Area & Perimeter

Front

What is 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).

Tags

CCSS.4.MD.A.3

Front

What is 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.

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Front

What units are used for Perimeter?

Back

Perimeter is measured in linear units such as meters, centimeters, or feet.

Front

What units are used for Area?

Back

Area is measured in square units such as square meters, square centimeters, or square feet.

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.

Tags

CCSS.4.MD.A.3

Front

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

Back

A = 4 units × 2 units = 8 square units.

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Front

What is the Perimeter of a square with each side measuring 6 cm?

Back

P = 4 × 6 cm = 24 cm.

Tags

CCSS.4.MD.A.3

Front

What is the Area of a square with each side measuring 4 units?

Back

A = 4 units × 4 units = 16 square units.

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3