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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 435 · 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. 1.24³ =
  2. 2.32³ =
  3. 3.12³ =
  4. 4.48³ =
  5. 5.96³ =
  6. 6.68³ =
  7. 7.45³ =
  8. 8.44³ =
  9. 9.44³ =
  10. 10.76³ =
  11. 11.27³ =
  12. 12.11³ =
  13. 13.44³ =
  14. 14.12³ =
  15. 15.99³ =
  16. 16.12³ =
  17. 17.68³ =
  18. 18.93³ =
  19. 19.33³ =
  20. 20.72³ =
  21. 21.92³ =
  22. 22.71³ =
  23. 23.42³ =
  24. 24.65³ =
  25. 25.46³ =
  26. 26.65³ =
  27. 27.99³ =
  28. 28.89³ =
  29. 29.99³ =
  30. 30.21³ =
  31. 31.54³ =
  32. 32.21³ =
  33. 33.39³ =
  34. 34.15³ =
  35. 35.95³ =
  36. 36.21³ =
  37. 37.78³ =
  38. 38.24³ =
  39. 39.27³ =
  40. 40.87³ =

Answer key

  1. 13824
  2. 32768
  3. 1728
  4. 110592
  5. 884736
  6. 314432
  7. 91125
  8. 85184
  9. 85184
  10. 438976
  11. 19683
  12. 1331
  13. 85184
  14. 1728
  15. 970299
  16. 1728
  17. 314432
  18. 804357
  19. 35937
  20. 373248
  21. 778688
  22. 357911
  23. 74088
  24. 274625
  25. 97336
  26. 274625
  27. 970299
  28. 704969
  29. 970299
  30. 9261
  31. 157464
  32. 9261
  33. 59319
  34. 3375
  35. 857375
  36. 9261
  37. 474552
  38. 13824
  39. 19683
  40. 658503

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