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Triangle Animals

How many different ways can you find to join three equilateral triangles together? Can you convince us that you have found them all?

Triple Cubes

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

The Add and Take-away Path

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?

Order, Order!

Age 5 to 11
Challenge Level
How could you estimate each of the quantities?
What extra information might you need to find out?