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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 38 · 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. 1.7.2 × 0.21 =
  2. 2.0.16 × 3.9 =
  3. 3.0.98 × 0.9 =
  4. 4.5.1 × 0.19 =
  5. 5.2.7 × 0.35 =
  6. 6.5.7 × 1.3 =
  7. 7.0.52 × 1.3 =
  8. 8.2.4 × 0.14 =
  9. 9.2.6 × 2.2 =
  10. 10.8.1 × 0.03 =
  11. 11.2.2 × 1.2 =
  12. 12.0.97 × 1.1 =
  13. 13.3.6 × 0.21 =
  14. 14.0.08 × 0.6 =
  15. 15.0.94 × 3.2 =
  16. 16.0.32 × 0.6 =
  17. 17.2.9 × 0.6 =
  18. 18.0.03 × 2.6 =
  19. 19.0.6 × 2.1 =
  20. 20.1.8 × 2.6 =
  21. 21.0.7 × 0.3 =
  22. 22.0.16 × 0.7 =
  23. 23.0.11 × 3.4 =
  24. 24.0.08 × 2.2 =
  25. 25.4.1 × 2.8 =
  26. 26.0.34 × 3.1 =
  27. 27.7.4 × 1.6 =
  28. 28.0.17 × 3.2 =
  29. 29.0.42 × 2.3 =
  30. 30.1.7 × 0.8 =
  31. 31.0.39 × 1.5 =
  32. 32.9.5 × 1.8 =
  33. 33.7.1 × 0.27 =
  34. 34.8.1 × 3.1 =
  35. 35.0.7 × 3.5 =
  36. 36.2.3 × 1.7 =
  37. 37.8.3 × 1.7 =
  38. 38.7.1 × 0.5 =
  39. 39.0.49 × 1.8 =
  40. 40.7.3 × 0.25 =

Answer key

  1. 1.512
  2. 0.624
  3. 0.882
  4. 0.969
  5. 0.945
  6. 7.41
  7. 0.676
  8. 0.336
  9. 5.72
  10. 0.243
  11. 2.64
  12. 1.067
  13. 0.756
  14. 0.048
  15. 3.008
  16. 0.192
  17. 1.74
  18. 0.078
  19. 1.26
  20. 4.68
  21. 0.21
  22. 0.112
  23. 0.374
  24. 0.176
  25. 11.48
  26. 1.054
  27. 11.84
  28. 0.544
  29. 0.966
  30. 1.36
  31. 0.585
  32. 17.1
  33. 1.917
  34. 25.11
  35. 2.45
  36. 3.91
  37. 14.11
  38. 3.55
  39. 0.882
  40. 1.825

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