Perimeter Word Problems

Answer Key - Grade 3 Math Worksheet - Challenge Me

Circle the answer, or write the answer on the line.

1. 1.

   A square card has an area of 49 square cm. How many cm of ribbon go around its edge?

   28
2. 2.

   Each of these rectangles has a perimeter of 24 cm. Which one has the greatest area?

   • 9 cm by 3 cm
   • 8 cm by 4 cm
   • 6 cm by 6 cm
   • 10 cm by 2 cm
3. 3.

   A rectangle has a perimeter of 30 meters. Its length is 9 meters. What is its width?

   • 6 meters
   • 12 meters
   • 15 meters
   • 21 meters
4. 4.

   A square garden has a perimeter of 36 feet. How long is each side?

   • 18 feet
   • 12 feet
   • 32 feet
   • 9 feet
5. 5.

   Two gardens each have a perimeter of 16 feet. One is 4 by 4 feet. The other is 6 by 2 feet. Which has more area?

   • The 4 by 4 garden, by 2 square feet
   • They have the same area
   • The 4 by 4 garden, by 4 square feet
   • The 6 by 2 garden, by 4 square feet
6. 6.

   Each long side of a rectangle is 3 times as long as a short side. A short side is 4 cm. What is the perimeter?

   • 28 cm
   • 32 cm
   • 48 cm
   • 16 cm
7. 7.

   Lisa draws a new rectangle with the same perimeter as this one. One side is 5 feet. How long is the other side?

   • 12 feet
   • 3 feet
   • 17 feet
   • 6 feet
8. 8.

   Compare a 5 by 3 rectangle and a 4 by 4 square. Which statement is true?

   • Same area, but the rectangle has more perimeter
   • Same perimeter, but the square has more area
   • Same perimeter and the same area
   • The rectangle has more area and perimeter
9. 9.

   Mia frames two photos. Each photo is 5 inches by 7 inches. How much ribbon does she need for both?

   • 38 inches
   • 24 inches
   • 70 inches
   • 48 inches
10. 10.

    Lee has 40 feet of fence. His garden is 9 feet long and 6 feet wide. How much fence is left after he fences it?

    • 10 feet
    • 25 feet
    • 30 feet
    • 16 feet