A game to make and play based on the number line.
Use the tangram pieces to make our pictures, or to design some of
Can you beat Piggy in this simple dice game? Can you figure out
Piggy's strategy, and is there a better one?
Can you discover whether this is a fair game?
An article for teachers and pupils that encourages you to look at the mathematical properties of similar games.
Two sudokus in one. Challenge yourself to make the necessary
Start with any number of counters in any number of piles. 2 players
take it in turns to remove any number of counters from a single
pile. The winner is the player to take the last counter.
A collection of games on the NIM theme
This second Sudoku article discusses "Corresponding Sudokus" which are pairs of Sudokus with terms that can be matched using a substitution rule.
Match pairs of cards so that they have equivalent 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 that uses transformations as supporting clues.
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 Sudoku with clues as ratios.
Can you beat the computer in the challenging strategy game?
Help the bee to build a stack of blocks far enough to save his
friend trapped in the tower.
Match the cards of the same value.
A game for 2 players with similaritlies to NIM. Place one counter on each spot on the games board. Players take it is turns to remove 1 or 2 adjacent counters. The winner picks up the last counter.
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 players. Set out 16 counters in rows of 1,3,5 and 7. Players take turns to remove any number of counters from a row. The player left with the last counter looses.
This pair of linked Sudokus matches letters with numbers and hides a seasonal greeting. Can you find it?
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.
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 game in which players take it in turns to choose a number. Can you block your opponent?
A Sudoku with clues given as sums of entries.
Here is a solitaire type environment for you to experiment with. Which targets can you reach?
A Sudoku with a twist.
This sudoku requires you to have "double vision" - two Sudoku's for the price of one
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...
Can you be the first to complete a row of three?
A card pairing game involving knowledge of simple ratio.
Slide the pieces to move Khun Phaen past all the guards into the position on the right from which he can escape to freedom.
A train building game for 2 players.
Some puzzles requiring no knowledge of knot theory, just a careful
inspection of the patterns. A glimpse of the classification of
knots and a little about prime knots, crossing numbers and. . . .
A shape and space game for 2,3 or 4 players. Be the last person to be able to place a pentomino piece on the playing board. Play with card, or on the computer.
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.
Many natural systems appear to be in equilibrium until suddenly a critical point is reached, setting up a mudslide or an avalanche or an earthquake. In this project, students will use a simple. . . .
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.
This article invites you to get familiar with a strategic game called "sprouts". The game is simple enough for younger children to understand, and has also provided experienced mathematicians with. . . .
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 interactive activity for one to experiment with a tricky tessellation
Use your addition and subtraction skills, combined with some strategic thinking, to beat your partner at this game.
A game for two or more players that uses a knowledge of measuring
tools. Spin the spinner and identify which jobs can be done with
the measuring tool shown.
A game for 1 or 2 people. Use the interactive version, or play with friends. Try to round up as many counters as possible.
Work out the fractions to match the cards with the same amount of
Can you make the birds from the egg tangram?
We think this 3x3 version of the game is often harder than the 5x5 version. Do you agree? If so, why do you think that might be?