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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 282 · 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. 1.93³ =
  2. 2.58³ =
  3. 3.55³ =
  4. 4.73³ =
  5. 5.94³ =
  6. 6.35³ =
  7. 7.51³ =
  8. 8.77³ =
  9. 9.19³ =
  10. 10.71³ =
  11. 11.33³ =
  12. 12.48³ =
  13. 13.95³ =
  14. 14.33³ =
  15. 15.22³ =
  16. 16.41³ =
  17. 17.12³ =
  18. 18.51³ =
  19. 19.89³ =
  20. 20.74³ =
  21. 21.71³ =
  22. 22.25³ =
  23. 23.65³ =
  24. 24.25³ =
  25. 25.35³ =
  26. 26.63³ =
  27. 27.49³ =
  28. 28.42³ =
  29. 29.29³ =
  30. 30.28³ =
  31. 31.59³ =
  32. 32.25³ =
  33. 33.25³ =
  34. 34.33³ =
  35. 35.62³ =
  36. 36.32³ =
  37. 37.39³ =
  38. 38.28³ =
  39. 39.94³ =
  40. 40.69³ =

Answer key

  1. 804357
  2. 195112
  3. 166375
  4. 389017
  5. 830584
  6. 42875
  7. 132651
  8. 456533
  9. 6859
  10. 357911
  11. 35937
  12. 110592
  13. 857375
  14. 35937
  15. 10648
  16. 68921
  17. 1728
  18. 132651
  19. 704969
  20. 405224
  21. 357911
  22. 15625
  23. 274625
  24. 15625
  25. 42875
  26. 250047
  27. 117649
  28. 74088
  29. 24389
  30. 21952
  31. 205379
  32. 15625
  33. 15625
  34. 35937
  35. 238328
  36. 32768
  37. 59319
  38. 21952
  39. 830584
  40. 328509

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