Unit 11 Form B Reveal Grade 3

What is the perimeter of this rectangle?

• 14 units

• 24 units

• 28 units

• 40 units

Sophia uses 46 inches of string to make the figure shown. What is the unknown side length?

• 8 inches

• 9 inches

• 12 inches

• 18 inches

Stephanie has 20 meters of wallpaper. She plans to use 4 equal sections of the wallpaper. She will use all the wallpaper. How can you represent the problem and find the length of each section?

• 2 meters

• 4 meters

• 5 meters

• 6 meters

Which shows how to find the perimeter of the figure?

• 5 × 7

• 5 + 7

• 5 × 7 + 5 × 7

• 5 + 7 + 5 + 7

Which two rectangles have the same area and a different perimeter?

• rectangles A and B

• rectangles B and C

• rectangles C and D

• rectangles A and C

Which two rectangles have the same perimeter and a different area?

• rectangles A and B

• rectangles A and C

• rectangles C and D

• rectangles B and D

What is the perimeter of this figure?

• 16 units

• 18 units

• 24 units

• 22 units

A rectangle has a perimeter of 48 meters. Two side lengths are 18 meters long. What are the unknown side lengths?

• 3 meters and 9 meters

• 4 meters and 8 meters

• 6 meters and 6 meters

• 12 meters and 12 meters

What is the perimeter of Alex’s garden?

• 36 meters

• 40 meters

• 44 meters

• 48 meters

Fatima is making a rectangular table top. The table top has a perimeter of 20 feet. She wants the area of the table top to be 20 square feet or more. Which of these could represent the measurements of the table top? Choose all that apply.

• 1 foot by 9 feet

• 2 feet by 10 feet

• 7 feet by 3 feet

• 5 feet by 5 feet

• 4 feet by 6 feet