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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 444 · 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. 1.5.3 × 0.09 =
  2. 2.0.58 × 2.1 =
  3. 3.5.1 × 0.05 =
  4. 4.0.68 × 2.5 =
  5. 5.0.6 × 3.7 =
  6. 6.6.8 × 0.27 =
  7. 7.0.95 × 1.2 =
  8. 8.0.84 × 0.5 =
  9. 9.0.21 × 0.3 =
  10. 10.0.51 × 2.6 =
  11. 11.1.6 × 1.6 =
  12. 12.6.1 × 0.4 =
  13. 13.4.8 × 0.04 =
  14. 14.0.67 × 2.5 =
  15. 15.5.8 × 0.15 =
  16. 16.0.05 × 1.2 =
  17. 17.0.31 × 1.1 =
  18. 18.8.3 × 2.6 =
  19. 19.0.48 × 2.1 =
  20. 20.5.1 × 0.02 =
  21. 21.0.31 × 3.5 =
  22. 22.0.22 × 2.3 =
  23. 23.0.43 × 1.2 =
  24. 24.0.94 × 1.4 =
  25. 25.5.1 × 2.2 =
  26. 26.0.21 × 0.6 =
  27. 27.0.77 × 0.3 =
  28. 28.9.6 × 0.29 =
  29. 29.1.4 × 2.7 =
  30. 30.0.64 × 3.1 =
  31. 31.7.1 × 3.3 =
  32. 32.0.53 × 0.7 =
  33. 33.0.64 × 2.9 =
  34. 34.0.46 × 0.9 =
  35. 35.0.69 × 3.1 =
  36. 36.0.59 × 1.1 =
  37. 37.0.49 × 2.1 =
  38. 38.0.81 × 3.3 =
  39. 39.0.68 × 0.5 =
  40. 40.0.97 × 1.4 =

Answer key

  1. 0.477
  2. 1.218
  3. 0.255
  4. 1.7
  5. 2.22
  6. 1.836
  7. 1.14
  8. 0.42
  9. 0.063
  10. 1.326
  11. 2.56
  12. 2.44
  13. 0.192
  14. 1.675
  15. 0.87
  16. 0.06
  17. 0.341
  18. 21.58
  19. 1.008
  20. 0.102
  21. 1.085
  22. 0.506
  23. 0.516
  24. 1.316
  25. 11.22
  26. 0.126
  27. 0.231
  28. 2.784
  29. 3.78
  30. 1.984
  31. 23.43
  32. 0.371
  33. 1.856
  34. 0.414
  35. 2.139
  36. 0.649
  37. 1.029
  38. 2.673
  39. 0.34
  40. 1.358

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