Area and Perimeter

Front

What is Area?

Back

Area is the amount of space inside a shape, measured in square units.

Front

What is Perimeter?

Back

Perimeter is the distance around a shape, calculated by adding the lengths of all its sides.

Front

How do you calculate the area of a rectangle?

Back

Multiply the length by the width (Area = Length x Width).

Front

How do you calculate the perimeter of a rectangle?

Back

Add the lengths of all four sides (Perimeter = 2 x Length + 2 x Width).

Front

What units are used to measure area?

Back

Area is measured in square units, such as square centimeters (sq. cm) or square meters (sq. m).

Front

What units are used to measure perimeter?

Back

Perimeter is measured in linear units, such as centimeters (cm) or meters (m).

Front

If a rectangle has a length of 5 cm and a width of 3 cm, what is its area?

Back

15 sq. cm (Area = 5 cm x 3 cm).

Front

If a rectangle has a length of 5 cm and a width of 3 cm, what is its perimeter?

Back

16 cm (Perimeter = 2 x 5 cm + 2 x 3 cm).

Front

What do you need to measure to put carpet in a room?

Back

You need to measure the area of the room.

Front

What do you need to measure to build a fence around a yard?

Back

You need to measure the perimeter of the yard.