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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 659 · 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. 1.57³ =
  2. 2.42³ =
  3. 3.22³ =
  4. 4.61³ =
  5. 5.81³ =
  6. 6.36³ =
  7. 7.97³ =
  8. 8.35³ =
  9. 9.55³ =
  10. 10.78³ =
  11. 11.24³ =
  12. 12.61³ =
  13. 13.14³ =
  14. 14.26³ =
  15. 15.45³ =
  16. 16.34³ =
  17. 17.15³ =
  18. 18.36³ =
  19. 19.42³ =
  20. 20.35³ =
  21. 21.47³ =
  22. 22.74³ =
  23. 23.76³ =
  24. 24.59³ =
  25. 25.34³ =
  26. 26.54³ =
  27. 27.31³ =
  28. 28.32³ =
  29. 29.94³ =
  30. 30.29³ =
  31. 31.26³ =
  32. 32.71³ =
  33. 33.78³ =
  34. 34.15³ =
  35. 35.26³ =
  36. 36.22³ =
  37. 37.93³ =
  38. 38.98³ =
  39. 39.14³ =
  40. 40.18³ =

Answer key

  1. 185193
  2. 74088
  3. 10648
  4. 226981
  5. 531441
  6. 46656
  7. 912673
  8. 42875
  9. 166375
  10. 474552
  11. 13824
  12. 226981
  13. 2744
  14. 17576
  15. 91125
  16. 39304
  17. 3375
  18. 46656
  19. 74088
  20. 42875
  21. 103823
  22. 405224
  23. 438976
  24. 205379
  25. 39304
  26. 157464
  27. 29791
  28. 32768
  29. 830584
  30. 24389
  31. 17576
  32. 357911
  33. 474552
  34. 3375
  35. 17576
  36. 10648
  37. 804357
  38. 941192
  39. 2744
  40. 5832

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