So, Michael Desharnais and Giselle Ferraro from Port Chester Schools put together a simply amazing graphing calculator resource guide for the Common Core Algebra exams in New York state. Granted, it is mostly geared towards CC Algebra I calculator skills, but I wouldn’t hesitate for a second to give it to my CC Algebra II kids as well. It has everything in terms of button by button directions. Here’s a good example from statistics. Click… Read more »
Month: February 2016
Hard Decision
Posted onThis week I made a really hard decision. It wasn’t whether I should extend my projectile modeling lesson from one day to two. It wasn’t whether I should combine motion and related rates of change on a single quiz. Those are easy decisions to make in the day to day life of a teacher. No. The choice I have been facing for some time now is whether I could continue to be a math teacher… Read more »
Bounding Curve to a Simple Childhood Doodle
Posted onSo, recently I posted one of my favorite Desmos graphs ever. Since I was in middle school, I’ve been drawing those doodles where you connect points on a y-axis with points on an x-axis in the following way: I loved this as a kid because the more lines I drew, the more the boundary looked like a smooth curve, even though I knew it was created by straight lines. You can experiment with it on… Read more »