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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 390 · 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. 1.69³ =
  2. 2.89³ =
  3. 3.43³ =
  4. 4.26³ =
  5. 5.87³ =
  6. 6.27³ =
  7. 7.54³ =
  8. 8.64³ =
  9. 9.89³ =
  10. 10.49³ =
  11. 11.37³ =
  12. 12.81³ =
  13. 13.24³ =
  14. 14.98³ =
  15. 15.13³ =
  16. 16.58³ =
  17. 17.31³ =
  18. 18.63³ =
  19. 19.31³ =
  20. 20.45³ =
  21. 21.16³ =
  22. 22.15³ =
  23. 23.67³ =
  24. 24.37³ =
  25. 25.98³ =
  26. 26.63³ =
  27. 27.93³ =
  28. 28.73³ =
  29. 29.63³ =
  30. 30.97³ =
  31. 31.64³ =
  32. 32.28³ =
  33. 33.41³ =
  34. 34.51³ =
  35. 35.69³ =
  36. 36.48³ =
  37. 37.64³ =
  38. 38.39³ =
  39. 39.58³ =
  40. 40.97³ =

Answer key

  1. 328509
  2. 704969
  3. 79507
  4. 17576
  5. 658503
  6. 19683
  7. 157464
  8. 262144
  9. 704969
  10. 117649
  11. 50653
  12. 531441
  13. 13824
  14. 941192
  15. 2197
  16. 195112
  17. 29791
  18. 250047
  19. 29791
  20. 91125
  21. 4096
  22. 3375
  23. 300763
  24. 50653
  25. 941192
  26. 250047
  27. 804357
  28. 389017
  29. 250047
  30. 912673
  31. 262144
  32. 21952
  33. 68921
  34. 132651
  35. 328509
  36. 110592
  37. 262144
  38. 59319
  39. 195112
  40. 912673

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