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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 374 · 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. 1.0.22 × 3.8 =
  2. 2.0.93 × 1.1 =
  3. 3.8.3 × 0.9 =
  4. 4.3.7 × 0.7 =
  5. 5.0.2 × 0.18 =
  6. 6.9.9 × 1.1 =
  7. 7.0.11 × 3.2 =
  8. 8.0.53 × 1.6 =
  9. 9.0.36 × 2.7 =
  10. 10.9.1 × 3.8 =
  11. 11.0.19 × 0.6 =
  12. 12.2.6 × 2.9 =
  13. 13.0.03 × 3.1 =
  14. 14.5.4 × 0.04 =
  15. 15.2.4 × 0.02 =
  16. 16.0.39 × 0.5 =
  17. 17.4.3 × 0.02 =
  18. 18.0.8 × 1.4 =
  19. 19.0.84 × 3.4 =
  20. 20.0.85 × 0.2 =
  21. 21.0.51 × 1.5 =
  22. 22.8.7 × 0.5 =
  23. 23.8.8 × 1.1 =
  24. 24.0.93 × 1.7 =
  25. 25.5.2 × 0.18 =
  26. 26.7.9 × 0.13 =
  27. 27.0.19 × 1.5 =
  28. 28.0.29 × 0.7 =
  29. 29.7.3 × 0.6 =
  30. 30.0.07 × 3.1 =
  31. 31.0.46 × 2.5 =
  32. 32.0.32 × 0.3 =
  33. 33.0.67 × 1.1 =
  34. 34.5.7 × 0.22 =
  35. 35.0.19 × 1.6 =
  36. 36.0.05 × 2.1 =
  37. 37.1.5 × 3.3 =
  38. 38.7.4 × 1.3 =
  39. 39.0.37 × 1.2 =
  40. 40.0.24 × 3.5 =

Answer key

  1. 0.836
  2. 1.023
  3. 7.47
  4. 2.59
  5. 0.036
  6. 10.89
  7. 0.352
  8. 0.848
  9. 0.972
  10. 34.58
  11. 0.114
  12. 7.54
  13. 0.093
  14. 0.216
  15. 0.048
  16. 0.195
  17. 0.086
  18. 1.12
  19. 2.856
  20. 0.17
  21. 0.765
  22. 4.35
  23. 9.68
  24. 1.581
  25. 0.936
  26. 1.027
  27. 0.285
  28. 0.203
  29. 4.38
  30. 0.217
  31. 1.15
  32. 0.096
  33. 0.737
  34. 1.254
  35. 0.304
  36. 0.105
  37. 4.95
  38. 9.62
  39. 0.444
  40. 0.84

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