L52_Area of Rectangles

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Where in real life do we find or use area?

To build a dog house.

To put flooring in a home.

To lay grass down on a football field.

To add a garden to you back yard.

4.MD.3
PPT

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Let’s do another example:

The formula: l x w = Area

8cm x 4cm = 32 cm2

8cm

4cm

➢ In this example they tell us the length and the width so we

don’t have to count or measure.

4.MD.3
PPT

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Let’s do another example:

Now we have a missing side.

What do we do?

24 cm2

6cm

?

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Let’s do another example:

The top measurement is missing.

What do we do?

45 cm2

5 cm

?

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➢

Perimeter is the fence AROUND a
shape.

➢

Area is the space inside a 2-D
shape.