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 Sudoku based on clues that give the differences between adjacent cells.
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.
Two sudokus in one. Challenge yourself to make the necessary
A Sudoku that uses transformations as supporting clues.
This pair of linked Sudokus matches letters with numbers and hides a seasonal greeting. Can you find it?
There are nasty versions of this dice game but we'll start with the nice ones...
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
Take turns to place a decimal number on the spiral. Can you get three consecutive numbers?
Given the products of diagonally opposite cells - can you complete this Sudoku?
Practise your diamond mining skills and your x,y coordination in this homage to Pacman.
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. . . .
Interactive game. Set your own level of challenge, practise your table skills and beat your previous best score.
Can you spot the similarities between this game and other games you
know? The aim is to choose 3 numbers that total 15.
A simple game of patience which often comes out. Can you explain
A Sudoku with clues as ratios.
A Sudoku with a twist.
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 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.
Here is a solitaire type environment for you to experiment with. Which targets can you reach?
Four numbers on an intersection that need to be placed in the
surrounding cells. That is all you need to know to solve this
Investigations based on an Indian game.
How good are you at estimating angles?
A game for 1 person to play on screen. Practise your number bonds
whilst improving your memory
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.
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 Sudoku with clues as ratios or fractions.
Who said that adding, subtracting, multiplying and dividing
couldn't be fun?
A game that tests your understanding of remainders.
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 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. . . .
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 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.
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.
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.
Collect as many diamonds as you can by drawing three straight
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.
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
Advent Calendar 2010 - a mathematical game for every day during the
run-up to Christmas.
Here is a machine with four coloured lights. Can you develop a strategy to work out the rules controlling each light?
A game to make and play based on the number line.
Use the tangram pieces to make our pictures, or to design some of