Use the Cuisenaire rods environment to investigate ratio. Can you
find pairs of rods in the ratio 3:2? How about 9:6?
A card pairing game involving knowledge of simple ratio.
Choose the size of your pegboard and the shapes you can make. Can
you work out the strategies needed to block your opponent?
An interactive activity for one to experiment with a tricky tessellation
Find out how we can describe the "symmetries" of this triangle and
investigate some combinations of rotating and flipping it.
Move just three of the circles so that the triangle faces in the
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!
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 put the 25 coloured tiles into the 5 x 5 square so that no
column, no row and no diagonal line have tiles of the same colour
A generic circular pegboard resource.
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 to find out how many quarter turns the man
must rotate through to look like each of the pictures.
Choose 13 spots on the grid. Can you work out the scoring system? What is the maximum possible score?
Can you cover the camel with these pieces?
What happens when you try and fit the triomino pieces into these
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?
An odd version of tic tac toe
Use your mouse to move the red and green parts of this disc. Can
you make images which show the turnings described?
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. . . .
Investigate how the four L-shapes fit together to make an enlarged
L-shape. You could explore this idea with other shapes too.
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!
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?
Choose a symbol to put into the number sentence.
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?
Match the halves.
Work out the fractions to match the cards with the same amount of
How many right angles can you make using two sticks?
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?
Can you see why 2 by 2 could be 5? Can you predict what 2 by 10
Twenty four games for the run-up to Christmas.
A train building game for 2 players.
Complete the squares - but be warned some are trickier than they
Our 2008 Advent Calendar has a 'Making Maths' activity for every
day in the run-up to Christmas.
If you can post the triangle with either the blue or yellow colour face up, how many ways can it be posted altogether?
Try to stop your opponent from being able to split the piles of counters into unequal numbers. Can you find a strategy?
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.
Can you make a cycle of pairs that add to make a square number
using all the numbers in the box below, once and once only?
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.
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.
Use the clues to colour each square.
Hover your mouse over the counters to see which ones will be
removed. Click to remover them. The winner is the last one to
remove a counter. How you can make sure you win?
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?
Imagine a wheel with different markings painted on it at regular
intervals. Can you predict the colour of the 18th mark? The 100th
Three beads are threaded on a circular wire and are coloured either red or blue. Can you find all four different combinations?
Play this well-known game against the computer where each player is
equally likely to choose scissors, paper or rock. Why not try the
Take it in turns to make a triangle on the pegboard. Can you block
Sort the houses in my street into different groups. Can you do it in any other ways?
Watch this film carefully. Can you find a general rule for
explaining when the dot will be this same distance from the
Can you sort these triangles into three different families and explain how you did it?
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?