Two sudokus in one. Challenge yourself to make the necessary
A Sudoku with clues as ratios.
Solve this Sudoku puzzle whose clues are in the form of sums of the
numbers which should appear in diagonal opposite cells.
A Sudoku with clues given as sums of entries.
This pair of linked Sudokus matches letters with numbers and hides a seasonal greeting. Can you find it?
This sudoku requires you to have "double vision" - two Sudoku's for the price of one
This second Sudoku article discusses "Corresponding Sudokus" which are pairs of Sudokus with terms that can be matched using a substitution rule.
A Sudoku that uses transformations as supporting clues.
Four numbers on an intersection that need to be placed in the
surrounding cells. That is all you need to know to solve this
A Sudoku with clues as ratios or fractions.
A Sudoku with a twist.
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...
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.
Given the products of diagonally opposite cells - can you complete this Sudoku?
A game for two people, who take turns to move the counters. The player to remove the last counter from the board wins.
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 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.
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.
Help the bee to build a stack of blocks far enough to save his
friend trapped in the tower.
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.
Can you identify the mathematicians?
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
A game to make and play based on the number line.
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.
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
Can you work out how to win this game of Nim? Does it matter if you go first or second?
Slide the pieces to move Khun Phaen past all the guards into the position on the right from which he can escape to freedom.
Can you be the first to complete a row of three?
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.
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.
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. . . .
This is a challenging game of strategy for two players with many interesting variations.
A complicated game played on a 9 x 9 checkered grid.
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
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 2 people using a pack of cards Turn over 2 cards and try
to make an odd number or a multiple of 3.
Here is a solitaire type environment for you to experiment with. Which targets can you reach?
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 simple game of patience which often comes out. Can you explain
An article for teachers and pupils that encourages you to look at the mathematical properties of similar games.
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 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.
Collect as many diamonds as you can by drawing three straight lines.
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.