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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 833 · 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. 2.48³ =
  3. 3.34³ =
  4. 4.17³ =
  5. 5.77³ =
  6. 6.31³ =
  7. 7.57³ =
  8. 8.44³ =
  9. 9.81³ =
  10. 10.96³ =
  11. 11.32³ =
  12. 12.42³ =
  13. 13.79³ =
  14. 14.19³ =
  15. 15.95³ =
  16. 16.41³ =
  17. 17.48³ =
  18. 18.51³ =
  19. 19.43³ =
  20. 20.71³ =
  21. 21.34³ =
  22. 22.64³ =
  23. 23.98³ =
  24. 24.71³ =
  25. 25.93³ =
  26. 26.28³ =
  27. 27.12³ =
  28. 28.68³ =
  29. 29.47³ =
  30. 30.82³ =
  31. 31.26³ =
  32. 32.76³ =
  33. 33.52³ =
  34. 34.23³ =
  35. 35.64³ =
  36. 36.54³ =
  37. 37.77³ =
  38. 38.25³ =
  39. 39.36³ =
  40. 40.61³ =

Answer key

  1. 103823
  2. 110592
  3. 39304
  4. 4913
  5. 456533
  6. 29791
  7. 185193
  8. 85184
  9. 531441
  10. 884736
  11. 32768
  12. 74088
  13. 493039
  14. 6859
  15. 857375
  16. 68921
  17. 110592
  18. 132651
  19. 79507
  20. 357911
  21. 39304
  22. 262144
  23. 941192
  24. 357911
  25. 804357
  26. 21952
  27. 1728
  28. 314432
  29. 103823
  30. 551368
  31. 17576
  32. 438976
  33. 140608
  34. 12167
  35. 262144
  36. 157464
  37. 456533
  38. 15625
  39. 46656
  40. 226981

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