Hover your mouse over the counters to see which ones will be removed. Click to remove them. The winner is the last one to remove a counter. How you can make sure you win?

In this matching game, you have to decide how long different events take.

Here is a version of the game 'Happy Families' for you to make and play.

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

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.

A shunting puzzle for 1 person. Swop the positions of the counters at the top and bottom of the board.

An interactive activity for one to experiment with a tricky tessellation

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

In this game for two players, you throw two dice and find the product. How many shapes can you draw on the grid which have that area or perimeter?

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.

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 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. . . .

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.

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 or 2 people. Use the interactive version, or play with friends. Try to round up as many counters as possible.

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?

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

Can you make the birds from the egg tangram?

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.

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.

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

A train building game for two players. Can you be the one to complete the train?

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 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 is a challenging game of strategy for two players with many interesting variations.

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

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

Use your addition and subtraction skills, combined with some strategic thinking, to beat your partner at this game.

Train game for an adult and child. Who will be the first to make the train?

Who said that adding, subtracting, multiplying and dividing couldn't be fun?

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

Here are some games for you to play with an adult. They are all based on popular NRICH games.

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

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

Strike it Out game for an adult and child. Can you stop your partner from being able to go?

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

Factors and Multiples game for an adult and child. How can you make sure you win this game?

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.

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

In this game for two players, the idea is to take it in turns to choose 1, 3, 5 or 7. The winner is the first to make the total 37.

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

Here are some more upper primary strategy games for you to play.