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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 91 · 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. 1.9.6 × 3.2 =
  2. 2.0.51 × 1.9 =
  3. 3.0.68 × 2.5 =
  4. 4.0.84 × 2.2 =
  5. 5.0.66 × 0.9 =
  6. 6.0.8 × 0.37 =
  7. 7.2.5 × 3.8 =
  8. 8.0.4 × 2.6 =
  9. 9.5.6 × 1.9 =
  10. 10.7.6 × 0.4 =
  11. 11.3.3 × 3.7 =
  12. 12.1.4 × 0.3 =
  13. 13.1.3 × 0.3 =
  14. 14.8.9 × 0.26 =
  15. 15.0.3 × 0.2 =
  16. 16.0.71 × 3.9 =
  17. 17.6.3 × 0.27 =
  18. 18.0.19 × 3.2 =
  19. 19.3.3 × 0.7 =
  20. 20.9.4 × 0.25 =
  21. 21.6.7 × 2.3 =
  22. 22.6.3 × 0.15 =
  23. 23.9.6 × 0.34 =
  24. 24.0.92 × 1.1 =
  25. 25.0.08 × 0.8 =
  26. 26.0.41 × 1.8 =
  27. 27.0.7 × 3.1 =
  28. 28.0.22 × 0.3 =
  29. 29.0.67 × 2.9 =
  30. 30.0.68 × 3.1 =
  31. 31.0.91 × 3.2 =
  32. 32.8.8 × 1.6 =
  33. 33.0.12 × 1.1 =
  34. 34.0.47 × 1.1 =
  35. 35.2.7 × 3.9 =
  36. 36.0.83 × 0.6 =
  37. 37.0.55 × 3.2 =
  38. 38.0.77 × 2.8 =
  39. 39.0.14 × 3.1 =
  40. 40.7.8 × 0.03 =

Answer key

  1. 30.72
  2. 0.969
  3. 1.7
  4. 1.848
  5. 0.594
  6. 0.296
  7. 9.5
  8. 1.04
  9. 10.64
  10. 3.04
  11. 12.21
  12. 0.42
  13. 0.39
  14. 2.314
  15. 0.06
  16. 2.769
  17. 1.701
  18. 0.608
  19. 2.31
  20. 2.35
  21. 15.41
  22. 0.945
  23. 3.264
  24. 1.012
  25. 0.064
  26. 0.738
  27. 2.17
  28. 0.066
  29. 1.943
  30. 2.108
  31. 2.912
  32. 14.08
  33. 0.132
  34. 0.517
  35. 10.53
  36. 0.498
  37. 1.76
  38. 2.156
  39. 0.434
  40. 0.234

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