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?

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

A game for 2 players. Using 2 dice, some counters and a games board, can you form a line of counters from one side of the board to the other?

Many natural systems appear to be in equilibrium until suddenly a critical point is reached, setting up a mudslide or an avalanche or an earthquake. In this project, students will use a simple. . . .

Dicey Operations for an adult and child. Can you get close to 1000 than your partner?

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

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

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?

Calculate the fractional amounts of money to match pairs of cards with the same value.

A game for 2 or more people. Starting with 100, subratct a number from 1 to 9 from the total. You score for making an odd number, a number ending in 0 or a multiple of 6.

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.

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?

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.

What might your first lesson with a new class look like? In this article, Cherri Moseley makes some suggestions for primary teachers.

A game for 2 or more players with a pack of cards. Practise your skills of addition, subtraction, multiplication and division to hit the target score.

A game to be played against the computer, or in groups. Pick a 7-digit number. A random digit is generated. What must you subract to remove the digit from your number? the first to zero wins.

Practise your tables skills and try to beat your previous best score in this interactive game.

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

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.

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. . . .

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.

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

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

A game for two people that can be played with pencils and paper. Combine your knowledge of coordinates with some strategic thinking.

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.

An interactive activity for one to experiment with a tricky tessellation

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

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.

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 players. Given an arrangement of matchsticks, players take it is turns to remove a matchstick, along with all of the matchsticks that touch it.

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 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.

A game for 2 players. Practises subtraction or other maths operations knowledge.

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

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

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

This article outlines how strategy games can help children develop logical thinking, using examples from the NRICH website.

Practise your number bonds whilst improving your memory in this matching pairs game.

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

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

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

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

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

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

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

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.