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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 889 · 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. 1.2.1 × 0.35 =
  2. 2.0.96 × 0.9 =
  3. 3.8.9 × 1.8 =
  4. 4.7.6 × 2.7 =
  5. 5.0.55 × 1.6 =
  6. 6.1.8 × 0.26 =
  7. 7.2.7 × 2.5 =
  8. 8.6.1 × 1.4 =
  9. 9.3.4 × 0.11 =
  10. 10.0.32 × 1.4 =
  11. 11.0.48 × 2.1 =
  12. 12.0.26 × 2.5 =
  13. 13.0.64 × 2.1 =
  14. 14.5.8 × 1.5 =
  15. 15.0.72 × 0.2 =
  16. 16.0.6 × 3.4 =
  17. 17.2.3 × 0.6 =
  18. 18.0.04 × 2.4 =
  19. 19.0.06 × 0.2 =
  20. 20.0.2 × 0.35 =
  21. 21.1.6 × 0.06 =
  22. 22.7.6 × 3.6 =
  23. 23.0.04 × 2.2 =
  24. 24.7.6 × 2.3 =
  25. 25.0.21 × 0.9 =
  26. 26.0.88 × 1.2 =
  27. 27.0.81 × 3.1 =
  28. 28.0.45 × 2.8 =
  29. 29.0.46 × 1.3 =
  30. 30.0.87 × 1.1 =
  31. 31.0.14 × 2.8 =
  32. 32.0.39 × 0.2 =
  33. 33.0.13 × 0.3 =
  34. 34.0.45 × 2.1 =
  35. 35.0.62 × 3.8 =
  36. 36.1.7 × 0.4 =
  37. 37.0.17 × 3.8 =
  38. 38.0.41 × 0.6 =
  39. 39.0.42 × 1.1 =
  40. 40.0.33 × 1.4 =

Answer key

  1. 0.735
  2. 0.864
  3. 16.02
  4. 20.52
  5. 0.88
  6. 0.468
  7. 6.75
  8. 8.54
  9. 0.374
  10. 0.448
  11. 1.008
  12. 0.65
  13. 1.344
  14. 8.7
  15. 0.144
  16. 2.04
  17. 1.38
  18. 0.096
  19. 0.012
  20. 0.07
  21. 0.096
  22. 27.36
  23. 0.088
  24. 17.48
  25. 0.189
  26. 1.056
  27. 2.511
  28. 1.26
  29. 0.598
  30. 0.957
  31. 0.392
  32. 0.078
  33. 0.039
  34. 0.945
  35. 2.356
  36. 0.68
  37. 0.646
  38. 0.246
  39. 0.462
  40. 0.462

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