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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 892 · 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. 1.0.09 × 0.7 =
  2. 2.0.5 × 0.16 =
  3. 3.0.85 × 3.1 =
  4. 4.5.1 × 0.12 =
  5. 5.0.81 × 0.5 =
  6. 6.0.73 × 3.2 =
  7. 7.0.08 × 1.1 =
  8. 8.1.7 × 0.08 =
  9. 9.0.36 × 0.7 =
  10. 10.5.5 × 0.5 =
  11. 11.1.6 × 2.3 =
  12. 12.0.54 × 3.8 =
  13. 13.0.62 × 1.5 =
  14. 14.5.9 × 0.8 =
  15. 15.0.07 × 1.5 =
  16. 16.0.33 × 2.6 =
  17. 17.5.1 × 1.7 =
  18. 18.0.65 × 2.1 =
  19. 19.5.8 × 0.23 =
  20. 20.0.99 × 3.7 =
  21. 21.2.3 × 0.19 =
  22. 22.0.38 × 3.2 =
  23. 23.5.1 × 0.23 =
  24. 24.9.1 × 1.6 =
  25. 25.0.46 × 0.5 =
  26. 26.7.4 × 0.16 =
  27. 27.5.8 × 0.23 =
  28. 28.1.6 × 0.32 =
  29. 29.6.4 × 2.4 =
  30. 30.0.94 × 3.8 =
  31. 31.0.47 × 2.1 =
  32. 32.0.36 × 3.8 =
  33. 33.0.57 × 2.1 =
  34. 34.4.4 × 1.9 =
  35. 35.8.3 × 3.7 =
  36. 36.0.45 × 0.9 =
  37. 37.0.78 × 0.7 =
  38. 38.0.09 × 0.3 =
  39. 39.0.11 × 0.7 =
  40. 40.0.07 × 3.6 =

Answer key

  1. 0.063
  2. 0.08
  3. 2.635
  4. 0.612
  5. 0.405
  6. 2.336
  7. 0.088
  8. 0.136
  9. 0.252
  10. 2.75
  11. 3.68
  12. 2.052
  13. 0.93
  14. 4.72
  15. 0.105
  16. 0.858
  17. 8.67
  18. 1.365
  19. 1.334
  20. 3.663
  21. 0.437
  22. 1.216
  23. 1.173
  24. 14.56
  25. 0.23
  26. 1.184
  27. 1.334
  28. 0.512
  29. 15.36
  30. 3.572
  31. 0.987
  32. 1.368
  33. 1.197
  34. 8.36
  35. 30.71
  36. 0.405
  37. 0.546
  38. 0.027
  39. 0.077
  40. 0.252

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