How long does it take to brush your teeth? Can you find the matching length of time?

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

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.

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

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.

A game for 2 people that everybody knows. You can play with a friend or online. If you play correctly you never lose!

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?

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

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

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

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.

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

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?

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.

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

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

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

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

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

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

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

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.

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

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.

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

A game for 2 people. Use your skills of addition, subtraction, multiplication and division to blast the asteroids.

A Sudoku that uses transformations as supporting clues.

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

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.

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

An interactive activity for one to experiment with a tricky tessellation

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

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

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.

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

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

Have a go at this game which involves throwing two dice and adding their totals. Where should you place your counters to be more likely to win?

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.

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. . . .

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. . . .

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

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

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

Have a go at this game which has been inspired by the Big Internet Math-Off 2019. Can you gain more columns of lily pads than your opponent?