← Decimal × decimal lesson New set →

Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 40 · 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. 1.9.9 × 2.1 =
  2. 2.8.1 × 0.09 =
  3. 3.0.71 × 3.3 =
  4. 4.0.92 × 0.8 =
  5. 5.0.63 × 3.9 =
  6. 6.1.1 × 0.03 =
  7. 7.0.49 × 2.2 =
  8. 8.4.4 × 3.9 =
  9. 9.2.4 × 0.39 =
  10. 10.7.1 × 0.31 =
  11. 11.1.1 × 2.6 =
  12. 12.2.3 × 3.2 =
  13. 13.0.21 × 0.7 =
  14. 14.9.7 × 2.9 =
  15. 15.8.2 × 0.08 =
  16. 16.0.81 × 0.3 =
  17. 17.0.66 × 2.7 =
  18. 18.0.06 × 3.8 =
  19. 19.0.71 × 3.8 =
  20. 20.0.13 × 0.4 =
  21. 21.5.1 × 0.8 =
  22. 22.0.03 × 0.2 =
  23. 23.0.91 × 3.1 =
  24. 24.0.6 × 0.19 =
  25. 25.0.09 × 1.8 =
  26. 26.0.51 × 1.7 =
  27. 27.3.3 × 0.14 =
  28. 28.0.11 × 2.3 =
  29. 29.0.06 × 0.6 =
  30. 30.5.8 × 0.31 =
  31. 31.0.11 × 2.4 =
  32. 32.8.5 × 0.11 =
  33. 33.0.28 × 0.7 =
  34. 34.0.8 × 0.33 =
  35. 35.3.4 × 0.08 =
  36. 36.0.68 × 3.1 =
  37. 37.0.09 × 2.1 =
  38. 38.0.82 × 0.8 =
  39. 39.1.3 × 0.14 =
  40. 40.0.87 × 1.2 =

Answer key

  1. 20.79
  2. 0.729
  3. 2.343
  4. 0.736
  5. 2.457
  6. 0.033
  7. 1.078
  8. 17.16
  9. 0.936
  10. 2.201
  11. 2.86
  12. 7.36
  13. 0.147
  14. 28.13
  15. 0.656
  16. 0.243
  17. 1.782
  18. 0.228
  19. 2.698
  20. 0.052
  21. 4.08
  22. 0.006
  23. 2.821
  24. 0.114
  25. 0.162
  26. 0.867
  27. 0.462
  28. 0.253
  29. 0.036
  30. 1.798
  31. 0.264
  32. 0.935
  33. 0.196
  34. 0.264
  35. 0.272
  36. 2.108
  37. 0.189
  38. 0.656
  39. 0.182
  40. 1.044

Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths