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
Advent Calendar 2010 - a mathematical game for every day during the
run-up to Christmas.
A game for 2 people. Take turns joining two dots, until your opponent is unable to move.
Solve this Sudoku puzzle whose clues are in the form of sums of the
numbers which should appear in diagonal opposite cells.
Can you identify the mathematicians?
A Sudoku with clues given as sums of entries.
A game for two players. You'll need some counters.
Here is a version of the game 'Happy Families' for you to make and
Can you work out how to win this game of Nim? Does it matter if you go first or second?
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.
In this matching game, you have to decide how long different events take.
A fun puzzle with tantrix tiles.
A game somewhat similar to 'noughts and crosses' on a much larger
A game for 2 players. Given a board of dots in a grid pattern, players take turns drawing a line by connecting 2 adjacent dots. Your goal is to complete more squares than your opponent.
Try this version of Snap with a friend - do you know the order of
the days of the week?
Reasoning based on this Japanese activity.
A game for 1 person. Can you work out how the dice must be rolled from the start position to the finish? Play on line.
In this game for two players, you throw two dice and find the product. How many shapes can you draw on the grid which have that area or perimeter?
Can you make the birds from the egg tangram?
A game that tests your understanding of remainders.
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.
You'll need two dice to play this game against a partner. Will Incey Wincey make it to the top of the drain pipe or the bottom of the drain pipe first?
Take turns to place a decimal number on the spiral. Can you get three consecutive numbers?
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 1 or 2 people. Use the interactive version, or play with friends. Try to round up as many counters as possible.
Exchange the positions of the two sets of counters in the least possible number of moves
Try this matching game which will help you recognise different ways of saying the same time interval.
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
A game for two players on a large squared space.
This article for teachers describes several games, found on the
site, all of which have a related structure that can be used to
develop the skills of strategic planning.
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 use the numbers on the dice to reach your end of the number line before your partner beats you?
A game for two players. You'll need some counters and somewhere to draw a board.
A number card game for 2-6 players.
A game played with a standard pack of cards.
An extension of noughts and crosses in which the grid is enlarged
and the length of the winning line can to altered to 3, 4 or 5.
Hover your mouse over the counters to see which ones will be
removed. Click to remover them. The winner is the last one to
remove a counter. How you can make sure you win?
This is an adding game for two players.
How good are you at estimating angles?
Take it in turns to place a domino on the grid. One to be placed horizontally and the other vertically. Can you make it impossible for your opponent to play?
Take it in turns to make a triangle on the pegboard. Can you block
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.
Work out the fractions to match the cards with the same amount of
A train building game for 2 players.
A game to make and play based on the number line.
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
An article for teachers and pupils that encourages you to look at the mathematical properties of similar games.
This is a challenging game of strategy for two players with many interesting variations.
This challenge is a game for two players. Choose two numbers from the grid and multiply or divide, then mark your answer on the number line. Can you get four in a row before your partner?