What is it? High school math teacher Telannia Norfar describes two projects in her Algebra 2 classes. In one, students act as consultants to a local business analyzing its use of various social media. In the other, students advised an owner of carnival games on how to make the games more challenging by changing dimensions, throwing angles, distances, etc.
Why do we like it? One project creates a real-world context for learning exponential equations and how they contrast with linear equations, and the other went beyond the original goals - learning quadratics and parabolas - as students got deeply engaged.
How can you use it? These are good project ideas for math teachers, and it ends with some helpful thoughts on how many projects to do per year and the issue of "uncovering" content in math courses.