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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 789 · 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. 1.0.48 × 2.7 =
  2. 2.0.34 × 0.2 =
  3. 3.1.6 × 0.37 =
  4. 4.8.7 × 0.25 =
  5. 5.0.48 × 1.2 =
  6. 6.0.42 × 3.3 =
  7. 7.0.38 × 2.3 =
  8. 8.0.86 × 2.3 =
  9. 9.0.02 × 2.9 =
  10. 10.0.4 × 0.15 =
  11. 11.0.57 × 0.8 =
  12. 12.0.83 × 1.1 =
  13. 13.0.31 × 2.6 =
  14. 14.0.61 × 2.8 =
  15. 15.4.5 × 0.5 =
  16. 16.9.2 × 0.04 =
  17. 17.0.3 × 2.1 =
  18. 18.0.27 × 1.1 =
  19. 19.0.35 × 2.6 =
  20. 20.3.6 × 0.38 =
  21. 21.0.44 × 1.2 =
  22. 22.1.8 × 0.33 =
  23. 23.0.43 × 0.5 =
  24. 24.9.1 × 0.24 =
  25. 25.6.2 × 2.1 =
  26. 26.0.04 × 2.5 =
  27. 27.5.3 × 0.39 =
  28. 28.9.7 × 0.07 =
  29. 29.0.25 × 2.2 =
  30. 30.6.6 × 1.3 =
  31. 31.7.3 × 0.36 =
  32. 32.2.7 × 0.22 =
  33. 33.0.69 × 3.5 =
  34. 34.3.7 × 0.5 =
  35. 35.7.6 × 2.3 =
  36. 36.4.5 × 2.3 =
  37. 37.0.81 × 1.1 =
  38. 38.2.3 × 0.17 =
  39. 39.9.9 × 0.19 =
  40. 40.0.26 × 2.8 =

Answer key

  1. 1.296
  2. 0.068
  3. 0.592
  4. 2.175
  5. 0.576
  6. 1.386
  7. 0.874
  8. 1.978
  9. 0.058
  10. 0.06
  11. 0.456
  12. 0.913
  13. 0.806
  14. 1.708
  15. 2.25
  16. 0.368
  17. 0.63
  18. 0.297
  19. 0.91
  20. 1.368
  21. 0.528
  22. 0.594
  23. 0.215
  24. 2.184
  25. 13.02
  26. 0.1
  27. 2.067
  28. 0.679
  29. 0.55
  30. 8.58
  31. 2.628
  32. 0.594
  33. 2.415
  34. 1.85
  35. 17.48
  36. 10.35
  37. 0.891
  38. 0.391
  39. 1.881
  40. 0.728

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