Linear vs Nonlinear Equations– Desmos Building Thinking Classrooms Activity (Algebra 1)Help your Algebra 1 students discover what makes an equation linear or nonlinear using Desmos instead of memorizing a rule they’ll forget. This Building Thinking Classrooms (BTC) activity is a student-centered, discovery-based lesson where students test, graph, simplify, and justify equations to uncover the structure of linear vs nonlinear relationships on their own. No front-loaded notes.No formula dumping