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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 215 · 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. 1.0.2 × 0.11 =
  2. 2.0.49 × 1.2 =
  3. 3.0.86 × 3.4 =
  4. 4.2.2 × 0.8 =
  5. 5.0.03 × 0.7 =
  6. 6.8.6 × 1.4 =
  7. 7.2.3 × 0.3 =
  8. 8.1.3 × 0.02 =
  9. 9.0.81 × 3.6 =
  10. 10.0.2 × 1.8 =
  11. 11.7.4 × 1.1 =
  12. 12.0.49 × 1.7 =
  13. 13.0.95 × 2.9 =
  14. 14.7.2 × 0.2 =
  15. 15.0.14 × 2.7 =
  16. 16.4.6 × 3.9 =
  17. 17.0.91 × 0.8 =
  18. 18.0.53 × 1.1 =
  19. 19.0.42 × 1.3 =
  20. 20.0.49 × 3.7 =
  21. 21.2.2 × 0.29 =
  22. 22.9.4 × 0.26 =
  23. 23.0.29 × 0.7 =
  24. 24.0.3 × 2.2 =
  25. 25.1.1 × 1.1 =
  26. 26.3.4 × 2.1 =
  27. 27.0.76 × 0.2 =
  28. 28.0.02 × 2.4 =
  29. 29.6.2 × 0.17 =
  30. 30.3.3 × 0.35 =
  31. 31.1.6 × 0.34 =
  32. 32.0.36 × 0.9 =
  33. 33.0.55 × 0.8 =
  34. 34.0.98 × 0.7 =
  35. 35.0.06 × 0.8 =
  36. 36.9.5 × 0.06 =
  37. 37.7.1 × 2.9 =
  38. 38.0.94 × 1.8 =
  39. 39.0.21 × 3.3 =
  40. 40.0.96 × 1.6 =

Answer key

  1. 0.022
  2. 0.588
  3. 2.924
  4. 1.76
  5. 0.021
  6. 12.04
  7. 0.69
  8. 0.026
  9. 2.916
  10. 0.36
  11. 8.14
  12. 0.833
  13. 2.755
  14. 1.44
  15. 0.378
  16. 17.94
  17. 0.728
  18. 0.583
  19. 0.546
  20. 1.813
  21. 0.638
  22. 2.444
  23. 0.203
  24. 0.66
  25. 1.21
  26. 7.14
  27. 0.152
  28. 0.048
  29. 1.054
  30. 1.155
  31. 0.544
  32. 0.324
  33. 0.44
  34. 0.686
  35. 0.048
  36. 0.57
  37. 20.59
  38. 1.692
  39. 0.693
  40. 1.536

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