Measuring and Estimating Area of Rectangles

Farmer Bob needs to build a fence for his chickens.  The area he wants to build a fence around is 40 feet long and 20 feet wide.  How many feet of fence does he need to buy?

• 800 feet

• 120 feet

• 60 feet

• 80 feet

Use the formulas for perimeter and area of rectangles to

solve each problem

Find y.

Find the area of the rectangle.

• 40 square cm

• 45 square cm

• 36 cm

• 36 square cm

Find the area of the rectangle.

• 8 square units

• 9 square units

• 10 square units

• 12 square units

Norman is a sunflower farmer. He uses a plot of land that is 3 km by 4.3 km. How much land does he use for his sunflowers?​ He uses ​ (a)   amount of land for his sunflowers.

Jessica measured her bedroom so that she can put a new carpet in. The bedroom was 15 feet long and 16 feet wide. How many square feet of carpet does she need to buy?

Norman is a sunflower farmer. He uses a plot of land that is 3 km by 4.3 km. How much land does he use for his sunflowers?​ He uses ​ (a)   amount of land for his sunflowers.

Jessica measured her bedroom so that she can put a new carpet in. The bedroom was 15 feet long and 16 feet wide. How many square feet of carpet does she need to buy?

How do you find the area of a rectangle?

• Length + Length + Length + Length

• Length + Width

• Length x Width

• Width x Width

Greyson and Preston have a piece of paper that is 10 inches by 9 inches.  What is the area of the paper?

• 100 sq. in.

• 79 sq. in.

• 90 sq. in.

• 90 in.