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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 896 · 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. 1.98³ =
  2. 2.87³ =
  3. 3.52³ =
  4. 4.13³ =
  5. 5.32³ =
  6. 6.38³ =
  7. 7.17³ =
  8. 8.58³ =
  9. 9.52³ =
  10. 10.81³ =
  11. 11.96³ =
  12. 12.54³ =
  13. 13.13³ =
  14. 14.98³ =
  15. 15.14³ =
  16. 16.41³ =
  17. 17.41³ =
  18. 18.66³ =
  19. 19.15³ =
  20. 20.66³ =
  21. 21.11³ =
  22. 22.59³ =
  23. 23.82³ =
  24. 24.57³ =
  25. 25.17³ =
  26. 26.93³ =
  27. 27.34³ =
  28. 28.65³ =
  29. 29.43³ =
  30. 30.18³ =
  31. 31.64³ =
  32. 32.47³ =
  33. 33.33³ =
  34. 34.45³ =
  35. 35.63³ =
  36. 36.66³ =
  37. 37.38³ =
  38. 38.52³ =
  39. 39.58³ =
  40. 40.53³ =

Answer key

  1. 941192
  2. 658503
  3. 140608
  4. 2197
  5. 32768
  6. 54872
  7. 4913
  8. 195112
  9. 140608
  10. 531441
  11. 884736
  12. 157464
  13. 2197
  14. 941192
  15. 2744
  16. 68921
  17. 68921
  18. 287496
  19. 3375
  20. 287496
  21. 1331
  22. 205379
  23. 551368
  24. 185193
  25. 4913
  26. 804357
  27. 39304
  28. 274625
  29. 79507
  30. 5832
  31. 262144
  32. 103823
  33. 35937
  34. 91125
  35. 250047
  36. 287496
  37. 54872
  38. 140608
  39. 195112
  40. 148877

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