Can you use the numbers on the dice to reach your end of the number line before your partner beats you?

Incey Wincey Spider game for an adult and child. Will Incey get to the top of the drainpipe?

Investigate which numbers make these lights come on. What is the smallest number you can find that lights up all the lights?

Can you hang weights in the right place to make the equaliser balance?

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?

Mr Gilderdale is playing a game with his class. What rule might he have chosen? How would you test your idea?

Choose four of the numbers from 1 to 9 to put in the squares so that the differences between joined squares are odd.

Take it in turns to make a triangle on the pegboard. Can you block your opponent?

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?

Use the information about Sally and her brother to find out how many children there are in the Brown family.

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?

Move just three of the circles so that the triangle faces in the opposite direction.

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.

Can you complete this jigsaw of the multiplication square?

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?

If you can post the triangle with either the blue or yellow colour face up, how many ways can it be posted altogether?

Use the interactivity to find out how many quarter turns the man must rotate through to look like each of the pictures.

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?

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?

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?

These interactive dominoes can be dragged around the screen.

This 100 square jigsaw is written in code. It starts with 1 and ends with 100. Can you build it up?

Stop the Clock game for an adult and child. How can you make sure you always win this game?

Complete the squares - but be warned some are trickier than they look!

Use the interactivities to fill in these Carroll diagrams. How do you know where to place the numbers?

Can you sort these triangles into three different families and explain how you did it?

Here are some rods that are different colours. How could I make a dark green rod using yellow and white rods?

Can you work out how to balance this equaliser? You can put more than one weight on a hook.

How have the numbers been placed in this Carroll diagram? Which labels would you put on each row and column?

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?

Can you put the numbers from 1 to 15 on the circles so that no consecutive numbers lie anywhere along a continuous straight line?

Sort the houses in my street into different groups. Can you do it in any other ways?

Use the number weights to find different ways of balancing the equaliser.

Can you fit the tangram pieces into the outline of Little Ming playing the board game?

Can you see why 2 by 2 could be 5? Can you predict what 2 by 10 will be?

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?

This is a game for two players. Can you find out how to be the first to get to 12 o'clock?

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?

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 money.

Terry and Ali are playing a game with three balls. Is it fair that Terry wins when the middle ball is red?