This activity challenges you to make collections of shapes. Can you
give your collection a name?
What shape is the overlap when you slide one of these shapes half way across another? Can you picture it in your head? Use the interactivity to check your visualisation.
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?
Mr Gilderdale is playing a game with his class. What rule might he have chosen? How would you test your idea?
Use the interactivity to sort these numbers into sets. Can you give
each set a name?
Explore this interactivity and see if you can work out what it
does. Could you use it to estimate the area of a shape?
Choose 13 spots on the grid. Can you work out the scoring system? What is the maximum possible score?
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?
Complete the squares - but be warned some are trickier than they
If you can post the triangle with either the blue or yellow colour face up, how many ways can it be posted altogether?
Can you put these shapes in order of size? Start with the smallest.
Investigate which numbers make these lights come on. What is the smallest number you can find that lights up all the lights?
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?
What is the greatest number of squares you can make by overlapping
Sort the houses in my street into different groups. Can you do it in any other ways?
How many different ways can you find to join three equilateral triangles together? Can you convince us that you have found them all?
Three beads are threaded on a circular wire and are coloured either red or blue. Can you find all four different combinations?
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?
Can you fit the tangram pieces into the outline of this telephone?
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.
Use the information about Sally and her brother to find out how many children there are in the Brown family.
How many triangles can you make using sticks that are 3cm, 4cm and 5cm long?
Start by putting one million (1 000 000) into the display of your
calculator. Can you reduce this to 7 using just the 7 key and add,
subtract, multiply, divide and equals as many times as you like?
Is it possible to place 2 counters on the 3 by 3 grid so that there
is an even number of counters in every row and every column? How
about if you have 3 counters or 4 counters or....?
Work out the fractions to match the cards with the same amount of
How many right angles can you make using two sticks?
Players take it in turns to choose a dot on the grid. The winner is the first to have four dots that can be joined to form a square.
Try to stop your opponent from being able to split the piles of counters into unequal numbers. Can you find a strategy?
Yasmin and Zach have some bears to share. Which numbers of bears
can they share so that there are none left over?
Imagine a wheel with different markings painted on it at regular
intervals. Can you predict the colour of the 18th mark? The 100th
Can you fit the tangram pieces into the outlines of these clocks?
Try this interactive strategy game for 2
A variant on the game Alquerque
How many different rhythms can you make by putting two drums on the
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 for 1 person. Can you work out how the dice must be rolled from the start position to the finish? Play on line.
An interactive activity for one to experiment with a tricky tessellation
How many times in twelve hours do the hands of a clock form a right
angle? Use the interactivity to check your answers.
A game for 2 people that everybody knows. You can play with a
friend or online. If you play correctly you never lose!
Exchange the positions of the two sets of counters in the least possible number of moves
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 can be played on line or with pens and paper. Combine your knowledege of coordinates with your skills of strategic thinking.
Can you fit the tangram pieces into the outline of the child walking home from school?
Match the halves.
Can you fit the tangram pieces into the outlines of these people?
Can you fit the tangram pieces into the outline of this brazier for roasting chestnuts?
Can you fit the tangram pieces into the outlines of the lobster, yacht and cyclist?
Can you fit the tangram pieces into the outlines of the chairs?
A game for 1 or 2 people. Use the interactive version, or play with friends. Try to round up as many counters as possible.
Play a dice game of chance