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

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 Hair Colour Game

Age 5 to 7 Challenge Level:
It might help to have a group of friends to have a go at this problem with you.
How will you decide which three cubes to take?
You could make the tree diagram using cubes or you could draw it on paper.