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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 505 · 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. 2.26³ =
  3. 3.92³ =
  4. 4.71³ =
  5. 5.28³ =
  6. 6.22³ =
  7. 7.18³ =
  8. 8.16³ =
  9. 9.93³ =
  10. 10.82³ =
  11. 11.98³ =
  12. 12.96³ =
  13. 13.21³ =
  14. 14.65³ =
  15. 15.31³ =
  16. 16.31³ =
  17. 17.51³ =
  18. 18.63³ =
  19. 19.73³ =
  20. 20.99³ =
  21. 21.38³ =
  22. 22.32³ =
  23. 23.43³ =
  24. 24.62³ =
  25. 25.48³ =
  26. 26.11³ =
  27. 27.74³ =
  28. 28.14³ =
  29. 29.82³ =
  30. 30.44³ =
  31. 31.99³ =
  32. 32.31³ =
  33. 33.51³ =
  34. 34.73³ =
  35. 35.28³ =
  36. 36.43³ =
  37. 37.13³ =
  38. 38.21³ =
  39. 39.33³ =
  40. 40.16³ =

Answer key

  1. 357911
  2. 17576
  3. 778688
  4. 357911
  5. 21952
  6. 10648
  7. 5832
  8. 4096
  9. 804357
  10. 551368
  11. 941192
  12. 884736
  13. 9261
  14. 274625
  15. 29791
  16. 29791
  17. 132651
  18. 250047
  19. 389017
  20. 970299
  21. 54872
  22. 32768
  23. 79507
  24. 238328
  25. 110592
  26. 1331
  27. 405224
  28. 2744
  29. 551368
  30. 85184
  31. 970299
  32. 29791
  33. 132651
  34. 389017
  35. 21952
  36. 79507
  37. 2197
  38. 9261
  39. 35937
  40. 4096

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