"If others would but reflect on mathematical truths as deeply and as continuously as I have, they would make my discoveries." - Carl Friedrich Gauss
April 3, 2013
I introduced log rules in a novel way in my precalculus class today. As a bit of important background, the idea of logs was not new to these students. We’d done extensive work with logs back in the fall when we were focused on learning Read more…
February 8, 2013
This worksheet is made up of a collection of graphs of polynomial and rational functions, challenging students to observe key features and come up with an equation for each. solutions
January 26, 2013
These are the functions that I think precalculus students ought to come to know very very well. Early in the year, I spend five minutes of class having students fill out as much of the first page as they can and then I collect them (but Read more…
A worksheet which gives algebra or precalculus students practice in reading and applying mathematical definitions and thinking about functions presented in various modes Word version
To make groups of 3, cut up these cards, have each student pick one and then find the two others who have the same quadratic function. (Use the Word version to create more rows if you have more than 18 students. I used Wolfram Alpha Read more…
A PowerPoint presentation on Solving Polynomial Equations by Factoring. (Use PowerPoint’s pen tool on an interactive white board to solve the problems on the screen.)