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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 357 · 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. 1.54³ =
  2. 2.46³ =
  3. 3.72³ =
  4. 4.33³ =
  5. 5.88³ =
  6. 6.94³ =
  7. 7.21³ =
  8. 8.92³ =
  9. 9.11³ =
  10. 10.15³ =
  11. 11.15³ =
  12. 12.87³ =
  13. 13.22³ =
  14. 14.14³ =
  15. 15.17³ =
  16. 16.23³ =
  17. 17.23³ =
  18. 18.99³ =
  19. 19.12³ =
  20. 20.65³ =
  21. 21.87³ =
  22. 22.81³ =
  23. 23.91³ =
  24. 24.23³ =
  25. 25.37³ =
  26. 26.62³ =
  27. 27.15³ =
  28. 28.21³ =
  29. 29.43³ =
  30. 30.22³ =
  31. 31.23³ =
  32. 32.92³ =
  33. 33.39³ =
  34. 34.21³ =
  35. 35.56³ =
  36. 36.86³ =
  37. 37.11³ =
  38. 38.91³ =
  39. 39.65³ =
  40. 40.14³ =

Answer key

  1. 157464
  2. 97336
  3. 373248
  4. 35937
  5. 681472
  6. 830584
  7. 9261
  8. 778688
  9. 1331
  10. 3375
  11. 3375
  12. 658503
  13. 10648
  14. 2744
  15. 4913
  16. 12167
  17. 12167
  18. 970299
  19. 1728
  20. 274625
  21. 658503
  22. 531441
  23. 753571
  24. 12167
  25. 50653
  26. 238328
  27. 3375
  28. 9261
  29. 79507
  30. 10648
  31. 12167
  32. 778688
  33. 59319
  34. 9261
  35. 175616
  36. 636056
  37. 1331
  38. 753571
  39. 274625
  40. 2744

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