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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 689 · 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 × 0.16 =
  2. 2.1.5 × 0.3 =
  3. 3.0.72 × 0.8 =
  4. 4.0.76 × 1.1 =
  5. 5.0.17 × 0.8 =
  6. 6.1.1 × 3.6 =
  7. 7.0.39 × 1.9 =
  8. 8.0.3 × 3.9 =
  9. 9.3.7 × 1.8 =
  10. 10.2.5 × 1.7 =
  11. 11.0.44 × 3.6 =
  12. 12.7.5 × 1.1 =
  13. 13.0.02 × 2.4 =
  14. 14.0.54 × 0.8 =
  15. 15.0.5 × 0.3 =
  16. 16.0.58 × 1.4 =
  17. 17.0.06 × 1.1 =
  18. 18.2.2 × 0.16 =
  19. 19.5.7 × 0.34 =
  20. 20.4.9 × 0.23 =
  21. 21.0.27 × 1.2 =
  22. 22.0.71 × 2.3 =
  23. 23.3.5 × 2.8 =
  24. 24.8.8 × 0.34 =
  25. 25.0.95 × 3.8 =
  26. 26.0.7 × 3.2 =
  27. 27.1.4 × 0.33 =
  28. 28.0.21 × 1.4 =
  29. 29.7.6 × 0.13 =
  30. 30.8.6 × 2.2 =
  31. 31.0.28 × 1.3 =
  32. 32.0.52 × 1.7 =
  33. 33.2.3 × 2.4 =
  34. 34.9.9 × 0.32 =
  35. 35.9.7 × 2.5 =
  36. 36.9.4 × 1.3 =
  37. 37.0.85 × 1.9 =
  38. 38.0.06 × 3.2 =
  39. 39.0.61 × 3.8 =
  40. 40.0.44 × 0.4 =

Answer key

  1. 0.24
  2. 0.45
  3. 0.576
  4. 0.836
  5. 0.136
  6. 3.96
  7. 0.741
  8. 1.17
  9. 6.66
  10. 4.25
  11. 1.584
  12. 8.25
  13. 0.048
  14. 0.432
  15. 0.15
  16. 0.812
  17. 0.066
  18. 0.352
  19. 1.938
  20. 1.127
  21. 0.324
  22. 1.633
  23. 9.8
  24. 2.992
  25. 3.61
  26. 2.24
  27. 0.462
  28. 0.294
  29. 0.988
  30. 18.92
  31. 0.364
  32. 0.884
  33. 5.52
  34. 3.168
  35. 24.25
  36. 12.22
  37. 1.615
  38. 0.192
  39. 2.318
  40. 0.176

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