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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 513 · 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. 1.56³ =
  2. 2.23³ =
  3. 3.92³ =
  4. 4.22³ =
  5. 5.81³ =
  6. 6.94³ =
  7. 7.38³ =
  8. 8.27³ =
  9. 9.21³ =
  10. 10.42³ =
  11. 11.51³ =
  12. 12.19³ =
  13. 13.72³ =
  14. 14.29³ =
  15. 15.48³ =
  16. 16.26³ =
  17. 17.87³ =
  18. 18.85³ =
  19. 19.23³ =
  20. 20.36³ =
  21. 21.35³ =
  22. 22.82³ =
  23. 23.41³ =
  24. 24.19³ =
  25. 25.29³ =
  26. 26.28³ =
  27. 27.98³ =
  28. 28.93³ =
  29. 29.11³ =
  30. 30.49³ =
  31. 31.35³ =
  32. 32.27³ =
  33. 33.81³ =
  34. 34.17³ =
  35. 35.69³ =
  36. 36.27³ =
  37. 37.35³ =
  38. 38.48³ =
  39. 39.21³ =
  40. 40.96³ =

Answer key

  1. 175616
  2. 12167
  3. 778688
  4. 10648
  5. 531441
  6. 830584
  7. 54872
  8. 19683
  9. 9261
  10. 74088
  11. 132651
  12. 6859
  13. 373248
  14. 24389
  15. 110592
  16. 17576
  17. 658503
  18. 614125
  19. 12167
  20. 46656
  21. 42875
  22. 551368
  23. 68921
  24. 6859
  25. 24389
  26. 21952
  27. 941192
  28. 804357
  29. 1331
  30. 117649
  31. 42875
  32. 19683
  33. 531441
  34. 4913
  35. 328509
  36. 19683
  37. 42875
  38. 110592
  39. 9261
  40. 884736

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