Being collaborative

problem
Dicey addition

Age

5 to 11

Challenge level

In these addition games, you'll need to think strategically to get closest to the target.
problem
Place your orders

Age

11 to 14

Challenge level

Can you rank these sets of quantities in order, from smallest to largest? Can you provide convincing evidence for your rankings?
problem
Fill me up

Age

11 to 14

Challenge level

Can you sketch graphs to show how the height of water changes in different containers as they are filled?
problem
Bryony's triangle

Age

7 to 11

Challenge level

Watch the video to see how to fold a square of paper to create a flower. What fraction of the piece of paper is the small triangle?
problem
Which is bigger?

Age

14 to 16

Challenge level

Which is bigger, n+10 or 2n+3? Can you find a good method of answering similar questions?
problem
Journeys in Numberland

Age

7 to 11

Challenge level

Tom and Ben visited Numberland. Use the maps to work out the number of points each of their routes scores.
problem
The add and take-away path

Age

5 to 7

Challenge level

Two children made up a game as they walked along the garden paths. Can you find out their scores? Can you find some paths of your own?
problem
What does random look like?

Age

11 to 14

Challenge level

Engage in a little mathematical detective work to see if you can spot the fakes.
problem
Inky cube

Age

7 to 14

Challenge level

This cube has ink on each face which leaves marks on paper as it is rolled. Can you work out what is on each face and the route it has taken?
problem
Sociable cards

Age

11 to 14

Challenge level

Move your counters through this snake of cards and see how far you can go. Are you surprised by where you end up?