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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 282 · 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. 1.0.73 × 3.1 =
  2. 2.0.8 × 0.21 =
  3. 3.0.5 × 0.35 =
  4. 4.9.2 × 0.09 =
  5. 5.4.5 × 0.11 =
  6. 6.8.8 × 2.5 =
  7. 7.2.7 × 3.3 =
  8. 8.0.59 × 1.6 =
  9. 9.0.07 × 1.1 =
  10. 10.3.7 × 0.9 =
  11. 11.0.42 × 0.6 =
  12. 12.8.7 × 0.16 =
  13. 13.0.74 × 2.9 =
  14. 14.2.8 × 1.2 =
  15. 15.8.1 × 0.32 =
  16. 16.3.1 × 0.09 =
  17. 17.3.1 × 0.07 =
  18. 18.9.7 × 0.37 =
  19. 19.2.4 × 0.05 =
  20. 20.3.9 × 0.9 =
  21. 21.0.22 × 2.5 =
  22. 22.9.1 × 2.1 =
  23. 23.0.46 × 3.4 =
  24. 24.0.48 × 3.7 =
  25. 25.0.39 × 0.5 =
  26. 26.0.32 × 3.7 =
  27. 27.4.2 × 3.4 =
  28. 28.5.2 × 3.2 =
  29. 29.0.03 × 0.7 =
  30. 30.0.68 × 3.1 =
  31. 31.7.3 × 2.4 =
  32. 32.7.2 × 0.2 =
  33. 33.3.1 × 0.19 =
  34. 34.1.7 × 0.31 =
  35. 35.0.43 × 1.2 =
  36. 36.0.18 × 2.4 =
  37. 37.1.7 × 0.08 =
  38. 38.0.11 × 2.6 =
  39. 39.5.6 × 0.6 =
  40. 40.4.3 × 1.8 =

Answer key

  1. 2.263
  2. 0.168
  3. 0.175
  4. 0.828
  5. 0.495
  6. 22
  7. 8.91
  8. 0.944
  9. 0.077
  10. 3.33
  11. 0.252
  12. 1.392
  13. 2.146
  14. 3.36
  15. 2.592
  16. 0.279
  17. 0.217
  18. 3.589
  19. 0.12
  20. 3.51
  21. 0.55
  22. 19.11
  23. 1.564
  24. 1.776
  25. 0.195
  26. 1.184
  27. 14.28
  28. 16.64
  29. 0.021
  30. 2.108
  31. 17.52
  32. 1.44
  33. 0.589
  34. 0.527
  35. 0.516
  36. 0.432
  37. 0.136
  38. 0.286
  39. 3.36
  40. 7.74

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