Area and Perimeter

The distance around a shape is its ________.

• area

• perimeter

• square unit

• length times its width

Jodie plans to put up wallpaper on her entire bedroom wall. She has to figure out how much wallpaper to buy. Which of the following would be most helpful for her to know?

• area of the wall

• the perimeter of the wall

You can find a rectangle’s perimeter by ________.

• multiplying its length by its width

• multiplying its length by 2 and multiplying its width by 2 and adding the products

• subtracting its length from its width

• dividing its length by 2 and dividing its width by 2 and adding the quotients

How would you find the area of a rectangle that’s 11 units long and 5 units wide?

• add 11 + 5

• add 11 + 11 + 5 + 5

• multiply 11 x 5

• multiply 11 x 11 x 5 x 5

How could you find the perimeter of a rectangle that’s 7 units long and 9 units wide?

• (2 x 7) + (2 x 9)

• 7 + 9

Find the perimeter of the rectangle. (8 in and 5 in)

• 40 square inches

• 26 inches

Find the area of the rectangle that is 10 ft. by 9 ft

• 90 square ft

• 38 square feet

Julissa is making a birthday card and wants to put a border made of pink ribbon all the way around the front of the card. The card is a rectangle 7 inches long and 4 inches wide. How long will the pink border be?

• 22 inches

• 28 inches

Ahmed is making a poster for science class. He uses a piece of posterboard that’s 3 feet long and 4 feet wide. How big is his poster?

• 17 square feet

• 12 square feet