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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 260 · 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. 1.17³ =
  2. 2.97³ =
  3. 3.81³ =
  4. 4.76³ =
  5. 5.71³ =
  6. 6.59³ =
  7. 7.24³ =
  8. 8.67³ =
  9. 9.97³ =
  10. 10.59³ =
  11. 11.92³ =
  12. 12.37³ =
  13. 13.41³ =
  14. 14.44³ =
  15. 15.49³ =
  16. 16.29³ =
  17. 17.25³ =
  18. 18.49³ =
  19. 19.75³ =
  20. 20.23³ =
  21. 21.71³ =
  22. 22.85³ =
  23. 23.21³ =
  24. 24.71³ =
  25. 25.13³ =
  26. 26.51³ =
  27. 27.66³ =
  28. 28.97³ =
  29. 29.35³ =
  30. 30.17³ =
  31. 31.64³ =
  32. 32.81³ =
  33. 33.64³ =
  34. 34.63³ =
  35. 35.26³ =
  36. 36.22³ =
  37. 37.84³ =
  38. 38.39³ =
  39. 39.75³ =
  40. 40.41³ =

Answer key

  1. 4913
  2. 912673
  3. 531441
  4. 438976
  5. 357911
  6. 205379
  7. 13824
  8. 300763
  9. 912673
  10. 205379
  11. 778688
  12. 50653
  13. 68921
  14. 85184
  15. 117649
  16. 24389
  17. 15625
  18. 117649
  19. 421875
  20. 12167
  21. 357911
  22. 614125
  23. 9261
  24. 357911
  25. 2197
  26. 132651
  27. 287496
  28. 912673
  29. 42875
  30. 4913
  31. 262144
  32. 531441
  33. 262144
  34. 250047
  35. 17576
  36. 10648
  37. 592704
  38. 59319
  39. 421875
  40. 68921

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