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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 293 · 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. 1.0.24 × 1.9 =
  2. 2.0.63 × 2.3 =
  3. 3.0.49 × 0.4 =
  4. 4.4.3 × 3.8 =
  5. 5.0.32 × 1.9 =
  6. 6.0.73 × 2.5 =
  7. 7.0.6 × 3.4 =
  8. 8.0.13 × 2.8 =
  9. 9.0.15 × 1.3 =
  10. 10.0.5 × 0.12 =
  11. 11.0.2 × 0.23 =
  12. 12.0.28 × 0.3 =
  13. 13.0.17 × 1.1 =
  14. 14.0.19 × 3.1 =
  15. 15.0.36 × 0.8 =
  16. 16.9.3 × 0.23 =
  17. 17.0.79 × 3.7 =
  18. 18.6.4 × 0.6 =
  19. 19.4.1 × 1.7 =
  20. 20.5.2 × 1.1 =
  21. 21.3.8 × 0.4 =
  22. 22.0.37 × 2.1 =
  23. 23.8.3 × 2.5 =
  24. 24.8.7 × 1.4 =
  25. 25.0.57 × 2.7 =
  26. 26.0.35 × 3.2 =
  27. 27.0.9 × 0.2 =
  28. 28.0.81 × 1.6 =
  29. 29.0.99 × 0.7 =
  30. 30.0.79 × 0.6 =
  31. 31.0.34 × 2.9 =
  32. 32.0.39 × 2.2 =
  33. 33.2.4 × 3.8 =
  34. 34.0.85 × 2.4 =
  35. 35.1.1 × 0.33 =
  36. 36.0.89 × 1.5 =
  37. 37.3.1 × 0.24 =
  38. 38.2.5 × 0.36 =
  39. 39.9.5 × 2.8 =
  40. 40.0.81 × 3.1 =

Answer key

  1. 0.456
  2. 1.449
  3. 0.196
  4. 16.34
  5. 0.608
  6. 1.825
  7. 2.04
  8. 0.364
  9. 0.195
  10. 0.06
  11. 0.046
  12. 0.084
  13. 0.187
  14. 0.589
  15. 0.288
  16. 2.139
  17. 2.923
  18. 3.84
  19. 6.97
  20. 5.72
  21. 1.52
  22. 0.777
  23. 20.75
  24. 12.18
  25. 1.539
  26. 1.12
  27. 0.18
  28. 1.296
  29. 0.693
  30. 0.474
  31. 0.986
  32. 0.858
  33. 9.12
  34. 2.04
  35. 0.363
  36. 1.335
  37. 0.744
  38. 0.9
  39. 26.6
  40. 2.511

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