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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 873 · 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. 1.9.5 × 0.36 =
  2. 2.2.1 × 0.9 =
  3. 3.7.8 × 0.8 =
  4. 4.9.5 × 3.4 =
  5. 5.7.2 × 1.9 =
  6. 6.5.3 × 1.9 =
  7. 7.7.7 × 0.22 =
  8. 8.0.74 × 1.1 =
  9. 9.0.55 × 3.1 =
  10. 10.8.6 × 0.5 =
  11. 11.8.1 × 0.11 =
  12. 12.7.6 × 0.05 =
  13. 13.8.2 × 2.4 =
  14. 14.0.08 × 0.6 =
  15. 15.2.4 × 0.36 =
  16. 16.7.8 × 2.3 =
  17. 17.0.45 × 3.7 =
  18. 18.1.9 × 0.11 =
  19. 19.5.1 × 1.1 =
  20. 20.2.5 × 0.2 =
  21. 21.0.54 × 0.8 =
  22. 22.0.04 × 1.1 =
  23. 23.6.1 × 0.23 =
  24. 24.0.2 × 0.07 =
  25. 25.7.3 × 0.24 =
  26. 26.0.18 × 1.3 =
  27. 27.0.93 × 1.8 =
  28. 28.0.53 × 2.1 =
  29. 29.3.5 × 0.07 =
  30. 30.0.48 × 2.6 =
  31. 31.2.3 × 0.5 =
  32. 32.2.1 × 3.7 =
  33. 33.3.7 × 3.1 =
  34. 34.3.8 × 0.39 =
  35. 35.0.68 × 0.7 =
  36. 36.0.95 × 1.7 =
  37. 37.4.1 × 2.4 =
  38. 38.8.4 × 3.1 =
  39. 39.0.17 × 1.2 =
  40. 40.5.4 × 3.1 =

Answer key

  1. 3.42
  2. 1.89
  3. 6.24
  4. 32.3
  5. 13.68
  6. 10.07
  7. 1.694
  8. 0.814
  9. 1.705
  10. 4.3
  11. 0.891
  12. 0.38
  13. 19.68
  14. 0.048
  15. 0.864
  16. 17.94
  17. 1.665
  18. 0.209
  19. 5.61
  20. 0.5
  21. 0.432
  22. 0.044
  23. 1.403
  24. 0.014
  25. 1.752
  26. 0.234
  27. 1.674
  28. 1.113
  29. 0.245
  30. 1.248
  31. 1.15
  32. 7.77
  33. 11.47
  34. 1.482
  35. 0.476
  36. 1.615
  37. 9.84
  38. 26.04
  39. 0.204
  40. 16.74

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