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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 476 · 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. 1.69³ =
  2. 2.17³ =
  3. 3.32³ =
  4. 4.62³ =
  5. 5.74³ =
  6. 6.21³ =
  7. 7.45³ =
  8. 8.92³ =
  9. 9.37³ =
  10. 10.15³ =
  11. 11.95³ =
  12. 12.92³ =
  13. 13.75³ =
  14. 14.75³ =
  15. 15.24³ =
  16. 16.81³ =
  17. 17.52³ =
  18. 18.81³ =
  19. 19.88³ =
  20. 20.14³ =
  21. 21.76³ =
  22. 22.95³ =
  23. 23.76³ =
  24. 24.61³ =
  25. 25.36³ =
  26. 26.27³ =
  27. 27.86³ =
  28. 28.21³ =
  29. 29.61³ =
  30. 30.44³ =
  31. 31.44³ =
  32. 32.92³ =
  33. 33.48³ =
  34. 34.64³ =
  35. 35.42³ =
  36. 36.68³ =
  37. 37.34³ =
  38. 38.23³ =
  39. 39.21³ =
  40. 40.12³ =

Answer key

  1. 328509
  2. 4913
  3. 32768
  4. 238328
  5. 405224
  6. 9261
  7. 91125
  8. 778688
  9. 50653
  10. 3375
  11. 857375
  12. 778688
  13. 421875
  14. 421875
  15. 13824
  16. 531441
  17. 140608
  18. 531441
  19. 681472
  20. 2744
  21. 438976
  22. 857375
  23. 438976
  24. 226981
  25. 46656
  26. 19683
  27. 636056
  28. 9261
  29. 226981
  30. 85184
  31. 85184
  32. 778688
  33. 110592
  34. 262144
  35. 74088
  36. 314432
  37. 39304
  38. 12167
  39. 9261
  40. 1728

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