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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 133 · 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. 1.6.3 × 0.15 =
  2. 2.7.3 × 3.4 =
  3. 3.4.4 × 3.7 =
  4. 4.2.1 × 0.12 =
  5. 5.8.9 × 0.07 =
  6. 6.0.31 × 2.4 =
  7. 7.0.11 × 2.1 =
  8. 8.0.61 × 3.7 =
  9. 9.1.2 × 0.35 =
  10. 10.1.8 × 0.04 =
  11. 11.1.7 × 2.7 =
  12. 12.5.1 × 3.2 =
  13. 13.6.5 × 0.06 =
  14. 14.2.1 × 0.33 =
  15. 15.0.94 × 0.4 =
  16. 16.0.36 × 2.1 =
  17. 17.4.7 × 1.6 =
  18. 18.0.8 × 0.4 =
  19. 19.7.2 × 0.08 =
  20. 20.6.2 × 0.16 =
  21. 21.0.65 × 0.5 =
  22. 22.0.16 × 0.8 =
  23. 23.5.3 × 1.1 =
  24. 24.8.5 × 0.12 =
  25. 25.5.8 × 0.02 =
  26. 26.0.91 × 2.3 =
  27. 27.9.9 × 3.5 =
  28. 28.0.17 × 1.4 =
  29. 29.3.6 × 0.29 =
  30. 30.6.3 × 0.5 =
  31. 31.3.2 × 0.02 =
  32. 32.0.2 × 0.18 =
  33. 33.3.1 × 1.6 =
  34. 34.0.7 × 3.2 =
  35. 35.0.04 × 1.5 =
  36. 36.0.76 × 3.1 =
  37. 37.0.18 × 1.7 =
  38. 38.6.2 × 0.5 =
  39. 39.0.61 × 2.2 =
  40. 40.8.3 × 0.8 =

Answer key

  1. 0.945
  2. 24.82
  3. 16.28
  4. 0.252
  5. 0.623
  6. 0.744
  7. 0.231
  8. 2.257
  9. 0.42
  10. 0.072
  11. 4.59
  12. 16.32
  13. 0.39
  14. 0.693
  15. 0.376
  16. 0.756
  17. 7.52
  18. 0.32
  19. 0.576
  20. 0.992
  21. 0.325
  22. 0.128
  23. 5.83
  24. 1.02
  25. 0.116
  26. 2.093
  27. 34.65
  28. 0.238
  29. 1.044
  30. 3.15
  31. 0.064
  32. 0.036
  33. 4.96
  34. 2.24
  35. 0.06
  36. 2.356
  37. 0.306
  38. 3.1
  39. 1.342
  40. 6.64

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