Area of Rectangles Using Arrays

Matthew built a rectangular garden to grow food for his family. His garden was 3 feet wide by 7 feet long. What was the area of his garden?

• 21 sq. ft.

• 22 sq. ft.

• 15 sq. ft.

• 18 sq. ft.

You can use your knowledge of arrays to help you find the area of rectangles.

• True

• False

Felipe started placing square tiles to form a rectangle. He continued to place the square tiles until he covered the entire rectangle. What is the area of the rectangle in square units.

• 11 sq. units

• 22 sq. units

• 28 sq. units

• 27 sq. units

Find the area of the rectangle in square centimeters.

• 17 sq. cm.

• 40 sq. cm.

• 26 sq. cm.

• 60 sq. cm.

Find the area of the rectangle.

• 8 square units

• 9 square units

• 10 square units

• 12 square units

What is the area of this rectangle in square units?

• 2 square units

• 4 square units

• 6 square units

• 8 square units

Which expression would show the area of this rectangle?

• (2 x 4) + (2 x 2)

• (6 x 2) + (2 x 2)

• (6 x 6) + (2 x 2)

• (4 x 4) + (2 x 2)

A model of a rectangular bulletin board is shown. The top row has been divided into squares of equal size. The rest of the model will be divided into squares of the same size. What is the area of square units represented by this model?

• 8 sq. units

• 15 sq. units

• 12 sq. units

• 16 sq. units

Marcia decided to tile her kitchen floor. What is the area of Marcia's kitchen floor?

• 5 sq. units

• 20 sq. units

• 15 sq. units

• 10 sq. units

The model represents the length and the with of a rectangular floor. What is the area of the floor in square feet?

• 45 square feet, because 5 x 9 = 45

• 54 square feet, because 6 x 9 = 54

• 48 square feet, because 6 x 8 = 48

• 28 square feet, because 9 + 5 + 9 + 5 = 28