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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 627 · 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. 2.76³ =
  3. 3.18³ =
  4. 4.19³ =
  5. 5.73³ =
  6. 6.91³ =
  7. 7.62³ =
  8. 8.51³ =
  9. 9.61³ =
  10. 10.31³ =
  11. 11.18³ =
  12. 12.98³ =
  13. 13.61³ =
  14. 14.94³ =
  15. 15.29³ =
  16. 16.38³ =
  17. 17.79³ =
  18. 18.36³ =
  19. 19.14³ =
  20. 20.28³ =
  21. 21.51³ =
  22. 22.62³ =
  23. 23.51³ =
  24. 24.43³ =
  25. 25.56³ =
  26. 26.92³ =
  27. 27.64³ =
  28. 28.17³ =
  29. 29.63³ =
  30. 30.87³ =
  31. 31.31³ =
  32. 32.26³ =
  33. 33.25³ =
  34. 34.84³ =
  35. 35.23³ =
  36. 36.39³ =
  37. 37.16³ =
  38. 38.19³ =
  39. 39.49³ =
  40. 40.94³ =

Answer key

  1. 373248
  2. 438976
  3. 5832
  4. 6859
  5. 389017
  6. 753571
  7. 238328
  8. 132651
  9. 226981
  10. 29791
  11. 5832
  12. 941192
  13. 226981
  14. 830584
  15. 24389
  16. 54872
  17. 493039
  18. 46656
  19. 2744
  20. 21952
  21. 132651
  22. 238328
  23. 132651
  24. 79507
  25. 175616
  26. 778688
  27. 262144
  28. 4913
  29. 250047
  30. 658503
  31. 29791
  32. 17576
  33. 15625
  34. 592704
  35. 12167
  36. 59319
  37. 4096
  38. 6859
  39. 117649
  40. 830584

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