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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 538 · 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. 1.65³ =
  2. 2.97³ =
  3. 3.44³ =
  4. 4.82³ =
  5. 5.61³ =
  6. 6.97³ =
  7. 7.15³ =
  8. 8.35³ =
  9. 9.53³ =
  10. 10.65³ =
  11. 11.51³ =
  12. 12.73³ =
  13. 13.21³ =
  14. 14.41³ =
  15. 15.39³ =
  16. 16.84³ =
  17. 17.53³ =
  18. 18.97³ =
  19. 19.98³ =
  20. 20.61³ =
  21. 21.11³ =
  22. 22.54³ =
  23. 23.51³ =
  24. 24.19³ =
  25. 25.85³ =
  26. 26.63³ =
  27. 27.95³ =
  28. 28.31³ =
  29. 29.99³ =
  30. 30.88³ =
  31. 31.71³ =
  32. 32.67³ =
  33. 33.45³ =
  34. 34.79³ =
  35. 35.31³ =
  36. 36.32³ =
  37. 37.35³ =
  38. 38.73³ =
  39. 39.87³ =
  40. 40.96³ =

Answer key

  1. 274625
  2. 912673
  3. 85184
  4. 551368
  5. 226981
  6. 912673
  7. 3375
  8. 42875
  9. 148877
  10. 274625
  11. 132651
  12. 389017
  13. 9261
  14. 68921
  15. 59319
  16. 592704
  17. 148877
  18. 912673
  19. 941192
  20. 226981
  21. 1331
  22. 157464
  23. 132651
  24. 6859
  25. 614125
  26. 250047
  27. 857375
  28. 29791
  29. 970299
  30. 681472
  31. 357911
  32. 300763
  33. 91125
  34. 493039
  35. 29791
  36. 32768
  37. 42875
  38. 389017
  39. 658503
  40. 884736

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