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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 243 · 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. 1.96³ =
  2. 2.35³ =
  3. 3.25³ =
  4. 4.76³ =
  5. 5.96³ =
  6. 6.24³ =
  7. 7.48³ =
  8. 8.74³ =
  9. 9.97³ =
  10. 10.44³ =
  11. 11.21³ =
  12. 12.83³ =
  13. 13.38³ =
  14. 14.25³ =
  15. 15.42³ =
  16. 16.41³ =
  17. 17.96³ =
  18. 18.58³ =
  19. 19.67³ =
  20. 20.47³ =
  21. 21.62³ =
  22. 22.48³ =
  23. 23.87³ =
  24. 24.74³ =
  25. 25.21³ =
  26. 26.71³ =
  27. 27.58³ =
  28. 28.21³ =
  29. 29.49³ =
  30. 30.53³ =
  31. 31.93³ =
  32. 32.33³ =
  33. 33.71³ =
  34. 34.23³ =
  35. 35.69³ =
  36. 36.92³ =
  37. 37.63³ =
  38. 38.39³ =
  39. 39.23³ =
  40. 40.36³ =

Answer key

  1. 884736
  2. 42875
  3. 15625
  4. 438976
  5. 884736
  6. 13824
  7. 110592
  8. 405224
  9. 912673
  10. 85184
  11. 9261
  12. 571787
  13. 54872
  14. 15625
  15. 74088
  16. 68921
  17. 884736
  18. 195112
  19. 300763
  20. 103823
  21. 238328
  22. 110592
  23. 658503
  24. 405224
  25. 9261
  26. 357911
  27. 195112
  28. 9261
  29. 117649
  30. 148877
  31. 804357
  32. 35937
  33. 357911
  34. 12167
  35. 328509
  36. 778688
  37. 250047
  38. 59319
  39. 12167
  40. 46656

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