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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 401 · 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. 1.33³ =
  2. 2.23³ =
  3. 3.34³ =
  4. 4.54³ =
  5. 5.91³ =
  6. 6.19³ =
  7. 7.88³ =
  8. 8.76³ =
  9. 9.69³ =
  10. 10.36³ =
  11. 11.32³ =
  12. 12.54³ =
  13. 13.64³ =
  14. 14.86³ =
  15. 15.25³ =
  16. 16.46³ =
  17. 17.14³ =
  18. 18.19³ =
  19. 19.82³ =
  20. 20.99³ =
  21. 21.31³ =
  22. 22.54³ =
  23. 23.77³ =
  24. 24.92³ =
  25. 25.79³ =
  26. 26.18³ =
  27. 27.84³ =
  28. 28.97³ =
  29. 29.92³ =
  30. 30.91³ =
  31. 31.59³ =
  32. 32.51³ =
  33. 33.81³ =
  34. 34.47³ =
  35. 35.11³ =
  36. 36.41³ =
  37. 37.91³ =
  38. 38.27³ =
  39. 39.74³ =
  40. 40.41³ =

Answer key

  1. 35937
  2. 12167
  3. 39304
  4. 157464
  5. 753571
  6. 6859
  7. 681472
  8. 438976
  9. 328509
  10. 46656
  11. 32768
  12. 157464
  13. 262144
  14. 636056
  15. 15625
  16. 97336
  17. 2744
  18. 6859
  19. 551368
  20. 970299
  21. 29791
  22. 157464
  23. 456533
  24. 778688
  25. 493039
  26. 5832
  27. 592704
  28. 912673
  29. 778688
  30. 753571
  31. 205379
  32. 132651
  33. 531441
  34. 103823
  35. 1331
  36. 68921
  37. 753571
  38. 19683
  39. 405224
  40. 68921

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