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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 26 · 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. 1.56³ =
  2. 2.48³ =
  3. 3.17³ =
  4. 4.69³ =
  5. 5.37³ =
  6. 6.44³ =
  7. 7.93³ =
  8. 8.25³ =
  9. 9.78³ =
  10. 10.94³ =
  11. 11.57³ =
  12. 12.41³ =
  13. 13.34³ =
  14. 14.67³ =
  15. 15.91³ =
  16. 16.59³ =
  17. 17.29³ =
  18. 18.85³ =
  19. 19.27³ =
  20. 20.66³ =
  21. 21.43³ =
  22. 22.93³ =
  23. 23.96³ =
  24. 24.18³ =
  25. 25.21³ =
  26. 26.37³ =
  27. 27.25³ =
  28. 28.46³ =
  29. 29.11³ =
  30. 30.43³ =
  31. 31.13³ =
  32. 32.27³ =
  33. 33.87³ =
  34. 34.54³ =
  35. 35.89³ =
  36. 36.65³ =
  37. 37.54³ =
  38. 38.97³ =
  39. 39.24³ =
  40. 40.27³ =

Answer key

  1. 175616
  2. 110592
  3. 4913
  4. 328509
  5. 50653
  6. 85184
  7. 804357
  8. 15625
  9. 474552
  10. 830584
  11. 185193
  12. 68921
  13. 39304
  14. 300763
  15. 753571
  16. 205379
  17. 24389
  18. 614125
  19. 19683
  20. 287496
  21. 79507
  22. 804357
  23. 884736
  24. 5832
  25. 9261
  26. 50653
  27. 15625
  28. 97336
  29. 1331
  30. 79507
  31. 2197
  32. 19683
  33. 658503
  34. 157464
  35. 704969
  36. 274625
  37. 157464
  38. 912673
  39. 13824
  40. 19683

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