Area and Perimeter of Rectangles

What is the formula to calculate the area of a rectangle?

• The formula to calculate the area of a rectangle is length / width

• The formula to calculate the area of a rectangle is (length + width) / 2

• The formula to calculate the area of a rectangle is 2 x (length + width)

• The formula to calculate the area of a rectangle is length x width.

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

If the length of a rectangle is 5 cm and the width is 3 cm, what is the area?

• The area of the rectangle is 15 square cm.

• The area of the rectangle is 20 square cm.

• The area of the rectangle is 12 square cm.

• The area of the rectangle is 8 square cm.

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

What is the formula to calculate the perimeter of a rectangle?

• length * width

• 2 * (length + width)

• 2 * length + 2 * width

• length + width

Tags

CCSS.4.MD.A.3

If the length of a rectangle is 8 cm and the width is 4 cm, what is the perimeter?

• The perimeter of the rectangle is 16 cm.

• The perimeter of the rectangle is 24 cm.

• The perimeter of the rectangle is 12 cm.

• The perimeter of the rectangle is 32 cm.

Tags

CCSS.4.MD.A.3

If the area of a rectangle is 20 square units and the length is 5 units, what is the width?

• 3

• 10

• 4

• 6

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

If the perimeter of a rectangle is 18 units and the length is 6 units, what is the width?

• 4

• 5

• 7

• 3

Tags

CCSS.4.MD.A.3

If the area of a rectangle is 36 square units and the width is 6 units, what is the length?

• 12 units

• 18 units

• 24 units

• 6 units

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

If the perimeter of a rectangle is 24 units and the width is 4 units, what is the length?

• The length of the rectangle is 12 units.

• The length of the rectangle is 6 units.

• The length of the rectangle is 10 units.

• The length of the rectangle is 8 units.

Tags

CCSS.4.MD.A.3

If the area of a rectangle is 45 square units and the length is 9 units, what is the width?

• 7 units

• 5 units

• 10 units

• 3 units

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

If the perimeter of a rectangle is 30 units and the length is 8 units, what is the width?

• The width of the rectangle is 12 units.

• The width of the rectangle is 10 units.

• The width of the rectangle is 7 units.

• The width of the rectangle is 5 units.

Tags

CCSS.4.MD.A.3