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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 357 · 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. 1.1.2 × 3.3 =
  2. 2.0.27 × 1.4 =
  3. 3.0.45 × 0.9 =
  4. 4.5.7 × 1.5 =
  5. 5.5.1 × 0.05 =
  6. 6.4.4 × 1.5 =
  7. 7.7.9 × 0.25 =
  8. 8.4.1 × 0.36 =
  9. 9.0.21 × 0.2 =
  10. 10.8.5 × 1.3 =
  11. 11.0.81 × 1.7 =
  12. 12.2.3 × 0.34 =
  13. 13.0.34 × 2.7 =
  14. 14.1.4 × 3.1 =
  15. 15.8.3 × 1.1 =
  16. 16.0.93 × 1.1 =
  17. 17.9.1 × 1.2 =
  18. 18.0.32 × 3.2 =
  19. 19.0.09 × 1.4 =
  20. 20.0.36 × 1.4 =
  21. 21.8.9 × 1.4 =
  22. 22.0.33 × 3.3 =
  23. 23.0.36 × 0.5 =
  24. 24.0.77 × 2.2 =
  25. 25.6.2 × 1.9 =
  26. 26.0.9 × 0.2 =
  27. 27.1.4 × 3.3 =
  28. 28.0.51 × 1.9 =
  29. 29.2.2 × 0.03 =
  30. 30.0.55 × 2.4 =
  31. 31.0.37 × 0.5 =
  32. 32.0.21 × 2.4 =
  33. 33.5.5 × 0.14 =
  34. 34.1.1 × 2.6 =
  35. 35.0.29 × 3.2 =
  36. 36.7.6 × 0.05 =
  37. 37.0.59 × 1.2 =
  38. 38.0.79 × 2.2 =
  39. 39.0.35 × 2.4 =
  40. 40.2.1 × 0.13 =

Answer key

  1. 3.96
  2. 0.378
  3. 0.405
  4. 8.55
  5. 0.255
  6. 6.6
  7. 1.975
  8. 1.476
  9. 0.042
  10. 11.05
  11. 1.377
  12. 0.782
  13. 0.918
  14. 4.34
  15. 9.13
  16. 1.023
  17. 10.92
  18. 1.024
  19. 0.126
  20. 0.504
  21. 12.46
  22. 1.089
  23. 0.18
  24. 1.694
  25. 11.78
  26. 0.18
  27. 4.62
  28. 0.969
  29. 0.066
  30. 1.32
  31. 0.185
  32. 0.504
  33. 0.77
  34. 2.86
  35. 0.928
  36. 0.38
  37. 0.708
  38. 1.738
  39. 0.84
  40. 0.273

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