Gillian Hatch analyses what goes on when mathematical games are used as a pedagogic device.

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

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.

In this article for teachers, Liz Woodham describes the criteria she uses to choose mathematical games for the classroom and shares some examples from NRICH.

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. . . .

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?

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 sudoku.

This second Sudoku article discusses "Corresponding Sudokus" which are pairs of Sudokus with terms that can be matched using a substitution rule.

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

Advent Calendar 2010 - a mathematical game for every day during the run-up to Christmas.

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

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.

All you need for this game is a pack of cards. While you play the game, think about strategies that will increase your chances of winning.

Solve this Sudoku puzzle whose clues are in the form of sums of the numbers which should appear in diagonal opposite cells.

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.

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?

A Sudoku with clues given as sums of entries.

This sudoku requires you to have "double vision" - two Sudoku's for the price of one

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

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

Here is a solitaire type environment for you to experiment with. Which targets can you reach?

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

Totality game for an adult and child. Be the first to reach your agreed total.

Board Block game for two. Can you stop your partner from being able to make a shape on the board?

Square It game for an adult and child. Can you come up with a way of always winning this game?

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. . . .

Practise your diamond mining skills and your x,y coordination in this homage to Pacman.

Work out the fractions to match the cards with the same amount of money.

Four Go game for an adult and child. Will you be the first to have four numbers in a row on the number line?

The game uses a 3x3 square board. 2 players take turns to play, either placing a red on an empty square, or changing a red to orange, or orange to green. The player who forms 3 of 1 colour in a line. . . .

Board Block Challenge game for an adult and child. Can you prevent your partner from being able to make a shape?

This is a game for 2 players. Each player has 4 counters each, and wins by blocking their opponent's counters. A good follow-on from two stones.

Spiralling Decimals game for an adult and child. Can you get three decimals next to each other on the spiral before your partner?

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

An article for teachers and pupils that encourages you to look at the mathematical properties of similar games.

A game for two or more players that uses a knowledge of measuring tools. Spin the spinner and identify which jobs can be done with the measuring tool shown.

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.

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.

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.