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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 209 · 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. 1.0.8 × 0.39 =
  2. 2.0.21 × 3.5 =
  3. 3.0.61 × 2.3 =
  4. 4.0.6 × 3.5 =
  5. 5.0.04 × 0.2 =
  6. 6.3.8 × 0.36 =
  7. 7.0.88 × 0.6 =
  8. 8.0.15 × 2.8 =
  9. 9.8.7 × 0.31 =
  10. 10.2.3 × 3.9 =
  11. 11.3.2 × 0.04 =
  12. 12.0.39 × 1.6 =
  13. 13.0.65 × 0.6 =
  14. 14.0.03 × 3.4 =
  15. 15.4.8 × 0.27 =
  16. 16.0.48 × 3.8 =
  17. 17.0.07 × 0.9 =
  18. 18.8.5 × 2.1 =
  19. 19.0.66 × 1.4 =
  20. 20.2.7 × 2.6 =
  21. 21.1.2 × 0.32 =
  22. 22.0.32 × 1.3 =
  23. 23.1.1 × 0.28 =
  24. 24.1.1 × 3.2 =
  25. 25.0.53 × 3.8 =
  26. 26.0.06 × 3.7 =
  27. 27.0.08 × 2.2 =
  28. 28.3.6 × 0.2 =
  29. 29.7.5 × 0.16 =
  30. 30.2.1 × 0.36 =
  31. 31.0.8 × 3.1 =
  32. 32.0.06 × 3.4 =
  33. 33.1.7 × 0.7 =
  34. 34.0.09 × 1.2 =
  35. 35.0.6 × 0.08 =
  36. 36.1.1 × 2.1 =
  37. 37.9.2 × 1.2 =
  38. 38.7.4 × 0.03 =
  39. 39.3.2 × 2.4 =
  40. 40.5.8 × 1.3 =

Answer key

  1. 0.312
  2. 0.735
  3. 1.403
  4. 2.1
  5. 0.008
  6. 1.368
  7. 0.528
  8. 0.42
  9. 2.697
  10. 8.97
  11. 0.128
  12. 0.624
  13. 0.39
  14. 0.102
  15. 1.296
  16. 1.824
  17. 0.063
  18. 17.85
  19. 0.924
  20. 7.02
  21. 0.384
  22. 0.416
  23. 0.308
  24. 3.52
  25. 2.014
  26. 0.222
  27. 0.176
  28. 0.72
  29. 1.2
  30. 0.756
  31. 2.48
  32. 0.204
  33. 1.19
  34. 0.108
  35. 0.048
  36. 2.31
  37. 11.04
  38. 0.222
  39. 7.68
  40. 7.54

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