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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 429 · 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. 1.79³ =
  2. 2.22³ =
  3. 3.97³ =
  4. 4.16³ =
  5. 5.28³ =
  6. 6.45³ =
  7. 7.75³ =
  8. 8.42³ =
  9. 9.51³ =
  10. 10.85³ =
  11. 11.34³ =
  12. 12.76³ =
  13. 13.99³ =
  14. 14.81³ =
  15. 15.59³ =
  16. 16.31³ =
  17. 17.51³ =
  18. 18.82³ =
  19. 19.31³ =
  20. 20.25³ =
  21. 21.54³ =
  22. 22.93³ =
  23. 23.23³ =
  24. 24.42³ =
  25. 25.19³ =
  26. 26.62³ =
  27. 27.78³ =
  28. 28.31³ =
  29. 29.87³ =
  30. 30.73³ =
  31. 31.78³ =
  32. 32.14³ =
  33. 33.97³ =
  34. 34.11³ =
  35. 35.76³ =
  36. 36.87³ =
  37. 37.52³ =
  38. 38.95³ =
  39. 39.73³ =
  40. 40.96³ =

Answer key

  1. 493039
  2. 10648
  3. 912673
  4. 4096
  5. 21952
  6. 91125
  7. 421875
  8. 74088
  9. 132651
  10. 614125
  11. 39304
  12. 438976
  13. 970299
  14. 531441
  15. 205379
  16. 29791
  17. 132651
  18. 551368
  19. 29791
  20. 15625
  21. 157464
  22. 804357
  23. 12167
  24. 74088
  25. 6859
  26. 238328
  27. 474552
  28. 29791
  29. 658503
  30. 389017
  31. 474552
  32. 2744
  33. 912673
  34. 1331
  35. 438976
  36. 658503
  37. 140608
  38. 857375
  39. 389017
  40. 884736

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