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Area

We measure area in square centimetres - cm².

Area is the amount of space inside a given shape.

Area

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Can you find the area of the green rectangle by counting the squares?

Imagine each of these squares is 1cm × 1cm.

That means the area of each little square is 1cm². (Just like the blue square!)

Can you find the area of the pink shape?

1cm²

32cm²

15cm²

cm²

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Some shapes are difficult to count exactly because they don’t fill up whole squares. The easy way to remember is to count the whole squares first. Add any squares which fill half or more and ignore the squares which cover less than half the square.

1cm²

Have a go at finding the area of these 2 shapes. Share your ideas with the class.

Strange Shapes

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Because we didn’t know the exact area for the two previous sides, we made a guess. This is called an estimate. We didn't just randomly guess, though; we used our knowledge and skills and made an educated guess.

1cm²

Estimating

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Can you estimate the area of this shape?

1cm²

Check the area by counting the squares.

Estimate

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Can you estimate the area of this shape?

1cm²

Check the area by counting the squares.

Estimate

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Can you estimate the area of this shape?

1cm²

Check the area by counting the squares.

Estimate

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Can you estimate the area of this shape?

1cm²

Check the area by counting the squares.

Estimate

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