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, measured in linear units.

Front

How do you calculate the area of a rectangle?

Back

Area = length × width.

Front

How do you calculate the perimeter of a rectangle?

Back

Perimeter = 2 × (length + width).

Front

What is the area of a rectangle with a length of 5 in. and a width of 3 in.?

Back

Area = 5 in. × 3 in. = 15 square inches.

Front

What is the perimeter of a rectangle with a length of 5 in. and a width of 3 in.?

Back

Perimeter = 2 × (5 in. + 3 in.) = 16 inches.

Front

What is the formula for the area of a square?

Back

Area = side × side.

Front

What is the formula for the perimeter of a square?

Back

Perimeter = 4 × side.

Front

If one side of a square is 4 in., what is its area?

Back

Area = 4 in. × 4 in. = 16 square inches.

Front

If one side of a square is 4 in., what is its perimeter?

Back

Perimeter = 4 × 4 in. = 16 inches.