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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 569 · 40 questions
TalentJR

The fast method (Count the places): Forget the points and multiply the whole numbers: 2.5 × 1.4 → 25 × 14 = 350. Count the decimal places in both numbers: 1 + 1 = 2. Put the point that many places from the right: 3.50 — then drop the 0 at the end: 3.5.

NameDateTime takenScore ___ / 40
  1. 1.3.1 × 0.2 =
  2. 2.6.1 × 3.4 =
  3. 3.0.75 × 3.7 =
  4. 4.0.13 × 0.4 =
  5. 5.2.3 × 3.2 =
  6. 6.0.71 × 3.1 =
  7. 7.0.37 × 1.3 =
  8. 8.0.95 × 2.6 =
  9. 9.6.8 × 0.21 =
  10. 10.0.25 × 1.3 =
  11. 11.6.8 × 0.32 =
  12. 12.0.82 × 1.1 =
  13. 13.0.59 × 2.7 =
  14. 14.8.2 × 1.1 =
  15. 15.1.1 × 3.8 =
  16. 16.5.4 × 0.14 =
  17. 17.1.4 × 3.8 =
  18. 18.0.73 × 2.9 =
  19. 19.5.1 × 0.29 =
  20. 20.4.7 × 3.7 =
  21. 21.0.09 × 0.4 =
  22. 22.5.1 × 2.9 =
  23. 23.1.5 × 0.9 =
  24. 24.0.81 × 3.2 =
  25. 25.2.1 × 1.4 =
  26. 26.5.9 × 2.3 =
  27. 27.0.16 × 3.9 =
  28. 28.0.17 × 0.2 =
  29. 29.0.53 × 2.2 =
  30. 30.5.6 × 0.31 =
  31. 31.2.2 × 0.15 =
  32. 32.0.59 × 3.9 =
  33. 33.0.58 × 1.6 =
  34. 34.0.37 × 2.5 =
  35. 35.9.4 × 0.18 =
  36. 36.0.04 × 1.2 =
  37. 37.0.36 × 3.9 =
  38. 38.0.62 × 3.3 =
  39. 39.1.7 × 1.5 =
  40. 40.1.1 × 0.24 =

Answer key

  1. 0.62
  2. 20.74
  3. 2.775
  4. 0.052
  5. 7.36
  6. 2.201
  7. 0.481
  8. 2.47
  9. 1.428
  10. 0.325
  11. 2.176
  12. 0.902
  13. 1.593
  14. 9.02
  15. 4.18
  16. 0.756
  17. 5.32
  18. 2.117
  19. 1.479
  20. 17.39
  21. 0.036
  22. 14.79
  23. 1.35
  24. 2.592
  25. 2.94
  26. 13.57
  27. 0.624
  28. 0.034
  29. 1.166
  30. 1.736
  31. 0.33
  32. 2.301
  33. 0.928
  34. 0.925
  35. 1.692
  36. 0.048
  37. 1.404
  38. 2.046
  39. 2.55
  40. 0.264

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