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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 345 · 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. 1.48³ =
  2. 2.68³ =
  3. 3.61³ =
  4. 4.19³ =
  5. 5.13³ =
  6. 6.92³ =
  7. 7.38³ =
  8. 8.56³ =
  9. 9.61³ =
  10. 10.41³ =
  11. 11.33³ =
  12. 12.47³ =
  13. 13.24³ =
  14. 14.51³ =
  15. 15.41³ =
  16. 16.71³ =
  17. 17.45³ =
  18. 18.33³ =
  19. 19.79³ =
  20. 20.39³ =
  21. 21.36³ =
  22. 22.13³ =
  23. 23.49³ =
  24. 24.44³ =
  25. 25.82³ =
  26. 26.61³ =
  27. 27.85³ =
  28. 28.84³ =
  29. 29.19³ =
  30. 30.19³ =
  31. 31.47³ =
  32. 32.38³ =
  33. 33.19³ =
  34. 34.81³ =
  35. 35.83³ =
  36. 36.82³ =
  37. 37.51³ =
  38. 38.47³ =
  39. 39.75³ =
  40. 40.67³ =

Answer key

  1. 110592
  2. 314432
  3. 226981
  4. 6859
  5. 2197
  6. 778688
  7. 54872
  8. 175616
  9. 226981
  10. 68921
  11. 35937
  12. 103823
  13. 13824
  14. 132651
  15. 68921
  16. 357911
  17. 91125
  18. 35937
  19. 493039
  20. 59319
  21. 46656
  22. 2197
  23. 117649
  24. 85184
  25. 551368
  26. 226981
  27. 614125
  28. 592704
  29. 6859
  30. 6859
  31. 103823
  32. 54872
  33. 6859
  34. 531441
  35. 571787
  36. 551368
  37. 132651
  38. 103823
  39. 421875
  40. 300763

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