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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 966 · 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. 1.46³ =
  2. 2.71³ =
  3. 3.71³ =
  4. 4.54³ =
  5. 5.17³ =
  6. 6.59³ =
  7. 7.26³ =
  8. 8.85³ =
  9. 9.84³ =
  10. 10.63³ =
  11. 11.72³ =
  12. 12.87³ =
  13. 13.71³ =
  14. 14.11³ =
  15. 15.66³ =
  16. 16.41³ =
  17. 17.58³ =
  18. 18.89³ =
  19. 19.21³ =
  20. 20.55³ =
  21. 21.55³ =
  22. 22.44³ =
  23. 23.47³ =
  24. 24.22³ =
  25. 25.31³ =
  26. 26.33³ =
  27. 27.95³ =
  28. 28.93³ =
  29. 29.59³ =
  30. 30.25³ =
  31. 31.22³ =
  32. 32.81³ =
  33. 33.59³ =
  34. 34.93³ =
  35. 35.47³ =
  36. 36.47³ =
  37. 37.31³ =
  38. 38.46³ =
  39. 39.26³ =
  40. 40.81³ =

Answer key

  1. 97336
  2. 357911
  3. 357911
  4. 157464
  5. 4913
  6. 205379
  7. 17576
  8. 614125
  9. 592704
  10. 250047
  11. 373248
  12. 658503
  13. 357911
  14. 1331
  15. 287496
  16. 68921
  17. 195112
  18. 704969
  19. 9261
  20. 166375
  21. 166375
  22. 85184
  23. 103823
  24. 10648
  25. 29791
  26. 35937
  27. 857375
  28. 804357
  29. 205379
  30. 15625
  31. 10648
  32. 531441
  33. 205379
  34. 804357
  35. 103823
  36. 103823
  37. 29791
  38. 97336
  39. 17576
  40. 531441

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