← Cubes of 2-digit numbers lesson New set →

Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 169 · 40 sums
TalentJR

The trick (Anurupyena): Top row: a³, a²b, ab², b³ (each term is the one before × b ÷ a). Under the two middle terms write double of them, and add: a³ | 3a²b | 3ab² | b³. Combine from the right with carries.

NameDateTime takenScore ___ / 40
  1. 1.63³ =
  2. 2.33³ =
  3. 3.97³ =
  4. 4.59³ =
  5. 5.13³ =
  6. 6.61³ =
  7. 7.38³ =
  8. 8.76³ =
  9. 9.41³ =
  10. 10.99³ =
  11. 11.62³ =
  12. 12.31³ =
  13. 13.13³ =
  14. 14.54³ =
  15. 15.31³ =
  16. 16.55³ =
  17. 17.56³ =
  18. 18.31³ =
  19. 19.11³ =
  20. 20.82³ =
  21. 21.82³ =
  22. 22.14³ =
  23. 23.72³ =
  24. 24.97³ =
  25. 25.87³ =
  26. 26.57³ =
  27. 27.13³ =
  28. 28.37³ =
  29. 29.29³ =
  30. 30.36³ =
  31. 31.42³ =
  32. 32.27³ =
  33. 33.21³ =
  34. 34.52³ =
  35. 35.97³ =
  36. 36.95³ =
  37. 37.75³ =
  38. 38.75³ =
  39. 39.47³ =
  40. 40.98³ =

Answer key

  1. 250047
  2. 35937
  3. 912673
  4. 205379
  5. 2197
  6. 226981
  7. 54872
  8. 438976
  9. 68921
  10. 970299
  11. 238328
  12. 29791
  13. 2197
  14. 157464
  15. 29791
  16. 166375
  17. 175616
  18. 29791
  19. 1331
  20. 551368
  21. 551368
  22. 2744
  23. 373248
  24. 912673
  25. 658503
  26. 185193
  27. 2197
  28. 50653
  29. 24389
  30. 46656
  31. 74088
  32. 19683
  33. 9261
  34. 140608
  35. 912673
  36. 857375
  37. 421875
  38. 421875
  39. 103823
  40. 941192

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