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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 954 · 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. 2.52³ =
  3. 3.29³ =
  4. 4.71³ =
  5. 5.25³ =
  6. 6.23³ =
  7. 7.98³ =
  8. 8.28³ =
  9. 9.41³ =
  10. 10.61³ =
  11. 11.23³ =
  12. 12.87³ =
  13. 13.81³ =
  14. 14.57³ =
  15. 15.96³ =
  16. 16.29³ =
  17. 17.13³ =
  18. 18.16³ =
  19. 19.97³ =
  20. 20.16³ =
  21. 21.12³ =
  22. 22.31³ =
  23. 23.15³ =
  24. 24.28³ =
  25. 25.96³ =
  26. 26.14³ =
  27. 27.38³ =
  28. 28.85³ =
  29. 29.43³ =
  30. 30.42³ =
  31. 31.58³ =
  32. 32.26³ =
  33. 33.93³ =
  34. 34.51³ =
  35. 35.16³ =
  36. 36.69³ =
  37. 37.86³ =
  38. 38.53³ =
  39. 39.21³ =
  40. 40.95³ =

Answer key

  1. 185193
  2. 140608
  3. 24389
  4. 357911
  5. 15625
  6. 12167
  7. 941192
  8. 21952
  9. 68921
  10. 226981
  11. 12167
  12. 658503
  13. 531441
  14. 185193
  15. 884736
  16. 24389
  17. 2197
  18. 4096
  19. 912673
  20. 4096
  21. 1728
  22. 29791
  23. 3375
  24. 21952
  25. 884736
  26. 2744
  27. 54872
  28. 614125
  29. 79507
  30. 74088
  31. 195112
  32. 17576
  33. 804357
  34. 132651
  35. 4096
  36. 328509
  37. 636056
  38. 148877
  39. 9261
  40. 857375

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