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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 355 · 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. 1.32³ =
  2. 2.17³ =
  3. 3.27³ =
  4. 4.66³ =
  5. 5.53³ =
  6. 6.81³ =
  7. 7.12³ =
  8. 8.49³ =
  9. 9.68³ =
  10. 10.44³ =
  11. 11.82³ =
  12. 12.22³ =
  13. 13.21³ =
  14. 14.23³ =
  15. 15.21³ =
  16. 16.25³ =
  17. 17.28³ =
  18. 18.75³ =
  19. 19.57³ =
  20. 20.75³ =
  21. 21.18³ =
  22. 22.28³ =
  23. 23.84³ =
  24. 24.66³ =
  25. 25.56³ =
  26. 26.67³ =
  27. 27.74³ =
  28. 28.78³ =
  29. 29.69³ =
  30. 30.41³ =
  31. 31.85³ =
  32. 32.71³ =
  33. 33.64³ =
  34. 34.17³ =
  35. 35.93³ =
  36. 36.95³ =
  37. 37.82³ =
  38. 38.62³ =
  39. 39.79³ =
  40. 40.61³ =

Answer key

  1. 32768
  2. 4913
  3. 19683
  4. 287496
  5. 148877
  6. 531441
  7. 1728
  8. 117649
  9. 314432
  10. 85184
  11. 551368
  12. 10648
  13. 9261
  14. 12167
  15. 9261
  16. 15625
  17. 21952
  18. 421875
  19. 185193
  20. 421875
  21. 5832
  22. 21952
  23. 592704
  24. 287496
  25. 175616
  26. 300763
  27. 405224
  28. 474552
  29. 328509
  30. 68921
  31. 614125
  32. 357911
  33. 262144
  34. 4913
  35. 804357
  36. 857375
  37. 551368
  38. 238328
  39. 493039
  40. 226981

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