FreeMath
Grade 3easy

Perimeter of Rectangles Practice

Practice finding the perimeter of rectangles and squares. Add all four sides, or use the formula: P = 2(length + width) for rectangles, P = 4s for squares.

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All 20 Practice Problems

Every question in this set. Solve them on paper, or use the interactive tool above for instant feedback and hints.

  1. 1.Rectangle: length 5, width 3. Perimeter = ?
  2. 2.Rectangle: length 8, width 4. Perimeter = ?
  3. 3.Rectangle: length 10, width 6. Perimeter = ?
  4. 4.Rectangle: length 7, width 7. Perimeter = ?
  5. 5.Rectangle: length 12, width 5. Perimeter = ?
  6. 6.Rectangle: length 9, width 3. Perimeter = ?
  7. 7.Rectangle: length 15, width 8. Perimeter = ?
  8. 8.Rectangle: length 6, width 4. Perimeter = ?
  9. 9.Rectangle: length 11, width 9. Perimeter = ?
  10. 10.Rectangle: length 20, width 10. Perimeter = ?
  11. 11.Square: side 5. Perimeter = ?
  12. 12.Square: side 8. Perimeter = ?
  13. 13.Square: side 12. Perimeter = ?
  14. 14.Rectangle: length 14, width 7. Perimeter = ?
  15. 15.Rectangle: length 25, width 15. Perimeter = ?
  16. 16.Rectangle: length 18, width 12. Perimeter = ?
  17. 17.Square: side 15. Perimeter = ?
  18. 18.Rectangle: length 30, width 20. Perimeter = ?
  19. 19.Rectangle: length 16, width 11. Perimeter = ?
  20. 20.Square: side 25. Perimeter = ?
Show answer key
  1. 1.Rectangle: length 5, width 3. Perimeter = ? Answer: 16
  2. 2.Rectangle: length 8, width 4. Perimeter = ? Answer: 24
  3. 3.Rectangle: length 10, width 6. Perimeter = ? Answer: 32
  4. 4.Rectangle: length 7, width 7. Perimeter = ? Answer: 28
  5. 5.Rectangle: length 12, width 5. Perimeter = ? Answer: 34
  6. 6.Rectangle: length 9, width 3. Perimeter = ? Answer: 24
  7. 7.Rectangle: length 15, width 8. Perimeter = ? Answer: 46
  8. 8.Rectangle: length 6, width 4. Perimeter = ? Answer: 20
  9. 9.Rectangle: length 11, width 9. Perimeter = ? Answer: 40
  10. 10.Rectangle: length 20, width 10. Perimeter = ? Answer: 60
  11. 11.Square: side 5. Perimeter = ? Answer: 20
  12. 12.Square: side 8. Perimeter = ? Answer: 32
  13. 13.Square: side 12. Perimeter = ? Answer: 48
  14. 14.Rectangle: length 14, width 7. Perimeter = ? Answer: 42
  15. 15.Rectangle: length 25, width 15. Perimeter = ? Answer: 80
  16. 16.Rectangle: length 18, width 12. Perimeter = ? Answer: 60
  17. 17.Square: side 15. Perimeter = ? Answer: 60
  18. 18.Rectangle: length 30, width 20. Perimeter = ? Answer: 100
  19. 19.Rectangle: length 16, width 11. Perimeter = ? Answer: 54
  20. 20.Square: side 25. Perimeter = ? Answer: 100

About This Practice

This practice set includes 20 perimeter problems. Understanding perimeter is essential for measuring boundaries and fencing calculations.

Want more practice? See all Grade 3 practice →