Area & Perimeter

Front

What is the definition of Perimeter?

Back

Perimeter is the total distance around the outside of a shape.

Front

How do you calculate the Perimeter of a rectangle?

Back

Add the lengths of all four sides or use the formula: P = 2(length + width).

Front

What is the definition of Area?

Back

Area is the amount of space inside a shape.

Front

How do you calculate the Area of a rectangle?

Back

Multiply the length by the width: A = length × width.

Front

What units are used to measure Area?

Back

Area is measured in square units, like square centimeters (sq cm) or square yards (sq yd).

Front

What units are used to measure Perimeter?

Back

Perimeter is measured in linear units, like centimeters (cm) or yards (yd).

Front

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

Back

P = 2(5 cm + 3 cm) = 16 cm.

Front

If a rectangle has a length of 4 cm and a width of 2 cm, what is its Area?

Back

A = 4 cm × 2 cm = 8 sq cm.

Front

What is the Perimeter of a square with each side measuring 4 cm?

Back

P = 4 sides × 4 cm = 16 cm.

Front

What is the Area of a square with each side measuring 3 cm?

Back

A = 3 cm × 3 cm = 9 sq cm.