← Decimal × decimal lesson New set →

Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 365 · 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. 1.1.4 × 1.7 =
  2. 2.0.91 × 3.9 =
  3. 3.5.9 × 0.11 =
  4. 4.7.8 × 2.1 =
  5. 5.0.25 × 0.2 =
  6. 6.3.4 × 1.1 =
  7. 7.2.5 × 3.1 =
  8. 8.0.72 × 3.5 =
  9. 9.1.9 × 0.27 =
  10. 10.0.33 × 1.6 =
  11. 11.0.21 × 3.8 =
  12. 12.9.1 × 2.4 =
  13. 13.0.48 × 2.6 =
  14. 14.1.5 × 0.4 =
  15. 15.0.34 × 2.6 =
  16. 16.0.4 × 0.37 =
  17. 17.8.1 × 3.5 =
  18. 18.0.63 × 0.5 =
  19. 19.2.3 × 0.07 =
  20. 20.4.1 × 0.05 =
  21. 21.1.1 × 3.7 =
  22. 22.0.6 × 0.7 =
  23. 23.6.1 × 0.2 =
  24. 24.0.82 × 2.1 =
  25. 25.4.1 × 2.3 =
  26. 26.0.58 × 0.5 =
  27. 27.7.5 × 0.6 =
  28. 28.3.6 × 0.4 =
  29. 29.2.1 × 1.1 =
  30. 30.0.67 × 0.7 =
  31. 31.0.51 × 3.7 =
  32. 32.1.8 × 0.05 =
  33. 33.0.26 × 0.7 =
  34. 34.6.6 × 0.28 =
  35. 35.0.72 × 1.2 =
  36. 36.3.3 × 0.02 =
  37. 37.0.34 × 3.2 =
  38. 38.0.98 × 1.1 =
  39. 39.5.5 × 0.5 =
  40. 40.0.4 × 3.4 =

Answer key

  1. 2.38
  2. 3.549
  3. 0.649
  4. 16.38
  5. 0.05
  6. 3.74
  7. 7.75
  8. 2.52
  9. 0.513
  10. 0.528
  11. 0.798
  12. 21.84
  13. 1.248
  14. 0.6
  15. 0.884
  16. 0.148
  17. 28.35
  18. 0.315
  19. 0.161
  20. 0.205
  21. 4.07
  22. 0.42
  23. 1.22
  24. 1.722
  25. 9.43
  26. 0.29
  27. 4.5
  28. 1.44
  29. 2.31
  30. 0.469
  31. 1.887
  32. 0.09
  33. 0.182
  34. 1.848
  35. 0.864
  36. 0.066
  37. 1.088
  38. 1.078
  39. 2.75
  40. 1.36

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