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

Solve this Sudoku puzzle whose clues are in the form of sums of the numbers which should appear in diagonal opposite cells.

This second Sudoku article discusses "Corresponding Sudokus" which are pairs of Sudokus with terms that can be matched using a substitution rule.

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 Sudoku with clues given as sums of entries.

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

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

A Sudoku that uses transformations as supporting clues.

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 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.

A game for two people, who take turns to move the counters. The player to remove the last counter from the board wins.

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

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.

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.

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.

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?

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.

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

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

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

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

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

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

A game for 2 people. Take turns joining two dots, until your opponent is unable to move.

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 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.

Can you beat the computer in the challenging strategy game?

This article, the second in the series, looks at some different types of games and the sort of mathematical thinking they can develop.

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

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

Can you make the birds from the egg tangram?

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 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.

Slide the pieces to move Khun Phaen past all the guards into the position on the right from which he can escape to freedom.

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

This article supplies teachers with information that may be useful in better understanding the nature of games and their role in teaching and learning mathematics.

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. . . .

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

Board Block Challenge game for an adult and child. Can you prevent your partner from being able to make a shape?

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

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

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. . . .