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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 663 · 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. 1.61³ =
  2. 2.21³ =
  3. 3.94³ =
  4. 4.27³ =
  5. 5.62³ =
  6. 6.38³ =
  7. 7.22³ =
  8. 8.17³ =
  9. 9.41³ =
  10. 10.14³ =
  11. 11.59³ =
  12. 12.13³ =
  13. 13.36³ =
  14. 14.32³ =
  15. 15.82³ =
  16. 16.58³ =
  17. 17.52³ =
  18. 18.51³ =
  19. 19.42³ =
  20. 20.46³ =
  21. 21.41³ =
  22. 22.71³ =
  23. 23.53³ =
  24. 24.21³ =
  25. 25.79³ =
  26. 26.11³ =
  27. 27.57³ =
  28. 28.25³ =
  29. 29.43³ =
  30. 30.94³ =
  31. 31.46³ =
  32. 32.23³ =
  33. 33.25³ =
  34. 34.22³ =
  35. 35.13³ =
  36. 36.89³ =
  37. 37.31³ =
  38. 38.44³ =
  39. 39.32³ =
  40. 40.61³ =

Answer key

  1. 226981
  2. 9261
  3. 830584
  4. 19683
  5. 238328
  6. 54872
  7. 10648
  8. 4913
  9. 68921
  10. 2744
  11. 205379
  12. 2197
  13. 46656
  14. 32768
  15. 551368
  16. 195112
  17. 140608
  18. 132651
  19. 74088
  20. 97336
  21. 68921
  22. 357911
  23. 148877
  24. 9261
  25. 493039
  26. 1331
  27. 185193
  28. 15625
  29. 79507
  30. 830584
  31. 97336
  32. 12167
  33. 15625
  34. 10648
  35. 2197
  36. 704969
  37. 29791
  38. 85184
  39. 32768
  40. 226981

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