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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 968 · 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. 1.6.5 × 0.04 =
  2. 2.6.1 × 1.1 =
  3. 3.5.8 × 0.19 =
  4. 4.5.4 × 0.12 =
  5. 5.1.8 × 0.32 =
  6. 6.5.1 × 2.6 =
  7. 7.0.81 × 3.3 =
  8. 8.2.4 × 2.7 =
  9. 9.2.5 × 0.08 =
  10. 10.3.5 × 0.04 =
  11. 11.6.3 × 0.28 =
  12. 12.0.07 × 0.2 =
  13. 13.0.16 × 3.1 =
  14. 14.0.93 × 3.3 =
  15. 15.6.3 × 3.1 =
  16. 16.1.1 × 0.24 =
  17. 17.1.1 × 0.06 =
  18. 18.9.6 × 0.24 =
  19. 19.0.15 × 3.6 =
  20. 20.0.89 × 0.6 =
  21. 21.1.2 × 1.8 =
  22. 22.5.4 × 0.5 =
  23. 23.9.1 × 0.6 =
  24. 24.0.05 × 0.6 =
  25. 25.1.5 × 0.02 =
  26. 26.0.75 × 0.3 =
  27. 27.0.3 × 2.3 =
  28. 28.0.15 × 0.7 =
  29. 29.0.91 × 3.1 =
  30. 30.2.7 × 0.09 =
  31. 31.0.25 × 1.4 =
  32. 32.0.21 × 0.7 =
  33. 33.7.1 × 2.6 =
  34. 34.8.5 × 0.11 =
  35. 35.8.7 × 0.07 =
  36. 36.0.89 × 3.3 =
  37. 37.3.6 × 0.4 =
  38. 38.0.23 × 2.5 =
  39. 39.0.07 × 0.8 =
  40. 40.4.9 × 3.9 =

Answer key

  1. 0.26
  2. 6.71
  3. 1.102
  4. 0.648
  5. 0.576
  6. 13.26
  7. 2.673
  8. 6.48
  9. 0.2
  10. 0.14
  11. 1.764
  12. 0.014
  13. 0.496
  14. 3.069
  15. 19.53
  16. 0.264
  17. 0.066
  18. 2.304
  19. 0.54
  20. 0.534
  21. 2.16
  22. 2.7
  23. 5.46
  24. 0.03
  25. 0.03
  26. 0.225
  27. 0.69
  28. 0.105
  29. 2.821
  30. 0.243
  31. 0.35
  32. 0.147
  33. 18.46
  34. 0.935
  35. 0.609
  36. 2.937
  37. 1.44
  38. 0.575
  39. 0.056
  40. 19.11

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