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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 197 · 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. 1.0.4 × 0.18 =
  2. 2.0.82 × 1.4 =
  3. 3.0.71 × 3.8 =
  4. 4.0.98 × 1.3 =
  5. 5.4.5 × 0.37 =
  6. 6.5.8 × 0.21 =
  7. 7.0.8 × 0.17 =
  8. 8.7.5 × 0.19 =
  9. 9.8.8 × 3.4 =
  10. 10.9.6 × 0.3 =
  11. 11.0.78 × 2.9 =
  12. 12.0.35 × 3.6 =
  13. 13.0.86 × 3.9 =
  14. 14.0.08 × 3.7 =
  15. 15.3.1 × 0.11 =
  16. 16.6.1 × 3.7 =
  17. 17.8.4 × 3.9 =
  18. 18.9.4 × 1.3 =
  19. 19.0.49 × 3.8 =
  20. 20.0.7 × 0.12 =
  21. 21.5.5 × 0.21 =
  22. 22.3.8 × 0.25 =
  23. 23.0.97 × 0.7 =
  24. 24.0.08 × 3.7 =
  25. 25.0.78 × 2.4 =
  26. 26.0.54 × 2.2 =
  27. 27.0.77 × 0.3 =
  28. 28.0.45 × 3.4 =
  29. 29.0.3 × 0.38 =
  30. 30.4.7 × 3.1 =
  31. 31.0.61 × 0.7 =
  32. 32.0.34 × 3.9 =
  33. 33.0.49 × 3.6 =
  34. 34.1.4 × 0.11 =
  35. 35.3.1 × 1.5 =
  36. 36.0.18 × 2.3 =
  37. 37.0.75 × 0.9 =
  38. 38.0.21 × 2.3 =
  39. 39.2.1 × 0.11 =
  40. 40.1.1 × 0.08 =

Answer key

  1. 0.072
  2. 1.148
  3. 2.698
  4. 1.274
  5. 1.665
  6. 1.218
  7. 0.136
  8. 1.425
  9. 29.92
  10. 2.88
  11. 2.262
  12. 1.26
  13. 3.354
  14. 0.296
  15. 0.341
  16. 22.57
  17. 32.76
  18. 12.22
  19. 1.862
  20. 0.084
  21. 1.155
  22. 0.95
  23. 0.679
  24. 0.296
  25. 1.872
  26. 1.188
  27. 0.231
  28. 1.53
  29. 0.114
  30. 14.57
  31. 0.427
  32. 1.326
  33. 1.764
  34. 0.154
  35. 4.65
  36. 0.414
  37. 0.675
  38. 0.483
  39. 0.231
  40. 0.088

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