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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 96 · 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. 1.0.32 × 0.2 =
  2. 2.0.7 × 0.5 =
  3. 3.2.8 × 0.33 =
  4. 4.2.5 × 0.7 =
  5. 5.0.68 × 0.4 =
  6. 6.0.04 × 2.1 =
  7. 7.6.8 × 0.11 =
  8. 8.8.9 × 0.31 =
  9. 9.0.61 × 1.3 =
  10. 10.2.4 × 0.35 =
  11. 11.8.5 × 0.9 =
  12. 12.4.5 × 0.08 =
  13. 13.9.3 × 3.6 =
  14. 14.0.91 × 3.9 =
  15. 15.0.25 × 0.4 =
  16. 16.0.8 × 3.2 =
  17. 17.0.59 × 1.3 =
  18. 18.0.85 × 2.1 =
  19. 19.6.3 × 0.6 =
  20. 20.7.1 × 0.25 =
  21. 21.7.8 × 1.1 =
  22. 22.8.8 × 0.4 =
  23. 23.0.26 × 0.6 =
  24. 24.3.1 × 0.39 =
  25. 25.2.6 × 0.18 =
  26. 26.2.5 × 0.7 =
  27. 27.9.8 × 0.12 =
  28. 28.0.37 × 0.9 =
  29. 29.5.2 × 0.25 =
  30. 30.5.6 × 3.9 =
  31. 31.0.16 × 3.4 =
  32. 32.4.1 × 0.14 =
  33. 33.0.78 × 1.7 =
  34. 34.6.2 × 0.04 =
  35. 35.0.31 × 2.1 =
  36. 36.7.5 × 2.7 =
  37. 37.8.5 × 0.34 =
  38. 38.0.84 × 2.3 =
  39. 39.0.54 × 1.1 =
  40. 40.0.98 × 3.9 =

Answer key

  1. 0.064
  2. 0.35
  3. 0.924
  4. 1.75
  5. 0.272
  6. 0.084
  7. 0.748
  8. 2.759
  9. 0.793
  10. 0.84
  11. 7.65
  12. 0.36
  13. 33.48
  14. 3.549
  15. 0.1
  16. 2.56
  17. 0.767
  18. 1.785
  19. 3.78
  20. 1.775
  21. 8.58
  22. 3.52
  23. 0.156
  24. 1.209
  25. 0.468
  26. 1.75
  27. 1.176
  28. 0.333
  29. 1.3
  30. 21.84
  31. 0.544
  32. 0.574
  33. 1.326
  34. 0.248
  35. 0.651
  36. 20.25
  37. 2.89
  38. 1.932
  39. 0.594
  40. 3.822

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