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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 865 · 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. 1.19³ =
  2. 2.51³ =
  3. 3.33³ =
  4. 4.28³ =
  5. 5.28³ =
  6. 6.71³ =
  7. 7.33³ =
  8. 8.14³ =
  9. 9.71³ =
  10. 10.97³ =
  11. 11.49³ =
  12. 12.83³ =
  13. 13.13³ =
  14. 14.27³ =
  15. 15.23³ =
  16. 16.92³ =
  17. 17.24³ =
  18. 18.14³ =
  19. 19.52³ =
  20. 20.91³ =
  21. 21.64³ =
  22. 22.61³ =
  23. 23.41³ =
  24. 24.88³ =
  25. 25.45³ =
  26. 26.18³ =
  27. 27.32³ =
  28. 28.88³ =
  29. 29.36³ =
  30. 30.54³ =
  31. 31.69³ =
  32. 32.78³ =
  33. 33.31³ =
  34. 34.52³ =
  35. 35.37³ =
  36. 36.79³ =
  37. 37.61³ =
  38. 38.79³ =
  39. 39.53³ =
  40. 40.63³ =

Answer key

  1. 6859
  2. 132651
  3. 35937
  4. 21952
  5. 21952
  6. 357911
  7. 35937
  8. 2744
  9. 357911
  10. 912673
  11. 117649
  12. 571787
  13. 2197
  14. 19683
  15. 12167
  16. 778688
  17. 13824
  18. 2744
  19. 140608
  20. 753571
  21. 262144
  22. 226981
  23. 68921
  24. 681472
  25. 91125
  26. 5832
  27. 32768
  28. 681472
  29. 46656
  30. 157464
  31. 328509
  32. 474552
  33. 29791
  34. 140608
  35. 50653
  36. 493039
  37. 226981
  38. 493039
  39. 148877
  40. 250047

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