Applied Abstractions

A big part of Calculus is showing certain conditions hold. The big example is continuity. There is a very natural interpretation of the idea (If you can draw the graph of a function without picking up your pencil, it is continuous.) but then there is the very technical. (Left and right limits agree, function value must exist, and the limits must agree with the function value.) Just the idea of showing conditions hold is sometimes difficult for students, primary because they have never been asked to do this before. For the first week of my Calculus I course I am doing a lot of review. I know, I know, some of you might yell "But they're in college, you shouldn't have to review." Let's get into that in another post, for now, let's talk what I want them to know before  we talk about continuity. I want them to be able to show conditions are satisfied for a definition or theorem. How do we do that? Below are a few ideas, but I would love to hear your thoughts. Sha

Question of the day: Why do I always get first day jitters? I have been teaching since 2006 and I still haven't gotten over that first day nervousness of meeting new students. Granted I am at a new institution and I am a little unsure about the population, but I've done this dozens of times by now. How do you get over the first day jitters? Have you?

With Labor Day ending my focus is (slowly) shifting from Mai Tai's, road trips, and reading for pleasure to the start of a new term and new position. I am now a tenure-track Mathematics Instructor at Clark College , in Vancouver Washington. Having taught college classes since 2006, my path has not been a straight one: BS in Mathematics, MA in Mathematics, working at a few textbook publishers, teaching at seven different colleges, trying out instructional design at a new online college, starting my own business, closing my own business, and (amazingly) now find myself at the second-largest community college in Washington. I taught a couple summer classes to ease into the position, and everything feels right. All my past mistakes have remade themselves into current success. My courses are well designed, have a clear structure and purpose, and I feel confident in the pedagogical and andragogical decisions I make. At the same time I am looking forward to the tenure process and sharing