During the first half of most high school calculus classes, teachers usually hand out some sort of chart like the one seen below: Many students who seek calculus tutoring have a version of this chart, but they don't actually know how to use it. That's a bummer because it is an invaluable tool for many problems kids see on exams, especially in AP calculus. I like this version above because it has a user-friendly "if/then" structure to help students choose the correct note for

5 tips to start the school year strong.