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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 62 · 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. 1.0.3 × 0.4 =
  2. 2.0.31 × 2.2 =
  3. 3.0.61 × 3.6 =
  4. 4.0.13 × 3.6 =
  5. 5.0.83 × 0.5 =
  6. 6.4.6 × 0.21 =
  7. 7.0.24 × 3.4 =
  8. 8.4.7 × 0.11 =
  9. 9.1.3 × 0.39 =
  10. 10.0.34 × 2.1 =
  11. 11.0.86 × 0.6 =
  12. 12.0.79 × 3.8 =
  13. 13.0.55 × 2.3 =
  14. 14.9.2 × 0.37 =
  15. 15.8.4 × 1.4 =
  16. 16.0.31 × 3.7 =
  17. 17.0.87 × 2.2 =
  18. 18.7.4 × 0.25 =
  19. 19.0.37 × 3.9 =
  20. 20.7.5 × 1.1 =
  21. 21.0.31 × 2.6 =
  22. 22.0.55 × 2.7 =
  23. 23.0.91 × 2.4 =
  24. 24.0.11 × 1.1 =
  25. 25.3.5 × 0.18 =
  26. 26.1.3 × 0.05 =
  27. 27.0.99 × 1.3 =
  28. 28.0.15 × 0.2 =
  29. 29.0.03 × 2.1 =
  30. 30.0.44 × 3.3 =
  31. 31.9.5 × 2.3 =
  32. 32.0.21 × 3.7 =
  33. 33.0.4 × 1.1 =
  34. 34.0.05 × 1.1 =
  35. 35.0.95 × 2.4 =
  36. 36.3.3 × 0.34 =
  37. 37.2.6 × 1.4 =
  38. 38.0.57 × 0.4 =
  39. 39.8.3 × 0.27 =
  40. 40.0.6 × 0.24 =

Answer key

  1. 0.12
  2. 0.682
  3. 2.196
  4. 0.468
  5. 0.415
  6. 0.966
  7. 0.816
  8. 0.517
  9. 0.507
  10. 0.714
  11. 0.516
  12. 3.002
  13. 1.265
  14. 3.404
  15. 11.76
  16. 1.147
  17. 1.914
  18. 1.85
  19. 1.443
  20. 8.25
  21. 0.806
  22. 1.485
  23. 2.184
  24. 0.121
  25. 0.63
  26. 0.065
  27. 1.287
  28. 0.03
  29. 0.063
  30. 1.452
  31. 21.85
  32. 0.777
  33. 0.44
  34. 0.055
  35. 2.28
  36. 1.122
  37. 3.64
  38. 0.228
  39. 2.241
  40. 0.144

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