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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 160 · 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. 1.37³ =
  2. 2.61³ =
  3. 3.14³ =
  4. 4.28³ =
  5. 5.22³ =
  6. 6.26³ =
  7. 7.17³ =
  8. 8.55³ =
  9. 9.94³ =
  10. 10.65³ =
  11. 11.33³ =
  12. 12.56³ =
  13. 13.78³ =
  14. 14.56³ =
  15. 15.21³ =
  16. 16.71³ =
  17. 17.82³ =
  18. 18.85³ =
  19. 19.34³ =
  20. 20.71³ =
  21. 21.94³ =
  22. 22.32³ =
  23. 23.41³ =
  24. 24.53³ =
  25. 25.42³ =
  26. 26.21³ =
  27. 27.17³ =
  28. 28.42³ =
  29. 29.97³ =
  30. 30.91³ =
  31. 31.44³ =
  32. 32.86³ =
  33. 33.97³ =
  34. 34.78³ =
  35. 35.85³ =
  36. 36.14³ =
  37. 37.17³ =
  38. 38.87³ =
  39. 39.44³ =
  40. 40.67³ =

Answer key

  1. 50653
  2. 226981
  3. 2744
  4. 21952
  5. 10648
  6. 17576
  7. 4913
  8. 166375
  9. 830584
  10. 274625
  11. 35937
  12. 175616
  13. 474552
  14. 175616
  15. 9261
  16. 357911
  17. 551368
  18. 614125
  19. 39304
  20. 357911
  21. 830584
  22. 32768
  23. 68921
  24. 148877
  25. 74088
  26. 9261
  27. 4913
  28. 74088
  29. 912673
  30. 753571
  31. 85184
  32. 636056
  33. 912673
  34. 474552
  35. 614125
  36. 2744
  37. 4913
  38. 658503
  39. 85184
  40. 300763

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