← Decimal × decimal lesson New set →

Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 115 · 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. 1.0.91 × 0.9 =
  2. 2.0.65 × 3.5 =
  3. 3.7.9 × 0.28 =
  4. 4.0.45 × 2.1 =
  5. 5.4.8 × 0.17 =
  6. 6.0.07 × 0.7 =
  7. 7.0.96 × 3.3 =
  8. 8.0.71 × 2.5 =
  9. 9.0.13 × 1.1 =
  10. 10.5.6 × 0.22 =
  11. 11.0.31 × 2.5 =
  12. 12.0.72 × 1.6 =
  13. 13.0.07 × 3.1 =
  14. 14.4.8 × 0.31 =
  15. 15.6.5 × 0.31 =
  16. 16.0.7 × 1.3 =
  17. 17.7.5 × 3.3 =
  18. 18.2.9 × 2.7 =
  19. 19.0.59 × 2.1 =
  20. 20.0.91 × 1.5 =
  21. 21.0.2 × 3.9 =
  22. 22.8.1 × 1.8 =
  23. 23.7.1 × 0.26 =
  24. 24.5.1 × 0.7 =
  25. 25.0.91 × 2.1 =
  26. 26.0.12 × 2.2 =
  27. 27.0.14 × 2.8 =
  28. 28.9.1 × 0.16 =
  29. 29.0.41 × 1.7 =
  30. 30.1.3 × 1.2 =
  31. 31.7.5 × 0.03 =
  32. 32.0.15 × 0.3 =
  33. 33.0.46 × 1.1 =
  34. 34.3.1 × 0.04 =
  35. 35.1.8 × 1.8 =
  36. 36.3.3 × 0.02 =
  37. 37.4.4 × 0.8 =
  38. 38.0.88 × 3.2 =
  39. 39.0.21 × 1.1 =
  40. 40.0.73 × 3.7 =

Answer key

  1. 0.819
  2. 2.275
  3. 2.212
  4. 0.945
  5. 0.816
  6. 0.049
  7. 3.168
  8. 1.775
  9. 0.143
  10. 1.232
  11. 0.775
  12. 1.152
  13. 0.217
  14. 1.488
  15. 2.015
  16. 0.91
  17. 24.75
  18. 7.83
  19. 1.239
  20. 1.365
  21. 0.78
  22. 14.58
  23. 1.846
  24. 3.57
  25. 1.911
  26. 0.264
  27. 0.392
  28. 1.456
  29. 0.697
  30. 1.56
  31. 0.225
  32. 0.045
  33. 0.506
  34. 0.124
  35. 3.24
  36. 0.066
  37. 3.52
  38. 2.816
  39. 0.231
  40. 2.701

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