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How Random!

Explore this interactivity and see if you can work out what it does. Could you use it to estimate the area of a shape?

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What can you see? What do you notice? What questions can you ask?

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Advent Calendar 2009

A collection of our favourite pictorial problems, one for each day of Advent.

What Shape?

Age 7 to 14 Challenge Level:
Have you found out anything about the number of sides the shape has?
Do you know anything about the angles of the shape?