← Decimal × decimal lesson New set →

Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 721 · 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. 1.8.1 × 2.5 =
  2. 2.0.83 × 2.5 =
  3. 3.0.42 × 0.5 =
  4. 4.2.8 × 3.2 =
  5. 5.9.6 × 0.29 =
  6. 6.0.27 × 0.8 =
  7. 7.0.31 × 0.4 =
  8. 8.7.1 × 0.9 =
  9. 9.8.5 × 0.15 =
  10. 10.0.4 × 0.34 =
  11. 11.9.6 × 0.27 =
  12. 12.6.1 × 0.3 =
  13. 13.0.54 × 3.3 =
  14. 14.4.6 × 0.37 =
  15. 15.2.2 × 2.9 =
  16. 16.0.52 × 1.1 =
  17. 17.1.4 × 0.21 =
  18. 18.0.27 × 0.8 =
  19. 19.8.2 × 0.16 =
  20. 20.0.61 × 3.1 =
  21. 21.0.13 × 1.1 =
  22. 22.4.5 × 0.7 =
  23. 23.0.34 × 2.5 =
  24. 24.0.24 × 0.5 =
  25. 25.0.68 × 3.4 =
  26. 26.0.14 × 2.9 =
  27. 27.8.5 × 0.9 =
  28. 28.1.7 × 3.1 =
  29. 29.5.1 × 0.35 =
  30. 30.1.9 × 1.5 =
  31. 31.6.1 × 0.2 =
  32. 32.0.46 × 3.2 =
  33. 33.0.56 × 2.1 =
  34. 34.6.7 × 2.1 =
  35. 35.7.3 × 0.11 =
  36. 36.0.25 × 1.1 =
  37. 37.8.3 × 1.5 =
  38. 38.1.4 × 0.25 =
  39. 39.0.75 × 2.8 =
  40. 40.0.61 × 2.5 =

Answer key

  1. 20.25
  2. 2.075
  3. 0.21
  4. 8.96
  5. 2.784
  6. 0.216
  7. 0.124
  8. 6.39
  9. 1.275
  10. 0.136
  11. 2.592
  12. 1.83
  13. 1.782
  14. 1.702
  15. 6.38
  16. 0.572
  17. 0.294
  18. 0.216
  19. 1.312
  20. 1.891
  21. 0.143
  22. 3.15
  23. 0.85
  24. 0.12
  25. 2.312
  26. 0.406
  27. 7.65
  28. 5.27
  29. 1.785
  30. 2.85
  31. 1.22
  32. 1.472
  33. 1.176
  34. 14.07
  35. 0.803
  36. 0.275
  37. 12.45
  38. 0.35
  39. 2.1
  40. 1.525

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