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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 969 · 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. 1.55³ =
  2. 2.41³ =
  3. 3.88³ =
  4. 4.96³ =
  5. 5.21³ =
  6. 6.89³ =
  7. 7.36³ =
  8. 8.19³ =
  9. 9.99³ =
  10. 10.22³ =
  11. 11.63³ =
  12. 12.52³ =
  13. 13.16³ =
  14. 14.82³ =
  15. 15.56³ =
  16. 16.98³ =
  17. 17.22³ =
  18. 18.66³ =
  19. 19.51³ =
  20. 20.37³ =
  21. 21.48³ =
  22. 22.14³ =
  23. 23.38³ =
  24. 24.87³ =
  25. 25.26³ =
  26. 26.76³ =
  27. 27.32³ =
  28. 28.35³ =
  29. 29.11³ =
  30. 30.77³ =
  31. 31.32³ =
  32. 32.27³ =
  33. 33.34³ =
  34. 34.45³ =
  35. 35.73³ =
  36. 36.76³ =
  37. 37.17³ =
  38. 38.37³ =
  39. 39.47³ =
  40. 40.93³ =

Answer key

  1. 166375
  2. 68921
  3. 681472
  4. 884736
  5. 9261
  6. 704969
  7. 46656
  8. 6859
  9. 970299
  10. 10648
  11. 250047
  12. 140608
  13. 4096
  14. 551368
  15. 175616
  16. 941192
  17. 10648
  18. 287496
  19. 132651
  20. 50653
  21. 110592
  22. 2744
  23. 54872
  24. 658503
  25. 17576
  26. 438976
  27. 32768
  28. 42875
  29. 1331
  30. 456533
  31. 32768
  32. 19683
  33. 39304
  34. 91125
  35. 389017
  36. 438976
  37. 4913
  38. 50653
  39. 103823
  40. 804357

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