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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 475 · 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. 1.53³ =
  2. 2.91³ =
  3. 3.27³ =
  4. 4.17³ =
  5. 5.37³ =
  6. 6.34³ =
  7. 7.27³ =
  8. 8.59³ =
  9. 9.51³ =
  10. 10.18³ =
  11. 11.41³ =
  12. 12.99³ =
  13. 13.94³ =
  14. 14.54³ =
  15. 15.78³ =
  16. 16.32³ =
  17. 17.31³ =
  18. 18.85³ =
  19. 19.43³ =
  20. 20.76³ =
  21. 21.98³ =
  22. 22.78³ =
  23. 23.71³ =
  24. 24.32³ =
  25. 25.31³ =
  26. 26.94³ =
  27. 27.86³ =
  28. 28.51³ =
  29. 29.97³ =
  30. 30.32³ =
  31. 31.75³ =
  32. 32.14³ =
  33. 33.25³ =
  34. 34.31³ =
  35. 35.97³ =
  36. 36.33³ =
  37. 37.19³ =
  38. 38.98³ =
  39. 39.11³ =
  40. 40.21³ =

Answer key

  1. 148877
  2. 753571
  3. 19683
  4. 4913
  5. 50653
  6. 39304
  7. 19683
  8. 205379
  9. 132651
  10. 5832
  11. 68921
  12. 970299
  13. 830584
  14. 157464
  15. 474552
  16. 32768
  17. 29791
  18. 614125
  19. 79507
  20. 438976
  21. 941192
  22. 474552
  23. 357911
  24. 32768
  25. 29791
  26. 830584
  27. 636056
  28. 132651
  29. 912673
  30. 32768
  31. 421875
  32. 2744
  33. 15625
  34. 29791
  35. 912673
  36. 35937
  37. 6859
  38. 941192
  39. 1331
  40. 9261

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