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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 805 · 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. 1.0.37 × 2.5 =
  2. 2.0.53 × 3.7 =
  3. 3.4.4 × 0.28 =
  4. 4.0.34 × 1.9 =
  5. 5.0.26 × 2.1 =
  6. 6.0.97 × 0.8 =
  7. 7.0.61 × 2.4 =
  8. 8.3.4 × 0.23 =
  9. 9.9.5 × 0.26 =
  10. 10.9.9 × 0.38 =
  11. 11.5.6 × 0.23 =
  12. 12.4.4 × 1.2 =
  13. 13.0.82 × 2.7 =
  14. 14.0.17 × 0.4 =
  15. 15.0.58 × 0.5 =
  16. 16.0.7 × 1.9 =
  17. 17.3.4 × 0.26 =
  18. 18.8.1 × 1.2 =
  19. 19.0.72 × 3.7 =
  20. 20.0.26 × 1.1 =
  21. 21.8.5 × 2.5 =
  22. 22.4.8 × 3.3 =
  23. 23.3.8 × 1.5 =
  24. 24.1.3 × 2.7 =
  25. 25.0.27 × 2.5 =
  26. 26.8.5 × 0.31 =
  27. 27.7.2 × 0.05 =
  28. 28.7.1 × 0.7 =
  29. 29.6.2 × 2.1 =
  30. 30.5.5 × 0.35 =
  31. 31.0.14 × 1.9 =
  32. 32.0.91 × 0.9 =
  33. 33.6.4 × 2.7 =
  34. 34.0.02 × 1.8 =
  35. 35.0.82 × 3.3 =
  36. 36.0.4 × 0.11 =
  37. 37.7.2 × 0.29 =
  38. 38.0.37 × 2.5 =
  39. 39.0.25 × 3.2 =
  40. 40.9.3 × 0.7 =

Answer key

  1. 0.925
  2. 1.961
  3. 1.232
  4. 0.646
  5. 0.546
  6. 0.776
  7. 1.464
  8. 0.782
  9. 2.47
  10. 3.762
  11. 1.288
  12. 5.28
  13. 2.214
  14. 0.068
  15. 0.29
  16. 1.33
  17. 0.884
  18. 9.72
  19. 2.664
  20. 0.286
  21. 21.25
  22. 15.84
  23. 5.7
  24. 3.51
  25. 0.675
  26. 2.635
  27. 0.36
  28. 4.97
  29. 13.02
  30. 1.925
  31. 0.266
  32. 0.819
  33. 17.28
  34. 0.036
  35. 2.706
  36. 0.044
  37. 2.088
  38. 0.925
  39. 0.8
  40. 6.51

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