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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 465 · 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. 1.33³ =
  2. 2.23³ =
  3. 3.39³ =
  4. 4.34³ =
  5. 5.84³ =
  6. 6.15³ =
  7. 7.31³ =
  8. 8.87³ =
  9. 9.21³ =
  10. 10.16³ =
  11. 11.37³ =
  12. 12.67³ =
  13. 13.66³ =
  14. 14.15³ =
  15. 15.84³ =
  16. 16.91³ =
  17. 17.66³ =
  18. 18.67³ =
  19. 19.31³ =
  20. 20.69³ =
  21. 21.61³ =
  22. 22.95³ =
  23. 23.57³ =
  24. 24.61³ =
  25. 25.56³ =
  26. 26.67³ =
  27. 27.31³ =
  28. 28.21³ =
  29. 29.84³ =
  30. 30.76³ =
  31. 31.77³ =
  32. 32.61³ =
  33. 33.88³ =
  34. 34.54³ =
  35. 35.51³ =
  36. 36.38³ =
  37. 37.17³ =
  38. 38.25³ =
  39. 39.44³ =
  40. 40.39³ =

Answer key

  1. 35937
  2. 12167
  3. 59319
  4. 39304
  5. 592704
  6. 3375
  7. 29791
  8. 658503
  9. 9261
  10. 4096
  11. 50653
  12. 300763
  13. 287496
  14. 3375
  15. 592704
  16. 753571
  17. 287496
  18. 300763
  19. 29791
  20. 328509
  21. 226981
  22. 857375
  23. 185193
  24. 226981
  25. 175616
  26. 300763
  27. 29791
  28. 9261
  29. 592704
  30. 438976
  31. 456533
  32. 226981
  33. 681472
  34. 157464
  35. 132651
  36. 54872
  37. 4913
  38. 15625
  39. 85184
  40. 59319

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