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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 427 · 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. 1.14³ =
  2. 2.96³ =
  3. 3.84³ =
  4. 4.22³ =
  5. 5.43³ =
  6. 6.98³ =
  7. 7.59³ =
  8. 8.48³ =
  9. 9.88³ =
  10. 10.52³ =
  11. 11.73³ =
  12. 12.61³ =
  13. 13.22³ =
  14. 14.63³ =
  15. 15.34³ =
  16. 16.61³ =
  17. 17.67³ =
  18. 18.77³ =
  19. 19.68³ =
  20. 20.72³ =
  21. 21.94³ =
  22. 22.28³ =
  23. 23.73³ =
  24. 24.54³ =
  25. 25.84³ =
  26. 26.35³ =
  27. 27.96³ =
  28. 28.13³ =
  29. 29.12³ =
  30. 30.36³ =
  31. 31.35³ =
  32. 32.31³ =
  33. 33.54³ =
  34. 34.89³ =
  35. 35.36³ =
  36. 36.63³ =
  37. 37.41³ =
  38. 38.53³ =
  39. 39.56³ =
  40. 40.71³ =

Answer key

  1. 2744
  2. 884736
  3. 592704
  4. 10648
  5. 79507
  6. 941192
  7. 205379
  8. 110592
  9. 681472
  10. 140608
  11. 389017
  12. 226981
  13. 10648
  14. 250047
  15. 39304
  16. 226981
  17. 300763
  18. 456533
  19. 314432
  20. 373248
  21. 830584
  22. 21952
  23. 389017
  24. 157464
  25. 592704
  26. 42875
  27. 884736
  28. 2197
  29. 1728
  30. 46656
  31. 42875
  32. 29791
  33. 157464
  34. 704969
  35. 46656
  36. 250047
  37. 68921
  38. 148877
  39. 175616
  40. 357911

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