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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 360 · 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. 1.8.4 × 0.14 =
  2. 2.0.2 × 0.34 =
  3. 3.0.36 × 2.3 =
  4. 4.0.97 × 1.8 =
  5. 5.0.56 × 2.5 =
  6. 6.0.7 × 0.5 =
  7. 7.7.8 × 1.1 =
  8. 8.6.3 × 0.2 =
  9. 9.0.11 × 0.9 =
  10. 10.8.1 × 3.5 =
  11. 11.2.6 × 0.32 =
  12. 12.0.94 × 1.1 =
  13. 13.1.8 × 2.7 =
  14. 14.0.47 × 3.8 =
  15. 15.0.85 × 1.8 =
  16. 16.4.7 × 0.06 =
  17. 17.0.29 × 2.3 =
  18. 18.1.1 × 2.1 =
  19. 19.4.1 × 0.5 =
  20. 20.0.23 × 2.3 =
  21. 21.8.1 × 2.1 =
  22. 22.2.9 × 3.6 =
  23. 23.1.1 × 0.8 =
  24. 24.0.39 × 0.8 =
  25. 25.8.4 × 2.1 =
  26. 26.0.82 × 1.8 =
  27. 27.0.46 × 1.3 =
  28. 28.0.23 × 3.1 =
  29. 29.0.2 × 3.5 =
  30. 30.0.6 × 0.14 =
  31. 31.6.2 × 0.38 =
  32. 32.7.8 × 0.11 =
  33. 33.0.98 × 3.7 =
  34. 34.0.22 × 1.1 =
  35. 35.2.2 × 0.4 =
  36. 36.0.09 × 3.1 =
  37. 37.0.69 × 2.3 =
  38. 38.3.2 × 0.18 =
  39. 39.0.67 × 1.9 =
  40. 40.2.2 × 0.12 =

Answer key

  1. 1.176
  2. 0.068
  3. 0.828
  4. 1.746
  5. 1.4
  6. 0.35
  7. 8.58
  8. 1.26
  9. 0.099
  10. 28.35
  11. 0.832
  12. 1.034
  13. 4.86
  14. 1.786
  15. 1.53
  16. 0.282
  17. 0.667
  18. 2.31
  19. 2.05
  20. 0.529
  21. 17.01
  22. 10.44
  23. 0.88
  24. 0.312
  25. 17.64
  26. 1.476
  27. 0.598
  28. 0.713
  29. 0.7
  30. 0.084
  31. 2.356
  32. 0.858
  33. 3.626
  34. 0.242
  35. 0.88
  36. 0.279
  37. 1.587
  38. 0.576
  39. 1.273
  40. 0.264

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