Here is a chance to play a version of the classic Countdown Game.
A game for 1 person to play on screen. Practise your number bonds whilst improving your memory
This article gives you a few ideas for understanding the Got It! game and how you might find a winning strategy.
There are nine teddies in Teddy Town - three red, three blue and three yellow. There are also nine houses, three of each colour. Can you put them on the map of Teddy Town according to the rules?
A game for 2 people that everybody knows. You can play with a friend or online. If you play correctly you never lose!
Can you spot the similarities between this game and other games you know? The aim is to choose 3 numbers that total 15.
Use the interactivities to fill in these Carroll diagrams. How do you know where to place the numbers?
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.
How have the numbers been placed in this Carroll diagram? Which labels would you put on each row and column?
What are the coordinates of the coloured dots that mark out the tangram? Try changing the position of the origin. What happens to the coordinates now?
Arrange the four number cards on the grid, according to the rules, to make a diagonal, vertical or horizontal line.
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.
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.
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. . . .
An interactive activity for one to experiment with a tricky tessellation
Choose four of the numbers from 1 to 9 to put in the squares so that the differences between joined squares are odd.
A card pairing game involving knowledge of simple ratio.
Ben and his mum are planting garlic. Use the interactivity to help you find out how many cloves of garlic they might have had.
Investigate the smallest number of moves it takes to turn these mats upside-down if you can only turn exactly three at a time.
Place the numbers from 1 to 9 in the squares below so that the difference between joined squares is odd. How many different ways can you do this?
A generic circular pegboard resource.
Move just three of the circles so that the triangle faces in the opposite direction.
A game for 2 people that can be played on line or with pens and paper. Combine your knowledege of coordinates with your skills of strategic thinking.
Starting with the number 180, take away 9 again and again, joining up the dots as you go. Watch out - don't join all the dots!
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.
A train building game for 2 players.
Find out what a "fault-free" rectangle is and try to make some of your own.
An animation that helps you understand the game of Nim.
If you have only four weights, where could you place them in order to balance this equaliser?
Twenty four games for the run-up to Christmas.
Train game for an adult and child. Who will be the first to make the train?
Choose 13 spots on the grid. Can you work out the scoring system? What is the maximum possible score?
Our 2008 Advent Calendar has a 'Making Maths' activity for every day in the run-up to Christmas.
Can you work out how to balance this equaliser? You can put more than one weight on a hook.
Can you see why 2 by 2 could be 5? Can you predict what 2 by 10 will be?
Try to stop your opponent from being able to split the piles of counters into unequal numbers. Can you find a strategy?
Interactive game. Set your own level of challenge, practise your table skills and beat your previous best score.
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.
Arrange any number of counters from these 18 on the grid to make a rectangle. What numbers of counters make rectangles? How many different rectangles can you make with each number of counters?
Work out the fractions to match the cards with the same amount of money.
Ahmed has some wooden planks to use for three sides of a rabbit run against the shed. What quadrilaterals would he be able to make with the planks of different lengths?
If there are 3 squares in the ring, can you place three different numbers in them so that their differences are odd? Try with different numbers of squares around the ring. What do you notice?
A game for 1 or 2 people. Use the interactive version, or play with friends. Try to round up as many counters as possible.
A variant on the game Alquerque
Watch this film carefully. Can you find a general rule for explaining when the dot will be this same distance from the horizontal axis?
Can you fit the tangram pieces into the outline of Little Ming?
NRICH December 2006 advent calendar - a new tangram for each day in the run-up to Christmas.
Cut four triangles from a square as shown in the picture. How many different shapes can you make by fitting the four triangles back together?
This was a problem for our birthday website. Can you use four of these pieces to form a square? How about making a square with all five pieces?
Place six toy ladybirds into the box so that there are two ladybirds in every column and every row.