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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 177 · 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. 1.58³ =
  2. 2.64³ =
  3. 3.74³ =
  4. 4.47³ =
  5. 5.52³ =
  6. 6.13³ =
  7. 7.88³ =
  8. 8.71³ =
  9. 9.77³ =
  10. 10.39³ =
  11. 11.69³ =
  12. 12.81³ =
  13. 13.79³ =
  14. 14.21³ =
  15. 15.95³ =
  16. 16.79³ =
  17. 17.86³ =
  18. 18.28³ =
  19. 19.35³ =
  20. 20.27³ =
  21. 21.53³ =
  22. 22.93³ =
  23. 23.66³ =
  24. 24.35³ =
  25. 25.19³ =
  26. 26.56³ =
  27. 27.32³ =
  28. 28.67³ =
  29. 29.22³ =
  30. 30.32³ =
  31. 31.21³ =
  32. 32.72³ =
  33. 33.46³ =
  34. 34.78³ =
  35. 35.82³ =
  36. 36.81³ =
  37. 37.59³ =
  38. 38.46³ =
  39. 39.74³ =
  40. 40.61³ =

Answer key

  1. 195112
  2. 262144
  3. 405224
  4. 103823
  5. 140608
  6. 2197
  7. 681472
  8. 357911
  9. 456533
  10. 59319
  11. 328509
  12. 531441
  13. 493039
  14. 9261
  15. 857375
  16. 493039
  17. 636056
  18. 21952
  19. 42875
  20. 19683
  21. 148877
  22. 804357
  23. 287496
  24. 42875
  25. 6859
  26. 175616
  27. 32768
  28. 300763
  29. 10648
  30. 32768
  31. 9261
  32. 373248
  33. 97336
  34. 474552
  35. 551368
  36. 531441
  37. 205379
  38. 97336
  39. 405224
  40. 226981

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