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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 638 · 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. 1.48³ =
  2. 2.18³ =
  3. 3.53³ =
  4. 4.28³ =
  5. 5.66³ =
  6. 6.53³ =
  7. 7.73³ =
  8. 8.81³ =
  9. 9.55³ =
  10. 10.65³ =
  11. 11.23³ =
  12. 12.24³ =
  13. 13.25³ =
  14. 14.51³ =
  15. 15.51³ =
  16. 16.81³ =
  17. 17.82³ =
  18. 18.68³ =
  19. 19.72³ =
  20. 20.61³ =
  21. 21.89³ =
  22. 22.34³ =
  23. 23.55³ =
  24. 24.21³ =
  25. 25.29³ =
  26. 26.67³ =
  27. 27.72³ =
  28. 28.33³ =
  29. 29.22³ =
  30. 30.84³ =
  31. 31.87³ =
  32. 32.48³ =
  33. 33.74³ =
  34. 34.63³ =
  35. 35.63³ =
  36. 36.74³ =
  37. 37.43³ =
  38. 38.98³ =
  39. 39.94³ =
  40. 40.11³ =

Answer key

  1. 110592
  2. 5832
  3. 148877
  4. 21952
  5. 287496
  6. 148877
  7. 389017
  8. 531441
  9. 166375
  10. 274625
  11. 12167
  12. 13824
  13. 15625
  14. 132651
  15. 132651
  16. 531441
  17. 551368
  18. 314432
  19. 373248
  20. 226981
  21. 704969
  22. 39304
  23. 166375
  24. 9261
  25. 24389
  26. 300763
  27. 373248
  28. 35937
  29. 10648
  30. 592704
  31. 658503
  32. 110592
  33. 405224
  34. 250047
  35. 250047
  36. 405224
  37. 79507
  38. 941192
  39. 830584
  40. 1331

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