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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 653 · 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. 1.51³ =
  2. 2.46³ =
  3. 3.42³ =
  4. 4.67³ =
  5. 5.71³ =
  6. 6.31³ =
  7. 7.37³ =
  8. 8.38³ =
  9. 9.45³ =
  10. 10.63³ =
  11. 11.38³ =
  12. 12.53³ =
  13. 13.83³ =
  14. 14.31³ =
  15. 15.47³ =
  16. 16.38³ =
  17. 17.82³ =
  18. 18.24³ =
  19. 19.71³ =
  20. 20.56³ =
  21. 21.54³ =
  22. 22.38³ =
  23. 23.98³ =
  24. 24.61³ =
  25. 25.54³ =
  26. 26.27³ =
  27. 27.37³ =
  28. 28.74³ =
  29. 29.51³ =
  30. 30.41³ =
  31. 31.94³ =
  32. 32.28³ =
  33. 33.97³ =
  34. 34.73³ =
  35. 35.78³ =
  36. 36.14³ =
  37. 37.25³ =
  38. 38.91³ =
  39. 39.53³ =
  40. 40.31³ =

Answer key

  1. 132651
  2. 97336
  3. 74088
  4. 300763
  5. 357911
  6. 29791
  7. 50653
  8. 54872
  9. 91125
  10. 250047
  11. 54872
  12. 148877
  13. 571787
  14. 29791
  15. 103823
  16. 54872
  17. 551368
  18. 13824
  19. 357911
  20. 175616
  21. 157464
  22. 54872
  23. 941192
  24. 226981
  25. 157464
  26. 19683
  27. 50653
  28. 405224
  29. 132651
  30. 68921
  31. 830584
  32. 21952
  33. 912673
  34. 389017
  35. 474552
  36. 2744
  37. 15625
  38. 753571
  39. 148877
  40. 29791

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