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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 576 · 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. 1.97³ =
  2. 2.96³ =
  3. 3.61³ =
  4. 4.42³ =
  5. 5.89³ =
  6. 6.17³ =
  7. 7.18³ =
  8. 8.61³ =
  9. 9.74³ =
  10. 10.97³ =
  11. 11.11³ =
  12. 12.93³ =
  13. 13.15³ =
  14. 14.81³ =
  15. 15.58³ =
  16. 16.47³ =
  17. 17.57³ =
  18. 18.73³ =
  19. 19.68³ =
  20. 20.93³ =
  21. 21.88³ =
  22. 22.93³ =
  23. 23.95³ =
  24. 24.91³ =
  25. 25.34³ =
  26. 26.96³ =
  27. 27.86³ =
  28. 28.83³ =
  29. 29.65³ =
  30. 30.25³ =
  31. 31.32³ =
  32. 32.99³ =
  33. 33.21³ =
  34. 34.89³ =
  35. 35.21³ =
  36. 36.88³ =
  37. 37.34³ =
  38. 38.95³ =
  39. 39.84³ =
  40. 40.38³ =

Answer key

  1. 912673
  2. 884736
  3. 226981
  4. 74088
  5. 704969
  6. 4913
  7. 5832
  8. 226981
  9. 405224
  10. 912673
  11. 1331
  12. 804357
  13. 3375
  14. 531441
  15. 195112
  16. 103823
  17. 185193
  18. 389017
  19. 314432
  20. 804357
  21. 681472
  22. 804357
  23. 857375
  24. 753571
  25. 39304
  26. 884736
  27. 636056
  28. 571787
  29. 274625
  30. 15625
  31. 32768
  32. 970299
  33. 9261
  34. 704969
  35. 9261
  36. 681472
  37. 39304
  38. 857375
  39. 592704
  40. 54872

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