Teaching shapes.

This part is for children aged 3-5

This is a rectangle

This is a circle

This is an ellipse

This is a triangle

This part is for children aged 12

Look at the rectangle and follow along with the explanations to work the perimeter.

If the rectangle has sides that measure 5cm+5cm+8cm+8cm the perimeter would be = 26cm

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If the rectangle had sides that measured 6cm+6cm+10+cm+10cm the perimeter would be = 32cm

Working out the circumference of a circle.

For any circle with a diameter, d, the circumference, c , is found by formula C = pie*d

C=pie*d
=3.14*8
=25.12cm

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Working out the area of a circle.

For any circle with a radius, r, the area, A, is found using the formula A=pie(3.14)*r(*2) 

A=pie*r(squared)
=3.14*3*3
=28.26cm(squared)

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