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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 338 · 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 × 1.3 =
  2. 2.0.81 × 2.1 =
  3. 3.0.66 × 3.4 =
  4. 4.0.96 × 2.8 =
  5. 5.0.68 × 0.6 =
  6. 6.6.9 × 0.28 =
  7. 7.0.23 × 3.4 =
  8. 8.0.9 × 0.33 =
  9. 9.4.1 × 0.17 =
  10. 10.0.33 × 1.1 =
  11. 11.0.43 × 3.9 =
  12. 12.3.6 × 2.2 =
  13. 13.7.9 × 0.16 =
  14. 14.0.57 × 2.3 =
  15. 15.8.6 × 0.18 =
  16. 16.0.76 × 2.3 =
  17. 17.0.81 × 1.2 =
  18. 18.0.13 × 1.1 =
  19. 19.0.84 × 0.3 =
  20. 20.6.8 × 0.02 =
  21. 21.0.51 × 0.7 =
  22. 22.0.25 × 2.1 =
  23. 23.0.11 × 1.6 =
  24. 24.3.2 × 0.34 =
  25. 25.0.78 × 0.8 =
  26. 26.4.5 × 0.4 =
  27. 27.0.86 × 3.1 =
  28. 28.0.32 × 2.1 =
  29. 29.5.7 × 1.9 =
  30. 30.3.1 × 0.31 =
  31. 31.0.41 × 2.3 =
  32. 32.2.4 × 0.26 =
  33. 33.5.1 × 3.6 =
  34. 34.0.69 × 0.6 =
  35. 35.2.8 × 0.2 =
  36. 36.5.2 × 2.7 =
  37. 37.0.4 × 0.36 =
  38. 38.1.8 × 0.02 =
  39. 39.2.6 × 2.8 =
  40. 40.0.21 × 1.9 =

Answer key

  1. 1.235
  2. 1.701
  3. 2.244
  4. 2.688
  5. 0.408
  6. 1.932
  7. 0.782
  8. 0.297
  9. 0.697
  10. 0.363
  11. 1.677
  12. 7.92
  13. 1.264
  14. 1.311
  15. 1.548
  16. 1.748
  17. 0.972
  18. 0.143
  19. 0.252
  20. 0.136
  21. 0.357
  22. 0.525
  23. 0.176
  24. 1.088
  25. 0.624
  26. 1.8
  27. 2.666
  28. 0.672
  29. 10.83
  30. 0.961
  31. 0.943
  32. 0.624
  33. 18.36
  34. 0.414
  35. 0.56
  36. 14.04
  37. 0.144
  38. 0.036
  39. 7.28
  40. 0.399

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