OMG--Were we in the same class? I can remember this teacher sending me to the board in 4th grade to show everyone how NOT to do a problem. I had to copy my wrong answer on the board and then stand there in front of the class while she explained to everyone what I did wrong. And she would say such sarcastic things like, "Oh-look! This is my favorite mistake that Elocin made...." I was so upset I don't think I could have answered 2+2 if you asked me right then.