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3rd Grade Area and Perimeter Worksheets

This free printable worksheet practices area and perimeter of rectangles. It has 24 problems, and the answer key is on its own page when you print, so you can check work afterward.

Tip: Work one problem at a time and check each answer against the key at the end.

Name: ____________________Date: ____________

3rd Grade Area and Perimeter

  1. A rectangle is 2 cm long and 7 cm wide. What is its perimeter?
  2. A rectangle is 4 cm long and 8 cm wide. What is its perimeter?
  3. A rectangle is 9 cm long and 7 cm wide. What is its perimeter?
  4. A rectangle is 7 cm long and 12 cm wide. What is its perimeter?
  5. A rectangle is 5 cm long and 11 cm wide. What is its perimeter?
  6. A rectangle is 4 cm long and 7 cm wide. What is its perimeter?
  7. A rectangle is 11 cm long and 6 cm wide. What is its perimeter?
  8. A rectangle is 7 cm long and 10 cm wide. What is its perimeter?
  9. A rectangle is 6 cm long and 5 cm wide. What is its perimeter?
  10. A rectangle is 3 cm long and 2 cm wide. What is its perimeter?
  11. A rectangle is 3 cm long and 3 cm wide. What is its area?
  12. A rectangle is 8 cm long and 8 cm wide. What is its area?
  13. A rectangle is 11 cm long and 9 cm wide. What is its perimeter?
  14. A rectangle is 7 cm long and 8 cm wide. What is its perimeter?
  15. A rectangle is 10 cm long and 5 cm wide. What is its perimeter?
  16. A rectangle is 6 cm long and 6 cm wide. What is its area?
  17. A rectangle is 7 cm long and 7 cm wide. What is its area?
  18. A rectangle is 6 cm long and 2 cm wide. What is its area?
  19. A rectangle is 12 cm long and 8 cm wide. What is its area?
  20. A rectangle is 12 cm long and 11 cm wide. What is its area?
  21. A rectangle is 2 cm long and 10 cm wide. What is its perimeter?
  22. A rectangle is 5 cm long and 7 cm wide. What is its area?
  23. A rectangle is 6 cm long and 10 cm wide. What is its perimeter?
  24. A rectangle is 8 cm long and 5 cm wide. What is its area?

Answer Key: 3rd Grade Area and Perimeter

  1. 18 cm
  2. 24 cm
  3. 32 cm
  4. 38 cm
  5. 32 cm
  6. 22 cm
  7. 34 cm
  8. 34 cm
  9. 22 cm
  10. 10 cm
  11. 9 sq cm
  12. 64 sq cm
  13. 40 cm
  14. 30 cm
  15. 30 cm
  16. 36 sq cm
  17. 49 sq cm
  18. 12 sq cm
  19. 96 sq cm
  20. 132 sq cm
  21. 24 cm
  22. 35 sq cm
  23. 32 cm
  24. 40 sq cm

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More 3rd grade worksheets: 3rd Grade Addition · 3rd Grade Subtraction · 3rd Grade Multiplication · 3rd Grade Division · 3rd Grade Fractions · 3rd Grade Place Value · 3rd Grade Rounding · 3rd Grade Word Problems