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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 213 · 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. 1.38³ =
  2. 2.46³ =
  3. 3.82³ =
  4. 4.54³ =
  5. 5.73³ =
  6. 6.26³ =
  7. 7.88³ =
  8. 8.81³ =
  9. 9.23³ =
  10. 10.46³ =
  11. 11.44³ =
  12. 12.72³ =
  13. 13.18³ =
  14. 14.28³ =
  15. 15.55³ =
  16. 16.32³ =
  17. 17.21³ =
  18. 18.82³ =
  19. 19.79³ =
  20. 20.47³ =
  21. 21.56³ =
  22. 22.15³ =
  23. 23.22³ =
  24. 24.27³ =
  25. 25.97³ =
  26. 26.45³ =
  27. 27.53³ =
  28. 28.41³ =
  29. 29.51³ =
  30. 30.23³ =
  31. 31.22³ =
  32. 32.81³ =
  33. 33.33³ =
  34. 34.99³ =
  35. 35.84³ =
  36. 36.65³ =
  37. 37.91³ =
  38. 38.54³ =
  39. 39.29³ =
  40. 40.26³ =

Answer key

  1. 54872
  2. 97336
  3. 551368
  4. 157464
  5. 389017
  6. 17576
  7. 681472
  8. 531441
  9. 12167
  10. 97336
  11. 85184
  12. 373248
  13. 5832
  14. 21952
  15. 166375
  16. 32768
  17. 9261
  18. 551368
  19. 493039
  20. 103823
  21. 175616
  22. 3375
  23. 10648
  24. 19683
  25. 912673
  26. 91125
  27. 148877
  28. 68921
  29. 132651
  30. 12167
  31. 10648
  32. 531441
  33. 35937
  34. 970299
  35. 592704
  36. 274625
  37. 753571
  38. 157464
  39. 24389
  40. 17576

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