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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 182 · 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. 1.0.35 × 3.2 =
  2. 2.6.1 × 3.1 =
  3. 3.8.5 × 0.24 =
  4. 4.6.2 × 0.03 =
  5. 5.6.9 × 0.4 =
  6. 6.0.29 × 1.3 =
  7. 7.1.7 × 0.08 =
  8. 8.0.11 × 3.4 =
  9. 9.3.3 × 0.06 =
  10. 10.0.45 × 2.6 =
  11. 11.6.6 × 0.5 =
  12. 12.0.14 × 3.9 =
  13. 13.3.5 × 0.05 =
  14. 14.0.12 × 2.7 =
  15. 15.0.77 × 2.4 =
  16. 16.0.27 × 1.9 =
  17. 17.1.4 × 1.1 =
  18. 18.0.5 × 1.2 =
  19. 19.0.61 × 2.2 =
  20. 20.1.7 × 0.9 =
  21. 21.3.6 × 3.4 =
  22. 22.4.9 × 0.19 =
  23. 23.0.18 × 1.5 =
  24. 24.0.04 × 3.3 =
  25. 25.0.57 × 1.1 =
  26. 26.0.81 × 3.4 =
  27. 27.7.1 × 0.3 =
  28. 28.6.9 × 3.1 =
  29. 29.0.11 × 2.1 =
  30. 30.9.5 × 1.8 =
  31. 31.1.4 × 0.31 =
  32. 32.6.1 × 1.7 =
  33. 33.0.14 × 0.4 =
  34. 34.0.22 × 3.4 =
  35. 35.0.21 × 2.1 =
  36. 36.0.52 × 3.5 =
  37. 37.0.5 × 1.7 =
  38. 38.1.3 × 1.1 =
  39. 39.0.11 × 0.2 =
  40. 40.0.55 × 0.9 =

Answer key

  1. 1.12
  2. 18.91
  3. 2.04
  4. 0.186
  5. 2.76
  6. 0.377
  7. 0.136
  8. 0.374
  9. 0.198
  10. 1.17
  11. 3.3
  12. 0.546
  13. 0.175
  14. 0.324
  15. 1.848
  16. 0.513
  17. 1.54
  18. 0.6
  19. 1.342
  20. 1.53
  21. 12.24
  22. 0.931
  23. 0.27
  24. 0.132
  25. 0.627
  26. 2.754
  27. 2.13
  28. 21.39
  29. 0.231
  30. 17.1
  31. 0.434
  32. 10.37
  33. 0.056
  34. 0.748
  35. 0.441
  36. 1.82
  37. 0.85
  38. 1.43
  39. 0.022
  40. 0.495

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