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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 928 · 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. 2.67³ =
  3. 3.81³ =
  4. 4.65³ =
  5. 5.74³ =
  6. 6.55³ =
  7. 7.51³ =
  8. 8.17³ =
  9. 9.39³ =
  10. 10.55³ =
  11. 11.99³ =
  12. 12.31³ =
  13. 13.76³ =
  14. 14.91³ =
  15. 15.61³ =
  16. 16.23³ =
  17. 17.36³ =
  18. 18.71³ =
  19. 19.13³ =
  20. 20.67³ =
  21. 21.81³ =
  22. 22.58³ =
  23. 23.59³ =
  24. 24.73³ =
  25. 25.59³ =
  26. 26.37³ =
  27. 27.65³ =
  28. 28.51³ =
  29. 29.29³ =
  30. 30.23³ =
  31. 31.51³ =
  32. 32.73³ =
  33. 33.79³ =
  34. 34.77³ =
  35. 35.54³ =
  36. 36.42³ =
  37. 37.24³ =
  38. 38.39³ =
  39. 39.92³ =
  40. 40.35³ =

Answer key

  1. 35937
  2. 300763
  3. 531441
  4. 274625
  5. 405224
  6. 166375
  7. 132651
  8. 4913
  9. 59319
  10. 166375
  11. 970299
  12. 29791
  13. 438976
  14. 753571
  15. 226981
  16. 12167
  17. 46656
  18. 357911
  19. 2197
  20. 300763
  21. 531441
  22. 195112
  23. 205379
  24. 389017
  25. 205379
  26. 50653
  27. 274625
  28. 132651
  29. 24389
  30. 12167
  31. 132651
  32. 389017
  33. 493039
  34. 456533
  35. 157464
  36. 74088
  37. 13824
  38. 59319
  39. 778688
  40. 42875

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