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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 608 · 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. 1.0.19 × 3.2 =
  2. 2.1.1 × 0.18 =
  3. 3.0.58 × 3.1 =
  4. 4.2.1 × 0.05 =
  5. 5.0.43 × 3.5 =
  6. 6.0.17 × 2.1 =
  7. 7.0.43 × 0.2 =
  8. 8.0.64 × 3.2 =
  9. 9.0.39 × 3.5 =
  10. 10.3.1 × 0.35 =
  11. 11.3.1 × 0.05 =
  12. 12.5.4 × 2.8 =
  13. 13.6.4 × 3.8 =
  14. 14.0.15 × 2.5 =
  15. 15.0.61 × 0.7 =
  16. 16.7.1 × 2.5 =
  17. 17.8.3 × 2.4 =
  18. 18.0.62 × 0.2 =
  19. 19.1.1 × 0.17 =
  20. 20.0.42 × 2.1 =
  21. 21.0.87 × 0.6 =
  22. 22.9.1 × 3.7 =
  23. 23.2.3 × 3.1 =
  24. 24.0.7 × 1.3 =
  25. 25.0.48 × 3.6 =
  26. 26.3.7 × 0.9 =
  27. 27.7.5 × 0.37 =
  28. 28.4.5 × 2.7 =
  29. 29.4.1 × 0.8 =
  30. 30.0.3 × 0.17 =
  31. 31.2.6 × 0.3 =
  32. 32.6.9 × 0.34 =
  33. 33.0.55 × 3.1 =
  34. 34.0.69 × 1.3 =
  35. 35.0.47 × 1.7 =
  36. 36.0.29 × 1.3 =
  37. 37.1.7 × 0.23 =
  38. 38.9.6 × 3.3 =
  39. 39.0.05 × 2.5 =
  40. 40.0.11 × 1.1 =

Answer key

  1. 0.608
  2. 0.198
  3. 1.798
  4. 0.105
  5. 1.505
  6. 0.357
  7. 0.086
  8. 2.048
  9. 1.365
  10. 1.085
  11. 0.155
  12. 15.12
  13. 24.32
  14. 0.375
  15. 0.427
  16. 17.75
  17. 19.92
  18. 0.124
  19. 0.187
  20. 0.882
  21. 0.522
  22. 33.67
  23. 7.13
  24. 0.91
  25. 1.728
  26. 3.33
  27. 2.775
  28. 12.15
  29. 3.28
  30. 0.051
  31. 0.78
  32. 2.346
  33. 1.705
  34. 0.897
  35. 0.799
  36. 0.377
  37. 0.391
  38. 31.68
  39. 0.125
  40. 0.121

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