Solve this Sudoku puzzle whose clues are in the form of sums of the
numbers which should appear in diagonal opposite cells.
Follow-up to the February Game Rules of FEMTO.
A game for two people, who take turns to move the counters. The player to remove the last counter from the board wins.
A new card game for two players.
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 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.
Given the products of diagonally opposite cells - can you complete this Sudoku?
A Sudoku with clues as ratios.
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.
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 Sudoku that uses transformations as supporting clues.
A game for two people, or play online. Given a target number, say 23, and a range of numbers to choose from, say 1-4, players take it in turns to add to the running total to hit their target.
A Sudoku with a twist.
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
First Connect Three game for an adult and child. Use the dice numbers and either addition or subtraction to get three numbers in a straight line.
Can you explain the strategy for winning this game with any target?
Two sudokus in one. Challenge yourself to make the necessary
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 pair of linked Sudokus matches letters with numbers and hides a seasonal greeting. Can you find it?
Can you spot the similarities between this game and other games you know? The aim is to choose 3 numbers that total 15.
A Sudoku with clues as ratios or fractions.
Can you be the first to complete a row of three?
A Sudoku based on clues that give the differences between adjacent cells.
A Sudoku with clues given as sums of entries.
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?
Can you work out how to win this game of Nim? Does it matter if you go first or second?
This second Sudoku article discusses "Corresponding Sudokus" which are pairs of Sudokus with terms that can be matched using a substitution rule.
This sudoku requires you to have "double vision" - two Sudoku's for the price of one
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.
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. . . .
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.
Investigations based on an Indian game.
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.
Gillian Hatch analyses what goes on when mathematical games are
used as a pedagogic device.
How good are you at estimating angles?
A simple game of patience which often comes out. Can you explain
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
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.
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.
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.
Here is a machine with four coloured lights. Can you develop a strategy to work out the rules controlling each light?
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?
Take turns to place a decimal number on the spiral. Can you get three consecutive numbers?
Spiralling Decimals game for an adult and child. Can you get three decimals next to each other on the spiral before your partner?
Use the tangram pieces to make our pictures, or to design some of