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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 466 · 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. 1.2.3 × 0.07 =
  2. 2.0.57 × 3.8 =
  3. 3.1.3 × 1.2 =
  4. 4.8.4 × 3.2 =
  5. 5.4.1 × 0.08 =
  6. 6.7.5 × 0.37 =
  7. 7.2.5 × 3.1 =
  8. 8.6.7 × 0.7 =
  9. 9.5.1 × 0.07 =
  10. 10.0.88 × 3.5 =
  11. 11.1.2 × 3.1 =
  12. 12.7.6 × 2.2 =
  13. 13.5.6 × 1.1 =
  14. 14.0.7 × 0.6 =
  15. 15.0.26 × 0.7 =
  16. 16.0.29 × 2.1 =
  17. 17.5.9 × 0.13 =
  18. 18.0.62 × 2.4 =
  19. 19.4.8 × 0.32 =
  20. 20.0.54 × 2.5 =
  21. 21.0.94 × 2.1 =
  22. 22.9.5 × 2.1 =
  23. 23.7.5 × 0.5 =
  24. 24.3.3 × 0.02 =
  25. 25.9.4 × 1.9 =
  26. 26.0.63 × 1.1 =
  27. 27.7.6 × 0.4 =
  28. 28.8.9 × 0.6 =
  29. 29.0.18 × 0.5 =
  30. 30.5.1 × 0.08 =
  31. 31.5.8 × 3.8 =
  32. 32.0.6 × 2.9 =
  33. 33.1.5 × 0.07 =
  34. 34.4.3 × 2.3 =
  35. 35.0.11 × 1.6 =
  36. 36.4.2 × 0.27 =
  37. 37.0.45 × 2.3 =
  38. 38.0.07 × 0.3 =
  39. 39.0.11 × 1.8 =
  40. 40.5.2 × 0.34 =

Answer key

  1. 0.161
  2. 2.166
  3. 1.56
  4. 26.88
  5. 0.328
  6. 2.775
  7. 7.75
  8. 4.69
  9. 0.357
  10. 3.08
  11. 3.72
  12. 16.72
  13. 6.16
  14. 0.42
  15. 0.182
  16. 0.609
  17. 0.767
  18. 1.488
  19. 1.536
  20. 1.35
  21. 1.974
  22. 19.95
  23. 3.75
  24. 0.066
  25. 17.86
  26. 0.693
  27. 3.04
  28. 5.34
  29. 0.09
  30. 0.408
  31. 22.04
  32. 1.74
  33. 0.105
  34. 9.89
  35. 0.176
  36. 1.134
  37. 1.035
  38. 0.021
  39. 0.198
  40. 1.768

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