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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 876 · 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. 1.0.32 × 0.7 =
  2. 2.0.02 × 3.1 =
  3. 3.9.4 × 1.5 =
  4. 4.9.9 × 0.07 =
  5. 5.0.39 × 3.6 =
  6. 6.0.38 × 0.6 =
  7. 7.6.7 × 0.07 =
  8. 8.0.43 × 3.3 =
  9. 9.0.11 × 3.2 =
  10. 10.9.3 × 0.33 =
  11. 11.1.7 × 2.9 =
  12. 12.0.41 × 2.6 =
  13. 13.3.3 × 0.22 =
  14. 14.0.75 × 1.4 =
  15. 15.1.6 × 1.1 =
  16. 16.3.2 × 3.7 =
  17. 17.0.3 × 2.6 =
  18. 18.0.15 × 2.8 =
  19. 19.0.75 × 0.8 =
  20. 20.0.4 × 0.36 =
  21. 21.0.78 × 2.9 =
  22. 22.0.9 × 0.5 =
  23. 23.0.91 × 3.7 =
  24. 24.0.64 × 1.4 =
  25. 25.9.8 × 3.3 =
  26. 26.0.81 × 2.1 =
  27. 27.0.28 × 2.1 =
  28. 28.1.6 × 0.31 =
  29. 29.0.2 × 3.6 =
  30. 30.0.49 × 1.9 =
  31. 31.1.1 × 3.4 =
  32. 32.0.57 × 2.4 =
  33. 33.0.81 × 1.1 =
  34. 34.0.21 × 0.7 =
  35. 35.0.9 × 0.11 =
  36. 36.4.7 × 3.8 =
  37. 37.5.7 × 0.12 =
  38. 38.7.3 × 3.6 =
  39. 39.5.2 × 0.29 =
  40. 40.0.78 × 2.2 =

Answer key

  1. 0.224
  2. 0.062
  3. 14.1
  4. 0.693
  5. 1.404
  6. 0.228
  7. 0.469
  8. 1.419
  9. 0.352
  10. 3.069
  11. 4.93
  12. 1.066
  13. 0.726
  14. 1.05
  15. 1.76
  16. 11.84
  17. 0.78
  18. 0.42
  19. 0.6
  20. 0.144
  21. 2.262
  22. 0.45
  23. 3.367
  24. 0.896
  25. 32.34
  26. 1.701
  27. 0.588
  28. 0.496
  29. 0.72
  30. 0.931
  31. 3.74
  32. 1.368
  33. 0.891
  34. 0.147
  35. 0.099
  36. 17.86
  37. 0.684
  38. 26.28
  39. 1.508
  40. 1.716

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