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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 443 · 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. 1.0.14 × 0.6 =
  2. 2.1.2 × 0.03 =
  3. 3.0.32 × 1.1 =
  4. 4.0.6 × 2.6 =
  5. 5.7.6 × 2.2 =
  6. 6.0.18 × 2.6 =
  7. 7.0.37 × 1.8 =
  8. 8.0.09 × 2.1 =
  9. 9.8.3 × 3.9 =
  10. 10.0.57 × 1.2 =
  11. 11.6.7 × 0.3 =
  12. 12.0.61 × 3.9 =
  13. 13.0.4 × 0.25 =
  14. 14.0.05 × 3.3 =
  15. 15.4.9 × 1.8 =
  16. 16.0.89 × 3.5 =
  17. 17.7.4 × 0.16 =
  18. 18.6.1 × 0.07 =
  19. 19.3.6 × 3.1 =
  20. 20.0.23 × 3.9 =
  21. 21.0.04 × 2.7 =
  22. 22.3.1 × 0.07 =
  23. 23.3.5 × 2.1 =
  24. 24.3.9 × 0.31 =
  25. 25.1.1 × 2.3 =
  26. 26.0.03 × 3.1 =
  27. 27.0.83 × 0.2 =
  28. 28.6.9 × 3.9 =
  29. 29.0.93 × 3.9 =
  30. 30.8.1 × 3.8 =
  31. 31.0.94 × 1.8 =
  32. 32.0.67 × 2.3 =
  33. 33.7.7 × 0.06 =
  34. 34.0.65 × 0.9 =
  35. 35.0.58 × 1.3 =
  36. 36.6.1 × 3.9 =
  37. 37.9.1 × 2.7 =
  38. 38.4.5 × 0.34 =
  39. 39.8.5 × 0.37 =
  40. 40.2.9 × 1.5 =

Answer key

  1. 0.084
  2. 0.036
  3. 0.352
  4. 1.56
  5. 16.72
  6. 0.468
  7. 0.666
  8. 0.189
  9. 32.37
  10. 0.684
  11. 2.01
  12. 2.379
  13. 0.1
  14. 0.165
  15. 8.82
  16. 3.115
  17. 1.184
  18. 0.427
  19. 11.16
  20. 0.897
  21. 0.108
  22. 0.217
  23. 7.35
  24. 1.209
  25. 2.53
  26. 0.093
  27. 0.166
  28. 26.91
  29. 3.627
  30. 30.78
  31. 1.692
  32. 1.541
  33. 0.462
  34. 0.585
  35. 0.754
  36. 23.79
  37. 24.57
  38. 1.53
  39. 3.145
  40. 4.35

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