"If others would but reflect on mathematical truths as deeply and as continuously as I have, they would make my discoveries." - Carl Friedrich Gauss
January 9, 2016
I thoroughly enjoyed using an activity I created using Desmos Activity Builder over the course of the past couple of days with my precalculus students to help them think in new ways about quadratic functions. These are intelligent people who have graphed plenty of parabolas and solved plenty Read more…
January 26, 2013
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.)