Noel has been working on makin handmade birthday cards for 11/12 hour. If each card takes 1/6 hour to make how many cards did he make?
Noel has been working on handmade birthday cards for 11/12 hour, which is equivalent to (11/12)/(1/6) = (11/12) * (6/1) = 11/2 = <<11/2=5.5>>5.5 cards.
Since Noel cannot make half a card, he made 5 cards. Answer: \boxed{5}.