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Using a formula, learn how to work out the area of a shape.
- three videos
- one interactive activity
- two worksheets
To work out the area of a square or rectangle, multiply its height by its width.
If the height and width are in cm, the area is shown in cm². If the height and width are in m, the area is shown in m².
A square with sides of 5 m has an area of 25 m², because 5 × 5 = 25.
There's more to learn
Have a look at these other resources around the BBC and the web.