Area of Rectangles

What is the area of rectangle A? Don't forget the unit.

• 30 square units

• 36

• 36 square units

• 25 square units

What is the length of the unknown side?

• 32/4=8

• 32-4=28

• 32x4=128

What is the length of the unknown side?

• 28-4=24

• 28/4=7

• 28x4=112

Each side on a sticky note measures 9 centimeters. What is the area of the sticky note?

• 18 cm

• 81 sq cm

• 81 cm

• 18 sq cm

What is the area of this blanket?

• 3 square feet

• 13 square feet

• 26 square feet

• 40 square feet

Each small square has an area of 1 square foot.

Which expression could be used to find the area of the shaded rectangle, in square feet?

• 4 + 4 + 4 + 4

• 4 x 4

• 4 + 6

• 4 x 6

Which statement about these rectangles is true?

• Both rectangles have an area of 26 square units.

• Both rectangles have an area of 40 square units.

• Rectangle X has an area of 13 square units, and Rectangle Y has an area of 40 square units.

• Rectangle X has an area of 40 square units, and Rectangle Y has an area of 28 square units.

Harrison used square tiles to make a different rectangle. Harrison’s rectangle has the same area as Gabrielle’s rectangle. Which measurements describe a rectangle with the same area as Gabrielle’s rectangle?

• 3 units long and 7 units wide

• 8 units long and 3 units wide

• 18 units long and 16 units wide

• 20 units long and 4 units wide

Which of the following shows a way to find the total area of the shaded and unshaded parts?

• (5+4) plus (5+2)

• (5x4) plus (5x2)

• (5x4) times (5x2)

• (5+6) times (5+6)

The area of the front of a milk carton is 20 square inches.

Which could be the length and width of the milk carton?

• 5 inches and 4 inches

• 10 inches and 4 inches

• 10 inches and 10 inches

• 20 inches and 2 inches