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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 185 · 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. 1.8.3 × 0.02 =
  2. 2.2.6 × 0.28 =
  3. 3.0.13 × 2.6 =
  4. 4.2.2 × 1.7 =
  5. 5.0.2 × 1.8 =
  6. 6.0.97 × 3.9 =
  7. 7.0.33 × 0.9 =
  8. 8.2.7 × 0.04 =
  9. 9.9.7 × 3.6 =
  10. 10.0.47 × 0.8 =
  11. 11.4.1 × 0.35 =
  12. 12.1.7 × 3.1 =
  13. 13.0.91 × 0.2 =
  14. 14.3.7 × 3.7 =
  15. 15.1.1 × 1.4 =
  16. 16.0.46 × 1.5 =
  17. 17.0.77 × 0.7 =
  18. 18.0.68 × 0.8 =
  19. 19.7.2 × 0.31 =
  20. 20.1.1 × 0.05 =
  21. 21.0.7 × 0.3 =
  22. 22.0.31 × 1.3 =
  23. 23.0.2 × 0.8 =
  24. 24.0.11 × 0.2 =
  25. 25.5.7 × 0.7 =
  26. 26.0.29 × 2.6 =
  27. 27.0.91 × 2.1 =
  28. 28.6.3 × 2.9 =
  29. 29.5.1 × 0.17 =
  30. 30.0.89 × 3.1 =
  31. 31.5.5 × 0.09 =
  32. 32.4.1 × 0.31 =
  33. 33.0.82 × 0.7 =
  34. 34.0.22 × 0.5 =
  35. 35.0.48 × 3.8 =
  36. 36.4.7 × 2.7 =
  37. 37.0.81 × 0.9 =
  38. 38.0.02 × 0.2 =
  39. 39.0.11 × 2.3 =
  40. 40.5.1 × 0.05 =

Answer key

  1. 0.166
  2. 0.728
  3. 0.338
  4. 3.74
  5. 0.36
  6. 3.783
  7. 0.297
  8. 0.108
  9. 34.92
  10. 0.376
  11. 1.435
  12. 5.27
  13. 0.182
  14. 13.69
  15. 1.54
  16. 0.69
  17. 0.539
  18. 0.544
  19. 2.232
  20. 0.055
  21. 0.21
  22. 0.403
  23. 0.16
  24. 0.022
  25. 3.99
  26. 0.754
  27. 1.911
  28. 18.27
  29. 0.867
  30. 2.759
  31. 0.495
  32. 1.271
  33. 0.574
  34. 0.11
  35. 1.824
  36. 12.69
  37. 0.729
  38. 0.004
  39. 0.253
  40. 0.255

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