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

A game for 2 or more people. Starting with 100, subratct a number from 1 to 9 from the total. You score for making an odd number, a number ending in 0 or a multiple of 6.

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

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

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 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. . . .

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

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

Four Go game for an adult and child. Will you be the first to have four numbers in a row on the number line?

Can you explain the strategy for winning this game with any 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 for 2 people using a pack of cards Turn over 2 cards and try to make an odd number or a multiple of 3.

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...

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

A shunting puzzle for 1 person. Swop the positions of the counters at the top and bottom of the board.

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

In this game for two players, the idea is to take it in turns to choose 1, 3, 5 or 7. The winner is the first to make the total 37.

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

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

A game for 2 or more players with a pack of cards. Practise your skills of addition, subtraction, multiplication and division to hit the target score.

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

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.

In this game, you can add, subtract, multiply or divide the numbers on the dice. Which will you do so that you get to the end of the number line first?

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

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

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

A game for 2 players. Practises subtraction or other maths operations knowledge.

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 for 2 people. Take turns placing a counter on the star. You win when you have completed a line of 3 in your colour.

Strike it Out game for an adult and child. Can you stop your partner from being able to go?

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?

This challenge is a game for two players. Choose two of the numbers to multiply or divide, then mark your answer on the number line. Can you get four in a row?

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

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

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

A game for 2 people. Use your skills of addition, subtraction, multiplication and division to blast the asteroids.

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

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

A game for 1 or 2 people. Use the interactive version, or play with friends. Try to round up as many counters as possible.

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. . . .

A game for 1 person to develop stategy and shape and space awareness. 12 counters are placed on a board. Counters are removed one at a time. The aim is to be left with only 1 counter.

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.

Work out the fractions to match the cards with the same amount of money.

The game uses a 3x3 square board. 2 players take turns to play, either placing a red on an empty square, or changing a red to orange, or orange to green. The player who forms 3 of 1 colour in a line. . . .

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.

This is a challenging game of strategy for two players with many interesting variations.

This is a game for 2 players. Each player has 4 counters each, and wins by blocking their opponent's counters. A good follow-on from two stones.

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. . . .