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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 289 · 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. 1.0.76 × 2.7 =
  2. 2.0.73 × 0.7 =
  3. 3.2.2 × 3.4 =
  4. 4.0.3 × 2.4 =
  5. 5.0.21 × 3.2 =
  6. 6.8.5 × 2.1 =
  7. 7.0.45 × 3.1 =
  8. 8.3.1 × 0.28 =
  9. 9.8.7 × 0.35 =
  10. 10.0.29 × 0.6 =
  11. 11.0.11 × 1.3 =
  12. 12.0.26 × 3.9 =
  13. 13.0.76 × 3.1 =
  14. 14.0.25 × 0.7 =
  15. 15.0.55 × 3.8 =
  16. 16.0.05 × 3.8 =
  17. 17.0.18 × 3.7 =
  18. 18.5.6 × 0.29 =
  19. 19.0.23 × 0.5 =
  20. 20.0.25 × 1.1 =
  21. 21.1.2 × 0.37 =
  22. 22.8.7 × 3.6 =
  23. 23.0.08 × 0.2 =
  24. 24.0.07 × 2.5 =
  25. 25.0.55 × 1.6 =
  26. 26.0.63 × 2.9 =
  27. 27.6.4 × 1.4 =
  28. 28.0.91 × 1.2 =
  29. 29.0.44 × 3.3 =
  30. 30.2.5 × 0.31 =
  31. 31.0.81 × 0.9 =
  32. 32.0.47 × 2.9 =
  33. 33.8.9 × 0.34 =
  34. 34.1.2 × 3.9 =
  35. 35.0.07 × 2.7 =
  36. 36.9.3 × 3.2 =
  37. 37.0.83 × 0.5 =
  38. 38.0.52 × 2.9 =
  39. 39.0.32 × 3.7 =
  40. 40.4.1 × 0.02 =

Answer key

  1. 2.052
  2. 0.511
  3. 7.48
  4. 0.72
  5. 0.672
  6. 17.85
  7. 1.395
  8. 0.868
  9. 3.045
  10. 0.174
  11. 0.143
  12. 1.014
  13. 2.356
  14. 0.175
  15. 2.09
  16. 0.19
  17. 0.666
  18. 1.624
  19. 0.115
  20. 0.275
  21. 0.444
  22. 31.32
  23. 0.016
  24. 0.175
  25. 0.88
  26. 1.827
  27. 8.96
  28. 1.092
  29. 1.452
  30. 0.775
  31. 0.729
  32. 1.363
  33. 3.026
  34. 4.68
  35. 0.189
  36. 29.76
  37. 0.415
  38. 1.508
  39. 1.184
  40. 0.082

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