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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 153 · 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. 1.72³ =
  2. 2.77³ =
  3. 3.33³ =
  4. 4.12³ =
  5. 5.89³ =
  6. 6.75³ =
  7. 7.45³ =
  8. 8.43³ =
  9. 9.23³ =
  10. 10.91³ =
  11. 11.87³ =
  12. 12.23³ =
  13. 13.79³ =
  14. 14.51³ =
  15. 15.38³ =
  16. 16.51³ =
  17. 17.38³ =
  18. 18.48³ =
  19. 19.17³ =
  20. 20.46³ =
  21. 21.92³ =
  22. 22.17³ =
  23. 23.68³ =
  24. 24.36³ =
  25. 25.96³ =
  26. 26.53³ =
  27. 27.82³ =
  28. 28.82³ =
  29. 29.99³ =
  30. 30.68³ =
  31. 31.66³ =
  32. 32.17³ =
  33. 33.87³ =
  34. 34.63³ =
  35. 35.31³ =
  36. 36.76³ =
  37. 37.99³ =
  38. 38.17³ =
  39. 39.31³ =
  40. 40.84³ =

Answer key

  1. 373248
  2. 456533
  3. 35937
  4. 1728
  5. 704969
  6. 421875
  7. 91125
  8. 79507
  9. 12167
  10. 753571
  11. 658503
  12. 12167
  13. 493039
  14. 132651
  15. 54872
  16. 132651
  17. 54872
  18. 110592
  19. 4913
  20. 97336
  21. 778688
  22. 4913
  23. 314432
  24. 46656
  25. 884736
  26. 148877
  27. 551368
  28. 551368
  29. 970299
  30. 314432
  31. 287496
  32. 4913
  33. 658503
  34. 250047
  35. 29791
  36. 438976
  37. 970299
  38. 4913
  39. 29791
  40. 592704

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