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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 395 · 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. 1.36³ =
  2. 2.71³ =
  3. 3.41³ =
  4. 4.48³ =
  5. 5.36³ =
  6. 6.74³ =
  7. 7.95³ =
  8. 8.61³ =
  9. 9.52³ =
  10. 10.46³ =
  11. 11.57³ =
  12. 12.23³ =
  13. 13.42³ =
  14. 14.81³ =
  15. 15.21³ =
  16. 16.98³ =
  17. 17.63³ =
  18. 18.24³ =
  19. 19.62³ =
  20. 20.31³ =
  21. 21.88³ =
  22. 22.41³ =
  23. 23.89³ =
  24. 24.28³ =
  25. 25.52³ =
  26. 26.27³ =
  27. 27.91³ =
  28. 28.25³ =
  29. 29.73³ =
  30. 30.27³ =
  31. 31.89³ =
  32. 32.78³ =
  33. 33.15³ =
  34. 34.45³ =
  35. 35.35³ =
  36. 36.36³ =
  37. 37.91³ =
  38. 38.26³ =
  39. 39.59³ =
  40. 40.55³ =

Answer key

  1. 46656
  2. 357911
  3. 68921
  4. 110592
  5. 46656
  6. 405224
  7. 857375
  8. 226981
  9. 140608
  10. 97336
  11. 185193
  12. 12167
  13. 74088
  14. 531441
  15. 9261
  16. 941192
  17. 250047
  18. 13824
  19. 238328
  20. 29791
  21. 681472
  22. 68921
  23. 704969
  24. 21952
  25. 140608
  26. 19683
  27. 753571
  28. 15625
  29. 389017
  30. 19683
  31. 704969
  32. 474552
  33. 3375
  34. 91125
  35. 42875
  36. 46656
  37. 753571
  38. 17576
  39. 205379
  40. 166375

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