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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 546 · 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 × 0.18 =
  2. 2.0.82 × 2.3 =
  3. 3.4.2 × 0.6 =
  4. 4.0.02 × 1.7 =
  5. 5.0.44 × 3.3 =
  6. 6.0.43 × 2.2 =
  7. 7.8.7 × 0.9 =
  8. 8.6.6 × 0.07 =
  9. 9.0.27 × 1.3 =
  10. 10.9.2 × 3.8 =
  11. 11.5.2 × 0.02 =
  12. 12.0.2 × 0.15 =
  13. 13.4.8 × 1.2 =
  14. 14.0.18 × 1.1 =
  15. 15.0.51 × 1.8 =
  16. 16.7.2 × 0.05 =
  17. 17.3.9 × 0.7 =
  18. 18.4.7 × 0.04 =
  19. 19.0.6 × 3.2 =
  20. 20.0.66 × 0.5 =
  21. 21.4.6 × 3.2 =
  22. 22.7.4 × 0.25 =
  23. 23.3.3 × 0.38 =
  24. 24.0.78 × 3.8 =
  25. 25.0.69 × 1.2 =
  26. 26.1.3 × 1.1 =
  27. 27.0.54 × 2.5 =
  28. 28.8.8 × 2.5 =
  29. 29.0.04 × 3.4 =
  30. 30.0.68 × 0.4 =
  31. 31.5.6 × 0.07 =
  32. 32.0.2 × 2.5 =
  33. 33.9.2 × 0.39 =
  34. 34.0.21 × 0.6 =
  35. 35.0.98 × 1.1 =
  36. 36.2.4 × 3.8 =
  37. 37.0.29 × 1.7 =
  38. 38.8.1 × 0.16 =
  39. 39.6.3 × 3.4 =
  40. 40.0.02 × 1.6 =

Answer key

  1. 1.548
  2. 1.886
  3. 2.52
  4. 0.034
  5. 1.452
  6. 0.946
  7. 7.83
  8. 0.462
  9. 0.351
  10. 34.96
  11. 0.104
  12. 0.03
  13. 5.76
  14. 0.198
  15. 0.918
  16. 0.36
  17. 2.73
  18. 0.188
  19. 1.92
  20. 0.33
  21. 14.72
  22. 1.85
  23. 1.254
  24. 2.964
  25. 0.828
  26. 1.43
  27. 1.35
  28. 22
  29. 0.136
  30. 0.272
  31. 0.392
  32. 0.5
  33. 3.588
  34. 0.126
  35. 1.078
  36. 9.12
  37. 0.493
  38. 1.296
  39. 21.42
  40. 0.032

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