← Decimal × decimal lesson New set →

Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 398 · 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. 1.0.07 × 3.1 =
  2. 2.0.76 × 2.2 =
  3. 3.9.6 × 0.5 =
  4. 4.1.1 × 2.7 =
  5. 5.0.19 × 2.4 =
  6. 6.0.11 × 1.1 =
  7. 7.2.4 × 1.8 =
  8. 8.0.82 × 3.1 =
  9. 9.3.7 × 3.5 =
  10. 10.0.59 × 3.1 =
  11. 11.2.9 × 0.16 =
  12. 12.1.9 × 0.9 =
  13. 13.8.1 × 0.11 =
  14. 14.7.5 × 3.8 =
  15. 15.7.8 × 0.02 =
  16. 16.1.8 × 3.5 =
  17. 17.0.04 × 1.1 =
  18. 18.0.38 × 1.6 =
  19. 19.0.72 × 1.5 =
  20. 20.0.23 × 0.6 =
  21. 21.5.2 × 2.2 =
  22. 22.0.83 × 0.4 =
  23. 23.0.42 × 2.1 =
  24. 24.8.5 × 0.35 =
  25. 25.0.73 × 0.9 =
  26. 26.7.2 × 3.7 =
  27. 27.7.9 × 0.8 =
  28. 28.0.66 × 2.2 =
  29. 29.0.61 × 3.5 =
  30. 30.5.9 × 0.02 =
  31. 31.0.5 × 2.7 =
  32. 32.0.36 × 0.4 =
  33. 33.0.59 × 0.6 =
  34. 34.0.22 × 0.5 =
  35. 35.9.3 × 0.25 =
  36. 36.4.7 × 1.5 =
  37. 37.5.6 × 0.19 =
  38. 38.0.81 × 1.9 =
  39. 39.3.3 × 0.11 =
  40. 40.0.73 × 2.1 =

Answer key

  1. 0.217
  2. 1.672
  3. 4.8
  4. 2.97
  5. 0.456
  6. 0.121
  7. 4.32
  8. 2.542
  9. 12.95
  10. 1.829
  11. 0.464
  12. 1.71
  13. 0.891
  14. 28.5
  15. 0.156
  16. 6.3
  17. 0.044
  18. 0.608
  19. 1.08
  20. 0.138
  21. 11.44
  22. 0.332
  23. 0.882
  24. 2.975
  25. 0.657
  26. 26.64
  27. 6.32
  28. 1.452
  29. 2.135
  30. 0.118
  31. 1.35
  32. 0.144
  33. 0.354
  34. 0.11
  35. 2.325
  36. 7.05
  37. 1.064
  38. 1.539
  39. 0.363
  40. 1.533

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