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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 593 · 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. 1.26³ =
  2. 2.98³ =
  3. 3.61³ =
  4. 4.46³ =
  5. 5.81³ =
  6. 6.93³ =
  7. 7.21³ =
  8. 8.84³ =
  9. 9.99³ =
  10. 10.76³ =
  11. 11.77³ =
  12. 12.24³ =
  13. 13.19³ =
  14. 14.41³ =
  15. 15.91³ =
  16. 16.13³ =
  17. 17.22³ =
  18. 18.49³ =
  19. 19.52³ =
  20. 20.38³ =
  21. 21.48³ =
  22. 22.76³ =
  23. 23.88³ =
  24. 24.29³ =
  25. 25.85³ =
  26. 26.91³ =
  27. 27.49³ =
  28. 28.27³ =
  29. 29.21³ =
  30. 30.43³ =
  31. 31.93³ =
  32. 32.61³ =
  33. 33.56³ =
  34. 34.42³ =
  35. 35.35³ =
  36. 36.76³ =
  37. 37.26³ =
  38. 38.75³ =
  39. 39.89³ =
  40. 40.92³ =

Answer key

  1. 17576
  2. 941192
  3. 226981
  4. 97336
  5. 531441
  6. 804357
  7. 9261
  8. 592704
  9. 970299
  10. 438976
  11. 456533
  12. 13824
  13. 6859
  14. 68921
  15. 753571
  16. 2197
  17. 10648
  18. 117649
  19. 140608
  20. 54872
  21. 110592
  22. 438976
  23. 681472
  24. 24389
  25. 614125
  26. 753571
  27. 117649
  28. 19683
  29. 9261
  30. 79507
  31. 804357
  32. 226981
  33. 175616
  34. 74088
  35. 42875
  36. 438976
  37. 17576
  38. 421875
  39. 704969
  40. 778688

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