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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 89 · 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. 1.21³ =
  2. 2.64³ =
  3. 3.91³ =
  4. 4.56³ =
  5. 5.95³ =
  6. 6.25³ =
  7. 7.99³ =
  8. 8.24³ =
  9. 9.49³ =
  10. 10.31³ =
  11. 11.15³ =
  12. 12.15³ =
  13. 13.46³ =
  14. 14.88³ =
  15. 15.77³ =
  16. 16.51³ =
  17. 17.95³ =
  18. 18.49³ =
  19. 19.91³ =
  20. 20.21³ =
  21. 21.23³ =
  22. 22.66³ =
  23. 23.55³ =
  24. 24.23³ =
  25. 25.71³ =
  26. 26.93³ =
  27. 27.42³ =
  28. 28.69³ =
  29. 29.99³ =
  30. 30.62³ =
  31. 31.21³ =
  32. 32.23³ =
  33. 33.17³ =
  34. 34.12³ =
  35. 35.19³ =
  36. 36.81³ =
  37. 37.81³ =
  38. 38.26³ =
  39. 39.38³ =
  40. 40.51³ =

Answer key

  1. 9261
  2. 262144
  3. 753571
  4. 175616
  5. 857375
  6. 15625
  7. 970299
  8. 13824
  9. 117649
  10. 29791
  11. 3375
  12. 3375
  13. 97336
  14. 681472
  15. 456533
  16. 132651
  17. 857375
  18. 117649
  19. 753571
  20. 9261
  21. 12167
  22. 287496
  23. 166375
  24. 12167
  25. 357911
  26. 804357
  27. 74088
  28. 328509
  29. 970299
  30. 238328
  31. 9261
  32. 12167
  33. 4913
  34. 1728
  35. 6859
  36. 531441
  37. 531441
  38. 17576
  39. 54872
  40. 132651

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