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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 962 · 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. 1.67³ =
  2. 2.79³ =
  3. 3.11³ =
  4. 4.54³ =
  5. 5.87³ =
  6. 6.41³ =
  7. 7.91³ =
  8. 8.12³ =
  9. 9.13³ =
  10. 10.91³ =
  11. 11.71³ =
  12. 12.61³ =
  13. 13.91³ =
  14. 14.59³ =
  15. 15.97³ =
  16. 16.34³ =
  17. 17.76³ =
  18. 18.13³ =
  19. 19.18³ =
  20. 20.61³ =
  21. 21.78³ =
  22. 22.31³ =
  23. 23.23³ =
  24. 24.29³ =
  25. 25.45³ =
  26. 26.95³ =
  27. 27.19³ =
  28. 28.41³ =
  29. 29.57³ =
  30. 30.52³ =
  31. 31.48³ =
  32. 32.21³ =
  33. 33.89³ =
  34. 34.17³ =
  35. 35.45³ =
  36. 36.33³ =
  37. 37.46³ =
  38. 38.18³ =
  39. 39.27³ =
  40. 40.42³ =

Answer key

  1. 300763
  2. 493039
  3. 1331
  4. 157464
  5. 658503
  6. 68921
  7. 753571
  8. 1728
  9. 2197
  10. 753571
  11. 357911
  12. 226981
  13. 753571
  14. 205379
  15. 912673
  16. 39304
  17. 438976
  18. 2197
  19. 5832
  20. 226981
  21. 474552
  22. 29791
  23. 12167
  24. 24389
  25. 91125
  26. 857375
  27. 6859
  28. 68921
  29. 185193
  30. 140608
  31. 110592
  32. 9261
  33. 704969
  34. 4913
  35. 91125
  36. 35937
  37. 97336
  38. 5832
  39. 19683
  40. 74088

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