← Decimal × decimal lesson New set →

Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 339 · 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. 1.0.21 × 1.9 =
  2. 2.0.5 × 0.21 =
  3. 3.0.47 × 3.4 =
  4. 4.3.3 × 3.1 =
  5. 5.0.36 × 0.4 =
  6. 6.0.24 × 2.5 =
  7. 7.0.21 × 0.5 =
  8. 8.2.7 × 1.1 =
  9. 9.7.1 × 0.14 =
  10. 10.0.11 × 3.2 =
  11. 11.2.6 × 0.9 =
  12. 12.7.4 × 2.3 =
  13. 13.9.3 × 2.1 =
  14. 14.4.5 × 0.15 =
  15. 15.3.1 × 0.34 =
  16. 16.0.21 × 3.7 =
  17. 17.0.3 × 0.16 =
  18. 18.4.6 × 0.11 =
  19. 19.8.8 × 0.27 =
  20. 20.0.32 × 2.6 =
  21. 21.0.82 × 1.1 =
  22. 22.0.6 × 1.9 =
  23. 23.0.12 × 2.1 =
  24. 24.8.4 × 0.25 =
  25. 25.5.1 × 2.8 =
  26. 26.0.2 × 0.29 =
  27. 27.0.36 × 1.7 =
  28. 28.6.2 × 0.6 =
  29. 29.5.1 × 0.32 =
  30. 30.8.1 × 1.7 =
  31. 31.0.87 × 0.3 =
  32. 32.0.91 × 1.3 =
  33. 33.4.3 × 0.09 =
  34. 34.0.77 × 2.6 =
  35. 35.5.6 × 0.09 =
  36. 36.7.5 × 1.9 =
  37. 37.5.2 × 0.4 =
  38. 38.0.11 × 3.9 =
  39. 39.0.03 × 2.1 =
  40. 40.4.3 × 1.1 =

Answer key

  1. 0.399
  2. 0.105
  3. 1.598
  4. 10.23
  5. 0.144
  6. 0.6
  7. 0.105
  8. 2.97
  9. 0.994
  10. 0.352
  11. 2.34
  12. 17.02
  13. 19.53
  14. 0.675
  15. 1.054
  16. 0.777
  17. 0.048
  18. 0.506
  19. 2.376
  20. 0.832
  21. 0.902
  22. 1.14
  23. 0.252
  24. 2.1
  25. 14.28
  26. 0.058
  27. 0.612
  28. 3.72
  29. 1.632
  30. 13.77
  31. 0.261
  32. 1.183
  33. 0.387
  34. 2.002
  35. 0.504
  36. 14.25
  37. 2.08
  38. 0.429
  39. 0.063
  40. 4.73

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