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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 102 · 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. 1.29³ =
  2. 2.55³ =
  3. 3.65³ =
  4. 4.36³ =
  5. 5.82³ =
  6. 6.16³ =
  7. 7.94³ =
  8. 8.11³ =
  9. 9.32³ =
  10. 10.11³ =
  11. 11.86³ =
  12. 12.24³ =
  13. 13.54³ =
  14. 14.51³ =
  15. 15.18³ =
  16. 16.13³ =
  17. 17.68³ =
  18. 18.21³ =
  19. 19.13³ =
  20. 20.72³ =
  21. 21.39³ =
  22. 22.12³ =
  23. 23.13³ =
  24. 24.47³ =
  25. 25.96³ =
  26. 26.28³ =
  27. 27.52³ =
  28. 28.12³ =
  29. 29.23³ =
  30. 30.21³ =
  31. 31.67³ =
  32. 32.12³ =
  33. 33.31³ =
  34. 34.31³ =
  35. 35.15³ =
  36. 36.69³ =
  37. 37.22³ =
  38. 38.26³ =
  39. 39.98³ =
  40. 40.14³ =

Answer key

  1. 24389
  2. 166375
  3. 274625
  4. 46656
  5. 551368
  6. 4096
  7. 830584
  8. 1331
  9. 32768
  10. 1331
  11. 636056
  12. 13824
  13. 157464
  14. 132651
  15. 5832
  16. 2197
  17. 314432
  18. 9261
  19. 2197
  20. 373248
  21. 59319
  22. 1728
  23. 2197
  24. 103823
  25. 884736
  26. 21952
  27. 140608
  28. 1728
  29. 12167
  30. 9261
  31. 300763
  32. 1728
  33. 29791
  34. 29791
  35. 3375
  36. 328509
  37. 10648
  38. 17576
  39. 941192
  40. 2744

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