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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 444 · 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. 1.87³ =
  2. 2.57³ =
  3. 3.61³ =
  4. 4.65³ =
  5. 5.15³ =
  6. 6.79³ =
  7. 7.34³ =
  8. 8.75³ =
  9. 9.83³ =
  10. 10.43³ =
  11. 11.33³ =
  12. 12.11³ =
  13. 13.97³ =
  14. 14.16³ =
  15. 15.44³ =
  16. 16.58³ =
  17. 17.42³ =
  18. 18.61³ =
  19. 19.46³ =
  20. 20.77³ =
  21. 21.94³ =
  22. 22.97³ =
  23. 23.55³ =
  24. 24.36³ =
  25. 25.15³ =
  26. 26.81³ =
  27. 27.24³ =
  28. 28.61³ =
  29. 29.15³ =
  30. 30.66³ =
  31. 31.35³ =
  32. 32.82³ =
  33. 33.44³ =
  34. 34.21³ =
  35. 35.96³ =
  36. 36.57³ =
  37. 37.92³ =
  38. 38.51³ =
  39. 39.71³ =
  40. 40.58³ =

Answer key

  1. 658503
  2. 185193
  3. 226981
  4. 274625
  5. 3375
  6. 493039
  7. 39304
  8. 421875
  9. 571787
  10. 79507
  11. 35937
  12. 1331
  13. 912673
  14. 4096
  15. 85184
  16. 195112
  17. 74088
  18. 226981
  19. 97336
  20. 456533
  21. 830584
  22. 912673
  23. 166375
  24. 46656
  25. 3375
  26. 531441
  27. 13824
  28. 226981
  29. 3375
  30. 287496
  31. 42875
  32. 551368
  33. 85184
  34. 9261
  35. 884736
  36. 185193
  37. 778688
  38. 132651
  39. 357911
  40. 195112

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