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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 567 · 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. 1.38³ =
  2. 2.95³ =
  3. 3.24³ =
  4. 4.11³ =
  5. 5.16³ =
  6. 6.15³ =
  7. 7.71³ =
  8. 8.69³ =
  9. 9.67³ =
  10. 10.53³ =
  11. 11.14³ =
  12. 12.88³ =
  13. 13.69³ =
  14. 14.75³ =
  15. 15.32³ =
  16. 16.53³ =
  17. 17.28³ =
  18. 18.23³ =
  19. 19.58³ =
  20. 20.42³ =
  21. 21.36³ =
  22. 22.31³ =
  23. 23.82³ =
  24. 24.18³ =
  25. 25.47³ =
  26. 26.31³ =
  27. 27.13³ =
  28. 28.63³ =
  29. 29.93³ =
  30. 30.39³ =
  31. 31.65³ =
  32. 32.31³ =
  33. 33.64³ =
  34. 34.31³ =
  35. 35.29³ =
  36. 36.54³ =
  37. 37.19³ =
  38. 38.15³ =
  39. 39.84³ =
  40. 40.69³ =

Answer key

  1. 54872
  2. 857375
  3. 13824
  4. 1331
  5. 4096
  6. 3375
  7. 357911
  8. 328509
  9. 300763
  10. 148877
  11. 2744
  12. 681472
  13. 328509
  14. 421875
  15. 32768
  16. 148877
  17. 21952
  18. 12167
  19. 195112
  20. 74088
  21. 46656
  22. 29791
  23. 551368
  24. 5832
  25. 103823
  26. 29791
  27. 2197
  28. 250047
  29. 804357
  30. 59319
  31. 274625
  32. 29791
  33. 262144
  34. 29791
  35. 24389
  36. 157464
  37. 6859
  38. 3375
  39. 592704
  40. 328509

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