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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 307 · 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. 1.0.41 × 1.8 =
  2. 2.0.19 × 2.4 =
  3. 3.1.2 × 0.8 =
  4. 4.0.03 × 0.9 =
  5. 5.0.42 × 0.4 =
  6. 6.6.1 × 0.26 =
  7. 7.2.4 × 1.1 =
  8. 8.9.4 × 0.02 =
  9. 9.0.45 × 2.9 =
  10. 10.0.72 × 3.6 =
  11. 11.0.88 × 2.2 =
  12. 12.3.1 × 0.04 =
  13. 13.0.09 × 2.8 =
  14. 14.9.3 × 0.31 =
  15. 15.0.71 × 3.8 =
  16. 16.0.96 × 2.8 =
  17. 17.0.74 × 2.9 =
  18. 18.0.14 × 3.2 =
  19. 19.4.3 × 0.25 =
  20. 20.1.5 × 0.36 =
  21. 21.0.41 × 3.7 =
  22. 22.3.9 × 0.02 =
  23. 23.0.81 × 0.3 =
  24. 24.0.5 × 3.3 =
  25. 25.0.7 × 0.23 =
  26. 26.1.9 × 0.2 =
  27. 27.6.4 × 2.3 =
  28. 28.9.5 × 3.8 =
  29. 29.0.31 × 2.4 =
  30. 30.0.54 × 0.2 =
  31. 31.0.81 × 3.3 =
  32. 32.2.1 × 3.3 =
  33. 33.0.26 × 3.2 =
  34. 34.7.1 × 3.7 =
  35. 35.0.9 × 0.16 =
  36. 36.5.7 × 1.9 =
  37. 37.2.6 × 0.11 =
  38. 38.2.8 × 0.13 =
  39. 39.0.27 × 3.5 =
  40. 40.9.7 × 3.5 =

Answer key

  1. 0.738
  2. 0.456
  3. 0.96
  4. 0.027
  5. 0.168
  6. 1.586
  7. 2.64
  8. 0.188
  9. 1.305
  10. 2.592
  11. 1.936
  12. 0.124
  13. 0.252
  14. 2.883
  15. 2.698
  16. 2.688
  17. 2.146
  18. 0.448
  19. 1.075
  20. 0.54
  21. 1.517
  22. 0.078
  23. 0.243
  24. 1.65
  25. 0.161
  26. 0.38
  27. 14.72
  28. 36.1
  29. 0.744
  30. 0.108
  31. 2.673
  32. 6.93
  33. 0.832
  34. 26.27
  35. 0.144
  36. 10.83
  37. 0.286
  38. 0.364
  39. 0.945
  40. 33.95

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