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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 255 · 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. 1.2.9 × 0.2 =
  2. 2.6.1 × 0.2 =
  3. 3.1.1 × 3.1 =
  4. 4.4.7 × 1.1 =
  5. 5.6.2 × 1.1 =
  6. 6.5.8 × 0.16 =
  7. 7.0.51 × 3.8 =
  8. 8.0.87 × 3.2 =
  9. 9.0.24 × 3.8 =
  10. 10.0.9 × 1.3 =
  11. 11.5.3 × 0.37 =
  12. 12.4.8 × 1.3 =
  13. 13.9.1 × 2.6 =
  14. 14.2.2 × 0.7 =
  15. 15.0.26 × 3.9 =
  16. 16.9.6 × 1.2 =
  17. 17.6.6 × 2.9 =
  18. 18.2.1 × 0.02 =
  19. 19.0.13 × 1.4 =
  20. 20.9.4 × 2.2 =
  21. 21.7.3 × 0.08 =
  22. 22.0.71 × 3.9 =
  23. 23.0.64 × 2.2 =
  24. 24.0.88 × 2.5 =
  25. 25.0.28 × 3.4 =
  26. 26.0.5 × 0.35 =
  27. 27.0.62 × 3.8 =
  28. 28.4.1 × 1.5 =
  29. 29.0.73 × 1.1 =
  30. 30.0.82 × 3.1 =
  31. 31.0.2 × 0.31 =
  32. 32.4.3 × 0.24 =
  33. 33.2.8 × 2.1 =
  34. 34.0.81 × 0.5 =
  35. 35.0.11 × 1.8 =
  36. 36.0.41 × 1.2 =
  37. 37.3.1 × 1.2 =
  38. 38.5.8 × 0.26 =
  39. 39.0.09 × 0.4 =
  40. 40.0.24 × 3.8 =

Answer key

  1. 0.58
  2. 1.22
  3. 3.41
  4. 5.17
  5. 6.82
  6. 0.928
  7. 1.938
  8. 2.784
  9. 0.912
  10. 1.17
  11. 1.961
  12. 6.24
  13. 23.66
  14. 1.54
  15. 1.014
  16. 11.52
  17. 19.14
  18. 0.042
  19. 0.182
  20. 20.68
  21. 0.584
  22. 2.769
  23. 1.408
  24. 2.2
  25. 0.952
  26. 0.175
  27. 2.356
  28. 6.15
  29. 0.803
  30. 2.542
  31. 0.062
  32. 1.032
  33. 5.88
  34. 0.405
  35. 0.198
  36. 0.492
  37. 3.72
  38. 1.508
  39. 0.036
  40. 0.912

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