Can you cover the camel with these pieces?
Use the interactivity to find out how many quarter turns the man must rotate through to look like each of the pictures.
How many different ways can you find to join three equilateral triangles together? Can you convince us that you have found them all?
Use your mouse to move the red and green parts of this disc. Can you make images which show the turnings described?
Complete the squares - but be warned some are trickier than they look!
What does the overlap of these two shapes look like? Try picturing it in your head and then use the interactivity to test your prediction.
Use the interactivity to help get a feel for this problem and to find out all the possible ways the balls could land.
Can you sort these triangles into three different families and explain how you did it?
How many different triangles can you draw on the dotty grid which each have one dot in the middle?
Create a pattern on the left-hand grid. How could you extend your pattern on the right-hand grid?
Can you hang weights in the right place to make the equaliser balance?
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?
Make one big triangle so the numbers that touch on the small triangles add to 10. You could use the interactivity to help you.
Can you complete this jigsaw of the 100 square?
Here are some rods that are different colours. How could I make a dark green rod using yellow and white rods?
Use the information about Sally and her brother to find out how many children there are in the Brown family.
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?
Can you use the numbers on the dice to reach your end of the number line before your partner beats you?
Mr Gilderdale is playing a game with his class. What rule might he have chosen? How would you test your idea?
There are three versions of this challenge. The idea is to change the colour of all the spots on the grid. Can you do it in fewer throws of the dice?
If you hang two weights on one side of this balance, in how many different ways can you hang three weights on the other side for it to be balanced?
An environment which simulates working with Cuisenaire rods.
Investigate which numbers make these lights come on. What is the smallest number you can find that lights up all the lights?
Use the number weights to find different ways of balancing the equaliser.
How many trains can you make which are the same length as Matt's, using rods that are identical?
Place the numbers 1 to 6 in the circles so that each number is the difference between the two numbers just below it.
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?
Choose four of the numbers from 1 to 9 to put in the squares so that the differences between joined squares are odd.
An odd version of tic tac toe
Ben and his mum are planting garlic. Use the interactivity to help you find out how many cloves of garlic they might have had.
Match the halves.
Twenty four games for the run-up to Christmas.
Use the interactivities to fill in these Carroll diagrams. How do you know where to place the numbers?
This 100 square jigsaw is written in code. It starts with 1 and ends with 100. Can you build it up?
Choose a symbol to put into the number sentence.
Stop the Clock game for an adult and child. How can you make sure you always win this game?
Incey Wincey Spider game for an adult and child. Will Incey get to the top of the drainpipe?
Can you work out how to balance this equaliser? You can put more than one weight on a hook.
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?
Try this interactive strategy game for 2
Move just three of the circles so that the triangle faces in the opposite direction.
Yasmin and Zach have some bears to share. Which numbers of bears can they share so that there are none left over?
If you can post the triangle with either the blue or yellow colour face up, how many ways can it be posted altogether?
Play this well-known game against the computer where each player is equally likely to choose scissors, paper or rock. Why not try the variations too?
How many right angles can you make using two sticks?
Take it in turns to make a triangle on the pegboard. Can you block your opponent?
A variant on the game Alquerque
Sort the houses in my street into different groups. Can you do it in any other ways?
Can you put these shapes in order of size? Start with the smallest.
This is a game for two players. Can you find out how to be the first to get to 12 o'clock?