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In the Playground

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

The Hair Colour Game

Stage: 1 Challenge Level: Challenge Level:2 Challenge Level:2
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.