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?
A train building game for 2 players.
A generic circular pegboard resource.
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.
Play this well-known game against the computer where each player is
equally likely to choose scissors, paper or rock. Why not try the
Our 2008 Advent Calendar has a 'Making Maths' activity for every
day in the run-up to Christmas.
NRICH December 2006 advent calendar - a new tangram for each day in
the run-up to Christmas.
Twenty four games for the run-up to Christmas.
Use the interactivity to find out how many quarter turns the man
must rotate through to look like each of the pictures.
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?
Try to stop your opponent from being able to split the piles of counters into unequal numbers. Can you find a strategy?
Match the halves.
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?
A card pairing game involving knowledge of simple ratio.
Complete the squares - but be warned some are trickier than they
An odd version of tic tac toe
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. . . .
Use the sightings of the lion to guess the location of its lair.
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?
Exchange the positions of the two sets of counters in the least possible number of moves
How have the numbers been placed in this Carroll diagram? Which labels would you put on each row and column?
A game for 2 people that everybody knows. You can play with a
friend or online. If you play correctly you never lose!
Using angular.js to bind inputs to outputs
Ben and his mum are planting garlic. Use the interactivity to help you find out how many cloves of garlic they might have had.
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?
Move just three of the circles so that the triangle faces in the
An interactive activity for one to experiment with a tricky tessellation
A variant on the game Alquerque
Choose 13 spots on the grid. Can you work out the scoring system? What is the maximum possible score?
What happens when you try and fit the triomino pieces into these
Can you cover the camel with these pieces?
What shaped overlaps can you make with two circles which are the
same size? What shapes are 'left over'? What shapes can you make
when the circles are different sizes?
Find out how we can describe the "symmetries" of this triangle and
investigate some combinations of rotating and flipping it.
Use the Cuisenaire rods environment to investigate ratio. Can you
find pairs of rods in the ratio 3:2? How about 9:6?
How many right angles can you make using two sticks?
If you can post the triangle with either the blue or yellow colour face up, how many ways can it be posted altogether?
Take it in turns to make a triangle on the pegboard. Can you block
Imagine a wheel with different markings painted on it at regular
intervals. Can you predict the colour of the 18th mark? The 100th
Use your mouse to move the red and green parts of this disc. Can
you make images which show the turnings described?
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!
Try this interactive strategy game for 2
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.
Choose the size of your pegboard and the shapes you can make. Can
you work out the strategies needed to block your opponent?
Three beads are threaded on a circular wire and are coloured either red or blue. Can you find all four different combinations?
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 game for 1 or 2 people. Use the interactive version, or play with friends. Try to round up as many counters as possible.
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?
The computer has made a rectangle and will tell you the number of spots it uses in total. Can you find out where the rectangle is?
Can you work out how to balance this equaliser? You can put more
than one weight on a hook.
Can you make the green spot travel through the tube by moving the
yellow spot? Could you draw a tube that both spots would follow?