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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 273 · 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. 1.86³ =
  2. 2.11³ =
  3. 3.24³ =
  4. 4.72³ =
  5. 5.84³ =
  6. 6.87³ =
  7. 7.25³ =
  8. 8.36³ =
  9. 9.33³ =
  10. 10.25³ =
  11. 11.59³ =
  12. 12.29³ =
  13. 13.42³ =
  14. 14.35³ =
  15. 15.18³ =
  16. 16.84³ =
  17. 17.25³ =
  18. 18.86³ =
  19. 19.45³ =
  20. 20.23³ =
  21. 21.62³ =
  22. 22.16³ =
  23. 23.54³ =
  24. 24.27³ =
  25. 25.53³ =
  26. 26.14³ =
  27. 27.22³ =
  28. 28.68³ =
  29. 29.31³ =
  30. 30.84³ =
  31. 31.41³ =
  32. 32.94³ =
  33. 33.59³ =
  34. 34.49³ =
  35. 35.28³ =
  36. 36.13³ =
  37. 37.89³ =
  38. 38.53³ =
  39. 39.89³ =
  40. 40.32³ =

Answer key

  1. 636056
  2. 1331
  3. 13824
  4. 373248
  5. 592704
  6. 658503
  7. 15625
  8. 46656
  9. 35937
  10. 15625
  11. 205379
  12. 24389
  13. 74088
  14. 42875
  15. 5832
  16. 592704
  17. 15625
  18. 636056
  19. 91125
  20. 12167
  21. 238328
  22. 4096
  23. 157464
  24. 19683
  25. 148877
  26. 2744
  27. 10648
  28. 314432
  29. 29791
  30. 592704
  31. 68921
  32. 830584
  33. 205379
  34. 117649
  35. 21952
  36. 2197
  37. 704969
  38. 148877
  39. 704969
  40. 32768

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