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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 371 · 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. 1.1.5 × 1.3 =
  2. 2.0.91 × 1.8 =
  3. 3.0.05 × 1.1 =
  4. 4.0.3 × 3.1 =
  5. 5.1.1 × 0.21 =
  6. 6.8.2 × 0.36 =
  7. 7.1.7 × 0.18 =
  8. 8.3.9 × 0.02 =
  9. 9.0.21 × 3.1 =
  10. 10.0.72 × 2.7 =
  11. 11.0.45 × 2.7 =
  12. 12.0.56 × 1.6 =
  13. 13.0.82 × 0.9 =
  14. 14.0.44 × 2.4 =
  15. 15.0.28 × 0.5 =
  16. 16.5.7 × 0.28 =
  17. 17.0.79 × 1.1 =
  18. 18.9.1 × 0.2 =
  19. 19.3.2 × 2.1 =
  20. 20.3.5 × 2.8 =
  21. 21.0.14 × 3.1 =
  22. 22.0.22 × 0.5 =
  23. 23.0.16 × 2.1 =
  24. 24.0.22 × 3.2 =
  25. 25.2.1 × 0.28 =
  26. 26.5.2 × 1.1 =
  27. 27.6.5 × 0.21 =
  28. 28.4.2 × 1.7 =
  29. 29.8.8 × 2.9 =
  30. 30.0.35 × 0.9 =
  31. 31.0.61 × 0.7 =
  32. 32.0.03 × 1.4 =
  33. 33.8.3 × 3.2 =
  34. 34.0.4 × 0.3 =
  35. 35.8.2 × 3.9 =
  36. 36.0.2 × 0.31 =
  37. 37.6.4 × 0.22 =
  38. 38.0.79 × 0.6 =
  39. 39.0.59 × 0.8 =
  40. 40.0.84 × 0.3 =

Answer key

  1. 1.95
  2. 1.638
  3. 0.055
  4. 0.93
  5. 0.231
  6. 2.952
  7. 0.306
  8. 0.078
  9. 0.651
  10. 1.944
  11. 1.215
  12. 0.896
  13. 0.738
  14. 1.056
  15. 0.14
  16. 1.596
  17. 0.869
  18. 1.82
  19. 6.72
  20. 9.8
  21. 0.434
  22. 0.11
  23. 0.336
  24. 0.704
  25. 0.588
  26. 5.72
  27. 1.365
  28. 7.14
  29. 25.52
  30. 0.315
  31. 0.427
  32. 0.042
  33. 26.56
  34. 0.12
  35. 31.98
  36. 0.062
  37. 1.408
  38. 0.474
  39. 0.472
  40. 0.252

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