During PLN time I found a couple of great ideas for upper level math. I even shared one with a colleague that I found in a New York Times article. It compares buying a house to renting the same house. It is a great comparison graphically because you can see how renting becomes an exponential function (more expensive). I also found some interesting items for geometry and calculus but I did not see many for Algebra 1. I feel that this primarily due to the nature of Algebra 1. The content is abstract and at a basic level.
I learned a lot actually from the webinar but I think that not getting caught up on the videos was what stands out the most. I know I have a tendency to be my own worst critic and a bit of a perfectionist. All of which makes the idea of recording myself teaching sound unappealing. I have mixed emotions about him not watching his own videos but I think ultimately he is right.
I am doing a lesson on the investigation of the effects of changing the slope and the y-intercept of an equation. Students will be using an Excel Spreadsheet that graphs linear functions with domain restrictions.
Aahh! Slope and y-intercept! This was always one of my favorite lessons to teach. I look forward to seeing what you have your students do in the lesson.
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