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.
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 people. Take turns joining two dots, until your opponent is unable to move.
A Sudoku with clues given as sums of entries.
Advent Calendar 2010 - a mathematical game for every day during the
run-up to Christmas.
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
A Sudoku that uses transformations as supporting clues.
Two sudokus in one. Challenge yourself to make the necessary
Solve this Sudoku puzzle whose clues are in the form of sums of the
numbers which should appear in diagonal opposite cells.
A game for 2 players. Draw a daisy with at least 5 petals. Shade 1 or 2 petals next to each other. The winner shades the last petal.
This second Sudoku article discusses "Corresponding Sudokus" which are pairs of Sudokus with terms that can be matched using a substitution rule.
Here are a collection of games from around the world to try during the holidays or the last few weeks of term.
A Sudoku with clues as ratios or fractions.
Given the products of diagonally opposite cells - can you complete this Sudoku?
Four numbers on an intersection that need to be placed in the
surrounding cells. That is all you need to know to solve this
Can you identify the mathematicians?
A Sudoku with clues as ratios.
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.
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 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. . . .
This is a challenging game of strategy for two players with many interesting variations.
This pair of linked Sudokus matches letters with numbers and hides a seasonal greeting. Can you find it?
A Sudoku with a twist.
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 complicated game played on a 9 x 9 checkered grid.
Can you be the first to complete a row of three?
Advent Calendar 2010 - a mathematical game for every day during the run-up to Christmas.
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 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 shunting puzzle for 1 person. Swop the positions of the counters at the top and bottom of the board.
A game for 2 players. This could be played outside with people instead of counters. Try to trap or escape from your opponent.
Totality game for an adult and child. Be the first to reach your agreed total.
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. Using 2 dice, some counters and a games board, can you form a line of counters from one side of the board to the other?
A game for 1 person to play on screen. Practise your number bonds
whilst improving your memory
A game for two people, who take turns to move the counters. The player to remove the last counter from the board wins.
A fun game for two. You'll need some counters.
Board Block Challenge game for an adult and child. Can you prevent your partner from being able to make a shape?
This sudoku requires you to have "double vision" - two Sudoku's for the price of one
A number card game for 2-6 players.
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?
Nim-7 game for an adult and child. Who will be the one to take the last counter?
Square It game for an adult and child. Can you come up with a way of always winning this game?
Match the cards of the same value.
Investigations based on an Indian game.
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.