*By Kate Nowak*

*(co-authored with Kristin Gray)*

“Ultimately, the goal of this unit is to prepare students to make sense of situations involving equivalent ratios and solve problems flexibly and strategically, rather than to rely on a procedure (such as “set up a proportion and cross multiply”) without an understanding of the underlying mathematics.”

Illustrative Mathematics 6–8 Math, grade 6, unit 2, lesson 12