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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 3 · 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 × 2.2 =
  2. 2.0.6 × 2.8 =
  3. 3.1.1 × 0.8 =
  4. 4.0.76 × 2.8 =
  5. 5.0.2 × 2.3 =
  6. 6.0.18 × 0.2 =
  7. 7.0.35 × 3.7 =
  8. 8.0.08 × 1.6 =
  9. 9.0.72 × 3.2 =
  10. 10.2.9 × 0.11 =
  11. 11.0.49 × 1.2 =
  12. 12.7.3 × 0.5 =
  13. 13.7.9 × 0.33 =
  14. 14.0.7 × 0.09 =
  15. 15.3.3 × 2.1 =
  16. 16.0.82 × 2.4 =
  17. 17.4.1 × 0.13 =
  18. 18.0.35 × 0.2 =
  19. 19.4.9 × 0.24 =
  20. 20.1.4 × 0.37 =
  21. 21.0.62 × 1.7 =
  22. 22.1.4 × 0.32 =
  23. 23.1.1 × 0.08 =
  24. 24.3.7 × 2.3 =
  25. 25.9.1 × 0.32 =
  26. 26.2.1 × 0.17 =
  27. 27.0.44 × 1.6 =
  28. 28.0.55 × 3.2 =
  29. 29.0.94 × 1.5 =
  30. 30.0.29 × 1.1 =
  31. 31.3.1 × 0.9 =
  32. 32.6.8 × 1.8 =
  33. 33.6.1 × 0.24 =
  34. 34.6.5 × 0.27 =
  35. 35.0.8 × 0.07 =
  36. 36.8.3 × 0.06 =
  37. 37.0.18 × 0.5 =
  38. 38.0.03 × 3.2 =
  39. 39.0.21 × 2.9 =
  40. 40.2.5 × 0.21 =

Answer key

  1. 0.902
  2. 1.68
  3. 0.88
  4. 2.128
  5. 0.46
  6. 0.036
  7. 1.295
  8. 0.128
  9. 2.304
  10. 0.319
  11. 0.588
  12. 3.65
  13. 2.607
  14. 0.063
  15. 6.93
  16. 1.968
  17. 0.533
  18. 0.07
  19. 1.176
  20. 0.518
  21. 1.054
  22. 0.448
  23. 0.088
  24. 8.51
  25. 2.912
  26. 0.357
  27. 0.704
  28. 1.76
  29. 1.41
  30. 0.319
  31. 2.79
  32. 12.24
  33. 1.464
  34. 1.755
  35. 0.056
  36. 0.498
  37. 0.09
  38. 0.096
  39. 0.609
  40. 0.525

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