Calculating the Area of a Rectangle

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.

We can count this, but it is quicker to work it out by doing

length x width


Example 1:

Area = 4 x 2

= 8 cm²


Example 2:

Area = 5 x 1

= 5 cm²


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