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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 325 · 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. 1.62³ =
  2. 2.66³ =
  3. 3.26³ =
  4. 4.36³ =
  5. 5.15³ =
  6. 6.11³ =
  7. 7.43³ =
  8. 8.85³ =
  9. 9.21³ =
  10. 10.35³ =
  11. 11.43³ =
  12. 12.64³ =
  13. 13.84³ =
  14. 14.67³ =
  15. 15.56³ =
  16. 16.52³ =
  17. 17.41³ =
  18. 18.56³ =
  19. 19.84³ =
  20. 20.96³ =
  21. 21.46³ =
  22. 22.87³ =
  23. 23.53³ =
  24. 24.42³ =
  25. 25.62³ =
  26. 26.26³ =
  27. 27.12³ =
  28. 28.82³ =
  29. 29.59³ =
  30. 30.79³ =
  31. 31.18³ =
  32. 32.29³ =
  33. 33.31³ =
  34. 34.98³ =
  35. 35.91³ =
  36. 36.14³ =
  37. 37.51³ =
  38. 38.21³ =
  39. 39.19³ =
  40. 40.19³ =

Answer key

  1. 238328
  2. 287496
  3. 17576
  4. 46656
  5. 3375
  6. 1331
  7. 79507
  8. 614125
  9. 9261
  10. 42875
  11. 79507
  12. 262144
  13. 592704
  14. 300763
  15. 175616
  16. 140608
  17. 68921
  18. 175616
  19. 592704
  20. 884736
  21. 97336
  22. 658503
  23. 148877
  24. 74088
  25. 238328
  26. 17576
  27. 1728
  28. 551368
  29. 205379
  30. 493039
  31. 5832
  32. 24389
  33. 29791
  34. 941192
  35. 753571
  36. 2744
  37. 132651
  38. 9261
  39. 6859
  40. 6859

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