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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 814 · 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. 1.59³ =
  2. 2.61³ =
  3. 3.33³ =
  4. 4.55³ =
  5. 5.31³ =
  6. 6.82³ =
  7. 7.45³ =
  8. 8.68³ =
  9. 9.22³ =
  10. 10.24³ =
  11. 11.41³ =
  12. 12.33³ =
  13. 13.31³ =
  14. 14.11³ =
  15. 15.26³ =
  16. 16.34³ =
  17. 17.15³ =
  18. 18.46³ =
  19. 19.34³ =
  20. 20.11³ =
  21. 21.84³ =
  22. 22.41³ =
  23. 23.21³ =
  24. 24.21³ =
  25. 25.15³ =
  26. 26.96³ =
  27. 27.36³ =
  28. 28.81³ =
  29. 29.35³ =
  30. 30.42³ =
  31. 31.31³ =
  32. 32.92³ =
  33. 33.34³ =
  34. 34.66³ =
  35. 35.15³ =
  36. 36.65³ =
  37. 37.57³ =
  38. 38.41³ =
  39. 39.67³ =
  40. 40.97³ =

Answer key

  1. 205379
  2. 226981
  3. 35937
  4. 166375
  5. 29791
  6. 551368
  7. 91125
  8. 314432
  9. 10648
  10. 13824
  11. 68921
  12. 35937
  13. 29791
  14. 1331
  15. 17576
  16. 39304
  17. 3375
  18. 97336
  19. 39304
  20. 1331
  21. 592704
  22. 68921
  23. 9261
  24. 9261
  25. 3375
  26. 884736
  27. 46656
  28. 531441
  29. 42875
  30. 74088
  31. 29791
  32. 778688
  33. 39304
  34. 287496
  35. 3375
  36. 274625
  37. 185193
  38. 68921
  39. 300763
  40. 912673

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