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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 920 · 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. 1.0.42 × 0.6 =
  2. 2.0.35 × 2.1 =
  3. 3.0.26 × 2.3 =
  4. 4.0.48 × 1.5 =
  5. 5.8.7 × 3.8 =
  6. 6.0.41 × 3.6 =
  7. 7.7.2 × 0.35 =
  8. 8.1.1 × 0.11 =
  9. 9.0.61 × 1.1 =
  10. 10.9.3 × 2.8 =
  11. 11.0.18 × 1.2 =
  12. 12.0.42 × 0.2 =
  13. 13.5.9 × 0.23 =
  14. 14.1.6 × 1.1 =
  15. 15.1.3 × 0.39 =
  16. 16.4.8 × 0.27 =
  17. 17.4.6 × 1.4 =
  18. 18.0.02 × 1.5 =
  19. 19.0.14 × 0.9 =
  20. 20.0.12 × 1.8 =
  21. 21.0.75 × 3.3 =
  22. 22.0.32 × 1.8 =
  23. 23.0.9 × 1.7 =
  24. 24.0.87 × 2.1 =
  25. 25.0.81 × 1.1 =
  26. 26.4.7 × 0.39 =
  27. 27.0.47 × 2.1 =
  28. 28.2.2 × 0.04 =
  29. 29.5.3 × 0.31 =
  30. 30.0.19 × 3.3 =
  31. 31.0.15 × 2.7 =
  32. 32.3.6 × 0.38 =
  33. 33.0.41 × 2.4 =
  34. 34.1.1 × 0.35 =
  35. 35.0.31 × 3.2 =
  36. 36.2.2 × 1.6 =
  37. 37.8.5 × 0.31 =
  38. 38.0.85 × 1.3 =
  39. 39.0.58 × 3.7 =
  40. 40.9.7 × 0.39 =

Answer key

  1. 0.252
  2. 0.735
  3. 0.598
  4. 0.72
  5. 33.06
  6. 1.476
  7. 2.52
  8. 0.121
  9. 0.671
  10. 26.04
  11. 0.216
  12. 0.084
  13. 1.357
  14. 1.76
  15. 0.507
  16. 1.296
  17. 6.44
  18. 0.03
  19. 0.126
  20. 0.216
  21. 2.475
  22. 0.576
  23. 1.53
  24. 1.827
  25. 0.891
  26. 1.833
  27. 0.987
  28. 0.088
  29. 1.643
  30. 0.627
  31. 0.405
  32. 1.368
  33. 0.984
  34. 0.385
  35. 0.992
  36. 3.52
  37. 2.635
  38. 1.105
  39. 2.146
  40. 3.783

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