This second Sudoku article discusses "Corresponding Sudokus" which are pairs of Sudokus with terms that can be matched using a substitution rule.
This pair of linked Sudokus matches letters with numbers and hides a seasonal greeting. Can you find it?
A Sudoku based on clues that give the differences between adjacent cells.
Two sudokus in one. Challenge yourself to make the necessary
A Sudoku that uses transformations as supporting clues.
This sudoku requires you to have "double vision" - two Sudoku's for
the price of one
Solve this Sudoku puzzle whose clues are in the form of sums of the
numbers which should appear in diagonal opposite cells.
A Sudoku with clues as ratios.
A Sudoku with clues given as sums of entries.
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
A Sudoku with clues as ratios or fractions.
A Sudoku with a twist.
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 game for 2 people. Take turns to move the counters 1, 2 or 3
spaces. The player to remove the last counter off the board wins.
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.
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 that tests your understanding of remainders.
A new card game for two players.
This is a simple version of an ancient game played all over the world. It is also called Mancala. What tactics will increase your chances of winning?
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.
Follow-up to the February Game Rules of FEMTO.
Can you identify the mathematicians?
A game for 2 people. Take turns joining two dots, until your opponent is unable to move.
A game in which players take it in turns to choose a number. Can you block your opponent?
Advent Calendar 2010 - a mathematical game for every day during the
run-up to Christmas.
This article shows how abstract thinking and a little number theory throw light on the scoring in the game Go.
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
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 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.
A game for 2 players
Practise your diamond mining skills and your x,y coordination in this homage to Pacman.
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.
Investigations based on an Indian game.
A game for 1 person to play on screen. Practise your number bonds
whilst improving your memory
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.
A simple game of patience which often comes out. Can you explain
Here is a solitaire type environment for you to experiment with. Which targets can you reach?
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. . . .
Match the cards of the same value.
A game to make and play based on the number line.
Slide the pieces to move Khun Phaen past all the guards into the position on the right from which he can escape to freedom.
Use the tangram pieces to make our pictures, or to design some of
Here is a machine with four coloured lights. Can you develop a strategy to work out the rules controlling each light?
Take turns to place a decimal number on the spiral. Can you get three consecutive numbers?
Interactive game. Set your own level of challenge, practise your table skills and beat your previous best score.
There are nasty versions of this dice game but we'll start with the nice ones...