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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 493 · 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. 1.7.1 × 0.8 =
  2. 2.6.8 × 0.37 =
  3. 3.0.31 × 1.6 =
  4. 4.1.6 × 2.2 =
  5. 5.0.76 × 0.4 =
  6. 6.7.8 × 1.7 =
  7. 7.0.72 × 3.8 =
  8. 8.0.58 × 3.1 =
  9. 9.1.6 × 0.7 =
  10. 10.8.1 × 0.22 =
  11. 11.0.54 × 3.1 =
  12. 12.0.13 × 3.2 =
  13. 13.0.25 × 0.6 =
  14. 14.1.3 × 0.27 =
  15. 15.0.35 × 3.6 =
  16. 16.0.07 × 2.1 =
  17. 17.8.1 × 0.13 =
  18. 18.3.4 × 0.31 =
  19. 19.4.9 × 0.2 =
  20. 20.2.1 × 3.1 =
  21. 21.0.69 × 0.9 =
  22. 22.1.7 × 0.39 =
  23. 23.1.6 × 2.1 =
  24. 24.2.3 × 0.04 =
  25. 25.0.94 × 3.2 =
  26. 26.5.6 × 1.9 =
  27. 27.7.6 × 0.06 =
  28. 28.0.29 × 1.4 =
  29. 29.5.2 × 2.2 =
  30. 30.1.7 × 0.11 =
  31. 31.0.79 × 1.9 =
  32. 32.0.5 × 0.14 =
  33. 33.0.46 × 2.2 =
  34. 34.7.7 × 0.03 =
  35. 35.0.98 × 1.6 =
  36. 36.8.8 × 3.9 =
  37. 37.0.56 × 3.4 =
  38. 38.5.2 × 0.11 =
  39. 39.0.47 × 1.7 =
  40. 40.0.6 × 1.9 =

Answer key

  1. 5.68
  2. 2.516
  3. 0.496
  4. 3.52
  5. 0.304
  6. 13.26
  7. 2.736
  8. 1.798
  9. 1.12
  10. 1.782
  11. 1.674
  12. 0.416
  13. 0.15
  14. 0.351
  15. 1.26
  16. 0.147
  17. 1.053
  18. 1.054
  19. 0.98
  20. 6.51
  21. 0.621
  22. 0.663
  23. 3.36
  24. 0.092
  25. 3.008
  26. 10.64
  27. 0.456
  28. 0.406
  29. 11.44
  30. 0.187
  31. 1.501
  32. 0.07
  33. 1.012
  34. 0.231
  35. 1.568
  36. 34.32
  37. 1.904
  38. 0.572
  39. 0.799
  40. 1.14

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