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All Change

There are three versions of this challenge. The idea is to change the colour of all the spots on the grid. Can you do it in fewer throws of the dice?

How Tall?

A group of children are discussing the height of a tall tree. How would you go about finding out its height?

What's in a Name?

Age 5 to 7
Challenge Level

What is the same about the names Jamal and Jacob?

Is that a clue to which numbers they are?