Reflection on Pythagorean Thoerem Lesson & Comprehensible Input
Last week (week of Feb 24) we wrapped up our unit on the Pythagorean Theorem. We spent a good deal of time reviewing key vocabulary, predominantly "leg," "hypotenuse" and "square root." I found myself intentionally adjusting my speech when making sure to use the proper vocabulary word, while sometimes I find myself rapidly thinking out loud during more basic explanations. For example, I don't worry too much about slowing my speech when I say, "I'm going to add 2 and 3." I say it as fast as I can write it on my screen. But by the end of the unit, I had found a cadence with saying at a specific tempo, "A squared plus b squared...calculate...take your square root...round correctly," and students were building fluency by those repeated instructions. I digress. So I presented them with this question: "On the coordinate plane, what is the length of the line segment that connects points at (-1, 0), and (6, 2)?" I displaye...