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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 524 · 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. 1.9.9 × 0.6 =
  2. 2.6.5 × 1.1 =
  3. 3.0.92 × 2.9 =
  4. 4.0.04 × 2.4 =
  5. 5.5.9 × 0.39 =
  6. 6.0.08 × 2.1 =
  7. 7.3.8 × 2.6 =
  8. 8.5.9 × 1.1 =
  9. 9.0.13 × 2.1 =
  10. 10.0.3 × 3.1 =
  11. 11.2.8 × 0.03 =
  12. 12.0.92 × 2.1 =
  13. 13.0.22 × 2.1 =
  14. 14.0.43 × 2.1 =
  15. 15.0.6 × 2.6 =
  16. 16.0.21 × 2.4 =
  17. 17.0.95 × 0.7 =
  18. 18.0.67 × 1.5 =
  19. 19.0.99 × 3.8 =
  20. 20.0.48 × 1.2 =
  21. 21.1.4 × 0.12 =
  22. 22.0.11 × 0.5 =
  23. 23.8.9 × 0.23 =
  24. 24.0.84 × 1.4 =
  25. 25.0.83 × 1.4 =
  26. 26.0.98 × 0.6 =
  27. 27.8.1 × 0.6 =
  28. 28.0.87 × 0.5 =
  29. 29.0.26 × 1.4 =
  30. 30.6.1 × 0.16 =
  31. 31.0.27 × 0.4 =
  32. 32.9.8 × 0.05 =
  33. 33.1.5 × 0.04 =
  34. 34.3.7 × 0.22 =
  35. 35.7.4 × 0.05 =
  36. 36.8.9 × 0.18 =
  37. 37.0.42 × 3.7 =
  38. 38.0.77 × 3.2 =
  39. 39.2.6 × 0.34 =
  40. 40.7.3 × 0.9 =

Answer key

  1. 5.94
  2. 7.15
  3. 2.668
  4. 0.096
  5. 2.301
  6. 0.168
  7. 9.88
  8. 6.49
  9. 0.273
  10. 0.93
  11. 0.084
  12. 1.932
  13. 0.462
  14. 0.903
  15. 1.56
  16. 0.504
  17. 0.665
  18. 1.005
  19. 3.762
  20. 0.576
  21. 0.168
  22. 0.055
  23. 2.047
  24. 1.176
  25. 1.162
  26. 0.588
  27. 4.86
  28. 0.435
  29. 0.364
  30. 0.976
  31. 0.108
  32. 0.49
  33. 0.06
  34. 0.814
  35. 0.37
  36. 1.602
  37. 1.554
  38. 2.464
  39. 0.884
  40. 6.57

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