← Decimal × decimal lesson New set →

Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 244 · 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. 1.0.97 × 2.1 =
  2. 2.4.4 × 0.28 =
  3. 3.2.2 × 0.5 =
  4. 4.9.7 × 0.13 =
  5. 5.0.61 × 0.8 =
  6. 6.0.91 × 2.1 =
  7. 7.0.83 × 0.6 =
  8. 8.0.65 × 2.3 =
  9. 9.0.12 × 2.5 =
  10. 10.0.35 × 0.8 =
  11. 11.2.1 × 0.5 =
  12. 12.4.1 × 3.7 =
  13. 13.6.1 × 0.11 =
  14. 14.0.63 × 3.1 =
  15. 15.0.09 × 1.5 =
  16. 16.1.7 × 0.03 =
  17. 17.8.2 × 3.9 =
  18. 18.0.71 × 1.9 =
  19. 19.4.6 × 2.4 =
  20. 20.0.8 × 3.8 =
  21. 21.7.6 × 0.17 =
  22. 22.0.92 × 0.4 =
  23. 23.0.44 × 0.7 =
  24. 24.3.3 × 0.08 =
  25. 25.0.3 × 0.11 =
  26. 26.9.9 × 0.2 =
  27. 27.2.1 × 3.5 =
  28. 28.1.3 × 0.29 =
  29. 29.0.81 × 0.4 =
  30. 30.0.05 × 1.1 =
  31. 31.6.6 × 0.12 =
  32. 32.2.5 × 0.13 =
  33. 33.8.4 × 3.3 =
  34. 34.8.8 × 0.27 =
  35. 35.8.3 × 1.3 =
  36. 36.0.7 × 1.1 =
  37. 37.0.05 × 3.7 =
  38. 38.0.47 × 1.2 =
  39. 39.0.14 × 3.5 =
  40. 40.2.9 × 0.3 =

Answer key

  1. 2.037
  2. 1.232
  3. 1.1
  4. 1.261
  5. 0.488
  6. 1.911
  7. 0.498
  8. 1.495
  9. 0.3
  10. 0.28
  11. 1.05
  12. 15.17
  13. 0.671
  14. 1.953
  15. 0.135
  16. 0.051
  17. 31.98
  18. 1.349
  19. 11.04
  20. 3.04
  21. 1.292
  22. 0.368
  23. 0.308
  24. 0.264
  25. 0.033
  26. 1.98
  27. 7.35
  28. 0.377
  29. 0.324
  30. 0.055
  31. 0.792
  32. 0.325
  33. 27.72
  34. 2.376
  35. 10.79
  36. 0.77
  37. 0.185
  38. 0.564
  39. 0.49
  40. 0.87

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