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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 212 · 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. 1.0.21 × 2.3 =
  2. 2.0.17 × 3.1 =
  3. 3.4.5 × 1.1 =
  4. 4.2.1 × 0.5 =
  5. 5.8.3 × 3.8 =
  6. 6.0.96 × 3.7 =
  7. 7.2.8 × 1.5 =
  8. 8.7.3 × 1.7 =
  9. 9.0.71 × 3.7 =
  10. 10.6.1 × 0.11 =
  11. 11.0.18 × 1.1 =
  12. 12.1.3 × 2.8 =
  13. 13.0.66 × 3.1 =
  14. 14.0.38 × 1.1 =
  15. 15.7.4 × 3.3 =
  16. 16.5.5 × 1.4 =
  17. 17.0.5 × 3.1 =
  18. 18.0.72 × 1.3 =
  19. 19.0.79 × 0.2 =
  20. 20.5.7 × 0.9 =
  21. 21.2.6 × 0.32 =
  22. 22.5.8 × 0.11 =
  23. 23.0.02 × 2.3 =
  24. 24.7.3 × 0.17 =
  25. 25.0.44 × 1.3 =
  26. 26.0.57 × 3.9 =
  27. 27.0.56 × 3.5 =
  28. 28.0.5 × 0.09 =
  29. 29.0.29 × 1.7 =
  30. 30.7.6 × 0.02 =
  31. 31.9.6 × 0.36 =
  32. 32.5.1 × 2.1 =
  33. 33.6.3 × 0.11 =
  34. 34.3.7 × 0.9 =
  35. 35.7.1 × 0.08 =
  36. 36.0.48 × 2.1 =
  37. 37.0.96 × 3.3 =
  38. 38.0.18 × 3.1 =
  39. 39.0.83 × 3.1 =
  40. 40.0.31 × 3.3 =

Answer key

  1. 0.483
  2. 0.527
  3. 4.95
  4. 1.05
  5. 31.54
  6. 3.552
  7. 4.2
  8. 12.41
  9. 2.627
  10. 0.671
  11. 0.198
  12. 3.64
  13. 2.046
  14. 0.418
  15. 24.42
  16. 7.7
  17. 1.55
  18. 0.936
  19. 0.158
  20. 5.13
  21. 0.832
  22. 0.638
  23. 0.046
  24. 1.241
  25. 0.572
  26. 2.223
  27. 1.96
  28. 0.045
  29. 0.493
  30. 0.152
  31. 3.456
  32. 10.71
  33. 0.693
  34. 3.33
  35. 0.568
  36. 1.008
  37. 3.168
  38. 0.558
  39. 2.573
  40. 1.023

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