← Decimal × decimal lesson New set →

Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 228 · 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 × 1.8 =
  2. 2.1.2 × 0.18 =
  3. 3.1.6 × 0.35 =
  4. 4.0.03 × 2.7 =
  5. 5.5.7 × 0.16 =
  6. 6.0.69 × 2.7 =
  7. 7.0.81 × 2.6 =
  8. 8.0.65 × 1.8 =
  9. 9.0.07 × 2.1 =
  10. 10.4.1 × 0.08 =
  11. 11.0.61 × 1.5 =
  12. 12.0.78 × 0.2 =
  13. 13.0.32 × 1.4 =
  14. 14.0.4 × 0.18 =
  15. 15.2.6 × 1.1 =
  16. 16.0.94 × 2.5 =
  17. 17.9.1 × 2.2 =
  18. 18.0.36 × 0.4 =
  19. 19.0.41 × 2.1 =
  20. 20.0.23 × 2.1 =
  21. 21.0.04 × 1.1 =
  22. 22.0.8 × 0.28 =
  23. 23.0.53 × 2.3 =
  24. 24.0.58 × 3.5 =
  25. 25.0.22 × 3.3 =
  26. 26.2.1 × 0.31 =
  27. 27.6.9 × 0.26 =
  28. 28.0.56 × 1.1 =
  29. 29.8.8 × 1.9 =
  30. 30.2.4 × 3.1 =
  31. 31.0.91 × 0.3 =
  32. 32.0.99 × 3.1 =
  33. 33.2.4 × 0.02 =
  34. 34.4.6 × 0.19 =
  35. 35.4.4 × 0.5 =
  36. 36.3.4 × 3.7 =
  37. 37.4.4 × 2.5 =
  38. 38.2.1 × 0.23 =
  39. 39.0.81 × 2.8 =
  40. 40.9.2 × 1.2 =

Answer key

  1. 14.58
  2. 0.216
  3. 0.56
  4. 0.081
  5. 0.912
  6. 1.863
  7. 2.106
  8. 1.17
  9. 0.147
  10. 0.328
  11. 0.915
  12. 0.156
  13. 0.448
  14. 0.072
  15. 2.86
  16. 2.35
  17. 20.02
  18. 0.144
  19. 0.861
  20. 0.483
  21. 0.044
  22. 0.224
  23. 1.219
  24. 2.03
  25. 0.726
  26. 0.651
  27. 1.794
  28. 0.616
  29. 16.72
  30. 7.44
  31. 0.273
  32. 3.069
  33. 0.048
  34. 0.874
  35. 2.2
  36. 12.58
  37. 11
  38. 0.483
  39. 2.268
  40. 11.04

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