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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 169 · 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. 1.4.6 × 0.19 =
  2. 2.0.11 × 0.3 =
  3. 3.1.6 × 0.12 =
  4. 4.3.2 × 0.4 =
  5. 5.3.2 × 0.8 =
  6. 6.9.4 × 0.11 =
  7. 7.0.65 × 2.1 =
  8. 8.0.91 × 2.5 =
  9. 9.0.43 × 1.1 =
  10. 10.1.5 × 0.06 =
  11. 11.0.11 × 1.7 =
  12. 12.9.1 × 1.6 =
  13. 13.5.7 × 1.1 =
  14. 14.0.14 × 0.9 =
  15. 15.0.36 × 2.9 =
  16. 16.6.1 × 0.37 =
  17. 17.6.1 × 3.1 =
  18. 18.0.28 × 3.3 =
  19. 19.4.1 × 0.05 =
  20. 20.0.67 × 0.9 =
  21. 21.0.06 × 0.6 =
  22. 22.0.54 × 3.4 =
  23. 23.0.49 × 1.6 =
  24. 24.9.3 × 0.11 =
  25. 25.0.03 × 3.1 =
  26. 26.9.1 × 3.3 =
  27. 27.1.4 × 3.6 =
  28. 28.0.94 × 3.8 =
  29. 29.5.7 × 3.1 =
  30. 30.0.04 × 2.2 =
  31. 31.8.2 × 1.7 =
  32. 32.9.4 × 0.3 =
  33. 33.2.5 × 0.6 =
  34. 34.4.3 × 0.11 =
  35. 35.1.5 × 0.35 =
  36. 36.0.23 × 1.1 =
  37. 37.0.9 × 0.12 =
  38. 38.6.2 × 0.11 =
  39. 39.4.2 × 0.16 =
  40. 40.0.25 × 2.2 =

Answer key

  1. 0.874
  2. 0.033
  3. 0.192
  4. 1.28
  5. 2.56
  6. 1.034
  7. 1.365
  8. 2.275
  9. 0.473
  10. 0.09
  11. 0.187
  12. 14.56
  13. 6.27
  14. 0.126
  15. 1.044
  16. 2.257
  17. 18.91
  18. 0.924
  19. 0.205
  20. 0.603
  21. 0.036
  22. 1.836
  23. 0.784
  24. 1.023
  25. 0.093
  26. 30.03
  27. 5.04
  28. 3.572
  29. 17.67
  30. 0.088
  31. 13.94
  32. 2.82
  33. 1.5
  34. 0.473
  35. 0.525
  36. 0.253
  37. 0.108
  38. 0.682
  39. 0.672
  40. 0.55

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