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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 982 · 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. 1.0.82 × 0.6 =
  2. 2.4.7 × 3.3 =
  3. 3.0.3 × 3.1 =
  4. 4.0.05 × 0.9 =
  5. 5.0.7 × 0.05 =
  6. 6.0.41 × 2.2 =
  7. 7.4.1 × 0.9 =
  8. 8.4.2 × 0.23 =
  9. 9.9.2 × 0.38 =
  10. 10.0.13 × 3.7 =
  11. 11.6.6 × 3.1 =
  12. 12.0.67 × 0.9 =
  13. 13.8.9 × 0.4 =
  14. 14.0.29 × 0.9 =
  15. 15.8.2 × 3.8 =
  16. 16.0.27 × 2.1 =
  17. 17.0.26 × 0.8 =
  18. 18.0.96 × 1.1 =
  19. 19.8.4 × 0.33 =
  20. 20.0.83 × 2.5 =
  21. 21.0.19 × 0.7 =
  22. 22.0.78 × 2.1 =
  23. 23.0.08 × 1.7 =
  24. 24.0.68 × 0.6 =
  25. 25.7.5 × 0.17 =
  26. 26.6.6 × 2.7 =
  27. 27.2.6 × 3.3 =
  28. 28.0.26 × 2.4 =
  29. 29.0.25 × 0.4 =
  30. 30.7.3 × 0.3 =
  31. 31.0.91 × 2.7 =
  32. 32.5.2 × 3.6 =
  33. 33.7.3 × 0.06 =
  34. 34.0.48 × 0.4 =
  35. 35.0.45 × 3.3 =
  36. 36.1.5 × 0.34 =
  37. 37.0.11 × 0.3 =
  38. 38.3.7 × 0.02 =
  39. 39.0.27 × 3.4 =
  40. 40.0.91 × 2.3 =

Answer key

  1. 0.492
  2. 15.51
  3. 0.93
  4. 0.045
  5. 0.035
  6. 0.902
  7. 3.69
  8. 0.966
  9. 3.496
  10. 0.481
  11. 20.46
  12. 0.603
  13. 3.56
  14. 0.261
  15. 31.16
  16. 0.567
  17. 0.208
  18. 1.056
  19. 2.772
  20. 2.075
  21. 0.133
  22. 1.638
  23. 0.136
  24. 0.408
  25. 1.275
  26. 17.82
  27. 8.58
  28. 0.624
  29. 0.1
  30. 2.19
  31. 2.457
  32. 18.72
  33. 0.438
  34. 0.192
  35. 1.485
  36. 0.51
  37. 0.033
  38. 0.074
  39. 0.918
  40. 2.093

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