It is that time of year: PBAT season for a lot of courses at my school, Algebra 1 included. Every year my students learn all about data, scatter plots, lines of best fit, and residuals during class, after which they research their own question and present the data they collect in a small group roundtable. One component of this is to ensure students demonstrate mastery on a variety of skills before they are allowed to present - thus solidifying their knowledge and making sure they can have these skills in their back pockets. I am pleased that this class is so far along, despite only having worked on these items for four days!
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