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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 899 · 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. 1.84³ =
  2. 2.79³ =
  3. 3.11³ =
  4. 4.98³ =
  5. 5.23³ =
  6. 6.51³ =
  7. 7.99³ =
  8. 8.16³ =
  9. 9.49³ =
  10. 10.26³ =
  11. 11.55³ =
  12. 12.17³ =
  13. 13.52³ =
  14. 14.41³ =
  15. 15.45³ =
  16. 16.99³ =
  17. 17.88³ =
  18. 18.26³ =
  19. 19.63³ =
  20. 20.11³ =
  21. 21.21³ =
  22. 22.88³ =
  23. 23.84³ =
  24. 24.54³ =
  25. 25.57³ =
  26. 26.73³ =
  27. 27.52³ =
  28. 28.34³ =
  29. 29.21³ =
  30. 30.37³ =
  31. 31.94³ =
  32. 32.16³ =
  33. 33.96³ =
  34. 34.39³ =
  35. 35.81³ =
  36. 36.32³ =
  37. 37.47³ =
  38. 38.73³ =
  39. 39.17³ =
  40. 40.42³ =

Answer key

  1. 592704
  2. 493039
  3. 1331
  4. 941192
  5. 12167
  6. 132651
  7. 970299
  8. 4096
  9. 117649
  10. 17576
  11. 166375
  12. 4913
  13. 140608
  14. 68921
  15. 91125
  16. 970299
  17. 681472
  18. 17576
  19. 250047
  20. 1331
  21. 9261
  22. 681472
  23. 592704
  24. 157464
  25. 185193
  26. 389017
  27. 140608
  28. 39304
  29. 9261
  30. 50653
  31. 830584
  32. 4096
  33. 884736
  34. 59319
  35. 531441
  36. 32768
  37. 103823
  38. 389017
  39. 4913
  40. 74088

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