Perimeter of plane shapes with and without missing sides

What is the perimeter of the following shape?

• 18

• 20

• 14

• 16

Tags

CCSS.3.MD.D.8

What is the perimeter of the following shape?

• 21 in

• 24 in

• 42 in

• 39 in

Tags

CCSS.3.MD.D.8

What is the perimeter of the following shape?

• 20 in

• 40 in

• 60 in

• 80 in

Tags

CCSS.3.MD.D.8

The total perimeter is 32 in. What is the length of the missing side?

• 12

• 8

• 6

• 32

The total perimeter is 38 ft. What is the length of the missing side?

• 35 ft

• 73 ft

• 3 ft

• 4 ft

The perimeter of the following figure is 29 mm. What is the length of the missing side?

• 12 mm

• 7 mm

• 19 mm

• 51 mm

Tags

CCSS.3.MD.D.8

Trey has a square garden. One side of the garden is 12 feet. What is the perimeter of Trey’s garden? (Hint: Draw a model.)

• 12 ft

• 24 ft

• 144 ft

• 48 ft

Tags

CCSS.3.MD.D.8

Find the missing side on the figure below.

Perimeter: 40 centimeters

• 28 cm

• 10 cm

• 74 cm

• 6 cm

Tags

CCSS.3.MD.D.8

Jenny and Abigail compared their rug sizes. Which of their rugs has a larger perimeter?

• Jenny because hers has a perimeter of 13 ft.

• Abigail because hers has a perimeter of 14 ft.

• Jenny because hers has a perimeter of 26 ft.

• Abigail because hers has a perimeter of 28 ft.

Tags

CCSS.3.MD.D.8

Erica has a square tile that has a side length of 8 inches. She then has a rectangular tile that has side lengths of 14 inches and 5 inches. Which tile has a larger perimeter? The square or rectangle? (Hint: Draw a model to solve.)

• The square because it has a perimeter of 16 in.

• The rectangle because it has a perimeter of 19 in.

• The rectangle because it has a perimeter of 38 in.

• The square because it has a perimeter of 32 in.

Tags

CCSS.3.MD.D.8