This is an opportunity to introduce some of the more unusual regular polygons to the children. Start by asking what shape the heptagon is composed of and have children estimate the number of triangles that are included. By beginning with triangles the children use a familiar shape and can discuss the properties of different types of triangles. If this page is printed, if would be practical to make several copies available to the children who can colour in different shapes to keep track of their findings. This will help as they look for other polygons.

Here are some of the first ones that I found:-

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