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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 543 · 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. 1.47³ =
  2. 2.44³ =
  3. 3.99³ =
  4. 4.51³ =
  5. 5.32³ =
  6. 6.49³ =
  7. 7.27³ =
  8. 8.74³ =
  9. 9.53³ =
  10. 10.31³ =
  11. 11.69³ =
  12. 12.21³ =
  13. 13.69³ =
  14. 14.71³ =
  15. 15.42³ =
  16. 16.78³ =
  17. 17.85³ =
  18. 18.22³ =
  19. 19.73³ =
  20. 20.21³ =
  21. 21.64³ =
  22. 22.17³ =
  23. 23.67³ =
  24. 24.93³ =
  25. 25.58³ =
  26. 26.26³ =
  27. 27.47³ =
  28. 28.57³ =
  29. 29.85³ =
  30. 30.89³ =
  31. 31.66³ =
  32. 32.61³ =
  33. 33.93³ =
  34. 34.28³ =
  35. 35.43³ =
  36. 36.37³ =
  37. 37.73³ =
  38. 38.28³ =
  39. 39.86³ =
  40. 40.92³ =

Answer key

  1. 103823
  2. 85184
  3. 970299
  4. 132651
  5. 32768
  6. 117649
  7. 19683
  8. 405224
  9. 148877
  10. 29791
  11. 328509
  12. 9261
  13. 328509
  14. 357911
  15. 74088
  16. 474552
  17. 614125
  18. 10648
  19. 389017
  20. 9261
  21. 262144
  22. 4913
  23. 300763
  24. 804357
  25. 195112
  26. 17576
  27. 103823
  28. 185193
  29. 614125
  30. 704969
  31. 287496
  32. 226981
  33. 804357
  34. 21952
  35. 79507
  36. 50653
  37. 389017
  38. 21952
  39. 636056
  40. 778688

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