Area and Perimeter Assessment for Grade 3

Aria is planning to build a rectangular garden in her backyard. The length of the garden is 8 feet and the width is 5 feet. What is the perimeter of Aria's garden?

• 26 feet

• 40 feet

• 13 feet

• 16 feet

Hannah is planning to build a square garden with each side measuring 6 inches. Find the area of the garden.

• 24 square inches

• 36 square inches

• 12 square inches

• 30 square inches

Ms. Johnson is putting fence around her rectangular garden. The garden is 12 feet long and 4 feet wide. How many feet of fence does she need?

• 48 feet

• 32 feet

• 16 feet

• 28 feet

What is the area of a rectangular classroom that is 9 feet wide and 10 feet long?

• 38 square feet

• 19 square feet

• 90 square feet

• 40 square feet

A square has a perimeter of 20 inches. What is the length of each side?

• 4 inches

• 5 inches

• 10 inches

• 6 inches

Sam's rectangular rug has a width of 3 feet and a length of 7 feet. What is its area?

• 10 square feet

• 21 square feet

• 20 square feet

• 14 square feet

A rectangle has an area of 24 square inches. If its width is 4 inches, what is its length?

• 28 inches

• 20 inches

• 6 inches

• 8 inches

A rectangular poster has a length of 8 inches and a width of 6 inches. Find both its area and perimeter.

• Area: 48 sq in, Perimeter: 28 in

• Area: 28 sq in, Perimeter: 48 in

• Area: 14 sq in, Perimeter: 28 in

• Area: 40 sq in, Perimeter: 24 in

Find the area of a rectangle with length 5 inches and width 3 inches.

• 16 square inches

• 8 square inches

• 15 square inches

• 12 square inches

Aiden is planning to build a rectangular garden that is 15 feet long and 10 feet wide. What is the perimeter of the garden?

• 25 feet

• 50 feet

• 150 feet

• 40 feet