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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 943 · 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. 1.0.41 × 1.9 =
  2. 2.0.83 × 0.6 =
  3. 3.1.1 × 1.2 =
  4. 4.0.21 × 0.6 =
  5. 5.0.81 × 2.9 =
  6. 6.0.99 × 2.2 =
  7. 7.4.8 × 0.7 =
  8. 8.0.08 × 2.6 =
  9. 9.2.3 × 0.21 =
  10. 10.0.86 × 0.5 =
  11. 11.0.64 × 2.7 =
  12. 12.4.7 × 3.5 =
  13. 13.0.11 × 2.7 =
  14. 14.0.26 × 3.3 =
  15. 15.0.87 × 1.3 =
  16. 16.3.7 × 0.03 =
  17. 17.0.56 × 1.1 =
  18. 18.0.59 × 0.2 =
  19. 19.0.16 × 2.6 =
  20. 20.0.03 × 0.4 =
  21. 21.5.4 × 1.4 =
  22. 22.0.4 × 3.6 =
  23. 23.7.5 × 0.12 =
  24. 24.0.31 × 1.9 =
  25. 25.0.29 × 1.4 =
  26. 26.0.53 × 3.7 =
  27. 27.8.4 × 0.16 =
  28. 28.0.97 × 3.8 =
  29. 29.0.83 × 2.6 =
  30. 30.7.7 × 0.3 =
  31. 31.6.4 × 0.3 =
  32. 32.0.21 × 1.2 =
  33. 33.0.23 × 2.1 =
  34. 34.0.23 × 3.5 =
  35. 35.8.5 × 0.33 =
  36. 36.4.9 × 2.8 =
  37. 37.2.7 × 0.17 =
  38. 38.4.4 × 0.22 =
  39. 39.0.51 × 1.8 =
  40. 40.0.64 × 2.6 =

Answer key

  1. 0.779
  2. 0.498
  3. 1.32
  4. 0.126
  5. 2.349
  6. 2.178
  7. 3.36
  8. 0.208
  9. 0.483
  10. 0.43
  11. 1.728
  12. 16.45
  13. 0.297
  14. 0.858
  15. 1.131
  16. 0.111
  17. 0.616
  18. 0.118
  19. 0.416
  20. 0.012
  21. 7.56
  22. 1.44
  23. 0.9
  24. 0.589
  25. 0.406
  26. 1.961
  27. 1.344
  28. 3.686
  29. 2.158
  30. 2.31
  31. 1.92
  32. 0.252
  33. 0.483
  34. 0.805
  35. 2.805
  36. 13.72
  37. 0.459
  38. 0.968
  39. 0.918
  40. 1.664

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