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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 463 · 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. 1.62³ =
  2. 2.41³ =
  3. 3.18³ =
  4. 4.89³ =
  5. 5.27³ =
  6. 6.81³ =
  7. 7.77³ =
  8. 8.12³ =
  9. 9.55³ =
  10. 10.82³ =
  11. 11.29³ =
  12. 12.75³ =
  13. 13.14³ =
  14. 14.52³ =
  15. 15.35³ =
  16. 16.12³ =
  17. 17.61³ =
  18. 18.51³ =
  19. 19.26³ =
  20. 20.82³ =
  21. 21.33³ =
  22. 22.63³ =
  23. 23.19³ =
  24. 24.94³ =
  25. 25.72³ =
  26. 26.32³ =
  27. 27.26³ =
  28. 28.57³ =
  29. 29.58³ =
  30. 30.46³ =
  31. 31.16³ =
  32. 32.54³ =
  33. 33.86³ =
  34. 34.29³ =
  35. 35.61³ =
  36. 36.76³ =
  37. 37.21³ =
  38. 38.15³ =
  39. 39.47³ =
  40. 40.49³ =

Answer key

  1. 238328
  2. 68921
  3. 5832
  4. 704969
  5. 19683
  6. 531441
  7. 456533
  8. 1728
  9. 166375
  10. 551368
  11. 24389
  12. 421875
  13. 2744
  14. 140608
  15. 42875
  16. 1728
  17. 226981
  18. 132651
  19. 17576
  20. 551368
  21. 35937
  22. 250047
  23. 6859
  24. 830584
  25. 373248
  26. 32768
  27. 17576
  28. 185193
  29. 195112
  30. 97336
  31. 4096
  32. 157464
  33. 636056
  34. 24389
  35. 226981
  36. 438976
  37. 9261
  38. 3375
  39. 103823
  40. 117649

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