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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 348 · 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. 1.37³ =
  2. 2.26³ =
  3. 3.41³ =
  4. 4.12³ =
  5. 5.42³ =
  6. 6.45³ =
  7. 7.86³ =
  8. 8.56³ =
  9. 9.92³ =
  10. 10.25³ =
  11. 11.74³ =
  12. 12.21³ =
  13. 13.58³ =
  14. 14.49³ =
  15. 15.27³ =
  16. 16.78³ =
  17. 17.81³ =
  18. 18.71³ =
  19. 19.83³ =
  20. 20.78³ =
  21. 21.39³ =
  22. 22.51³ =
  23. 23.38³ =
  24. 24.31³ =
  25. 25.25³ =
  26. 26.91³ =
  27. 27.36³ =
  28. 28.83³ =
  29. 29.55³ =
  30. 30.41³ =
  31. 31.49³ =
  32. 32.51³ =
  33. 33.29³ =
  34. 34.62³ =
  35. 35.98³ =
  36. 36.21³ =
  37. 37.37³ =
  38. 38.49³ =
  39. 39.56³ =
  40. 40.81³ =

Answer key

  1. 50653
  2. 17576
  3. 68921
  4. 1728
  5. 74088
  6. 91125
  7. 636056
  8. 175616
  9. 778688
  10. 15625
  11. 405224
  12. 9261
  13. 195112
  14. 117649
  15. 19683
  16. 474552
  17. 531441
  18. 357911
  19. 571787
  20. 474552
  21. 59319
  22. 132651
  23. 54872
  24. 29791
  25. 15625
  26. 753571
  27. 46656
  28. 571787
  29. 166375
  30. 68921
  31. 117649
  32. 132651
  33. 24389
  34. 238328
  35. 941192
  36. 9261
  37. 50653
  38. 117649
  39. 175616
  40. 531441

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