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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 302 · 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. 1.95³ =
  2. 2.36³ =
  3. 3.21³ =
  4. 4.16³ =
  5. 5.59³ =
  6. 6.64³ =
  7. 7.21³ =
  8. 8.51³ =
  9. 9.25³ =
  10. 10.69³ =
  11. 11.68³ =
  12. 12.78³ =
  13. 13.66³ =
  14. 14.98³ =
  15. 15.36³ =
  16. 16.97³ =
  17. 17.77³ =
  18. 18.13³ =
  19. 19.82³ =
  20. 20.28³ =
  21. 21.59³ =
  22. 22.25³ =
  23. 23.57³ =
  24. 24.81³ =
  25. 25.31³ =
  26. 26.26³ =
  27. 27.59³ =
  28. 28.12³ =
  29. 29.57³ =
  30. 30.63³ =
  31. 31.68³ =
  32. 32.18³ =
  33. 33.42³ =
  34. 34.19³ =
  35. 35.73³ =
  36. 36.23³ =
  37. 37.79³ =
  38. 38.32³ =
  39. 39.38³ =
  40. 40.41³ =

Answer key

  1. 857375
  2. 46656
  3. 9261
  4. 4096
  5. 205379
  6. 262144
  7. 9261
  8. 132651
  9. 15625
  10. 328509
  11. 314432
  12. 474552
  13. 287496
  14. 941192
  15. 46656
  16. 912673
  17. 456533
  18. 2197
  19. 551368
  20. 21952
  21. 205379
  22. 15625
  23. 185193
  24. 531441
  25. 29791
  26. 17576
  27. 205379
  28. 1728
  29. 185193
  30. 250047
  31. 314432
  32. 5832
  33. 74088
  34. 6859
  35. 389017
  36. 12167
  37. 493039
  38. 32768
  39. 54872
  40. 68921

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