Math Problem Solving

Lauren’s family is moving to a bigger house. Lauren’s old bedroom measures 16 feet wide and 20 feet long. Her new bedroom will be 1 foot longer and 1 foot wider than the old one. What is the area of her new bedroom?

• 896 sq. ft.

• 357 sq. ft.

• 120 sq. ft.

• 74 sq. ft.

Layla has to mow her backyard. The backyard is a square that measures 20 feet on each side. It takes Layla 5 minutes to mow 25 square feet. How many minutes will it take Layla to mow the whole yard?

• 80 minutes

• 160 minutes

• 320 minutes

• 400 minutes

Amanda wanted to make a garden in her backyard that had an area of 15 sq. ft. It was 3 feet wide. How long is the garden?

• 5 ft

• 10 ft

• 18 ft

• 20 ft

A rectangle has a perimeter of 64 inches. The width is 20 inches. What is the length in inches?

• 12 inches

• 22 inches

• 32 inches

• 24 inches

The perimeter of the swimming pool is 36 meters. What is one pair of possible dimensions for the swimming pool?

• length 6 meters and width 6 meters

• length 9 meters and width 4 meters

• length 10 meters and width 8 meters

• length 12 meters and width 3 meters

A chicken pen is 8 feet wide. It is 6 times as long as it is wide. What is the perimeter of the chicken pen?

• 48 feet

• 112 feet

• 384 feet

• 288 feet

A plan for a house includes a rectangular room with an area of 80 square feet and a perimeter of 36 feet. What is the length and width of the room?

• length 40 feet and width 2 feet

• length 10 feet and width 8 feet

• length 20 feet and width 4 feet

• length 16 feet and width 5 feet

Jill wants to put a border around a rectangular bulletin board that measures 12 feet by 3 feet. How much border does she need to go around the entire board?

• 25 feet

• 30 feet

• 36 feet

• 48 feet

The perimeter of a rectangle measures 88 centimeters. The measure of the width is 20 centimeters. What is the measure of the length?

• 20 cm

• 24 cm

• 48 cm

• 68 cm

Ashley wants to paint a wall in her house. The length of my wall is 6 yards. The width is half of the length. How much paint will Ashley need to cover her wall?

• 12 yards²

• 72 yards²

• 18 yards²

• 3 yards²