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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 496 · 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. 1.2.9 × 0.18 =
  2. 2.0.72 × 3.1 =
  3. 3.6.1 × 1.1 =
  4. 4.0.87 × 2.1 =
  5. 5.0.25 × 3.1 =
  6. 6.1.5 × 2.9 =
  7. 7.5.2 × 1.3 =
  8. 8.4.1 × 1.4 =
  9. 9.0.44 × 1.8 =
  10. 10.0.57 × 2.7 =
  11. 11.0.09 × 2.4 =
  12. 12.0.14 × 2.9 =
  13. 13.6.5 × 0.9 =
  14. 14.0.3 × 1.4 =
  15. 15.9.1 × 1.1 =
  16. 16.9.7 × 3.6 =
  17. 17.9.3 × 0.4 =
  18. 18.0.71 × 3.9 =
  19. 19.1.1 × 1.5 =
  20. 20.0.57 × 0.6 =
  21. 21.4.1 × 0.37 =
  22. 22.9.9 × 2.4 =
  23. 23.8.4 × 0.22 =
  24. 24.0.6 × 2.7 =
  25. 25.0.84 × 0.8 =
  26. 26.9.4 × 2.4 =
  27. 27.6.3 × 0.03 =
  28. 28.0.18 × 1.4 =
  29. 29.9.7 × 1.2 =
  30. 30.1.8 × 2.4 =
  31. 31.0.82 × 1.8 =
  32. 32.9.2 × 2.2 =
  33. 33.0.72 × 2.8 =
  34. 34.0.85 × 0.2 =
  35. 35.0.07 × 1.6 =
  36. 36.8.3 × 3.6 =
  37. 37.0.86 × 2.5 =
  38. 38.0.71 × 1.2 =
  39. 39.0.45 × 2.3 =
  40. 40.7.6 × 0.9 =

Answer key

  1. 0.522
  2. 2.232
  3. 6.71
  4. 1.827
  5. 0.775
  6. 4.35
  7. 6.76
  8. 5.74
  9. 0.792
  10. 1.539
  11. 0.216
  12. 0.406
  13. 5.85
  14. 0.42
  15. 10.01
  16. 34.92
  17. 3.72
  18. 2.769
  19. 1.65
  20. 0.342
  21. 1.517
  22. 23.76
  23. 1.848
  24. 1.62
  25. 0.672
  26. 22.56
  27. 0.189
  28. 0.252
  29. 11.64
  30. 4.32
  31. 1.476
  32. 20.24
  33. 2.016
  34. 0.17
  35. 0.112
  36. 29.88
  37. 2.15
  38. 0.852
  39. 1.035
  40. 6.84

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