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Digital Portfolio Action: Summaries of an in class task

My students have been working on graphing linear equations. We start off using intercepts method and then use slope-intercept. We started the lesson Not So Fast from Mathalicious as it was a great way to build from writing and evaluating expressions to interpreting slopes and rates. They give the fee schedule for determining speeding tickets and have students figure out fines for different speeds in different speed limits.

They actually never graphed the equation on paper but jumped right to Desmos to compare the current speeding fine equation with their recommendation.

I have said this before, but what I love about blogging in math is they get a chance to discuss their reasoning in depth which is a plus for open ended problems like this one. We could share aloud in class. That contribution  though would easily blend in with the class. Instead, by blogging, their polished responses stand for them to look back upon over the course of the year.

Take a look at a few of their posts: