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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 148 · 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. 1.62³ =
  2. 2.46³ =
  3. 3.95³ =
  4. 4.63³ =
  5. 5.61³ =
  6. 6.84³ =
  7. 7.14³ =
  8. 8.12³ =
  9. 9.18³ =
  10. 10.59³ =
  11. 11.22³ =
  12. 12.32³ =
  13. 13.56³ =
  14. 14.49³ =
  15. 15.63³ =
  16. 16.26³ =
  17. 17.63³ =
  18. 18.69³ =
  19. 19.75³ =
  20. 20.23³ =
  21. 21.73³ =
  22. 22.13³ =
  23. 23.23³ =
  24. 24.52³ =
  25. 25.19³ =
  26. 26.53³ =
  27. 27.24³ =
  28. 28.61³ =
  29. 29.31³ =
  30. 30.35³ =
  31. 31.35³ =
  32. 32.48³ =
  33. 33.13³ =
  34. 34.74³ =
  35. 35.61³ =
  36. 36.81³ =
  37. 37.64³ =
  38. 38.93³ =
  39. 39.77³ =
  40. 40.32³ =

Answer key

  1. 238328
  2. 97336
  3. 857375
  4. 250047
  5. 226981
  6. 592704
  7. 2744
  8. 1728
  9. 5832
  10. 205379
  11. 10648
  12. 32768
  13. 175616
  14. 117649
  15. 250047
  16. 17576
  17. 250047
  18. 328509
  19. 421875
  20. 12167
  21. 389017
  22. 2197
  23. 12167
  24. 140608
  25. 6859
  26. 148877
  27. 13824
  28. 226981
  29. 29791
  30. 42875
  31. 42875
  32. 110592
  33. 2197
  34. 405224
  35. 226981
  36. 531441
  37. 262144
  38. 804357
  39. 456533
  40. 32768

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