← Decimal × decimal lesson New set →

Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 312 · 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. 1.0.81 × 3.8 =
  2. 2.5.1 × 3.1 =
  3. 3.4.3 × 0.31 =
  4. 4.0.23 × 3.6 =
  5. 5.0.25 × 2.1 =
  6. 6.0.4 × 0.15 =
  7. 7.7.8 × 0.7 =
  8. 8.0.22 × 2.8 =
  9. 9.0.17 × 1.1 =
  10. 10.6.1 × 2.7 =
  11. 11.0.11 × 2.9 =
  12. 12.0.51 × 0.9 =
  13. 13.0.27 × 0.6 =
  14. 14.0.55 × 0.8 =
  15. 15.0.5 × 0.7 =
  16. 16.4.3 × 0.15 =
  17. 17.0.09 × 0.8 =
  18. 18.1.7 × 3.7 =
  19. 19.0.25 × 2.8 =
  20. 20.0.83 × 0.6 =
  21. 21.0.49 × 0.4 =
  22. 22.2.8 × 3.4 =
  23. 23.0.54 × 3.5 =
  24. 24.0.6 × 0.24 =
  25. 25.3.1 × 2.1 =
  26. 26.3.2 × 2.3 =
  27. 27.1.1 × 3.3 =
  28. 28.0.5 × 3.9 =
  29. 29.0.14 × 0.9 =
  30. 30.3.7 × 0.24 =
  31. 31.6.2 × 0.15 =
  32. 32.0.03 × 3.2 =
  33. 33.0.2 × 0.18 =
  34. 34.1.7 × 0.05 =
  35. 35.9.7 × 0.5 =
  36. 36.9.4 × 0.29 =
  37. 37.0.23 × 1.2 =
  38. 38.7.1 × 0.21 =
  39. 39.0.68 × 0.4 =
  40. 40.0.39 × 3.9 =

Answer key

  1. 3.078
  2. 15.81
  3. 1.333
  4. 0.828
  5. 0.525
  6. 0.06
  7. 5.46
  8. 0.616
  9. 0.187
  10. 16.47
  11. 0.319
  12. 0.459
  13. 0.162
  14. 0.44
  15. 0.35
  16. 0.645
  17. 0.072
  18. 6.29
  19. 0.7
  20. 0.498
  21. 0.196
  22. 9.52
  23. 1.89
  24. 0.144
  25. 6.51
  26. 7.36
  27. 3.63
  28. 1.95
  29. 0.126
  30. 0.888
  31. 0.93
  32. 0.096
  33. 0.036
  34. 0.085
  35. 4.85
  36. 2.726
  37. 0.276
  38. 1.491
  39. 0.272
  40. 1.521

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