Use the interactivity to move Mr Pearson and his dog. Can you move him so that the graph shows a curve?
A game for two or more players that uses a knowledge of measuring tools. Spin the spinner and identify which jobs can be done with the measuring tool shown.
Can you create a story that would describe the movement of the man shown on these graphs? Use the interactivity to try out our ideas.
How many times in twelve hours do the hands of a clock form a right angle? Use the interactivity to check your answers.
If you have only four weights, where could you place them in order to balance this equaliser?
Find out how we can describe the "symmetries" of this triangle and investigate some combinations of rotating and flipping it.
Choose four of the numbers from 1 to 9 to put in the squares so that the differences between joined squares are odd.
A generic circular pegboard resource.
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?
Complete the squares - but be warned some are trickier than they look!
Can you find all the different triangles on these peg boards, and find their angles?
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?
How have the numbers been placed in this Carroll diagram? Which labels would you put on each row and column?
Use the interactivity to help get a feel for this problem and to find out all the possible ways the balls could land.
Use the Cuisenaire rods environment to investigate ratio. Can you find pairs of rods in the ratio 3:2? How about 9:6?
This article gives you a few ideas for understanding the Got It! game and how you might find a winning strategy.
How many trains can you make which are the same length as Matt's, using rods that are identical?
Ben and his mum are planting garlic. Use the interactivity to help you find out how many cloves of garlic they might have had.
Can you put these shapes in order of size? Start with the smallest.
How many different ways can you find to join three equilateral triangles together? Can you convince us that you have found them all?
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?
Twenty four games for the run-up to Christmas.
Place six toy ladybirds into the box so that there are two ladybirds in every column and every row.
Can you make a train the same length as Laura's but using three differently coloured rods? Is there only one way of doing it?
Use the interactivity to find all the different right-angled triangles you can make by just moving one corner of the starting triangle.
Can you find all the different ways of lining up these Cuisenaire rods?
Can you use the numbers on the dice to reach your end of the number line before your partner beats you?
Move just three of the circles so that the triangle faces in the opposite direction.
Make one big triangle so the numbers that touch on the small triangles add to 10.
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....?
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?
How many different rhythms can you make by putting two drums on the wheel?
Here are some rods that are different colours. How could I make a dark green rod using yellow and white rods?
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?
How many right angles can you make using two sticks?
Hover your mouse over the counters to see which ones will be removed. Click to remove them. The winner is the last one to remove a counter. How you can make sure you win?
Use the information about Sally and her brother to find out how many children there are in the Brown family.
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?
How many triangles can you make using sticks that are 3cm, 4cm and 5cm long?
Can you see why 2 by 2 could be 5? Can you predict what 2 by 10 will be?
Use the interactivities to fill in these Carroll diagrams. How do you know where to place the numbers?
A tetromino is made up of four squares joined edge to edge. Can this tetromino, together with 15 copies of itself, be used to cover an eight by eight chessboard?
You have 4 red and 5 blue counters. How many ways can they be placed on a 3 by 3 grid so that all the rows columns and diagonals have an even number of red counters?
In your bank, you have three types of coins. The number of spots shows how much they are worth. Can you choose coins to exchange with the groups given to make the same total?
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?
Arrange the four number cards on the grid, according to the rules, to make a diagonal, vertical or horizontal line.
Can you work out how to balance this equaliser? You can put more than one weight on a hook.
A game for 2 people that everybody knows. You can play with a friend or online. If you play correctly you never lose!
This problem is based on a code using two different prime numbers less than 10. You'll need to multiply them together and shift the alphabet forwards by the result. Can you decipher the code?