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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 432 · 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. 1.91³ =
  2. 2.57³ =
  3. 3.39³ =
  4. 4.68³ =
  5. 5.37³ =
  6. 6.19³ =
  7. 7.67³ =
  8. 8.69³ =
  9. 9.81³ =
  10. 10.61³ =
  11. 11.31³ =
  12. 12.17³ =
  13. 13.84³ =
  14. 14.17³ =
  15. 15.51³ =
  16. 16.99³ =
  17. 17.61³ =
  18. 18.61³ =
  19. 19.36³ =
  20. 20.55³ =
  21. 21.65³ =
  22. 22.71³ =
  23. 23.88³ =
  24. 24.62³ =
  25. 25.49³ =
  26. 26.51³ =
  27. 27.54³ =
  28. 28.99³ =
  29. 29.91³ =
  30. 30.36³ =
  31. 31.19³ =
  32. 32.47³ =
  33. 33.61³ =
  34. 34.79³ =
  35. 35.32³ =
  36. 36.23³ =
  37. 37.25³ =
  38. 38.15³ =
  39. 39.65³ =
  40. 40.25³ =

Answer key

  1. 753571
  2. 185193
  3. 59319
  4. 314432
  5. 50653
  6. 6859
  7. 300763
  8. 328509
  9. 531441
  10. 226981
  11. 29791
  12. 4913
  13. 592704
  14. 4913
  15. 132651
  16. 970299
  17. 226981
  18. 226981
  19. 46656
  20. 166375
  21. 274625
  22. 357911
  23. 681472
  24. 238328
  25. 117649
  26. 132651
  27. 157464
  28. 970299
  29. 753571
  30. 46656
  31. 6859
  32. 103823
  33. 226981
  34. 493039
  35. 32768
  36. 12167
  37. 15625
  38. 3375
  39. 274625
  40. 15625

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