Use your addition and subtraction skills, combined with some strategic thinking, to beat your partner at this game.

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

How many possible necklaces can you find? And how do you know you've found them all?

Ben has five coins in his pocket. How much money might he have?

My cube has inky marks on each face. Can you find the route it has taken? What does each face look like?

Here are some arrangements of circles. How many circles would I need to make the next size up for each? Can you create your own arrangement and investigate the number of circles it needs?

What could the half time scores have been in these Olympic hockey matches?

There were chews for 2p, mini eggs for 3p, Chocko bars for 5p and lollypops for 7p in the sweet shop. What could each of the children buy with their money?

How could you put these three beads into bags? How many different ways can you do it? How could you record what you've done?

Three children are going to buy some plants for their birthdays. They will plant them within circular paths. How could they do this?

An activity centred around observations of dots and how we visualise number arrangement patterns.

This challenge involves eight three-cube models made from interlocking cubes. Investigate different ways of putting the models together then compare your constructions.

Ram divided 15 pennies among four small bags. He could then pay any sum of money from 1p to 15p without opening any bag. How many pennies did Ram put in each bag?

Sweets are given out to party-goers in a particular way. Investigate the total number of sweets received by people sitting in different positions.

An environment which simulates working with Cuisenaire rods.

Investigate the number of faces you can see when you arrange three cubes in different ways.

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.

This is a game in which your counters move in a spiral round the snail's shell. It is about understanding tens and units.

Are these statements relating to odd and even numbers always true, sometimes true or never true?

"Ip dip sky blue! Who's 'it'? It's you!" Where would you position yourself so that you are 'it' if there are two players? Three players ...?

This activity challenges you to decide on the 'best' number to use in each statement. You may need to do some estimating, some calculating and some research.

In how many different ways can you break up a stick of 7 interlocking cubes? Now try with a stick of 8 cubes and a stick of 6 cubes.

Use these four dominoes to make a square that has the same number of dots on each side.

This problem is designed to help children to learn, and to use, the two and three times tables.

Can you put these times on the clocks in order? You might like to arrange them in a circle.

What can you say about the child who will be first on the playground tomorrow morning at breaktime in your school?

Find a great variety of ways of asking questions which make 8.

Exploring the structure of a number square: how quickly can you put the number tiles in the right place on the grid?

Can you place these quantities in order from smallest to largest?

This activity is based on data in the book 'If the World Were a Village'. How will you represent your chosen data for maximum effect?

An investigation looking at doing and undoing mathematical operations focusing on doubling, halving, adding and subtracting.