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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 269 · 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. 1.1.1 × 2.7 =
  2. 2.9.2 × 0.18 =
  3. 3.4.1 × 0.02 =
  4. 4.0.43 × 2.5 =
  5. 5.0.56 × 1.1 =
  6. 6.0.97 × 3.1 =
  7. 7.3.8 × 0.5 =
  8. 8.6.4 × 0.15 =
  9. 9.0.49 × 2.9 =
  10. 10.5.1 × 1.1 =
  11. 11.5.6 × 0.37 =
  12. 12.0.11 × 1.7 =
  13. 13.4.1 × 1.5 =
  14. 14.0.91 × 3.4 =
  15. 15.0.44 × 2.9 =
  16. 16.0.68 × 3.1 =
  17. 17.0.61 × 2.7 =
  18. 18.0.05 × 1.3 =
  19. 19.9.8 × 0.04 =
  20. 20.0.73 × 1.5 =
  21. 21.0.71 × 2.7 =
  22. 22.0.9 × 2.8 =
  23. 23.0.91 × 2.1 =
  24. 24.3.8 × 0.24 =
  25. 25.4.4 × 3.1 =
  26. 26.0.54 × 2.5 =
  27. 27.0.63 × 1.1 =
  28. 28.0.32 × 2.8 =
  29. 29.3.2 × 0.32 =
  30. 30.0.59 × 3.2 =
  31. 31.9.5 × 3.3 =
  32. 32.0.25 × 1.3 =
  33. 33.3.1 × 0.31 =
  34. 34.4.9 × 0.7 =
  35. 35.7.2 × 0.35 =
  36. 36.1.3 × 0.06 =
  37. 37.2.2 × 0.07 =
  38. 38.0.23 × 2.8 =
  39. 39.1.1 × 0.12 =
  40. 40.6.2 × 2.7 =

Answer key

  1. 2.97
  2. 1.656
  3. 0.082
  4. 1.075
  5. 0.616
  6. 3.007
  7. 1.9
  8. 0.96
  9. 1.421
  10. 5.61
  11. 2.072
  12. 0.187
  13. 6.15
  14. 3.094
  15. 1.276
  16. 2.108
  17. 1.647
  18. 0.065
  19. 0.392
  20. 1.095
  21. 1.917
  22. 2.52
  23. 1.911
  24. 0.912
  25. 13.64
  26. 1.35
  27. 0.693
  28. 0.896
  29. 1.024
  30. 1.888
  31. 31.35
  32. 0.325
  33. 0.961
  34. 3.43
  35. 2.52
  36. 0.078
  37. 0.154
  38. 0.644
  39. 0.132
  40. 16.74

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