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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 852 · 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. 1.16³ =
  2. 2.22³ =
  3. 3.66³ =
  4. 4.79³ =
  5. 5.71³ =
  6. 6.61³ =
  7. 7.49³ =
  8. 8.83³ =
  9. 9.35³ =
  10. 10.16³ =
  11. 11.48³ =
  12. 12.59³ =
  13. 13.86³ =
  14. 14.97³ =
  15. 15.84³ =
  16. 16.49³ =
  17. 17.31³ =
  18. 18.95³ =
  19. 19.17³ =
  20. 20.58³ =
  21. 21.23³ =
  22. 22.31³ =
  23. 23.97³ =
  24. 24.46³ =
  25. 25.82³ =
  26. 26.71³ =
  27. 27.17³ =
  28. 28.31³ =
  29. 29.99³ =
  30. 30.35³ =
  31. 31.94³ =
  32. 32.65³ =
  33. 33.98³ =
  34. 34.95³ =
  35. 35.27³ =
  36. 36.18³ =
  37. 37.54³ =
  38. 38.32³ =
  39. 39.49³ =
  40. 40.41³ =

Answer key

  1. 4096
  2. 10648
  3. 287496
  4. 493039
  5. 357911
  6. 226981
  7. 117649
  8. 571787
  9. 42875
  10. 4096
  11. 110592
  12. 205379
  13. 636056
  14. 912673
  15. 592704
  16. 117649
  17. 29791
  18. 857375
  19. 4913
  20. 195112
  21. 12167
  22. 29791
  23. 912673
  24. 97336
  25. 551368
  26. 357911
  27. 4913
  28. 29791
  29. 970299
  30. 42875
  31. 830584
  32. 274625
  33. 941192
  34. 857375
  35. 19683
  36. 5832
  37. 157464
  38. 32768
  39. 117649
  40. 68921

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