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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 573 · 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. 1.18³ =
  2. 2.32³ =
  3. 3.68³ =
  4. 4.74³ =
  5. 5.59³ =
  6. 6.51³ =
  7. 7.18³ =
  8. 8.17³ =
  9. 9.15³ =
  10. 10.66³ =
  11. 11.14³ =
  12. 12.53³ =
  13. 13.22³ =
  14. 14.98³ =
  15. 15.42³ =
  16. 16.71³ =
  17. 17.24³ =
  18. 18.51³ =
  19. 19.91³ =
  20. 20.16³ =
  21. 21.93³ =
  22. 22.61³ =
  23. 23.51³ =
  24. 24.18³ =
  25. 25.26³ =
  26. 26.71³ =
  27. 27.38³ =
  28. 28.32³ =
  29. 29.79³ =
  30. 30.53³ =
  31. 31.39³ =
  32. 32.26³ =
  33. 33.61³ =
  34. 34.46³ =
  35. 35.21³ =
  36. 36.64³ =
  37. 37.89³ =
  38. 38.81³ =
  39. 39.62³ =
  40. 40.36³ =

Answer key

  1. 5832
  2. 32768
  3. 314432
  4. 405224
  5. 205379
  6. 132651
  7. 5832
  8. 4913
  9. 3375
  10. 287496
  11. 2744
  12. 148877
  13. 10648
  14. 941192
  15. 74088
  16. 357911
  17. 13824
  18. 132651
  19. 753571
  20. 4096
  21. 804357
  22. 226981
  23. 132651
  24. 5832
  25. 17576
  26. 357911
  27. 54872
  28. 32768
  29. 493039
  30. 148877
  31. 59319
  32. 17576
  33. 226981
  34. 97336
  35. 9261
  36. 262144
  37. 704969
  38. 531441
  39. 238328
  40. 46656

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