Area and Perimeter

Front

What is the area?

Back

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

Front

What is the perimeter?

Back

The perimeter is the total distance around a shape, measured in linear units.

Front

What is the formula for the area of a rectangle?

Back

Area = length × width.

Front

What is the formula for the perimeter of a rectangle?

Back

Perimeter = 2 × (length + width).

Front

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

Back

15 sq cm.

Front

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

Back

16 cm.

Front

What unit is used to measure area?

Back

Square units (e.g., sq cm, sq m).

Front

What unit is used to measure perimeter?

Back

Linear units (e.g., cm, m, yd).

Front

If the area of a square is 36 sq units, what is the length of one side?

Back

6 units.

Front

If the perimeter of a square is 20 units, what is the length of one side?

Back

5 units.