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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 119 · 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. 1.33³ =
  2. 2.29³ =
  3. 3.38³ =
  4. 4.67³ =
  5. 5.61³ =
  6. 6.35³ =
  7. 7.73³ =
  8. 8.15³ =
  9. 9.19³ =
  10. 10.91³ =
  11. 11.16³ =
  12. 12.11³ =
  13. 13.21³ =
  14. 14.38³ =
  15. 15.97³ =
  16. 16.13³ =
  17. 17.47³ =
  18. 18.83³ =
  19. 19.84³ =
  20. 20.31³ =
  21. 21.85³ =
  22. 22.28³ =
  23. 23.16³ =
  24. 24.56³ =
  25. 25.51³ =
  26. 26.96³ =
  27. 27.48³ =
  28. 28.93³ =
  29. 29.93³ =
  30. 30.64³ =
  31. 31.91³ =
  32. 32.31³ =
  33. 33.48³ =
  34. 34.58³ =
  35. 35.63³ =
  36. 36.62³ =
  37. 37.57³ =
  38. 38.36³ =
  39. 39.23³ =
  40. 40.97³ =

Answer key

  1. 35937
  2. 24389
  3. 54872
  4. 300763
  5. 226981
  6. 42875
  7. 389017
  8. 3375
  9. 6859
  10. 753571
  11. 4096
  12. 1331
  13. 9261
  14. 54872
  15. 912673
  16. 2197
  17. 103823
  18. 571787
  19. 592704
  20. 29791
  21. 614125
  22. 21952
  23. 4096
  24. 175616
  25. 132651
  26. 884736
  27. 110592
  28. 804357
  29. 804357
  30. 262144
  31. 753571
  32. 29791
  33. 110592
  34. 195112
  35. 250047
  36. 238328
  37. 185193
  38. 46656
  39. 12167
  40. 912673

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