Area and Perimeter of Rectangles

Front

What is the Area of a rectangle?

Back

The Area of a rectangle is the amount of space inside it, calculated by multiplying its length by its width.

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Front

What is the Perimeter of a rectangle?

Back

The Perimeter of a rectangle is the total distance around it, calculated by adding together the lengths of all four sides.

Tags

CCSS.3.MD.D.8

Front

How do you calculate the Area of a rectangle?

Back

Area = Length × Width.

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Front

How do you calculate the Perimeter of a rectangle?

Back

Perimeter = 2 × (Length + Width).

Tags

CCSS.4.MD.A.3

Front

If a rectangle has a length of 5 units and a width of 4 units, what is its Area?

Back

Area = 5 × 4 = 20 square units.

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Front

If a rectangle has a length of 5 units and a width of 4 units, what is its Perimeter?

Back

Perimeter = 2 × (5 + 4) = 18 units.

Tags

CCSS.4.MD.A.3

Front

What is the unit of measurement for Area?

Back

Square units (e.g., square meters, square centimeters).

Tags

CCSS.3.MD.C.6

Front

What is the unit of measurement for Perimeter?

Back

Linear units (e.g., meters, centimeters).

Front

If a rectangle has an Area of 28 square units and a width of 4 units, what is its length?

Back

Length = Area ÷ Width = 28 ÷ 4 = 7 units.

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Front

If a rectangle has a Perimeter of 24 units and a length of 10 units, what is its width?

Back

Width = (Perimeter ÷ 2) - Length = (24 ÷ 2) - 10 = 2 units.

Tags

CCSS.4.MD.A.3