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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 884 · 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. 1.3.5 × 0.36 =
  2. 2.8.8 × 0.05 =
  3. 3.0.73 × 1.7 =
  4. 4.1.1 × 0.06 =
  5. 5.0.37 × 1.1 =
  6. 6.5.2 × 2.4 =
  7. 7.0.61 × 1.6 =
  8. 8.0.97 × 2.5 =
  9. 9.0.02 × 1.2 =
  10. 10.0.41 × 2.5 =
  11. 11.0.8 × 2.8 =
  12. 12.5.3 × 0.5 =
  13. 13.4.9 × 0.19 =
  14. 14.0.35 × 2.9 =
  15. 15.0.6 × 0.8 =
  16. 16.8.3 × 0.34 =
  17. 17.0.05 × 3.6 =
  18. 18.6.3 × 1.1 =
  19. 19.0.2 × 0.09 =
  20. 20.8.1 × 0.12 =
  21. 21.0.7 × 0.18 =
  22. 22.0.73 × 1.2 =
  23. 23.0.11 × 1.7 =
  24. 24.0.41 × 1.3 =
  25. 25.0.74 × 1.5 =
  26. 26.2.6 × 2.8 =
  27. 27.8.9 × 0.11 =
  28. 28.4.9 × 0.31 =
  29. 29.1.3 × 0.03 =
  30. 30.6.3 × 1.2 =
  31. 31.0.4 × 2.7 =
  32. 32.5.4 × 1.4 =
  33. 33.0.89 × 3.1 =
  34. 34.9.7 × 2.8 =
  35. 35.0.08 × 2.7 =
  36. 36.0.02 × 3.8 =
  37. 37.0.96 × 0.6 =
  38. 38.2.4 × 2.1 =
  39. 39.5.9 × 0.31 =
  40. 40.9.7 × 1.9 =

Answer key

  1. 1.26
  2. 0.44
  3. 1.241
  4. 0.066
  5. 0.407
  6. 12.48
  7. 0.976
  8. 2.425
  9. 0.024
  10. 1.025
  11. 2.24
  12. 2.65
  13. 0.931
  14. 1.015
  15. 0.48
  16. 2.822
  17. 0.18
  18. 6.93
  19. 0.018
  20. 0.972
  21. 0.126
  22. 0.876
  23. 0.187
  24. 0.533
  25. 1.11
  26. 7.28
  27. 0.979
  28. 1.519
  29. 0.039
  30. 7.56
  31. 1.08
  32. 7.56
  33. 2.759
  34. 27.16
  35. 0.216
  36. 0.076
  37. 0.576
  38. 5.04
  39. 1.829
  40. 18.43

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