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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 935 · 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. 1.77³ =
  2. 2.34³ =
  3. 3.83³ =
  4. 4.21³ =
  5. 5.45³ =
  6. 6.53³ =
  7. 7.98³ =
  8. 8.24³ =
  9. 9.59³ =
  10. 10.94³ =
  11. 11.81³ =
  12. 12.19³ =
  13. 13.25³ =
  14. 14.21³ =
  15. 15.53³ =
  16. 16.62³ =
  17. 17.24³ =
  18. 18.38³ =
  19. 19.69³ =
  20. 20.75³ =
  21. 21.54³ =
  22. 22.85³ =
  23. 23.61³ =
  24. 24.57³ =
  25. 25.31³ =
  26. 26.65³ =
  27. 27.95³ =
  28. 28.36³ =
  29. 29.85³ =
  30. 30.16³ =
  31. 31.84³ =
  32. 32.55³ =
  33. 33.93³ =
  34. 34.97³ =
  35. 35.54³ =
  36. 36.22³ =
  37. 37.68³ =
  38. 38.66³ =
  39. 39.16³ =
  40. 40.75³ =

Answer key

  1. 456533
  2. 39304
  3. 571787
  4. 9261
  5. 91125
  6. 148877
  7. 941192
  8. 13824
  9. 205379
  10. 830584
  11. 531441
  12. 6859
  13. 15625
  14. 9261
  15. 148877
  16. 238328
  17. 13824
  18. 54872
  19. 328509
  20. 421875
  21. 157464
  22. 614125
  23. 226981
  24. 185193
  25. 29791
  26. 274625
  27. 857375
  28. 46656
  29. 614125
  30. 4096
  31. 592704
  32. 166375
  33. 804357
  34. 912673
  35. 157464
  36. 10648
  37. 314432
  38. 287496
  39. 4096
  40. 421875

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