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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 66 · 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. 2.77³ =
  3. 3.64³ =
  4. 4.96³ =
  5. 5.52³ =
  6. 6.96³ =
  7. 7.81³ =
  8. 8.34³ =
  9. 9.27³ =
  10. 10.71³ =
  11. 11.41³ =
  12. 12.96³ =
  13. 13.42³ =
  14. 14.18³ =
  15. 15.35³ =
  16. 16.39³ =
  17. 17.31³ =
  18. 18.29³ =
  19. 19.11³ =
  20. 20.54³ =
  21. 21.91³ =
  22. 22.24³ =
  23. 23.58³ =
  24. 24.83³ =
  25. 25.36³ =
  26. 26.64³ =
  27. 27.15³ =
  28. 28.58³ =
  29. 29.79³ =
  30. 30.31³ =
  31. 31.14³ =
  32. 32.71³ =
  33. 33.25³ =
  34. 34.43³ =
  35. 35.24³ =
  36. 36.39³ =
  37. 37.51³ =
  38. 38.16³ =
  39. 39.14³ =
  40. 40.32³ =

Answer key

  1. 13824
  2. 456533
  3. 262144
  4. 884736
  5. 140608
  6. 884736
  7. 531441
  8. 39304
  9. 19683
  10. 357911
  11. 68921
  12. 884736
  13. 74088
  14. 5832
  15. 42875
  16. 59319
  17. 29791
  18. 24389
  19. 1331
  20. 157464
  21. 753571
  22. 13824
  23. 195112
  24. 571787
  25. 46656
  26. 262144
  27. 3375
  28. 195112
  29. 493039
  30. 29791
  31. 2744
  32. 357911
  33. 15625
  34. 79507
  35. 13824
  36. 59319
  37. 132651
  38. 4096
  39. 2744
  40. 32768

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