If $2$ more scorecards are given to each student, all the cards are distributed. Therefore, the class has $8\div2=4$ students. 
A teacher distributes scorecards equally to students, and there is a surplus of $8$ cards. If $2$ more cards are given to each student, all the cards will be distributed. Then there arestudents in the class in total. 

1) $$2$$ 
2) $$4$$ 
3) $$6$$ 
4) $$8$$ 