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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 188 · 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. 1.0.83 × 0.2 =
  2. 2.5.2 × 0.4 =
  3. 3.0.36 × 3.9 =
  4. 4.0.54 × 1.1 =
  5. 5.0.24 × 0.2 =
  6. 6.5.3 × 1.1 =
  7. 7.0.08 × 0.2 =
  8. 8.0.48 × 3.4 =
  9. 9.0.34 × 1.8 =
  10. 10.3.7 × 0.07 =
  11. 11.8.1 × 0.06 =
  12. 12.0.68 × 2.9 =
  13. 13.6.1 × 3.8 =
  14. 14.0.35 × 0.7 =
  15. 15.0.47 × 3.8 =
  16. 16.0.93 × 3.2 =
  17. 17.8.4 × 0.31 =
  18. 18.0.74 × 2.1 =
  19. 19.0.16 × 0.2 =
  20. 20.9.8 × 0.14 =
  21. 21.0.11 × 0.8 =
  22. 22.0.22 × 0.9 =
  23. 23.0.16 × 1.2 =
  24. 24.0.48 × 3.8 =
  25. 25.0.94 × 0.6 =
  26. 26.7.1 × 3.1 =
  27. 27.7.3 × 0.11 =
  28. 28.0.51 × 1.8 =
  29. 29.0.59 × 3.1 =
  30. 30.1.8 × 3.1 =
  31. 31.2.5 × 0.28 =
  32. 32.0.62 × 0.4 =
  33. 33.0.99 × 1.4 =
  34. 34.6.3 × 2.5 =
  35. 35.0.52 × 1.3 =
  36. 36.0.41 × 2.5 =
  37. 37.3.2 × 3.4 =
  38. 38.3.7 × 0.2 =
  39. 39.1.6 × 0.22 =
  40. 40.9.9 × 0.39 =

Answer key

  1. 0.166
  2. 2.08
  3. 1.404
  4. 0.594
  5. 0.048
  6. 5.83
  7. 0.016
  8. 1.632
  9. 0.612
  10. 0.259
  11. 0.486
  12. 1.972
  13. 23.18
  14. 0.245
  15. 1.786
  16. 2.976
  17. 2.604
  18. 1.554
  19. 0.032
  20. 1.372
  21. 0.088
  22. 0.198
  23. 0.192
  24. 1.824
  25. 0.564
  26. 22.01
  27. 0.803
  28. 0.918
  29. 1.829
  30. 5.58
  31. 0.7
  32. 0.248
  33. 1.386
  34. 15.75
  35. 0.676
  36. 1.025
  37. 10.88
  38. 0.74
  39. 0.352
  40. 3.861

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