Hit, Miss, Bullseye
This game is similar to "Mastermind."
The leader picks a four-digit number, and the students try to guess it.
When a student makes a guess, he is given feedback in the following manner:
(1) BULLSEYE -- a correct digit in the guess and in the right place.
(2) HIT -- a correct digit in the guess but out of order.
(3) MISS -- No digit of the guess is anywhere in the number.