . . .

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

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.

Interactive game. Set your own level of challenge, practise your table skills and beat your previous best score.

A game that tests your understanding of remainders.

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

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. . . .

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

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

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

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.

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.

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...

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

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.

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. . . .

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

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

A Sudoku with clues given as sums of entries.

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?

Why not challenge a friend to play this transformation game?

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

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

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.