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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 962 · 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. 1.0.47 × 2.6 =
  2. 2.0.61 × 3.2 =
  3. 3.6.8 × 1.8 =
  4. 4.0.11 × 1.6 =
  5. 5.0.59 × 0.4 =
  6. 6.0.57 × 1.2 =
  7. 7.0.47 × 1.7 =
  8. 8.0.39 × 1.1 =
  9. 9.7.5 × 0.39 =
  10. 10.6.6 × 0.02 =
  11. 11.1.2 × 0.05 =
  12. 12.0.43 × 3.6 =
  13. 13.4.3 × 0.05 =
  14. 14.0.96 × 2.2 =
  15. 15.0.61 × 1.7 =
  16. 16.0.38 × 3.4 =
  17. 17.8.5 × 2.9 =
  18. 18.5.2 × 1.2 =
  19. 19.7.7 × 0.18 =
  20. 20.0.81 × 3.8 =
  21. 21.4.2 × 0.27 =
  22. 22.4.3 × 2.1 =
  23. 23.1.5 × 0.3 =
  24. 24.0.84 × 3.7 =
  25. 25.0.67 × 3.7 =
  26. 26.8.3 × 1.2 =
  27. 27.0.12 × 2.9 =
  28. 28.0.44 × 0.2 =
  29. 29.3.5 × 0.5 =
  30. 30.0.73 × 0.3 =
  31. 31.0.61 × 1.8 =
  32. 32.7.6 × 0.11 =
  33. 33.0.39 × 3.1 =
  34. 34.6.4 × 1.1 =
  35. 35.2.7 × 1.9 =
  36. 36.0.34 × 1.1 =
  37. 37.3.9 × 3.8 =
  38. 38.0.71 × 3.2 =
  39. 39.5.7 × 0.03 =
  40. 40.9.8 × 2.1 =

Answer key

  1. 1.222
  2. 1.952
  3. 12.24
  4. 0.176
  5. 0.236
  6. 0.684
  7. 0.799
  8. 0.429
  9. 2.925
  10. 0.132
  11. 0.06
  12. 1.548
  13. 0.215
  14. 2.112
  15. 1.037
  16. 1.292
  17. 24.65
  18. 6.24
  19. 1.386
  20. 3.078
  21. 1.134
  22. 9.03
  23. 0.45
  24. 3.108
  25. 2.479
  26. 9.96
  27. 0.348
  28. 0.088
  29. 1.75
  30. 0.219
  31. 1.098
  32. 0.836
  33. 1.209
  34. 7.04
  35. 5.13
  36. 0.374
  37. 14.82
  38. 2.272
  39. 0.171
  40. 20.58

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