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Shapes on the Playground

Age 7 to 11 Challenge Level:

Why do this problem?

This problem is one that would be suitable for learners who are looking at measurement, regular polygons or revising the addition and subtraction of numbers to 100. It requires logical thinking and careful reading of the questions asked.

Key questions

How long are each of the sides of every shape?
What is the perimeter of a hexagon/square/triangle/octagon?

What shapes does the problem say Ben drew?

Possible extension

Learners could make a table of their results.

Possible support

Suggest starting by drawing each the shapes and writing underneath how many metres the perimeter of each would be.