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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 373 · 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. 1.95³ =
  2. 2.63³ =
  3. 3.22³ =
  4. 4.67³ =
  5. 5.24³ =
  6. 6.62³ =
  7. 7.23³ =
  8. 8.53³ =
  9. 9.33³ =
  10. 10.14³ =
  11. 11.37³ =
  12. 12.83³ =
  13. 13.75³ =
  14. 14.57³ =
  15. 15.77³ =
  16. 16.27³ =
  17. 17.81³ =
  18. 18.19³ =
  19. 19.51³ =
  20. 20.65³ =
  21. 21.35³ =
  22. 22.63³ =
  23. 23.52³ =
  24. 24.47³ =
  25. 25.61³ =
  26. 26.76³ =
  27. 27.37³ =
  28. 28.78³ =
  29. 29.74³ =
  30. 30.31³ =
  31. 31.47³ =
  32. 32.38³ =
  33. 33.37³ =
  34. 34.47³ =
  35. 35.48³ =
  36. 36.65³ =
  37. 37.41³ =
  38. 38.73³ =
  39. 39.95³ =
  40. 40.36³ =

Answer key

  1. 857375
  2. 250047
  3. 10648
  4. 300763
  5. 13824
  6. 238328
  7. 12167
  8. 148877
  9. 35937
  10. 2744
  11. 50653
  12. 571787
  13. 421875
  14. 185193
  15. 456533
  16. 19683
  17. 531441
  18. 6859
  19. 132651
  20. 274625
  21. 42875
  22. 250047
  23. 140608
  24. 103823
  25. 226981
  26. 438976
  27. 50653
  28. 474552
  29. 405224
  30. 29791
  31. 103823
  32. 54872
  33. 50653
  34. 103823
  35. 110592
  36. 274625
  37. 68921
  38. 389017
  39. 857375
  40. 46656

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