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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?

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Button-up

My coat has three buttons. How many ways can you find to do up all the buttons?

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More Children and Plants

This challenge extends the Plants investigation so now four or more children are involved.

Plants

Stage: 1 and 2 Challenge Level: Challenge Level:2 Challenge Level:2
How many plants have you got in each circle?
What could you do to make the correct totals?