← Decimal × decimal lesson New set →

Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 428 · 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. 1.4.5 × 0.5 =
  2. 2.7.9 × 3.1 =
  3. 3.7.1 × 2.6 =
  4. 4.7.3 × 0.29 =
  5. 5.0.32 × 0.9 =
  6. 6.0.76 × 1.9 =
  7. 7.0.54 × 0.8 =
  8. 8.6.6 × 2.5 =
  9. 9.6.5 × 0.06 =
  10. 10.9.1 × 0.12 =
  11. 11.5.8 × 1.8 =
  12. 12.0.83 × 3.4 =
  13. 13.0.52 × 0.4 =
  14. 14.9.2 × 0.06 =
  15. 15.0.24 × 1.8 =
  16. 16.2.1 × 0.32 =
  17. 17.5.9 × 3.1 =
  18. 18.5.9 × 0.26 =
  19. 19.2.7 × 0.36 =
  20. 20.0.41 × 1.6 =
  21. 21.0.79 × 3.6 =
  22. 22.0.42 × 3.3 =
  23. 23.8.7 × 0.06 =
  24. 24.6.6 × 0.04 =
  25. 25.7.3 × 0.04 =
  26. 26.0.68 × 0.4 =
  27. 27.0.84 × 2.1 =
  28. 28.6.6 × 2.1 =
  29. 29.7.5 × 0.18 =
  30. 30.2.1 × 2.2 =
  31. 31.0.5 × 3.8 =
  32. 32.0.51 × 3.5 =
  33. 33.0.97 × 3.1 =
  34. 34.5.1 × 0.5 =
  35. 35.8.2 × 0.37 =
  36. 36.0.65 × 0.5 =
  37. 37.9.8 × 0.12 =
  38. 38.9.4 × 0.11 =
  39. 39.0.51 × 3.1 =
  40. 40.0.52 × 0.9 =

Answer key

  1. 2.25
  2. 24.49
  3. 18.46
  4. 2.117
  5. 0.288
  6. 1.444
  7. 0.432
  8. 16.5
  9. 0.39
  10. 1.092
  11. 10.44
  12. 2.822
  13. 0.208
  14. 0.552
  15. 0.432
  16. 0.672
  17. 18.29
  18. 1.534
  19. 0.972
  20. 0.656
  21. 2.844
  22. 1.386
  23. 0.522
  24. 0.264
  25. 0.292
  26. 0.272
  27. 1.764
  28. 13.86
  29. 1.35
  30. 4.62
  31. 1.9
  32. 1.785
  33. 3.007
  34. 2.55
  35. 3.034
  36. 0.325
  37. 1.176
  38. 1.034
  39. 1.581
  40. 0.468

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