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.
Help the bee to build a stack of blocks far enough to save his
friend trapped in the tower.
Practise your diamond mining skills and your x,y coordination in this homage to Pacman.
A game in which players take it in turns to try to draw
quadrilaterals (or triangles) with particular properties. Is it
possible to fill the game grid?
Two sudokus in one. Challenge yourself to make the necessary
There are nasty versions of this dice game but we'll start with the nice ones...
A game for 2 players
All you need for this game is a pack of cards. While you play the
game, think about strategies that will increase your chances of
The game of go has a simple mechanism. This discussion of the principle of two eyes in go has shown that the game does not depend on equally clear-cut concepts.
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.
Slide the pieces to move Khun Phaen past all the guards into the position on the right from which he can escape to freedom.
Solve this Sudoku puzzle whose clues are in the form of sums of the
numbers which should appear in diagonal opposite cells.
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 new card game for two players.
Can you spot the similarities between this game and other games you know? The aim is to choose 3 numbers that total 15.
Can you beat the computer in the challenging strategy game?
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.
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. . . .
A Sudoku with clues as ratios.
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 Sudoku with a twist.
Here is a solitaire type environment for you to experiment with. Which targets can you reach?
A game to make and play based on the number line.
A game for 2 or more people, based on the traditional card game
Rummy. Players aim to make two `tricks', where each trick has to
consist of a picture of a shape, a name that describes that shape,
and. . . .
This pair of linked Sudokus matches letters with numbers and hides a seasonal greeting. Can you find it?
Collect as many diamonds as you can by drawing three straight lines.
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.
A game that tests your understanding of remainders.
Follow-up to the February Game Rules of FEMTO.
A simple game for 2 players invented by John Conway. It is played
on a 3x3 square board with 9 counters that are black on one side
and white on the other.
Four numbers on an intersection that need to be placed in the
surrounding cells. That is all you need to know to solve this
This article explains the use of the idea of connectedness in networks, in two different ways, to bring into focus the basics of the game of Go, namely capture and territory.
A simple game of patience which often comes out. Can you explain
Use the tangram pieces to make our pictures, or to design some of
A Sudoku that uses transformations as supporting clues.
How good are you at estimating angles?
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.
Investigations based on an Indian game.
A Sudoku based on clues that give the differences between adjacent cells.
A game for 2 people. Take turns joining two dots, until your opponent is unable to move.
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.
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?
A game for 1 person to play on screen. Practise your number bonds
whilst improving your memory
Spiralling Decimals game for an adult and child. Can you get three decimals next to each other on the spiral before your partner?
This sudoku requires you to have "double vision" - two Sudoku's for the price of one
A game in which players take it in turns to turn up two cards. If
they can draw a triangle which satisfies both properties they win
the pair of cards. And a few challenging questions to follow...