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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 617 · 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. 1.59³ =
  2. 2.17³ =
  3. 3.95³ =
  4. 4.32³ =
  5. 5.83³ =
  6. 6.13³ =
  7. 7.62³ =
  8. 8.37³ =
  9. 9.15³ =
  10. 10.18³ =
  11. 11.31³ =
  12. 12.67³ =
  13. 13.81³ =
  14. 14.11³ =
  15. 15.81³ =
  16. 16.57³ =
  17. 17.56³ =
  18. 18.61³ =
  19. 19.72³ =
  20. 20.89³ =
  21. 21.95³ =
  22. 22.23³ =
  23. 23.67³ =
  24. 24.27³ =
  25. 25.11³ =
  26. 26.14³ =
  27. 27.22³ =
  28. 28.24³ =
  29. 29.98³ =
  30. 30.65³ =
  31. 31.57³ =
  32. 32.23³ =
  33. 33.41³ =
  34. 34.15³ =
  35. 35.12³ =
  36. 36.71³ =
  37. 37.33³ =
  38. 38.56³ =
  39. 39.24³ =
  40. 40.69³ =

Answer key

  1. 205379
  2. 4913
  3. 857375
  4. 32768
  5. 571787
  6. 2197
  7. 238328
  8. 50653
  9. 3375
  10. 5832
  11. 29791
  12. 300763
  13. 531441
  14. 1331
  15. 531441
  16. 185193
  17. 175616
  18. 226981
  19. 373248
  20. 704969
  21. 857375
  22. 12167
  23. 300763
  24. 19683
  25. 1331
  26. 2744
  27. 10648
  28. 13824
  29. 941192
  30. 274625
  31. 185193
  32. 12167
  33. 68921
  34. 3375
  35. 1728
  36. 357911
  37. 35937
  38. 175616
  39. 13824
  40. 328509

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