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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 367 · 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. 1.96³ =
  2. 2.71³ =
  3. 3.28³ =
  4. 4.23³ =
  5. 5.52³ =
  6. 6.34³ =
  7. 7.46³ =
  8. 8.28³ =
  9. 9.33³ =
  10. 10.11³ =
  11. 11.57³ =
  12. 12.72³ =
  13. 13.68³ =
  14. 14.31³ =
  15. 15.21³ =
  16. 16.11³ =
  17. 17.19³ =
  18. 18.61³ =
  19. 19.49³ =
  20. 20.92³ =
  21. 21.37³ =
  22. 22.94³ =
  23. 23.11³ =
  24. 24.71³ =
  25. 25.91³ =
  26. 26.75³ =
  27. 27.11³ =
  28. 28.37³ =
  29. 29.86³ =
  30. 30.59³ =
  31. 31.11³ =
  32. 32.38³ =
  33. 33.28³ =
  34. 34.91³ =
  35. 35.13³ =
  36. 36.82³ =
  37. 37.23³ =
  38. 38.42³ =
  39. 39.24³ =
  40. 40.58³ =

Answer key

  1. 884736
  2. 357911
  3. 21952
  4. 12167
  5. 140608
  6. 39304
  7. 97336
  8. 21952
  9. 35937
  10. 1331
  11. 185193
  12. 373248
  13. 314432
  14. 29791
  15. 9261
  16. 1331
  17. 6859
  18. 226981
  19. 117649
  20. 778688
  21. 50653
  22. 830584
  23. 1331
  24. 357911
  25. 753571
  26. 421875
  27. 1331
  28. 50653
  29. 636056
  30. 205379
  31. 1331
  32. 54872
  33. 21952
  34. 753571
  35. 2197
  36. 551368
  37. 12167
  38. 74088
  39. 13824
  40. 195112

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