I was that annoying kid in high school math who would raise his hand with an answer before the teacher had finished asking the question.  My strategy was simple. During the question, if I was comfortable that I knew the answer, the hand would go up. I knew I had a few seconds before I was called on, and the odds of being called on were low — unless no one else raised their hand.  A bit after I felt comfortable that I knew the answer, it would become available for me to open my mouth and say it. I was normally right, and usually would then be asked how I had reached that answer. This was always the hardest part, and I struggled…