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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 706 · 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. 1.7.6 × 0.32 =
  2. 2.5.4 × 3.8 =
  3. 3.2.4 × 3.4 =
  4. 4.8.8 × 1.4 =
  5. 5.0.35 × 3.8 =
  6. 6.9.9 × 0.31 =
  7. 7.0.45 × 1.8 =
  8. 8.0.23 × 3.5 =
  9. 9.0.41 × 1.1 =
  10. 10.3.6 × 0.3 =
  11. 11.0.75 × 3.6 =
  12. 12.0.61 × 3.2 =
  13. 13.0.08 × 3.2 =
  14. 14.1.6 × 3.2 =
  15. 15.0.92 × 0.7 =
  16. 16.6.2 × 3.7 =
  17. 17.7.2 × 2.8 =
  18. 18.0.61 × 3.7 =
  19. 19.0.71 × 1.9 =
  20. 20.7.4 × 2.2 =
  21. 21.0.05 × 3.1 =
  22. 22.5.6 × 0.25 =
  23. 23.0.36 × 2.4 =
  24. 24.0.23 × 0.7 =
  25. 25.8.3 × 1.1 =
  26. 26.0.82 × 0.7 =
  27. 27.7.8 × 1.8 =
  28. 28.6.1 × 3.9 =
  29. 29.5.1 × 0.8 =
  30. 30.0.66 × 2.5 =
  31. 31.0.17 × 3.2 =
  32. 32.5.2 × 0.35 =
  33. 33.0.09 × 0.7 =
  34. 34.0.66 × 2.6 =
  35. 35.0.96 × 1.5 =
  36. 36.0.16 × 2.8 =
  37. 37.0.12 × 1.3 =
  38. 38.0.53 × 2.5 =
  39. 39.4.6 × 0.18 =
  40. 40.0.19 × 2.6 =

Answer key

  1. 2.432
  2. 20.52
  3. 8.16
  4. 12.32
  5. 1.33
  6. 3.069
  7. 0.81
  8. 0.805
  9. 0.451
  10. 1.08
  11. 2.7
  12. 1.952
  13. 0.256
  14. 5.12
  15. 0.644
  16. 22.94
  17. 20.16
  18. 2.257
  19. 1.349
  20. 16.28
  21. 0.155
  22. 1.4
  23. 0.864
  24. 0.161
  25. 9.13
  26. 0.574
  27. 14.04
  28. 23.79
  29. 4.08
  30. 1.65
  31. 0.544
  32. 1.82
  33. 0.063
  34. 1.716
  35. 1.44
  36. 0.448
  37. 0.156
  38. 1.325
  39. 0.828
  40. 0.494

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