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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 951 · 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. 1.68³ =
  2. 2.21³ =
  3. 3.14³ =
  4. 4.77³ =
  5. 5.65³ =
  6. 6.36³ =
  7. 7.83³ =
  8. 8.71³ =
  9. 9.49³ =
  10. 10.69³ =
  11. 11.18³ =
  12. 12.21³ =
  13. 13.86³ =
  14. 14.15³ =
  15. 15.75³ =
  16. 16.78³ =
  17. 17.45³ =
  18. 18.82³ =
  19. 19.28³ =
  20. 20.51³ =
  21. 21.35³ =
  22. 22.53³ =
  23. 23.78³ =
  24. 24.31³ =
  25. 25.85³ =
  26. 26.49³ =
  27. 27.96³ =
  28. 28.81³ =
  29. 29.28³ =
  30. 30.61³ =
  31. 31.19³ =
  32. 32.34³ =
  33. 33.31³ =
  34. 34.87³ =
  35. 35.77³ =
  36. 36.18³ =
  37. 37.57³ =
  38. 38.38³ =
  39. 39.88³ =
  40. 40.61³ =

Answer key

  1. 314432
  2. 9261
  3. 2744
  4. 456533
  5. 274625
  6. 46656
  7. 571787
  8. 357911
  9. 117649
  10. 328509
  11. 5832
  12. 9261
  13. 636056
  14. 3375
  15. 421875
  16. 474552
  17. 91125
  18. 551368
  19. 21952
  20. 132651
  21. 42875
  22. 148877
  23. 474552
  24. 29791
  25. 614125
  26. 117649
  27. 884736
  28. 531441
  29. 21952
  30. 226981
  31. 6859
  32. 39304
  33. 29791
  34. 658503
  35. 456533
  36. 5832
  37. 185193
  38. 54872
  39. 681472
  40. 226981

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