Collect as many diamonds as you can by drawing three straight lines.

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 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 simple game of patience which often comes out. Can you explain why?

Take turns to place a decimal number on the spiral. Can you get three consecutive numbers?

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. . . .

This article, the second in the series, looks at some different types of games and the sort of mathematical thinking they can develop.

Slide the pieces to move Khun Phaen past all the guards into the position on the right from which he can escape to freedom.

This article supplies teachers with information that may be useful in better understanding the nature of games and their role in teaching and learning mathematics.

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. . . .

An activity based on the game 'Pelmanism'. Set your own level of challenge and beat your own previous best score.

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. . . .

A game to make and play based on the number line.

Here is a chance to play a version of the classic Countdown Game.

Can you spot the similarities between this game and other games you know? The aim is to choose 3 numbers that total 15.

Use the tangram pieces to make our pictures, or to design some of your own!

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.

Add or subtract the two numbers on the spinners and try to complete a row 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?

Nim-7 game for an adult and child. Who will be the one to take the last counter?

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.

To avoid losing think of another very well known game where the patterns of play are similar.

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 moves.

Got It game for an adult and child. How can you play so that you know you will always win?

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...

Some Games That May Be Nice or Nasty for an adult and child. Use your knowledge of place value to beat your opponent.

Can you explain the strategy for winning this game with any target?

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?

Everthing you have always wanted to do with dominoes! Some of these games are good for practising your mental calculation skills, and some are good for your reasoning skills.

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.

Two sudokus in one. Challenge yourself to make the necessary connections.

A game for two people, who take turns to move the counters. The player to remove the last counter from the board wins.

This pair of linked Sudokus matches letters with numbers and hides a seasonal greeting. Can you find it?

This game challenges you to locate hidden triangles in The White Box by firing rays and observing where the rays exit the Box.

A game for 2 people. Take turns joining two dots, until your opponent is unable to move.

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.

Four numbers on an intersection that need to be placed in the surrounding cells. That is all you need to know to solve this sudoku.

Play this game and see if you can figure out the computer's chosen number.

Two sudokus in one. Challenge yourself to make the necessary connections.

There are nasty versions of this dice game but we'll start with the nice ones...

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 off again?

A Sudoku based on clues that give the differences between adjacent cells.

A game in which players take it in turns to choose a number. Can you block your opponent?