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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 301 · 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. 1.46³ =
  2. 2.31³ =
  3. 3.33³ =
  4. 4.35³ =
  5. 5.13³ =
  6. 6.44³ =
  7. 7.21³ =
  8. 8.82³ =
  9. 9.21³ =
  10. 10.61³ =
  11. 11.27³ =
  12. 12.88³ =
  13. 13.39³ =
  14. 14.52³ =
  15. 15.26³ =
  16. 16.51³ =
  17. 17.17³ =
  18. 18.23³ =
  19. 19.34³ =
  20. 20.26³ =
  21. 21.98³ =
  22. 22.56³ =
  23. 23.46³ =
  24. 24.62³ =
  25. 25.61³ =
  26. 26.55³ =
  27. 27.44³ =
  28. 28.53³ =
  29. 29.36³ =
  30. 30.73³ =
  31. 31.69³ =
  32. 32.88³ =
  33. 33.21³ =
  34. 34.58³ =
  35. 35.16³ =
  36. 36.22³ =
  37. 37.91³ =
  38. 38.57³ =
  39. 39.21³ =
  40. 40.43³ =

Answer key

  1. 97336
  2. 29791
  3. 35937
  4. 42875
  5. 2197
  6. 85184
  7. 9261
  8. 551368
  9. 9261
  10. 226981
  11. 19683
  12. 681472
  13. 59319
  14. 140608
  15. 17576
  16. 132651
  17. 4913
  18. 12167
  19. 39304
  20. 17576
  21. 941192
  22. 175616
  23. 97336
  24. 238328
  25. 226981
  26. 166375
  27. 85184
  28. 148877
  29. 46656
  30. 389017
  31. 328509
  32. 681472
  33. 9261
  34. 195112
  35. 4096
  36. 10648
  37. 753571
  38. 185193
  39. 9261
  40. 79507

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