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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 752 · 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. 1.97³ =
  2. 2.93³ =
  3. 3.78³ =
  4. 4.43³ =
  5. 5.23³ =
  6. 6.31³ =
  7. 7.54³ =
  8. 8.96³ =
  9. 9.51³ =
  10. 10.63³ =
  11. 11.41³ =
  12. 12.26³ =
  13. 13.91³ =
  14. 14.96³ =
  15. 15.87³ =
  16. 16.39³ =
  17. 17.53³ =
  18. 18.73³ =
  19. 19.31³ =
  20. 20.74³ =
  21. 21.97³ =
  22. 22.88³ =
  23. 23.21³ =
  24. 24.43³ =
  25. 25.73³ =
  26. 26.83³ =
  27. 27.11³ =
  28. 28.92³ =
  29. 29.92³ =
  30. 30.19³ =
  31. 31.88³ =
  32. 32.31³ =
  33. 33.23³ =
  34. 34.77³ =
  35. 35.95³ =
  36. 36.67³ =
  37. 37.94³ =
  38. 38.66³ =
  39. 39.91³ =
  40. 40.69³ =

Answer key

  1. 912673
  2. 804357
  3. 474552
  4. 79507
  5. 12167
  6. 29791
  7. 157464
  8. 884736
  9. 132651
  10. 250047
  11. 68921
  12. 17576
  13. 753571
  14. 884736
  15. 658503
  16. 59319
  17. 148877
  18. 389017
  19. 29791
  20. 405224
  21. 912673
  22. 681472
  23. 9261
  24. 79507
  25. 389017
  26. 571787
  27. 1331
  28. 778688
  29. 778688
  30. 6859
  31. 681472
  32. 29791
  33. 12167
  34. 456533
  35. 857375
  36. 300763
  37. 830584
  38. 287496
  39. 753571
  40. 328509

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