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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 501 · 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. 1.66³ =
  2. 2.84³ =
  3. 3.72³ =
  4. 4.31³ =
  5. 5.37³ =
  6. 6.71³ =
  7. 7.49³ =
  8. 8.73³ =
  9. 9.41³ =
  10. 10.91³ =
  11. 11.91³ =
  12. 12.13³ =
  13. 13.15³ =
  14. 14.91³ =
  15. 15.89³ =
  16. 16.33³ =
  17. 17.19³ =
  18. 18.32³ =
  19. 19.72³ =
  20. 20.86³ =
  21. 21.16³ =
  22. 22.19³ =
  23. 23.91³ =
  24. 24.23³ =
  25. 25.88³ =
  26. 26.82³ =
  27. 27.23³ =
  28. 28.83³ =
  29. 29.26³ =
  30. 30.61³ =
  31. 31.71³ =
  32. 32.75³ =
  33. 33.29³ =
  34. 34.11³ =
  35. 35.42³ =
  36. 36.74³ =
  37. 37.84³ =
  38. 38.31³ =
  39. 39.16³ =
  40. 40.39³ =

Answer key

  1. 287496
  2. 592704
  3. 373248
  4. 29791
  5. 50653
  6. 357911
  7. 117649
  8. 389017
  9. 68921
  10. 753571
  11. 753571
  12. 2197
  13. 3375
  14. 753571
  15. 704969
  16. 35937
  17. 6859
  18. 32768
  19. 373248
  20. 636056
  21. 4096
  22. 6859
  23. 753571
  24. 12167
  25. 681472
  26. 551368
  27. 12167
  28. 571787
  29. 17576
  30. 226981
  31. 357911
  32. 421875
  33. 24389
  34. 1331
  35. 74088
  36. 405224
  37. 592704
  38. 29791
  39. 4096
  40. 59319

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