...In general, there are two things that get kids stuck in Calculus. 1) Algebra HARD. Usually algebra is where things go wrong, and 2) Calculus is the first real class that really requires a conceptual understanding of what you're doing, and not just memorization. Since most math classes prepare you for the latter, not the former, this can be quite the difficulty curve for students. (read more)
...For the last 20+ years I have taught the following math skills to elementary school children:
Kindergarteners: shapes, numbers, counting, one-to-one correspondence with objects, solving simple
word problems involving joining and taking away, and comparing objects in relation to size or measurem... (read more)
...After my Ph.D., I taught as a physics professor at Earlham College for one year, and then as a physics professor at Kansas Wesleyan University for five years. Besides physics, I have taught many math courses (from College Algebra through Discrete Math) and computer science courses (Introduction ... (read more)