This is the most intricate performance task I have ever produced. However, it has been well worth the 40+ hours spent creating, refining and correcting! Although this activity stretches their thinking, students gain so much from this activity. I use this activity at the end of our Systems of Linear Equations unit as a review before their test, but each year I walk away with far more accomplished than just a review. This project, in many cases, has been a turning point in my students becoming thi