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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 781 · 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. 1.2.1 × 1.2 =
  2. 2.0.86 × 2.2 =
  3. 3.0.98 × 1.9 =
  4. 4.5.1 × 2.5 =
  5. 5.0.48 × 2.2 =
  6. 6.0.73 × 0.8 =
  7. 7.4.1 × 0.29 =
  8. 8.2.3 × 0.37 =
  9. 9.7.6 × 1.9 =
  10. 10.6.2 × 0.22 =
  11. 11.0.38 × 1.3 =
  12. 12.0.47 × 0.7 =
  13. 13.0.66 × 3.5 =
  14. 14.4.7 × 3.6 =
  15. 15.0.37 × 1.8 =
  16. 16.4.1 × 1.1 =
  17. 17.5.1 × 3.1 =
  18. 18.0.57 × 2.6 =
  19. 19.9.7 × 1.5 =
  20. 20.3.4 × 0.36 =
  21. 21.0.55 × 3.5 =
  22. 22.3.2 × 3.7 =
  23. 23.5.8 × 0.33 =
  24. 24.1.1 × 0.19 =
  25. 25.0.45 × 3.6 =
  26. 26.2.1 × 0.6 =
  27. 27.0.11 × 3.7 =
  28. 28.7.2 × 1.1 =
  29. 29.3.9 × 0.06 =
  30. 30.4.1 × 0.29 =
  31. 31.3.3 × 0.9 =
  32. 32.0.49 × 1.8 =
  33. 33.0.69 × 2.3 =
  34. 34.1.8 × 1.4 =
  35. 35.1.5 × 0.03 =
  36. 36.8.5 × 3.4 =
  37. 37.0.24 × 1.1 =
  38. 38.7.3 × 0.06 =
  39. 39.0.51 × 1.4 =
  40. 40.8.5 × 1.4 =

Answer key

  1. 2.52
  2. 1.892
  3. 1.862
  4. 12.75
  5. 1.056
  6. 0.584
  7. 1.189
  8. 0.851
  9. 14.44
  10. 1.364
  11. 0.494
  12. 0.329
  13. 2.31
  14. 16.92
  15. 0.666
  16. 4.51
  17. 15.81
  18. 1.482
  19. 14.55
  20. 1.224
  21. 1.925
  22. 11.84
  23. 1.914
  24. 0.209
  25. 1.62
  26. 1.26
  27. 0.407
  28. 7.92
  29. 0.234
  30. 1.189
  31. 2.97
  32. 0.882
  33. 1.587
  34. 2.52
  35. 0.045
  36. 28.9
  37. 0.264
  38. 0.438
  39. 0.714
  40. 11.9

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