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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 197 · 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. 1.23³ =
  2. 2.56³ =
  3. 3.55³ =
  4. 4.27³ =
  5. 5.61³ =
  6. 6.29³ =
  7. 7.23³ =
  8. 8.43³ =
  9. 9.31³ =
  10. 10.61³ =
  11. 11.64³ =
  12. 12.33³ =
  13. 13.69³ =
  14. 14.36³ =
  15. 15.17³ =
  16. 16.17³ =
  17. 17.71³ =
  18. 18.13³ =
  19. 19.85³ =
  20. 20.99³ =
  21. 21.43³ =
  22. 22.88³ =
  23. 23.14³ =
  24. 24.68³ =
  25. 25.39³ =
  26. 26.96³ =
  27. 27.24³ =
  28. 28.64³ =
  29. 29.11³ =
  30. 30.68³ =
  31. 31.85³ =
  32. 32.11³ =
  33. 33.98³ =
  34. 34.72³ =
  35. 35.46³ =
  36. 36.63³ =
  37. 37.79³ =
  38. 38.44³ =
  39. 39.22³ =
  40. 40.56³ =

Answer key

  1. 12167
  2. 175616
  3. 166375
  4. 19683
  5. 226981
  6. 24389
  7. 12167
  8. 79507
  9. 29791
  10. 226981
  11. 262144
  12. 35937
  13. 328509
  14. 46656
  15. 4913
  16. 4913
  17. 357911
  18. 2197
  19. 614125
  20. 970299
  21. 79507
  22. 681472
  23. 2744
  24. 314432
  25. 59319
  26. 884736
  27. 13824
  28. 262144
  29. 1331
  30. 314432
  31. 614125
  32. 1331
  33. 941192
  34. 373248
  35. 97336
  36. 250047
  37. 493039
  38. 85184
  39. 10648
  40. 175616

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