Area Unknown Length

What is the area of this rectangle?

• A = 24 cm

• A = 24 cm squared

• A = 11 cm

• A = 22 cm squared

The area is 6 square feet. Find the unknown.

w = ___ feet

Andrea is making a quilt in the shape of a rectangle. The length of the quilt will be 6 feet and the width will be 5 feet. What is the area of the quilt?

____ square feet

Find the unknown side. Use the area formula. 36 = l x w 36 = l x 6 The unknown is ​ (a)   inches.

• 6

• 5

• 4

• 7

• 8

• 30

Find the unknown side. Use the area formula.

24 = l x w

24 = 8 x ​ w

The unknown is ​ (a)   meters.

• 3

• 6

• 4

• 5

Which equation can be used to find the are of the rectangle?

• 5 + 10 = 15

• 5 x 10 = 50

• 10 - 5 = 5

A park manager is building a small rectangular playground. It will be 10 meters by 7 meters. What is the area the playground?

___ meters

To find the area A of a rectangle, multiply the length l by the width w.

• True

• False

Find the area of the rectangle.

___ square feet

Find the area of the rectangle.

___ square inches