FreeMath
Grade 5medium

Adding Decimals Practice

Practice adding decimal numbers. Line up the decimal points and add as with whole numbers, placing the decimal in the answer.

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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. 1.3.5 + 2.4 = ?
  2. 2.7.25 + 1.75 = ?
  3. 3.4.6 + 3.8 = ?
  4. 4.12.35 + 5.42 = ?
  5. 5.0.75 + 0.25 = ?
  6. 6.8.9 + 4.7 = ?
  7. 7.2.08 + 3.92 = ?
  8. 8.15.6 + 7.45 = ?
  9. 9.0.5 + 0.5 + 0.5 = ?
  10. 10.6.75 + 8.25 = ?
  11. 11.9.3 + 2.85 = ?
  12. 12.4.567 + 2.433 = ?
  13. 13.1.5 + 2.75 + 3.25 = ?
  14. 14.20.5 + 15.75 = ?
  15. 15.0.125 + 0.875 = ?
  16. 16.7.8 + 6.9 = ?
  17. 17.3.45 + 4.55 = ?
  18. 18.11.11 + 22.22 = ?
  19. 19.5.6 + 3.47 = ?
  20. 20.0.99 + 0.01 = ?
Show answer key
  1. 1.3.5 + 2.4 = ? Answer: 5.9
  2. 2.7.25 + 1.75 = ? Answer: 9
  3. 3.4.6 + 3.8 = ? Answer: 8.4
  4. 4.12.35 + 5.42 = ? Answer: 17.77
  5. 5.0.75 + 0.25 = ? Answer: 1
  6. 6.8.9 + 4.7 = ? Answer: 13.6
  7. 7.2.08 + 3.92 = ? Answer: 6
  8. 8.15.6 + 7.45 = ? Answer: 23.05
  9. 9.0.5 + 0.5 + 0.5 = ? Answer: 1.5
  10. 10.6.75 + 8.25 = ? Answer: 15
  11. 11.9.3 + 2.85 = ? Answer: 12.15
  12. 12.4.567 + 2.433 = ? Answer: 7
  13. 13.1.5 + 2.75 + 3.25 = ? Answer: 7.5
  14. 14.20.5 + 15.75 = ? Answer: 36.25
  15. 15.0.125 + 0.875 = ? Answer: 1
  16. 16.7.8 + 6.9 = ? Answer: 14.7
  17. 17.3.45 + 4.55 = ? Answer: 8
  18. 18.11.11 + 22.22 = ? Answer: 33.33
  19. 19.5.6 + 3.47 = ? Answer: 9.07
  20. 20.0.99 + 0.01 = ? Answer: 1

About This Practice

This practice set includes 20 decimal addition problems. Adding decimals is essential for money calculations and measurements.

Want more practice? See all Grade 5 practice →