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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 317 · 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. 1.56³ =
  2. 2.18³ =
  3. 3.61³ =
  4. 4.46³ =
  5. 5.34³ =
  6. 6.23³ =
  7. 7.88³ =
  8. 8.36³ =
  9. 9.33³ =
  10. 10.31³ =
  11. 11.84³ =
  12. 12.46³ =
  13. 13.93³ =
  14. 14.17³ =
  15. 15.45³ =
  16. 16.27³ =
  17. 17.12³ =
  18. 18.97³ =
  19. 19.49³ =
  20. 20.38³ =
  21. 21.78³ =
  22. 22.93³ =
  23. 23.94³ =
  24. 24.75³ =
  25. 25.97³ =
  26. 26.17³ =
  27. 27.77³ =
  28. 28.18³ =
  29. 29.96³ =
  30. 30.91³ =
  31. 31.11³ =
  32. 32.53³ =
  33. 33.34³ =
  34. 34.22³ =
  35. 35.68³ =
  36. 36.28³ =
  37. 37.46³ =
  38. 38.21³ =
  39. 39.36³ =
  40. 40.61³ =

Answer key

  1. 175616
  2. 5832
  3. 226981
  4. 97336
  5. 39304
  6. 12167
  7. 681472
  8. 46656
  9. 35937
  10. 29791
  11. 592704
  12. 97336
  13. 804357
  14. 4913
  15. 91125
  16. 19683
  17. 1728
  18. 912673
  19. 117649
  20. 54872
  21. 474552
  22. 804357
  23. 830584
  24. 421875
  25. 912673
  26. 4913
  27. 456533
  28. 5832
  29. 884736
  30. 753571
  31. 1331
  32. 148877
  33. 39304
  34. 10648
  35. 314432
  36. 21952
  37. 97336
  38. 9261
  39. 46656
  40. 226981

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