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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 236 · 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. 1.8.6 × 0.4 =
  2. 2.4.7 × 0.33 =
  3. 3.2.7 × 3.9 =
  4. 4.0.81 × 1.2 =
  5. 5.4.1 × 0.02 =
  6. 6.3.6 × 1.8 =
  7. 7.5.9 × 0.24 =
  8. 8.5.5 × 1.8 =
  9. 9.9.5 × 0.35 =
  10. 10.8.2 × 0.9 =
  11. 11.0.19 × 0.5 =
  12. 12.0.69 × 1.8 =
  13. 13.6.8 × 1.6 =
  14. 14.0.4 × 1.2 =
  15. 15.1.9 × 3.3 =
  16. 16.0.25 × 2.4 =
  17. 17.2.8 × 2.1 =
  18. 18.0.6 × 3.6 =
  19. 19.0.23 × 0.8 =
  20. 20.0.54 × 3.8 =
  21. 21.0.81 × 3.5 =
  22. 22.0.04 × 0.6 =
  23. 23.3.6 × 0.26 =
  24. 24.9.7 × 0.11 =
  25. 25.1.1 × 2.1 =
  26. 26.0.68 × 1.1 =
  27. 27.0.35 × 0.9 =
  28. 28.4.2 × 0.4 =
  29. 29.6.1 × 2.5 =
  30. 30.8.3 × 0.31 =
  31. 31.4.3 × 2.4 =
  32. 32.0.91 × 0.2 =
  33. 33.0.88 × 3.3 =
  34. 34.7.5 × 3.3 =
  35. 35.3.3 × 3.1 =
  36. 36.0.74 × 3.2 =
  37. 37.1.1 × 2.9 =
  38. 38.0.34 × 2.2 =
  39. 39.0.12 × 0.2 =
  40. 40.0.44 × 0.3 =

Answer key

  1. 3.44
  2. 1.551
  3. 10.53
  4. 0.972
  5. 0.082
  6. 6.48
  7. 1.416
  8. 9.9
  9. 3.325
  10. 7.38
  11. 0.095
  12. 1.242
  13. 10.88
  14. 0.48
  15. 6.27
  16. 0.6
  17. 5.88
  18. 2.16
  19. 0.184
  20. 2.052
  21. 2.835
  22. 0.024
  23. 0.936
  24. 1.067
  25. 2.31
  26. 0.748
  27. 0.315
  28. 1.68
  29. 15.25
  30. 2.573
  31. 10.32
  32. 0.182
  33. 2.904
  34. 24.75
  35. 10.23
  36. 2.368
  37. 3.19
  38. 0.748
  39. 0.024
  40. 0.132

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