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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 792 · 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. 1.95³ =
  2. 2.21³ =
  3. 3.34³ =
  4. 4.22³ =
  5. 5.37³ =
  6. 6.49³ =
  7. 7.72³ =
  8. 8.51³ =
  9. 9.56³ =
  10. 10.94³ =
  11. 11.21³ =
  12. 12.82³ =
  13. 13.41³ =
  14. 14.51³ =
  15. 15.55³ =
  16. 16.23³ =
  17. 17.96³ =
  18. 18.36³ =
  19. 19.24³ =
  20. 20.51³ =
  21. 21.91³ =
  22. 22.25³ =
  23. 23.24³ =
  24. 24.87³ =
  25. 25.36³ =
  26. 26.31³ =
  27. 27.21³ =
  28. 28.78³ =
  29. 29.29³ =
  30. 30.25³ =
  31. 31.44³ =
  32. 32.54³ =
  33. 33.33³ =
  34. 34.44³ =
  35. 35.22³ =
  36. 36.64³ =
  37. 37.62³ =
  38. 38.73³ =
  39. 39.87³ =
  40. 40.79³ =

Answer key

  1. 857375
  2. 9261
  3. 39304
  4. 10648
  5. 50653
  6. 117649
  7. 373248
  8. 132651
  9. 175616
  10. 830584
  11. 9261
  12. 551368
  13. 68921
  14. 132651
  15. 166375
  16. 12167
  17. 884736
  18. 46656
  19. 13824
  20. 132651
  21. 753571
  22. 15625
  23. 13824
  24. 658503
  25. 46656
  26. 29791
  27. 9261
  28. 474552
  29. 24389
  30. 15625
  31. 85184
  32. 157464
  33. 35937
  34. 85184
  35. 10648
  36. 262144
  37. 238328
  38. 389017
  39. 658503
  40. 493039

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