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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 666 · 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. 1.13³ =
  2. 2.29³ =
  3. 3.24³ =
  4. 4.73³ =
  5. 5.13³ =
  6. 6.36³ =
  7. 7.24³ =
  8. 8.81³ =
  9. 9.87³ =
  10. 10.25³ =
  11. 11.43³ =
  12. 12.36³ =
  13. 13.44³ =
  14. 14.83³ =
  15. 15.39³ =
  16. 16.63³ =
  17. 17.99³ =
  18. 18.26³ =
  19. 19.33³ =
  20. 20.51³ =
  21. 21.92³ =
  22. 22.16³ =
  23. 23.77³ =
  24. 24.15³ =
  25. 25.41³ =
  26. 26.98³ =
  27. 27.93³ =
  28. 28.89³ =
  29. 29.53³ =
  30. 30.36³ =
  31. 31.19³ =
  32. 32.15³ =
  33. 33.38³ =
  34. 34.56³ =
  35. 35.83³ =
  36. 36.39³ =
  37. 37.24³ =
  38. 38.22³ =
  39. 39.63³ =
  40. 40.78³ =

Answer key

  1. 2197
  2. 24389
  3. 13824
  4. 389017
  5. 2197
  6. 46656
  7. 13824
  8. 531441
  9. 658503
  10. 15625
  11. 79507
  12. 46656
  13. 85184
  14. 571787
  15. 59319
  16. 250047
  17. 970299
  18. 17576
  19. 35937
  20. 132651
  21. 778688
  22. 4096
  23. 456533
  24. 3375
  25. 68921
  26. 941192
  27. 804357
  28. 704969
  29. 148877
  30. 46656
  31. 6859
  32. 3375
  33. 54872
  34. 175616
  35. 571787
  36. 59319
  37. 13824
  38. 10648
  39. 250047
  40. 474552

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