Which acts are missing? What media or information would you need to gather to turn these partial stories into complete math problems?
Proportion / Ratio
Whenever I’m sitting in your seat, sitting through some kind of professional development, I often feel a burning, secret skepticism, something that I keep to myself. I’m inviting you here to make that skepticism or question known (anonymously) to the rest of us.
How could you change these modeling textbook tasks with three acts so that your students were doing the modeling rather than their textbooks?