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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 896 · 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. 2.0.51 × 2.3 =
  3. 3.9.5 × 1.5 =
  4. 4.0.4 × 0.8 =
  5. 5.8.7 × 2.8 =
  6. 6.7.1 × 3.9 =
  7. 7.0.25 × 1.1 =
  8. 8.0.58 × 1.7 =
  9. 9.0.47 × 0.6 =
  10. 10.7.9 × 3.1 =
  11. 11.8.1 × 2.3 =
  12. 12.0.22 × 1.4 =
  13. 13.0.56 × 1.3 =
  14. 14.2.1 × 0.27 =
  15. 15.1.4 × 0.33 =
  16. 16.0.98 × 0.7 =
  17. 17.0.71 × 2.1 =
  18. 18.0.83 × 3.4 =
  19. 19.3.1 × 3.4 =
  20. 20.0.8 × 0.12 =
  21. 21.8.1 × 0.21 =
  22. 22.4.3 × 3.6 =
  23. 23.0.47 × 0.3 =
  24. 24.0.82 × 3.4 =
  25. 25.0.81 × 3.4 =
  26. 26.0.31 × 0.9 =
  27. 27.0.66 × 2.2 =
  28. 28.0.37 × 1.3 =
  29. 29.0.85 × 2.1 =
  30. 30.0.53 × 3.1 =
  31. 31.2.5 × 0.31 =
  32. 32.1.3 × 2.8 =
  33. 33.4.9 × 0.17 =
  34. 34.0.42 × 1.9 =
  35. 35.2.2 × 1.9 =
  36. 36.0.21 × 1.2 =
  37. 37.0.21 × 1.2 =
  38. 38.0.39 × 3.1 =
  39. 39.2.6 × 0.32 =
  40. 40.6.8 × 2.1 =

Answer key

  1. 0.945
  2. 1.173
  3. 14.25
  4. 0.32
  5. 24.36
  6. 27.69
  7. 0.275
  8. 0.986
  9. 0.282
  10. 24.49
  11. 18.63
  12. 0.308
  13. 0.728
  14. 0.567
  15. 0.462
  16. 0.686
  17. 1.491
  18. 2.822
  19. 10.54
  20. 0.096
  21. 1.701
  22. 15.48
  23. 0.141
  24. 2.788
  25. 2.754
  26. 0.279
  27. 1.452
  28. 0.481
  29. 1.785
  30. 1.643
  31. 0.775
  32. 3.64
  33. 0.833
  34. 0.798
  35. 4.18
  36. 0.252
  37. 0.252
  38. 1.209
  39. 0.832
  40. 14.28

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