Some of my students are taking an AVID class that happens to occur during my conference period, so occasionally I stop by. Now, linear equations can be written in a lot of different forms, but we only focus on three. These students were working on equations in point slope form: $$(y-y_0) = \frac{rise}{run}(x-x_0)$$ There was […]
Also tagged Lines, Reflection, Teaching
The pythagorean theorem expresses a nonintuitive relationship – that’s where a lot of its power comes from. Unfortunately, the way it is usually taught involves a formula (or two or even three depending on how it’s taught) and learning which numbers to plug in where. And it almost never sticks. This is the lesson I […]
Also tagged Lesson, PythagoreanI’ve noticed recently that I’ve been doing something almost subconsciously, and I want to start doing it some more intent. I’ve been doing this long enough that I’ve got an idea of where kids will get hung up, get frustrated, and quit. I haven’t found a way to force them through that in situ, but […]
Also tagged Graphing, Lesson, Lines
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