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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 904 · 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. 2.25³ =
  3. 3.34³ =
  4. 4.71³ =
  5. 5.13³ =
  6. 6.28³ =
  7. 7.29³ =
  8. 8.49³ =
  9. 9.91³ =
  10. 10.56³ =
  11. 11.11³ =
  12. 12.43³ =
  13. 13.59³ =
  14. 14.86³ =
  15. 15.17³ =
  16. 16.81³ =
  17. 17.41³ =
  18. 18.88³ =
  19. 19.91³ =
  20. 20.79³ =
  21. 21.61³ =
  22. 22.14³ =
  23. 23.89³ =
  24. 24.68³ =
  25. 25.36³ =
  26. 26.67³ =
  27. 27.45³ =
  28. 28.31³ =
  29. 29.71³ =
  30. 30.26³ =
  31. 31.35³ =
  32. 32.78³ =
  33. 33.28³ =
  34. 34.34³ =
  35. 35.32³ =
  36. 36.95³ =
  37. 37.71³ =
  38. 38.73³ =
  39. 39.25³ =
  40. 40.73³ =

Answer key

  1. 4913
  2. 15625
  3. 39304
  4. 357911
  5. 2197
  6. 21952
  7. 24389
  8. 117649
  9. 753571
  10. 175616
  11. 1331
  12. 79507
  13. 205379
  14. 636056
  15. 4913
  16. 531441
  17. 68921
  18. 681472
  19. 753571
  20. 493039
  21. 226981
  22. 2744
  23. 704969
  24. 314432
  25. 46656
  26. 300763
  27. 91125
  28. 29791
  29. 357911
  30. 17576
  31. 42875
  32. 474552
  33. 21952
  34. 39304
  35. 32768
  36. 857375
  37. 357911
  38. 389017
  39. 15625
  40. 389017

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