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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 323 · 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. 1.36³ =
  2. 2.47³ =
  3. 3.61³ =
  4. 4.86³ =
  5. 5.16³ =
  6. 6.16³ =
  7. 7.57³ =
  8. 8.55³ =
  9. 9.89³ =
  10. 10.41³ =
  11. 11.85³ =
  12. 12.94³ =
  13. 13.41³ =
  14. 14.27³ =
  15. 15.41³ =
  16. 16.32³ =
  17. 17.83³ =
  18. 18.12³ =
  19. 19.24³ =
  20. 20.79³ =
  21. 21.64³ =
  22. 22.85³ =
  23. 23.85³ =
  24. 24.42³ =
  25. 25.22³ =
  26. 26.99³ =
  27. 27.87³ =
  28. 28.91³ =
  29. 29.72³ =
  30. 30.83³ =
  31. 31.65³ =
  32. 32.96³ =
  33. 33.52³ =
  34. 34.37³ =
  35. 35.28³ =
  36. 36.54³ =
  37. 37.72³ =
  38. 38.77³ =
  39. 39.14³ =
  40. 40.21³ =

Answer key

  1. 46656
  2. 103823
  3. 226981
  4. 636056
  5. 4096
  6. 4096
  7. 185193
  8. 166375
  9. 704969
  10. 68921
  11. 614125
  12. 830584
  13. 68921
  14. 19683
  15. 68921
  16. 32768
  17. 571787
  18. 1728
  19. 13824
  20. 493039
  21. 262144
  22. 614125
  23. 614125
  24. 74088
  25. 10648
  26. 970299
  27. 658503
  28. 753571
  29. 373248
  30. 571787
  31. 274625
  32. 884736
  33. 140608
  34. 50653
  35. 21952
  36. 157464
  37. 373248
  38. 456533
  39. 2744
  40. 9261

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