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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 517 · 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. 1.79³ =
  2. 2.36³ =
  3. 3.69³ =
  4. 4.26³ =
  5. 5.16³ =
  6. 6.33³ =
  7. 7.25³ =
  8. 8.54³ =
  9. 9.87³ =
  10. 10.34³ =
  11. 11.51³ =
  12. 12.79³ =
  13. 13.32³ =
  14. 14.91³ =
  15. 15.87³ =
  16. 16.76³ =
  17. 17.46³ =
  18. 18.37³ =
  19. 19.66³ =
  20. 20.19³ =
  21. 21.76³ =
  22. 22.15³ =
  23. 23.96³ =
  24. 24.11³ =
  25. 25.24³ =
  26. 26.31³ =
  27. 27.46³ =
  28. 28.18³ =
  29. 29.46³ =
  30. 30.14³ =
  31. 31.56³ =
  32. 32.24³ =
  33. 33.81³ =
  34. 34.68³ =
  35. 35.66³ =
  36. 36.24³ =
  37. 37.43³ =
  38. 38.29³ =
  39. 39.81³ =
  40. 40.16³ =

Answer key

  1. 493039
  2. 46656
  3. 328509
  4. 17576
  5. 4096
  6. 35937
  7. 15625
  8. 157464
  9. 658503
  10. 39304
  11. 132651
  12. 493039
  13. 32768
  14. 753571
  15. 658503
  16. 438976
  17. 97336
  18. 50653
  19. 287496
  20. 6859
  21. 438976
  22. 3375
  23. 884736
  24. 1331
  25. 13824
  26. 29791
  27. 97336
  28. 5832
  29. 97336
  30. 2744
  31. 175616
  32. 13824
  33. 531441
  34. 314432
  35. 287496
  36. 13824
  37. 79507
  38. 24389
  39. 531441
  40. 4096

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