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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 183 · 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. 1.0.08 × 1.1 =
  2. 2.0.11 × 2.7 =
  3. 3.0.84 × 2.9 =
  4. 4.8.1 × 0.22 =
  5. 5.5.7 × 2.5 =
  6. 6.9.8 × 1.7 =
  7. 7.0.85 × 1.1 =
  8. 8.6.6 × 0.31 =
  9. 9.0.17 × 0.2 =
  10. 10.1.1 × 0.05 =
  11. 11.0.7 × 0.11 =
  12. 12.0.32 × 3.3 =
  13. 13.2.7 × 3.6 =
  14. 14.0.17 × 1.5 =
  15. 15.0.9 × 0.37 =
  16. 16.4.3 × 0.21 =
  17. 17.0.96 × 1.6 =
  18. 18.9.1 × 0.11 =
  19. 19.0.61 × 2.8 =
  20. 20.4.5 × 0.06 =
  21. 21.0.37 × 1.9 =
  22. 22.0.31 × 2.9 =
  23. 23.0.07 × 1.6 =
  24. 24.0.89 × 2.5 =
  25. 25.0.34 × 3.2 =
  26. 26.7.6 × 1.1 =
  27. 27.0.22 × 1.1 =
  28. 28.0.51 × 3.9 =
  29. 29.2.3 × 0.35 =
  30. 30.7.2 × 3.9 =
  31. 31.0.54 × 0.2 =
  32. 32.0.36 × 1.1 =
  33. 33.0.61 × 3.6 =
  34. 34.8.3 × 0.06 =
  35. 35.0.8 × 0.7 =
  36. 36.4.1 × 3.5 =
  37. 37.6.1 × 0.15 =
  38. 38.0.41 × 0.6 =
  39. 39.0.4 × 3.8 =
  40. 40.0.71 × 1.9 =

Answer key

  1. 0.088
  2. 0.297
  3. 2.436
  4. 1.782
  5. 14.25
  6. 16.66
  7. 0.935
  8. 2.046
  9. 0.034
  10. 0.055
  11. 0.077
  12. 1.056
  13. 9.72
  14. 0.255
  15. 0.333
  16. 0.903
  17. 1.536
  18. 1.001
  19. 1.708
  20. 0.27
  21. 0.703
  22. 0.899
  23. 0.112
  24. 2.225
  25. 1.088
  26. 8.36
  27. 0.242
  28. 1.989
  29. 0.805
  30. 28.08
  31. 0.108
  32. 0.396
  33. 2.196
  34. 0.498
  35. 0.56
  36. 14.35
  37. 0.915
  38. 0.246
  39. 1.52
  40. 1.349

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