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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 431 · 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. 1.0.69 × 2.9 =
  2. 2.0.5 × 3.9 =
  3. 3.0.93 × 1.1 =
  4. 4.0.26 × 2.2 =
  5. 5.6.3 × 0.12 =
  6. 6.0.57 × 3.6 =
  7. 7.0.54 × 2.3 =
  8. 8.0.65 × 0.5 =
  9. 9.6.5 × 0.14 =
  10. 10.1.1 × 2.8 =
  11. 11.0.69 × 2.3 =
  12. 12.0.25 × 1.4 =
  13. 13.0.08 × 1.1 =
  14. 14.0.36 × 0.8 =
  15. 15.0.95 × 2.2 =
  16. 16.0.68 × 0.8 =
  17. 17.3.6 × 2.1 =
  18. 18.4.1 × 0.25 =
  19. 19.0.58 × 0.7 =
  20. 20.4.7 × 3.8 =
  21. 21.0.41 × 0.3 =
  22. 22.0.79 × 0.4 =
  23. 23.4.6 × 0.03 =
  24. 24.4.1 × 0.17 =
  25. 25.0.61 × 1.8 =
  26. 26.0.76 × 3.1 =
  27. 27.4.9 × 1.8 =
  28. 28.7.8 × 2.5 =
  29. 29.9.7 × 0.08 =
  30. 30.1.2 × 0.04 =
  31. 31.0.55 × 0.2 =
  32. 32.0.54 × 1.6 =
  33. 33.4.2 × 0.26 =
  34. 34.0.18 × 0.6 =
  35. 35.0.41 × 1.8 =
  36. 36.0.38 × 2.4 =
  37. 37.4.3 × 1.2 =
  38. 38.0.94 × 1.1 =
  39. 39.1.4 × 0.04 =
  40. 40.0.69 × 1.4 =

Answer key

  1. 2.001
  2. 1.95
  3. 1.023
  4. 0.572
  5. 0.756
  6. 2.052
  7. 1.242
  8. 0.325
  9. 0.91
  10. 3.08
  11. 1.587
  12. 0.35
  13. 0.088
  14. 0.288
  15. 2.09
  16. 0.544
  17. 7.56
  18. 1.025
  19. 0.406
  20. 17.86
  21. 0.123
  22. 0.316
  23. 0.138
  24. 0.697
  25. 1.098
  26. 2.356
  27. 8.82
  28. 19.5
  29. 0.776
  30. 0.048
  31. 0.11
  32. 0.864
  33. 1.092
  34. 0.108
  35. 0.738
  36. 0.912
  37. 5.16
  38. 1.034
  39. 0.056
  40. 0.966

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