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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 132 · 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. 1.98³ =
  2. 2.14³ =
  3. 3.95³ =
  4. 4.61³ =
  5. 5.13³ =
  6. 6.41³ =
  7. 7.73³ =
  8. 8.46³ =
  9. 9.22³ =
  10. 10.42³ =
  11. 11.31³ =
  12. 12.23³ =
  13. 13.68³ =
  14. 14.49³ =
  15. 15.39³ =
  16. 16.78³ =
  17. 17.61³ =
  18. 18.96³ =
  19. 19.45³ =
  20. 20.31³ =
  21. 21.68³ =
  22. 22.35³ =
  23. 23.32³ =
  24. 24.94³ =
  25. 25.95³ =
  26. 26.71³ =
  27. 27.65³ =
  28. 28.64³ =
  29. 29.54³ =
  30. 30.94³ =
  31. 31.21³ =
  32. 32.81³ =
  33. 33.15³ =
  34. 34.11³ =
  35. 35.28³ =
  36. 36.62³ =
  37. 37.26³ =
  38. 38.75³ =
  39. 39.86³ =
  40. 40.31³ =

Answer key

  1. 941192
  2. 2744
  3. 857375
  4. 226981
  5. 2197
  6. 68921
  7. 389017
  8. 97336
  9. 10648
  10. 74088
  11. 29791
  12. 12167
  13. 314432
  14. 117649
  15. 59319
  16. 474552
  17. 226981
  18. 884736
  19. 91125
  20. 29791
  21. 314432
  22. 42875
  23. 32768
  24. 830584
  25. 857375
  26. 357911
  27. 274625
  28. 262144
  29. 157464
  30. 830584
  31. 9261
  32. 531441
  33. 3375
  34. 1331
  35. 21952
  36. 238328
  37. 17576
  38. 421875
  39. 636056
  40. 29791

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