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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 754 · 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. 1.8.5 × 2.7 =
  2. 2.9.5 × 1.1 =
  3. 3.4.8 × 0.6 =
  4. 4.0.45 × 0.5 =
  5. 5.0.51 × 1.8 =
  6. 6.3.5 × 3.1 =
  7. 7.6.9 × 0.3 =
  8. 8.0.45 × 0.2 =
  9. 9.0.63 × 0.8 =
  10. 10.0.76 × 1.7 =
  11. 11.0.41 × 1.1 =
  12. 12.0.2 × 0.3 =
  13. 13.0.96 × 3.5 =
  14. 14.0.38 × 2.3 =
  15. 15.0.38 × 1.2 =
  16. 16.7.3 × 0.2 =
  17. 17.6.3 × 0.04 =
  18. 18.0.66 × 2.1 =
  19. 19.0.19 × 3.3 =
  20. 20.9.1 × 0.25 =
  21. 21.0.45 × 1.2 =
  22. 22.9.3 × 0.13 =
  23. 23.8.2 × 0.21 =
  24. 24.0.6 × 0.36 =
  25. 25.0.65 × 3.7 =
  26. 26.9.7 × 0.34 =
  27. 27.6.6 × 2.2 =
  28. 28.0.92 × 0.8 =
  29. 29.0.47 × 3.1 =
  30. 30.5.1 × 0.27 =
  31. 31.0.4 × 1.1 =
  32. 32.0.91 × 1.9 =
  33. 33.0.81 × 3.9 =
  34. 34.8.1 × 0.31 =
  35. 35.0.88 × 0.9 =
  36. 36.7.6 × 0.05 =
  37. 37.0.19 × 0.2 =
  38. 38.0.61 × 3.3 =
  39. 39.7.4 × 0.14 =
  40. 40.0.3 × 0.27 =

Answer key

  1. 22.95
  2. 10.45
  3. 2.88
  4. 0.225
  5. 0.918
  6. 10.85
  7. 2.07
  8. 0.09
  9. 0.504
  10. 1.292
  11. 0.451
  12. 0.06
  13. 3.36
  14. 0.874
  15. 0.456
  16. 1.46
  17. 0.252
  18. 1.386
  19. 0.627
  20. 2.275
  21. 0.54
  22. 1.209
  23. 1.722
  24. 0.216
  25. 2.405
  26. 3.298
  27. 14.52
  28. 0.736
  29. 1.457
  30. 1.377
  31. 0.44
  32. 1.729
  33. 3.159
  34. 2.511
  35. 0.792
  36. 0.38
  37. 0.038
  38. 2.013
  39. 1.036
  40. 0.081

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