Try out the lottery that is played in a far-away land. What is the
chance of winning?
Interactive game. Set your own level of challenge, practise your table skills and beat your previous best score.
A game for 1 person to play on screen. Practise your number bonds
whilst improving your memory
Practise your diamond mining skills and your x,y coordination in this homage to Pacman.
A game for 2 people that everybody knows. You can play with a
friend or online. If you play correctly you never lose!
Use the interactivity or play this dice game yourself. How could
you make it fair?
Can you spot the similarities between this game and other games you know? The aim is to choose 3 numbers that total 15.
Identical discs are flipped in the air. You win if all of the faces
show the same colour. Can you calculate the probability of winning
with n discs?
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?
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.
Meg and Mo still need to hang their marbles so that they balance,
but this time the constraints are different. Use the interactivity
to experiment and find out what they need to do.
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?
Try to stop your opponent from being able to split the piles of counters into unequal numbers. Can you find a strategy?
Watch this film carefully. Can you find a general rule for
explaining when the dot will be this same distance from the
Train game for an adult and child. Who will be the first to make the train?
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.
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?
Can you locate the lost giraffe? Input coordinates to help you
search and find the giraffe in the fewest guesses.
A card pairing game involving knowledge of simple ratio.
Exchange the positions of the two sets of counters in the least possible number of moves
Mr McGregor has a magic potting shed. Overnight, the number of
plants in it doubles. He'd like to put the same number of plants in
each of three gardens, planting one garden each day. Can he do it?
Can you fit the tangram pieces into the outline of Little Ming?
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. . . .
Place six toy ladybirds into the box so that there are two ladybirds in every column and every row.
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.
Investigate how the four L-shapes fit together to make an enlarged
L-shape. You could explore this idea with other shapes too.
This article gives you a few ideas for understanding the Got It! game and how you might find a winning strategy.
Using angular.js to bind inputs to outputs
An interactive activity for one to experiment with a tricky tessellation
A game for 1 person. Can you work out how the dice must be rolled from the start position to the finish? Play on line.
How can the same pieces of the tangram make this bowl before and after it was chipped? Use the interactivity to try and work out what is going on!
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?
An activity based on the game 'Pelmanism'. Set your own level of challenge and beat your own previous best score.
A game for 1 or 2 people. Use the interactive version, or play with friends. Try to round up as many counters as possible.
Six balls of various colours are randomly shaken into a trianglular
arrangement. What is the probability of having at least one red in
The idea of this game is to add or subtract the two numbers on the dice and cover the result on the grid, trying to get a line of three. Are there some numbers that are good to aim for?
Our 2008 Advent Calendar has a 'Making Maths' activity for every
day in the run-up to Christmas.
How many different triangles can you make which consist of the
centre point and two of the points on the edge? Can you work out
each of their angles?
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.
Mo has left, but Meg is still experimenting. Use the interactivity
to help you find out how she can alter her pouch of marbles and
still keep the two pouches balanced.
Here is a chance to play a version of the classic Countdown Game.
A train building game for 2 players.
Find out what a "fault-free" rectangle is and try to make some of
Learn how to use the Shuffles interactivity by running through these tutorial demonstrations.
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?
Meg and Mo need to hang their marbles so that they balance. Use the
interactivity to experiment and find out what they need to do.
Choose 13 spots on the grid. Can you work out the scoring system? What is the maximum possible score?
Can you see why 2 by 2 could be 5? Can you predict what 2 by 10
A generic circular pegboard resource.
NRICH December 2006 advent calendar - a new tangram for each day in
the run-up to Christmas.