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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 967 · 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. 1.59³ =
  2. 2.34³ =
  3. 3.37³ =
  4. 4.36³ =
  5. 5.93³ =
  6. 6.21³ =
  7. 7.42³ =
  8. 8.45³ =
  9. 9.24³ =
  10. 10.63³ =
  11. 11.63³ =
  12. 12.16³ =
  13. 13.27³ =
  14. 14.93³ =
  15. 15.36³ =
  16. 16.81³ =
  17. 17.46³ =
  18. 18.62³ =
  19. 19.69³ =
  20. 20.41³ =
  21. 21.25³ =
  22. 22.94³ =
  23. 23.87³ =
  24. 24.42³ =
  25. 25.48³ =
  26. 26.93³ =
  27. 27.21³ =
  28. 28.78³ =
  29. 29.52³ =
  30. 30.51³ =
  31. 31.39³ =
  32. 32.66³ =
  33. 33.44³ =
  34. 34.13³ =
  35. 35.91³ =
  36. 36.12³ =
  37. 37.43³ =
  38. 38.11³ =
  39. 39.26³ =
  40. 40.22³ =

Answer key

  1. 205379
  2. 39304
  3. 50653
  4. 46656
  5. 804357
  6. 9261
  7. 74088
  8. 91125
  9. 13824
  10. 250047
  11. 250047
  12. 4096
  13. 19683
  14. 804357
  15. 46656
  16. 531441
  17. 97336
  18. 238328
  19. 328509
  20. 68921
  21. 15625
  22. 830584
  23. 658503
  24. 74088
  25. 110592
  26. 804357
  27. 9261
  28. 474552
  29. 140608
  30. 132651
  31. 59319
  32. 287496
  33. 85184
  34. 2197
  35. 753571
  36. 1728
  37. 79507
  38. 1331
  39. 17576
  40. 10648

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