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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 174 · 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. 1.0.26 × 1.6 =
  2. 2.1.1 × 2.4 =
  3. 3.9.1 × 0.05 =
  4. 4.0.15 × 1.8 =
  5. 5.5.4 × 1.2 =
  6. 6.6.1 × 0.31 =
  7. 7.0.6 × 0.4 =
  8. 8.0.43 × 2.4 =
  9. 9.2.9 × 1.7 =
  10. 10.0.64 × 0.3 =
  11. 11.0.47 × 2.9 =
  12. 12.0.63 × 3.5 =
  13. 13.0.29 × 0.9 =
  14. 14.5.1 × 0.06 =
  15. 15.0.87 × 3.2 =
  16. 16.7.7 × 0.21 =
  17. 17.0.05 × 3.1 =
  18. 18.4.6 × 0.31 =
  19. 19.2.1 × 0.28 =
  20. 20.0.19 × 2.7 =
  21. 21.5.1 × 3.2 =
  22. 22.0.8 × 0.09 =
  23. 23.0.25 × 3.9 =
  24. 24.7.5 × 0.14 =
  25. 25.0.96 × 0.3 =
  26. 26.7.1 × 0.08 =
  27. 27.0.91 × 0.2 =
  28. 28.0.65 × 3.1 =
  29. 29.2.5 × 0.31 =
  30. 30.0.7 × 0.21 =
  31. 31.7.6 × 0.06 =
  32. 32.6.5 × 2.1 =
  33. 33.0.71 × 3.1 =
  34. 34.0.18 × 0.9 =
  35. 35.8.8 × 0.33 =
  36. 36.1.3 × 0.17 =
  37. 37.0.64 × 3.6 =
  38. 38.0.34 × 2.9 =
  39. 39.2.1 × 0.25 =
  40. 40.0.07 × 0.5 =

Answer key

  1. 0.416
  2. 2.64
  3. 0.455
  4. 0.27
  5. 6.48
  6. 1.891
  7. 0.24
  8. 1.032
  9. 4.93
  10. 0.192
  11. 1.363
  12. 2.205
  13. 0.261
  14. 0.306
  15. 2.784
  16. 1.617
  17. 0.155
  18. 1.426
  19. 0.588
  20. 0.513
  21. 16.32
  22. 0.072
  23. 0.975
  24. 1.05
  25. 0.288
  26. 0.568
  27. 0.182
  28. 2.015
  29. 0.775
  30. 0.147
  31. 0.456
  32. 13.65
  33. 2.201
  34. 0.162
  35. 2.904
  36. 0.221
  37. 2.304
  38. 0.986
  39. 0.525
  40. 0.035

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