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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 176 · 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. 1.71³ =
  2. 2.51³ =
  3. 3.85³ =
  4. 4.12³ =
  5. 5.38³ =
  6. 6.99³ =
  7. 7.29³ =
  8. 8.33³ =
  9. 9.69³ =
  10. 10.71³ =
  11. 11.95³ =
  12. 12.64³ =
  13. 13.82³ =
  14. 14.34³ =
  15. 15.21³ =
  16. 16.16³ =
  17. 17.72³ =
  18. 18.45³ =
  19. 19.88³ =
  20. 20.83³ =
  21. 21.69³ =
  22. 22.95³ =
  23. 23.83³ =
  24. 24.47³ =
  25. 25.86³ =
  26. 26.21³ =
  27. 27.73³ =
  28. 28.27³ =
  29. 29.29³ =
  30. 30.85³ =
  31. 31.78³ =
  32. 32.21³ =
  33. 33.88³ =
  34. 34.77³ =
  35. 35.43³ =
  36. 36.83³ =
  37. 37.36³ =
  38. 38.33³ =
  39. 39.54³ =
  40. 40.82³ =

Answer key

  1. 357911
  2. 132651
  3. 614125
  4. 1728
  5. 54872
  6. 970299
  7. 24389
  8. 35937
  9. 328509
  10. 357911
  11. 857375
  12. 262144
  13. 551368
  14. 39304
  15. 9261
  16. 4096
  17. 373248
  18. 91125
  19. 681472
  20. 571787
  21. 328509
  22. 857375
  23. 571787
  24. 103823
  25. 636056
  26. 9261
  27. 389017
  28. 19683
  29. 24389
  30. 614125
  31. 474552
  32. 9261
  33. 681472
  34. 456533
  35. 79507
  36. 571787
  37. 46656
  38. 35937
  39. 157464
  40. 551368

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