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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 818 · 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. 1.44³ =
  2. 2.36³ =
  3. 3.36³ =
  4. 4.88³ =
  5. 5.81³ =
  6. 6.86³ =
  7. 7.95³ =
  8. 8.65³ =
  9. 9.68³ =
  10. 10.15³ =
  11. 11.81³ =
  12. 12.38³ =
  13. 13.73³ =
  14. 14.16³ =
  15. 15.99³ =
  16. 16.62³ =
  17. 17.16³ =
  18. 18.63³ =
  19. 19.19³ =
  20. 20.31³ =
  21. 21.38³ =
  22. 22.58³ =
  23. 23.59³ =
  24. 24.98³ =
  25. 25.81³ =
  26. 26.41³ =
  27. 27.79³ =
  28. 28.12³ =
  29. 29.81³ =
  30. 30.58³ =
  31. 31.97³ =
  32. 32.28³ =
  33. 33.15³ =
  34. 34.37³ =
  35. 35.73³ =
  36. 36.85³ =
  37. 37.14³ =
  38. 38.12³ =
  39. 39.68³ =
  40. 40.32³ =

Answer key

  1. 85184
  2. 46656
  3. 46656
  4. 681472
  5. 531441
  6. 636056
  7. 857375
  8. 274625
  9. 314432
  10. 3375
  11. 531441
  12. 54872
  13. 389017
  14. 4096
  15. 970299
  16. 238328
  17. 4096
  18. 250047
  19. 6859
  20. 29791
  21. 54872
  22. 195112
  23. 205379
  24. 941192
  25. 531441
  26. 68921
  27. 493039
  28. 1728
  29. 531441
  30. 195112
  31. 912673
  32. 21952
  33. 3375
  34. 50653
  35. 389017
  36. 614125
  37. 2744
  38. 1728
  39. 314432
  40. 32768

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