We think this 3x3 version of the game is often harder than the 5x5 version. Do you agree? If so, why do you think that might be?

Can you make the birds from the egg tangram?

You'll need two dice to play this game against a partner. Will Incey Wincey make it to the top of the drain pipe or the bottom of the drain pipe first?

Design your own scoring system and play Trumps with these Olympic Sport cards.

An interactive activity for one to experiment with a tricky tessellation

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.

Here are a collection of games from around the world to try during the holidays or the last few weeks of term.

Not all of us a bursting with creative game ideas, but there are several ways to go about creating a game that will assist even the busiest and most reluctant game designer.

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

A game for 2 players. Draw a daisy with at least 5 petals. Shade 1 or 2 petals next to each other. The winner shades the last petal.

Try this matching game which will help you recognise different ways of saying the same time interval.

A game for 2 players. This could be played outside with people instead of counters. Try to trap or escape from your opponent.

Interactive game. Set your own level of challenge, practise your table skills and beat your previous best score.

A game somewhat similar to 'noughts and crosses' on a much larger space.

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.

An interactive game to be played on your own or with friends. Imagine you are having a party. Each person takes it in turns to stand behind the chair where they will get the most chocolate.

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

Play this well-known game against the computer where each player is equally likely to choose scissors, paper or rock. Why not try the variations too?

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

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

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. . . .

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

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

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

Take it in turns to place a domino on the grid. One to be placed horizontally and the other vertically. Can you make it impossible for your opponent to play?

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

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.

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.

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.

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 1 person to develop stategy and shape and space awareness. 12 counters are placed on a board. Counters are removed one at a time. The aim is to be left with only 1 counter.

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

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.

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. . . .

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

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

An interactive game for 1 person. You are given a rectangle with 50 squares on it. Roll the dice to get a percentage between 2 and 100. How many squares is this? Keep going until you get 100. . . .

Try to stop your opponent from being able to split the piles of counters into unequal numbers. Can you find a strategy?

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?

This challenge is a game for two players. Choose two of the numbers to multiply or divide, then mark your answer on the number line. Can you get four in a row?

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.

Incey Wincey Spider game for an adult and child. Will Incey get to the top of the drainpipe?