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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 639 · 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. 1.4.1 × 0.06 =
  2. 2.0.96 × 3.4 =
  3. 3.0.63 × 2.8 =
  4. 4.0.31 × 3.1 =
  5. 5.0.51 × 3.1 =
  6. 6.4.6 × 0.02 =
  7. 7.7.6 × 0.09 =
  8. 8.0.61 × 1.1 =
  9. 9.0.52 × 3.1 =
  10. 10.0.33 × 0.5 =
  11. 11.0.31 × 0.7 =
  12. 12.0.51 × 1.7 =
  13. 13.0.62 × 1.7 =
  14. 14.0.07 × 0.2 =
  15. 15.0.71 × 0.4 =
  16. 16.0.14 × 2.9 =
  17. 17.8.2 × 0.36 =
  18. 18.0.61 × 0.8 =
  19. 19.5.2 × 1.2 =
  20. 20.0.52 × 1.9 =
  21. 21.0.53 × 2.2 =
  22. 22.5.1 × 0.9 =
  23. 23.9.9 × 0.05 =
  24. 24.0.49 × 2.2 =
  25. 25.7.7 × 0.24 =
  26. 26.2.2 × 0.2 =
  27. 27.1.9 × 0.6 =
  28. 28.3.8 × 2.5 =
  29. 29.6.5 × 0.33 =
  30. 30.4.5 × 2.1 =
  31. 31.0.21 × 1.1 =
  32. 32.6.2 × 1.4 =
  33. 33.0.16 × 3.6 =
  34. 34.0.64 × 1.5 =
  35. 35.2.5 × 0.29 =
  36. 36.5.6 × 3.1 =
  37. 37.3.9 × 3.9 =
  38. 38.8.1 × 0.22 =
  39. 39.0.87 × 3.3 =
  40. 40.6.5 × 1.2 =

Answer key

  1. 0.246
  2. 3.264
  3. 1.764
  4. 0.961
  5. 1.581
  6. 0.092
  7. 0.684
  8. 0.671
  9. 1.612
  10. 0.165
  11. 0.217
  12. 0.867
  13. 1.054
  14. 0.014
  15. 0.284
  16. 0.406
  17. 2.952
  18. 0.488
  19. 6.24
  20. 0.988
  21. 1.166
  22. 4.59
  23. 0.495
  24. 1.078
  25. 1.848
  26. 0.44
  27. 1.14
  28. 9.5
  29. 2.145
  30. 9.45
  31. 0.231
  32. 8.68
  33. 0.576
  34. 0.96
  35. 0.725
  36. 17.36
  37. 15.21
  38. 1.782
  39. 2.871
  40. 7.8

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