Can you work out how to win this game of Nim? Does it matter if you go first or second?
Can you discover whether this is a fair game?
Can you explain the strategy for winning this game with any target?
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 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 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 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. . . .
To avoid losing think of another very well known game where the
patterns of play are similar.
A Sudoku that uses transformations as supporting clues.
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.
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 loser is the player who takes the last counter.
Interactive game. Set your own level of challenge, practise your table skills and beat your previous best score.
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.
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 Sudoku with a twist.
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
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.
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.
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
This pair of linked Sudokus matches letters with numbers and hides a seasonal greeting. Can you find it?
An article for teachers and pupils that encourages you to look at the mathematical properties of similar games.
Here is a solitaire type environment for you to experiment with. Which targets can you reach?
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. . . .
Given the products of diagonally opposite cells - can you complete this Sudoku?
A Sudoku based on clues that give the differences between adjacent cells.
Two sudokus in one. Challenge yourself to make the necessary
A collection of games on the NIM theme
A game for two people, who take turns to move the counters. The player to remove the last counter from the board wins.
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.
Take turns to place a decimal number on the spiral. Can you get three consecutive numbers?
This sudoku requires you to have "double vision" - two Sudoku's for the price of one
A Sudoku with clues given as sums of entries.
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.
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.
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 second Sudoku article discusses "Corresponding Sudokus" which are pairs of Sudokus with terms that can be matched using a substitution rule.
A Sudoku with clues as ratios or fractions.
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 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.
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 spot the similarities between this game and other games you know? The aim is to choose 3 numbers that total 15.
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.
Advent Calendar 2010 - a mathematical game for every day during the
run-up to Christmas.
A simple game of patience which often comes out. Can you explain
Spiralling Decimals game for an adult and child. Can you get three decimals next to each other on the spiral before your partner?