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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 744 · 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. 1.7.2 × 0.6 =
  2. 2.6.6 × 3.1 =
  3. 3.0.08 × 0.2 =
  4. 4.0.05 × 3.9 =
  5. 5.0.15 × 1.9 =
  6. 6.0.54 × 3.1 =
  7. 7.0.22 × 3.6 =
  8. 8.0.93 × 1.6 =
  9. 9.2.8 × 1.5 =
  10. 10.0.9 × 0.04 =
  11. 11.0.04 × 3.9 =
  12. 12.2.1 × 0.29 =
  13. 13.9.1 × 3.5 =
  14. 14.9.8 × 0.19 =
  15. 15.6.1 × 0.04 =
  16. 16.0.49 × 0.4 =
  17. 17.0.85 × 2.3 =
  18. 18.5.7 × 2.5 =
  19. 19.0.74 × 2.4 =
  20. 20.8.3 × 2.9 =
  21. 21.5.4 × 0.02 =
  22. 22.5.4 × 0.3 =
  23. 23.0.48 × 3.8 =
  24. 24.0.34 × 0.4 =
  25. 25.1.4 × 0.06 =
  26. 26.4.3 × 0.07 =
  27. 27.1.6 × 0.12 =
  28. 28.3.1 × 0.7 =
  29. 29.5.5 × 3.7 =
  30. 30.6.1 × 0.7 =
  31. 31.4.7 × 0.31 =
  32. 32.7.3 × 0.2 =
  33. 33.0.64 × 2.9 =
  34. 34.3.5 × 0.19 =
  35. 35.0.22 × 3.5 =
  36. 36.0.21 × 3.5 =
  37. 37.0.3 × 1.1 =
  38. 38.0.02 × 0.3 =
  39. 39.0.86 × 2.5 =
  40. 40.0.49 × 2.4 =

Answer key

  1. 4.32
  2. 20.46
  3. 0.016
  4. 0.195
  5. 0.285
  6. 1.674
  7. 0.792
  8. 1.488
  9. 4.2
  10. 0.036
  11. 0.156
  12. 0.609
  13. 31.85
  14. 1.862
  15. 0.244
  16. 0.196
  17. 1.955
  18. 14.25
  19. 1.776
  20. 24.07
  21. 0.108
  22. 1.62
  23. 1.824
  24. 0.136
  25. 0.084
  26. 0.301
  27. 0.192
  28. 2.17
  29. 20.35
  30. 4.27
  31. 1.457
  32. 1.46
  33. 1.856
  34. 0.665
  35. 0.77
  36. 0.735
  37. 0.33
  38. 0.006
  39. 2.15
  40. 1.176

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