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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 701 · 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. 1.0.11 × 0.8 =
  2. 2.0.67 × 3.1 =
  3. 3.2.2 × 3.5 =
  4. 4.2.3 × 0.31 =
  5. 5.0.03 × 0.6 =
  6. 6.8.6 × 0.2 =
  7. 7.0.41 × 3.3 =
  8. 8.7.1 × 1.5 =
  9. 9.7.2 × 1.6 =
  10. 10.0.48 × 1.5 =
  11. 11.0.61 × 0.7 =
  12. 12.2.1 × 0.9 =
  13. 13.0.11 × 3.1 =
  14. 14.0.58 × 0.3 =
  15. 15.0.64 × 1.7 =
  16. 16.1.8 × 0.07 =
  17. 17.0.13 × 1.2 =
  18. 18.6.8 × 1.1 =
  19. 19.7.8 × 3.8 =
  20. 20.4.7 × 1.9 =
  21. 21.0.79 × 3.6 =
  22. 22.6.4 × 0.7 =
  23. 23.9.4 × 2.8 =
  24. 24.0.43 × 2.9 =
  25. 25.0.85 × 1.9 =
  26. 26.5.2 × 0.17 =
  27. 27.0.68 × 2.3 =
  28. 28.2.1 × 0.5 =
  29. 29.4.7 × 2.1 =
  30. 30.7.9 × 0.3 =
  31. 31.0.94 × 2.4 =
  32. 32.1.5 × 0.38 =
  33. 33.6.1 × 0.6 =
  34. 34.1.3 × 0.25 =
  35. 35.0.82 × 2.4 =
  36. 36.3.1 × 0.27 =
  37. 37.0.92 × 1.8 =
  38. 38.0.74 × 0.7 =
  39. 39.0.11 × 3.1 =
  40. 40.3.1 × 3.3 =

Answer key

  1. 0.088
  2. 2.077
  3. 7.7
  4. 0.713
  5. 0.018
  6. 1.72
  7. 1.353
  8. 10.65
  9. 11.52
  10. 0.72
  11. 0.427
  12. 1.89
  13. 0.341
  14. 0.174
  15. 1.088
  16. 0.126
  17. 0.156
  18. 7.48
  19. 29.64
  20. 8.93
  21. 2.844
  22. 4.48
  23. 26.32
  24. 1.247
  25. 1.615
  26. 0.884
  27. 1.564
  28. 1.05
  29. 9.87
  30. 2.37
  31. 2.256
  32. 0.57
  33. 3.66
  34. 0.325
  35. 1.968
  36. 0.837
  37. 1.656
  38. 0.518
  39. 0.341
  40. 10.23

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