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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 604 · 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. 1.11³ =
  2. 2.82³ =
  3. 3.68³ =
  4. 4.71³ =
  5. 5.24³ =
  6. 6.57³ =
  7. 7.78³ =
  8. 8.92³ =
  9. 9.45³ =
  10. 10.59³ =
  11. 11.52³ =
  12. 12.65³ =
  13. 13.84³ =
  14. 14.31³ =
  15. 15.38³ =
  16. 16.91³ =
  17. 17.92³ =
  18. 18.11³ =
  19. 19.22³ =
  20. 20.93³ =
  21. 21.13³ =
  22. 22.28³ =
  23. 23.32³ =
  24. 24.49³ =
  25. 25.82³ =
  26. 26.51³ =
  27. 27.33³ =
  28. 28.96³ =
  29. 29.91³ =
  30. 30.71³ =
  31. 31.71³ =
  32. 32.13³ =
  33. 33.96³ =
  34. 34.91³ =
  35. 35.73³ =
  36. 36.89³ =
  37. 37.21³ =
  38. 38.57³ =
  39. 39.17³ =
  40. 40.82³ =

Answer key

  1. 1331
  2. 551368
  3. 314432
  4. 357911
  5. 13824
  6. 185193
  7. 474552
  8. 778688
  9. 91125
  10. 205379
  11. 140608
  12. 274625
  13. 592704
  14. 29791
  15. 54872
  16. 753571
  17. 778688
  18. 1331
  19. 10648
  20. 804357
  21. 2197
  22. 21952
  23. 32768
  24. 117649
  25. 551368
  26. 132651
  27. 35937
  28. 884736
  29. 753571
  30. 357911
  31. 357911
  32. 2197
  33. 884736
  34. 753571
  35. 389017
  36. 704969
  37. 9261
  38. 185193
  39. 4913
  40. 551368

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