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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 697 · 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. 1.1.4 × 3.8 =
  2. 2.1.6 × 2.7 =
  3. 3.0.39 × 3.3 =
  4. 4.6.5 × 0.24 =
  5. 5.0.9 × 3.8 =
  6. 6.3.3 × 3.8 =
  7. 7.6.4 × 1.7 =
  8. 8.0.18 × 3.9 =
  9. 9.7.9 × 0.38 =
  10. 10.0.41 × 3.4 =
  11. 11.0.85 × 1.6 =
  12. 12.0.67 × 1.4 =
  13. 13.0.41 × 1.7 =
  14. 14.3.6 × 1.1 =
  15. 15.0.04 × 3.9 =
  16. 16.9.4 × 0.31 =
  17. 17.1.1 × 0.9 =
  18. 18.0.84 × 3.2 =
  19. 19.1.4 × 0.19 =
  20. 20.0.81 × 0.5 =
  21. 21.0.63 × 1.3 =
  22. 22.0.05 × 3.4 =
  23. 23.0.13 × 0.9 =
  24. 24.0.9 × 3.5 =
  25. 25.0.54 × 3.8 =
  26. 26.0.21 × 3.4 =
  27. 27.2.3 × 0.21 =
  28. 28.9.5 × 0.35 =
  29. 29.7.9 × 0.22 =
  30. 30.0.69 × 2.8 =
  31. 31.5.4 × 2.1 =
  32. 32.2.2 × 0.23 =
  33. 33.4.8 × 3.6 =
  34. 34.6.9 × 0.4 =
  35. 35.0.45 × 1.6 =
  36. 36.0.98 × 1.1 =
  37. 37.9.3 × 0.39 =
  38. 38.2.6 × 1.1 =
  39. 39.0.66 × 1.7 =
  40. 40.8.5 × 1.9 =

Answer key

  1. 5.32
  2. 4.32
  3. 1.287
  4. 1.56
  5. 3.42
  6. 12.54
  7. 10.88
  8. 0.702
  9. 3.002
  10. 1.394
  11. 1.36
  12. 0.938
  13. 0.697
  14. 3.96
  15. 0.156
  16. 2.914
  17. 0.99
  18. 2.688
  19. 0.266
  20. 0.405
  21. 0.819
  22. 0.17
  23. 0.117
  24. 3.15
  25. 2.052
  26. 0.714
  27. 0.483
  28. 3.325
  29. 1.738
  30. 1.932
  31. 11.34
  32. 0.506
  33. 17.28
  34. 2.76
  35. 0.72
  36. 1.078
  37. 3.627
  38. 2.86
  39. 1.122
  40. 16.15

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