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Calculating the area of compound rectilinear shapes: Introduced in the Year 5 curriculum as 'Calculate and compare the area of rectangles (including squares), and including using standard units, square centimetres (cm2 ) and square metres (m2 ) and the area of irregular shapes'

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The area of a shape is how many square cm are inside. A compound shape is 2 smaller shapes joined together.


To work out the total area, split the shape into the smaller shapes, work out the area of each, then add them together.

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Maths curriculum - Year 5 - Measurement 4 - Calculating the area of compound rectilinear shapes

Calculating the area of compound rectilinear shapes

Calculating the area of compound rectilinear shapes: Introduced in the Year 5 curriculum as 'Calculate and compare the area of rectangles (including squares), and including using standard units, square centimetres (cm2 ) and square metres (m2 ) and the area of irregular shapes'

The area of a shape is how many square cm are inside. A compound shape is 2 smaller shapes joined together.


To work out the total area, split the shape into the smaller shapes, work out the area of each, then add them together.

Now try a few practice questions!

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