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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 955 · 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. 1.71³ =
  2. 2.41³ =
  3. 3.52³ =
  4. 4.29³ =
  5. 5.93³ =
  6. 6.42³ =
  7. 7.76³ =
  8. 8.13³ =
  9. 9.15³ =
  10. 10.79³ =
  11. 11.16³ =
  12. 12.48³ =
  13. 13.78³ =
  14. 14.81³ =
  15. 15.45³ =
  16. 16.43³ =
  17. 17.78³ =
  18. 18.32³ =
  19. 19.52³ =
  20. 20.39³ =
  21. 21.42³ =
  22. 22.82³ =
  23. 23.33³ =
  24. 24.81³ =
  25. 25.43³ =
  26. 26.67³ =
  27. 27.51³ =
  28. 28.21³ =
  29. 29.61³ =
  30. 30.76³ =
  31. 31.71³ =
  32. 32.51³ =
  33. 33.39³ =
  34. 34.25³ =
  35. 35.77³ =
  36. 36.62³ =
  37. 37.33³ =
  38. 38.17³ =
  39. 39.15³ =
  40. 40.78³ =

Answer key

  1. 357911
  2. 68921
  3. 140608
  4. 24389
  5. 804357
  6. 74088
  7. 438976
  8. 2197
  9. 3375
  10. 493039
  11. 4096
  12. 110592
  13. 474552
  14. 531441
  15. 91125
  16. 79507
  17. 474552
  18. 32768
  19. 140608
  20. 59319
  21. 74088
  22. 551368
  23. 35937
  24. 531441
  25. 79507
  26. 300763
  27. 132651
  28. 9261
  29. 226981
  30. 438976
  31. 357911
  32. 132651
  33. 59319
  34. 15625
  35. 456533
  36. 238328
  37. 35937
  38. 4913
  39. 3375
  40. 474552

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