Perimeter Review

What is the perimeter?

• 12

• 18

• 15

• 3

Find the length of the missing side of the shape. The perimeter is 18 inches.

• 6 centimeters

• 9 inches

• 6 inches

• 12 centimeters

The perimeter of the shape is 31 feet. What is the length of the missing side?

• 3 feet

• 4 feet

• 5 feet

• 6 feet

What is the perimeter?

• 4 in.

• 16 in.

• 8 in.

• 12 in.

Find the unknown side length if the perimeter is 29 cm.

• 10 cm

• 8 cm

• 6 cm

• 7 cm

What is the perimeter of this polygon?

• 39 in

• 24 in

• 105 in 

• 49 in

Perimeter= 42 inches. Side lengths are 12in, 7in, 21in. What is the length of the missing length? 

• 3 inches

• 2 inches

• 4 inches

• 1 inch

Perimeter of triangle?

• 32 units

• 20 units

• 10 units

• 17 units

Quick check-in! How comfortable do you feel figuring out the perimeter of a shape?

• I need more help with perimeter

• I feel okay solving perimeter problems

• I feel good about perimeter problems

• I could teach someone about perimeter!

Find the unknown side length if the perimeter is 30 cm.

• 5 cm

• 4 cm

• 8 cm

• 10 cm