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?
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.
Take turns to place a decimal number on the spiral. Can you get three consecutive numbers?
This second Sudoku article discusses "Corresponding Sudokus" which are pairs of Sudokus with terms that can be matched using a substitution rule.
Some Games That May Be Nice or Nasty for an adult and child. Use your knowledge of place value to beat your oponent.
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 Sudoku that uses transformations as supporting clues.
Two sudokus in one. Challenge yourself to make the necessary
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?
Got It game for an adult and child. How can you play so that you know you will always win?
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...
Given the products of diagonally opposite cells - can you complete this Sudoku?
A simple game of patience which often comes out. Can you explain
This pair of linked Sudokus matches letters with numbers and hides a seasonal greeting. Can you find it?
Practise your diamond mining skills and your x,y coordination in this homage to Pacman.
Spiralling Decimals game for an adult and child. Can you get three decimals next to each other on the spiral before your partner?
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.
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...
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 1 person to play on screen. Practise your number bonds
whilst improving your memory
Can you spot the similarities between this game and other games you
know? The aim is to choose 3 numbers that total 15.
Investigations based on an Indian game.
A Sudoku based on clues that give the differences between adjacent cells.
How good are you at estimating angles?
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.
A Sudoku with clues as ratios.
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.
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 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. . . .
A game to make and play based on the number line.
A Sudoku with a twist.
A game that tests your understanding of remainders.
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. . . .
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.
Dicey Operations for an adult and child. Can you get close to 1000 than your partner?
Factors and Multiples game for an adult and child. How can you make sure you win this game?
A Sudoku with clues as ratios or fractions.
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.
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. . . .
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.
An activity based on the game 'Pelmanism'. Set your own level of challenge and beat your own previous best score.
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
This article shows how abstract thinking and a little number theory throw light on the scoring in the game Go.