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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 630 · 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. 1.0.57 × 3.4 =
  2. 2.0.19 × 0.3 =
  3. 3.5.7 × 0.06 =
  4. 4.2.6 × 1.4 =
  5. 5.0.83 × 1.9 =
  6. 6.0.12 × 1.5 =
  7. 7.0.06 × 1.4 =
  8. 8.1.9 × 0.09 =
  9. 9.0.68 × 3.2 =
  10. 10.0.15 × 2.1 =
  11. 11.0.7 × 0.31 =
  12. 12.0.69 × 1.9 =
  13. 13.2.3 × 0.21 =
  14. 14.0.73 × 2.3 =
  15. 15.0.44 × 1.1 =
  16. 16.0.47 × 3.5 =
  17. 17.6.9 × 1.4 =
  18. 18.0.94 × 3.1 =
  19. 19.7.3 × 0.29 =
  20. 20.7.2 × 0.07 =
  21. 21.0.16 × 3.9 =
  22. 22.0.41 × 1.8 =
  23. 23.0.05 × 0.4 =
  24. 24.3.1 × 0.9 =
  25. 25.8.1 × 0.27 =
  26. 26.0.03 × 2.6 =
  27. 27.3.9 × 1.3 =
  28. 28.5.3 × 0.11 =
  29. 29.5.5 × 0.15 =
  30. 30.0.2 × 0.9 =
  31. 31.0.13 × 3.3 =
  32. 32.2.8 × 0.13 =
  33. 33.8.7 × 0.4 =
  34. 34.3.6 × 3.8 =
  35. 35.0.51 × 0.9 =
  36. 36.0.88 × 0.3 =
  37. 37.6.1 × 0.33 =
  38. 38.0.3 × 0.08 =
  39. 39.0.3 × 0.17 =
  40. 40.9.4 × 0.31 =

Answer key

  1. 1.938
  2. 0.057
  3. 0.342
  4. 3.64
  5. 1.577
  6. 0.18
  7. 0.084
  8. 0.171
  9. 2.176
  10. 0.315
  11. 0.217
  12. 1.311
  13. 0.483
  14. 1.679
  15. 0.484
  16. 1.645
  17. 9.66
  18. 2.914
  19. 2.117
  20. 0.504
  21. 0.624
  22. 0.738
  23. 0.02
  24. 2.79
  25. 2.187
  26. 0.078
  27. 5.07
  28. 0.583
  29. 0.825
  30. 0.18
  31. 0.429
  32. 0.364
  33. 3.48
  34. 13.68
  35. 0.459
  36. 0.264
  37. 2.013
  38. 0.024
  39. 0.051
  40. 2.914

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