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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 775 · 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. 1.76³ =
  2. 2.47³ =
  3. 3.94³ =
  4. 4.53³ =
  5. 5.83³ =
  6. 6.84³ =
  7. 7.25³ =
  8. 8.99³ =
  9. 9.19³ =
  10. 10.61³ =
  11. 11.17³ =
  12. 12.37³ =
  13. 13.25³ =
  14. 14.52³ =
  15. 15.34³ =
  16. 16.29³ =
  17. 17.16³ =
  18. 18.37³ =
  19. 19.28³ =
  20. 20.14³ =
  21. 21.78³ =
  22. 22.38³ =
  23. 23.14³ =
  24. 24.41³ =
  25. 25.83³ =
  26. 26.76³ =
  27. 27.41³ =
  28. 28.74³ =
  29. 29.72³ =
  30. 30.31³ =
  31. 31.76³ =
  32. 32.95³ =
  33. 33.72³ =
  34. 34.13³ =
  35. 35.71³ =
  36. 36.37³ =
  37. 37.18³ =
  38. 38.23³ =
  39. 39.17³ =
  40. 40.19³ =

Answer key

  1. 438976
  2. 103823
  3. 830584
  4. 148877
  5. 571787
  6. 592704
  7. 15625
  8. 970299
  9. 6859
  10. 226981
  11. 4913
  12. 50653
  13. 15625
  14. 140608
  15. 39304
  16. 24389
  17. 4096
  18. 50653
  19. 21952
  20. 2744
  21. 474552
  22. 54872
  23. 2744
  24. 68921
  25. 571787
  26. 438976
  27. 68921
  28. 405224
  29. 373248
  30. 29791
  31. 438976
  32. 857375
  33. 373248
  34. 2197
  35. 357911
  36. 50653
  37. 5832
  38. 12167
  39. 4913
  40. 6859

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