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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 70 · 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. 1.0.8 × 0.22 =
  2. 2.4.9 × 1.8 =
  3. 3.0.24 × 0.9 =
  4. 4.9.2 × 2.1 =
  5. 5.0.29 × 3.4 =
  6. 6.0.28 × 2.8 =
  7. 7.1.9 × 3.2 =
  8. 8.0.6 × 0.24 =
  9. 9.0.9 × 0.7 =
  10. 10.6.6 × 0.27 =
  11. 11.6.1 × 1.8 =
  12. 12.2.6 × 0.6 =
  13. 13.0.77 × 3.6 =
  14. 14.0.31 × 1.1 =
  15. 15.8.8 × 3.1 =
  16. 16.0.5 × 0.39 =
  17. 17.0.9 × 2.4 =
  18. 18.0.95 × 1.2 =
  19. 19.1.2 × 0.21 =
  20. 20.6.1 × 3.2 =
  21. 21.0.8 × 2.5 =
  22. 22.2.2 × 2.9 =
  23. 23.9.3 × 2.6 =
  24. 24.0.21 × 2.7 =
  25. 25.0.4 × 2.6 =
  26. 26.0.55 × 3.1 =
  27. 27.6.3 × 2.2 =
  28. 28.0.7 × 0.25 =
  29. 29.0.41 × 0.7 =
  30. 30.0.44 × 2.6 =
  31. 31.3.6 × 0.27 =
  32. 32.7.3 × 0.04 =
  33. 33.0.98 × 2.5 =
  34. 34.0.23 × 0.6 =
  35. 35.5.8 × 0.04 =
  36. 36.3.1 × 1.7 =
  37. 37.0.58 × 0.8 =
  38. 38.5.1 × 0.02 =
  39. 39.2.5 × 2.3 =
  40. 40.7.1 × 0.8 =

Answer key

  1. 0.176
  2. 8.82
  3. 0.216
  4. 19.32
  5. 0.986
  6. 0.784
  7. 6.08
  8. 0.144
  9. 0.63
  10. 1.782
  11. 10.98
  12. 1.56
  13. 2.772
  14. 0.341
  15. 27.28
  16. 0.195
  17. 2.16
  18. 1.14
  19. 0.252
  20. 19.52
  21. 2
  22. 6.38
  23. 24.18
  24. 0.567
  25. 1.04
  26. 1.705
  27. 13.86
  28. 0.175
  29. 0.287
  30. 1.144
  31. 0.972
  32. 0.292
  33. 2.45
  34. 0.138
  35. 0.232
  36. 5.27
  37. 0.464
  38. 0.102
  39. 5.75
  40. 5.68

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