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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 740 · 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. 1.36³ =
  2. 2.29³ =
  3. 3.55³ =
  4. 4.63³ =
  5. 5.65³ =
  6. 6.63³ =
  7. 7.29³ =
  8. 8.57³ =
  9. 9.24³ =
  10. 10.77³ =
  11. 11.44³ =
  12. 12.61³ =
  13. 13.11³ =
  14. 14.23³ =
  15. 15.44³ =
  16. 16.18³ =
  17. 17.41³ =
  18. 18.62³ =
  19. 19.44³ =
  20. 20.99³ =
  21. 21.75³ =
  22. 22.64³ =
  23. 23.85³ =
  24. 24.64³ =
  25. 25.36³ =
  26. 26.16³ =
  27. 27.21³ =
  28. 28.67³ =
  29. 29.87³ =
  30. 30.67³ =
  31. 31.16³ =
  32. 32.86³ =
  33. 33.48³ =
  34. 34.26³ =
  35. 35.71³ =
  36. 36.32³ =
  37. 37.27³ =
  38. 38.65³ =
  39. 39.39³ =
  40. 40.21³ =

Answer key

  1. 46656
  2. 24389
  3. 166375
  4. 250047
  5. 274625
  6. 250047
  7. 24389
  8. 185193
  9. 13824
  10. 456533
  11. 85184
  12. 226981
  13. 1331
  14. 12167
  15. 85184
  16. 5832
  17. 68921
  18. 238328
  19. 85184
  20. 970299
  21. 421875
  22. 262144
  23. 614125
  24. 262144
  25. 46656
  26. 4096
  27. 9261
  28. 300763
  29. 658503
  30. 300763
  31. 4096
  32. 636056
  33. 110592
  34. 17576
  35. 357911
  36. 32768
  37. 19683
  38. 274625
  39. 59319
  40. 9261

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