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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 471 · 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. 1.0.58 × 1.3 =
  2. 2.4.6 × 1.8 =
  3. 3.0.95 × 2.1 =
  4. 4.5.9 × 0.9 =
  5. 5.7.3 × 0.31 =
  6. 6.0.84 × 3.4 =
  7. 7.0.67 × 0.8 =
  8. 8.0.34 × 2.1 =
  9. 9.0.76 × 1.3 =
  10. 10.0.94 × 0.6 =
  11. 11.0.18 × 0.8 =
  12. 12.2.5 × 2.7 =
  13. 13.0.06 × 3.9 =
  14. 14.6.4 × 0.37 =
  15. 15.0.55 × 1.7 =
  16. 16.3.4 × 3.4 =
  17. 17.1.5 × 2.5 =
  18. 18.0.69 × 2.2 =
  19. 19.7.4 × 0.34 =
  20. 20.0.49 × 2.1 =
  21. 21.0.64 × 3.2 =
  22. 22.0.9 × 0.23 =
  23. 23.0.79 × 3.6 =
  24. 24.1.8 × 0.12 =
  25. 25.2.3 × 0.31 =
  26. 26.3.8 × 2.1 =
  27. 27.9.4 × 2.6 =
  28. 28.0.95 × 3.1 =
  29. 29.0.68 × 3.9 =
  30. 30.3.1 × 3.3 =
  31. 31.4.4 × 1.4 =
  32. 32.0.36 × 1.6 =
  33. 33.0.11 × 0.3 =
  34. 34.0.41 × 0.3 =
  35. 35.0.68 × 3.4 =
  36. 36.1.6 × 2.8 =
  37. 37.8.8 × 0.07 =
  38. 38.0.78 × 1.9 =
  39. 39.0.81 × 2.1 =
  40. 40.0.33 × 3.9 =

Answer key

  1. 0.754
  2. 8.28
  3. 1.995
  4. 5.31
  5. 2.263
  6. 2.856
  7. 0.536
  8. 0.714
  9. 0.988
  10. 0.564
  11. 0.144
  12. 6.75
  13. 0.234
  14. 2.368
  15. 0.935
  16. 11.56
  17. 3.75
  18. 1.518
  19. 2.516
  20. 1.029
  21. 2.048
  22. 0.207
  23. 2.844
  24. 0.216
  25. 0.713
  26. 7.98
  27. 24.44
  28. 2.945
  29. 2.652
  30. 10.23
  31. 6.16
  32. 0.576
  33. 0.033
  34. 0.123
  35. 2.312
  36. 4.48
  37. 0.616
  38. 1.482
  39. 1.701
  40. 1.287

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