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 square with a side length of 4 inches?

Back

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

Front

What is the perimeter of a square with a side length of 5 inches?

Back

Perimeter = 4 × 5 in. = 20 inches.

Front

If a rectangle has a length of 10 inches and a width of 3 inches, what is its area?

Back

Area = 10 in. × 3 in. = 30 square inches.

Front

If a rectangle has a length of 6 inches and a width of 2 inches, what is its perimeter?

Back

Perimeter = 2 × (6 in. + 2 in.) = 16 inches.

Front

What unit is used to measure area?

Back

Square units (e.g., square inches, square feet).

Front

What unit is used to measure perimeter?

Back

Linear units (e.g., inches, feet).