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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 857 · 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. 1.24³ =
  2. 2.97³ =
  3. 3.61³ =
  4. 4.83³ =
  5. 5.51³ =
  6. 6.44³ =
  7. 7.38³ =
  8. 8.83³ =
  9. 9.51³ =
  10. 10.67³ =
  11. 11.57³ =
  12. 12.25³ =
  13. 13.37³ =
  14. 14.37³ =
  15. 15.99³ =
  16. 16.49³ =
  17. 17.48³ =
  18. 18.41³ =
  19. 19.97³ =
  20. 20.22³ =
  21. 21.38³ =
  22. 22.54³ =
  23. 23.84³ =
  24. 24.99³ =
  25. 25.31³ =
  26. 26.95³ =
  27. 27.54³ =
  28. 28.47³ =
  29. 29.86³ =
  30. 30.39³ =
  31. 31.82³ =
  32. 32.61³ =
  33. 33.12³ =
  34. 34.17³ =
  35. 35.41³ =
  36. 36.53³ =
  37. 37.17³ =
  38. 38.41³ =
  39. 39.51³ =
  40. 40.72³ =

Answer key

  1. 13824
  2. 912673
  3. 226981
  4. 571787
  5. 132651
  6. 85184
  7. 54872
  8. 571787
  9. 132651
  10. 300763
  11. 185193
  12. 15625
  13. 50653
  14. 50653
  15. 970299
  16. 117649
  17. 110592
  18. 68921
  19. 912673
  20. 10648
  21. 54872
  22. 157464
  23. 592704
  24. 970299
  25. 29791
  26. 857375
  27. 157464
  28. 103823
  29. 636056
  30. 59319
  31. 551368
  32. 226981
  33. 1728
  34. 4913
  35. 68921
  36. 148877
  37. 4913
  38. 68921
  39. 132651
  40. 373248

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