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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 837 · 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. 1.48³ =
  2. 2.71³ =
  3. 3.72³ =
  4. 4.55³ =
  5. 5.21³ =
  6. 6.81³ =
  7. 7.62³ =
  8. 8.16³ =
  9. 9.37³ =
  10. 10.85³ =
  11. 11.58³ =
  12. 12.87³ =
  13. 13.87³ =
  14. 14.85³ =
  15. 15.28³ =
  16. 16.99³ =
  17. 17.25³ =
  18. 18.23³ =
  19. 19.16³ =
  20. 20.71³ =
  21. 21.18³ =
  22. 22.65³ =
  23. 23.73³ =
  24. 24.55³ =
  25. 25.23³ =
  26. 26.38³ =
  27. 27.53³ =
  28. 28.75³ =
  29. 29.79³ =
  30. 30.23³ =
  31. 31.72³ =
  32. 32.59³ =
  33. 33.91³ =
  34. 34.51³ =
  35. 35.57³ =
  36. 36.82³ =
  37. 37.18³ =
  38. 38.54³ =
  39. 39.75³ =
  40. 40.94³ =

Answer key

  1. 110592
  2. 357911
  3. 373248
  4. 166375
  5. 9261
  6. 531441
  7. 238328
  8. 4096
  9. 50653
  10. 614125
  11. 195112
  12. 658503
  13. 658503
  14. 614125
  15. 21952
  16. 970299
  17. 15625
  18. 12167
  19. 4096
  20. 357911
  21. 5832
  22. 274625
  23. 389017
  24. 166375
  25. 12167
  26. 54872
  27. 148877
  28. 421875
  29. 493039
  30. 12167
  31. 373248
  32. 205379
  33. 753571
  34. 132651
  35. 185193
  36. 551368
  37. 5832
  38. 157464
  39. 421875
  40. 830584

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