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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 455 · 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. 1.0.48 × 1.3 =
  2. 2.0.15 × 3.9 =
  3. 3.0.85 × 1.6 =
  4. 4.9.4 × 0.2 =
  5. 5.0.39 × 1.9 =
  6. 6.0.8 × 0.09 =
  7. 7.2.4 × 3.6 =
  8. 8.0.7 × 0.4 =
  9. 9.0.49 × 3.4 =
  10. 10.0.3 × 2.9 =
  11. 11.5.6 × 0.5 =
  12. 12.0.82 × 0.4 =
  13. 13.6.4 × 0.31 =
  14. 14.0.19 × 0.5 =
  15. 15.0.45 × 3.6 =
  16. 16.3.8 × 3.8 =
  17. 17.0.95 × 2.8 =
  18. 18.0.6 × 0.05 =
  19. 19.0.33 × 1.7 =
  20. 20.7.5 × 0.37 =
  21. 21.0.85 × 1.9 =
  22. 22.3.8 × 0.23 =
  23. 23.0.02 × 2.2 =
  24. 24.0.52 × 1.2 =
  25. 25.0.79 × 1.7 =
  26. 26.0.21 × 3.2 =
  27. 27.9.2 × 0.34 =
  28. 28.4.7 × 0.32 =
  29. 29.0.21 × 1.6 =
  30. 30.6.3 × 3.5 =
  31. 31.0.61 × 2.7 =
  32. 32.3.7 × 3.5 =
  33. 33.7.9 × 0.04 =
  34. 34.3.2 × 2.1 =
  35. 35.3.2 × 0.26 =
  36. 36.0.67 × 0.7 =
  37. 37.4.1 × 0.5 =
  38. 38.6.1 × 2.9 =
  39. 39.0.83 × 0.3 =
  40. 40.0.88 × 3.9 =

Answer key

  1. 0.624
  2. 0.585
  3. 1.36
  4. 1.88
  5. 0.741
  6. 0.072
  7. 8.64
  8. 0.28
  9. 1.666
  10. 0.87
  11. 2.8
  12. 0.328
  13. 1.984
  14. 0.095
  15. 1.62
  16. 14.44
  17. 2.66
  18. 0.03
  19. 0.561
  20. 2.775
  21. 1.615
  22. 0.874
  23. 0.044
  24. 0.624
  25. 1.343
  26. 0.672
  27. 3.128
  28. 1.504
  29. 0.336
  30. 22.05
  31. 1.647
  32. 12.95
  33. 0.316
  34. 6.72
  35. 0.832
  36. 0.469
  37. 2.05
  38. 17.69
  39. 0.249
  40. 3.432

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