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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 394 · 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. 1.25³ =
  2. 2.44³ =
  3. 3.91³ =
  4. 4.41³ =
  5. 5.31³ =
  6. 6.33³ =
  7. 7.86³ =
  8. 8.93³ =
  9. 9.79³ =
  10. 10.52³ =
  11. 11.84³ =
  12. 12.56³ =
  13. 13.19³ =
  14. 14.41³ =
  15. 15.68³ =
  16. 16.27³ =
  17. 17.77³ =
  18. 18.67³ =
  19. 19.36³ =
  20. 20.83³ =
  21. 21.49³ =
  22. 22.41³ =
  23. 23.54³ =
  24. 24.18³ =
  25. 25.28³ =
  26. 26.31³ =
  27. 27.25³ =
  28. 28.14³ =
  29. 29.54³ =
  30. 30.31³ =
  31. 31.21³ =
  32. 32.51³ =
  33. 33.21³ =
  34. 34.45³ =
  35. 35.62³ =
  36. 36.57³ =
  37. 37.31³ =
  38. 38.71³ =
  39. 39.89³ =
  40. 40.37³ =

Answer key

  1. 15625
  2. 85184
  3. 753571
  4. 68921
  5. 29791
  6. 35937
  7. 636056
  8. 804357
  9. 493039
  10. 140608
  11. 592704
  12. 175616
  13. 6859
  14. 68921
  15. 314432
  16. 19683
  17. 456533
  18. 300763
  19. 46656
  20. 571787
  21. 117649
  22. 68921
  23. 157464
  24. 5832
  25. 21952
  26. 29791
  27. 15625
  28. 2744
  29. 157464
  30. 29791
  31. 9261
  32. 132651
  33. 9261
  34. 91125
  35. 238328
  36. 185193
  37. 29791
  38. 357911
  39. 704969
  40. 50653

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