← Cubes of 2-digit numbers lesson New set →

Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 38 · 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. 1.57³ =
  2. 2.61³ =
  3. 3.97³ =
  4. 4.92³ =
  5. 5.67³ =
  6. 6.42³ =
  7. 7.31³ =
  8. 8.58³ =
  9. 9.73³ =
  10. 10.25³ =
  11. 11.63³ =
  12. 12.12³ =
  13. 13.85³ =
  14. 14.42³ =
  15. 15.97³ =
  16. 16.61³ =
  17. 17.29³ =
  18. 18.71³ =
  19. 19.71³ =
  20. 20.99³ =
  21. 21.91³ =
  22. 22.17³ =
  23. 23.73³ =
  24. 24.12³ =
  25. 25.33³ =
  26. 26.77³ =
  27. 27.65³ =
  28. 28.35³ =
  29. 29.17³ =
  30. 30.55³ =
  31. 31.78³ =
  32. 32.87³ =
  33. 33.72³ =
  34. 34.61³ =
  35. 35.14³ =
  36. 36.52³ =
  37. 37.56³ =
  38. 38.53³ =
  39. 39.11³ =
  40. 40.41³ =

Answer key

  1. 185193
  2. 226981
  3. 912673
  4. 778688
  5. 300763
  6. 74088
  7. 29791
  8. 195112
  9. 389017
  10. 15625
  11. 250047
  12. 1728
  13. 614125
  14. 74088
  15. 912673
  16. 226981
  17. 24389
  18. 357911
  19. 357911
  20. 970299
  21. 753571
  22. 4913
  23. 389017
  24. 1728
  25. 35937
  26. 456533
  27. 274625
  28. 42875
  29. 4913
  30. 166375
  31. 474552
  32. 658503
  33. 373248
  34. 226981
  35. 2744
  36. 140608
  37. 175616
  38. 148877
  39. 1331
  40. 68921

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