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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 552 · 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. 1.47³ =
  2. 2.17³ =
  3. 3.32³ =
  4. 4.64³ =
  5. 5.19³ =
  6. 6.87³ =
  7. 7.84³ =
  8. 8.94³ =
  9. 9.26³ =
  10. 10.99³ =
  11. 11.14³ =
  12. 12.61³ =
  13. 13.24³ =
  14. 14.32³ =
  15. 15.34³ =
  16. 16.86³ =
  17. 17.72³ =
  18. 18.53³ =
  19. 19.46³ =
  20. 20.97³ =
  21. 21.95³ =
  22. 22.55³ =
  23. 23.34³ =
  24. 24.87³ =
  25. 25.16³ =
  26. 26.35³ =
  27. 27.14³ =
  28. 28.16³ =
  29. 29.82³ =
  30. 30.45³ =
  31. 31.59³ =
  32. 32.52³ =
  33. 33.71³ =
  34. 34.23³ =
  35. 35.36³ =
  36. 36.25³ =
  37. 37.26³ =
  38. 38.55³ =
  39. 39.66³ =
  40. 40.11³ =

Answer key

  1. 103823
  2. 4913
  3. 32768
  4. 262144
  5. 6859
  6. 658503
  7. 592704
  8. 830584
  9. 17576
  10. 970299
  11. 2744
  12. 226981
  13. 13824
  14. 32768
  15. 39304
  16. 636056
  17. 373248
  18. 148877
  19. 97336
  20. 912673
  21. 857375
  22. 166375
  23. 39304
  24. 658503
  25. 4096
  26. 42875
  27. 2744
  28. 4096
  29. 551368
  30. 91125
  31. 205379
  32. 140608
  33. 357911
  34. 12167
  35. 46656
  36. 15625
  37. 17576
  38. 166375
  39. 287496
  40. 1331

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