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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 530 · 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. 1.71³ =
  2. 2.46³ =
  3. 3.58³ =
  4. 4.88³ =
  5. 5.76³ =
  6. 6.65³ =
  7. 7.88³ =
  8. 8.87³ =
  9. 9.65³ =
  10. 10.16³ =
  11. 11.11³ =
  12. 12.61³ =
  13. 13.76³ =
  14. 14.93³ =
  15. 15.31³ =
  16. 16.22³ =
  17. 17.21³ =
  18. 18.26³ =
  19. 19.88³ =
  20. 20.11³ =
  21. 21.13³ =
  22. 22.44³ =
  23. 23.21³ =
  24. 24.33³ =
  25. 25.42³ =
  26. 26.11³ =
  27. 27.17³ =
  28. 28.28³ =
  29. 29.53³ =
  30. 30.23³ =
  31. 31.21³ =
  32. 32.27³ =
  33. 33.66³ =
  34. 34.44³ =
  35. 35.76³ =
  36. 36.23³ =
  37. 37.21³ =
  38. 38.16³ =
  39. 39.37³ =
  40. 40.21³ =

Answer key

  1. 357911
  2. 97336
  3. 195112
  4. 681472
  5. 438976
  6. 274625
  7. 681472
  8. 658503
  9. 274625
  10. 4096
  11. 1331
  12. 226981
  13. 438976
  14. 804357
  15. 29791
  16. 10648
  17. 9261
  18. 17576
  19. 681472
  20. 1331
  21. 2197
  22. 85184
  23. 9261
  24. 35937
  25. 74088
  26. 1331
  27. 4913
  28. 21952
  29. 148877
  30. 12167
  31. 9261
  32. 19683
  33. 287496
  34. 85184
  35. 438976
  36. 12167
  37. 9261
  38. 4096
  39. 50653
  40. 9261

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