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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 700 · 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. 1.0.95 × 1.2 =
  2. 2.0.81 × 1.6 =
  3. 3.0.68 × 2.8 =
  4. 4.7.3 × 0.31 =
  5. 5.1.8 × 0.26 =
  6. 6.1.8 × 0.5 =
  7. 7.8.7 × 0.39 =
  8. 8.0.31 × 2.7 =
  9. 9.0.33 × 1.8 =
  10. 10.0.65 × 1.7 =
  11. 11.0.38 × 0.4 =
  12. 12.1.4 × 0.17 =
  13. 13.8.7 × 0.07 =
  14. 14.0.61 × 3.1 =
  15. 15.0.08 × 1.1 =
  16. 16.0.16 × 2.1 =
  17. 17.0.99 × 2.1 =
  18. 18.0.99 × 1.1 =
  19. 19.1.2 × 2.4 =
  20. 20.2.7 × 2.7 =
  21. 21.1.5 × 0.09 =
  22. 22.0.64 × 2.5 =
  23. 23.0.15 × 3.1 =
  24. 24.0.02 × 3.4 =
  25. 25.0.94 × 3.5 =
  26. 26.0.03 × 2.7 =
  27. 27.0.08 × 3.6 =
  28. 28.3.1 × 3.1 =
  29. 29.0.71 × 2.8 =
  30. 30.2.8 × 2.9 =
  31. 31.6.6 × 0.22 =
  32. 32.0.27 × 1.9 =
  33. 33.1.4 × 3.4 =
  34. 34.6.9 × 0.07 =
  35. 35.0.96 × 0.4 =
  36. 36.4.8 × 0.03 =
  37. 37.2.1 × 3.4 =
  38. 38.2.4 × 0.28 =
  39. 39.0.03 × 0.4 =
  40. 40.0.45 × 0.9 =

Answer key

  1. 1.14
  2. 1.296
  3. 1.904
  4. 2.263
  5. 0.468
  6. 0.9
  7. 3.393
  8. 0.837
  9. 0.594
  10. 1.105
  11. 0.152
  12. 0.238
  13. 0.609
  14. 1.891
  15. 0.088
  16. 0.336
  17. 2.079
  18. 1.089
  19. 2.88
  20. 7.29
  21. 0.135
  22. 1.6
  23. 0.465
  24. 0.068
  25. 3.29
  26. 0.081
  27. 0.288
  28. 9.61
  29. 1.988
  30. 8.12
  31. 1.452
  32. 0.513
  33. 4.76
  34. 0.483
  35. 0.384
  36. 0.144
  37. 7.14
  38. 0.672
  39. 0.012
  40. 0.405

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