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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 534 · 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. 1.17³ =
  2. 2.65³ =
  3. 3.94³ =
  4. 4.69³ =
  5. 5.24³ =
  6. 6.51³ =
  7. 7.93³ =
  8. 8.99³ =
  9. 9.18³ =
  10. 10.18³ =
  11. 11.15³ =
  12. 12.56³ =
  13. 13.41³ =
  14. 14.28³ =
  15. 15.29³ =
  16. 16.31³ =
  17. 17.97³ =
  18. 18.42³ =
  19. 19.85³ =
  20. 20.21³ =
  21. 21.15³ =
  22. 22.21³ =
  23. 23.69³ =
  24. 24.12³ =
  25. 25.31³ =
  26. 26.86³ =
  27. 27.79³ =
  28. 28.52³ =
  29. 29.41³ =
  30. 30.32³ =
  31. 31.91³ =
  32. 32.98³ =
  33. 33.51³ =
  34. 34.97³ =
  35. 35.54³ =
  36. 36.31³ =
  37. 37.83³ =
  38. 38.97³ =
  39. 39.73³ =
  40. 40.21³ =

Answer key

  1. 4913
  2. 274625
  3. 830584
  4. 328509
  5. 13824
  6. 132651
  7. 804357
  8. 970299
  9. 5832
  10. 5832
  11. 3375
  12. 175616
  13. 68921
  14. 21952
  15. 24389
  16. 29791
  17. 912673
  18. 74088
  19. 614125
  20. 9261
  21. 3375
  22. 9261
  23. 328509
  24. 1728
  25. 29791
  26. 636056
  27. 493039
  28. 140608
  29. 68921
  30. 32768
  31. 753571
  32. 941192
  33. 132651
  34. 912673
  35. 157464
  36. 29791
  37. 571787
  38. 912673
  39. 389017
  40. 9261

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