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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 63 · 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. 1.1.1 × 1.6 =
  2. 2.0.79 × 0.6 =
  3. 3.0.53 × 1.2 =
  4. 4.0.34 × 3.3 =
  5. 5.0.56 × 3.9 =
  6. 6.1.6 × 1.3 =
  7. 7.0.15 × 0.3 =
  8. 8.0.12 × 2.2 =
  9. 9.5.1 × 0.4 =
  10. 10.0.05 × 2.3 =
  11. 11.0.64 × 1.1 =
  12. 12.8.8 × 0.11 =
  13. 13.0.71 × 3.7 =
  14. 14.6.8 × 0.8 =
  15. 15.0.07 × 0.8 =
  16. 16.0.3 × 1.2 =
  17. 17.0.69 × 3.5 =
  18. 18.0.71 × 1.9 =
  19. 19.0.97 × 1.2 =
  20. 20.4.1 × 3.7 =
  21. 21.4.7 × 0.2 =
  22. 22.0.02 × 0.4 =
  23. 23.7.7 × 0.24 =
  24. 24.2.3 × 0.21 =
  25. 25.1.1 × 0.5 =
  26. 26.3.4 × 0.08 =
  27. 27.0.83 × 3.5 =
  28. 28.0.52 × 1.4 =
  29. 29.0.82 × 0.2 =
  30. 30.8.5 × 3.3 =
  31. 31.0.73 × 0.6 =
  32. 32.8.8 × 1.5 =
  33. 33.8.3 × 1.1 =
  34. 34.0.25 × 1.2 =
  35. 35.4.7 × 0.08 =
  36. 36.0.19 × 1.2 =
  37. 37.9.5 × 0.22 =
  38. 38.0.21 × 3.6 =
  39. 39.7.2 × 2.8 =
  40. 40.9.1 × 3.4 =

Answer key

  1. 1.76
  2. 0.474
  3. 0.636
  4. 1.122
  5. 2.184
  6. 2.08
  7. 0.045
  8. 0.264
  9. 2.04
  10. 0.115
  11. 0.704
  12. 0.968
  13. 2.627
  14. 5.44
  15. 0.056
  16. 0.36
  17. 2.415
  18. 1.349
  19. 1.164
  20. 15.17
  21. 0.94
  22. 0.008
  23. 1.848
  24. 0.483
  25. 0.55
  26. 0.272
  27. 2.905
  28. 0.728
  29. 0.164
  30. 28.05
  31. 0.438
  32. 13.2
  33. 9.13
  34. 0.3
  35. 0.376
  36. 0.228
  37. 2.09
  38. 0.756
  39. 20.16
  40. 30.94

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