Your students will enjoy working together to solve systems of linear equations using Elimination (Linear Combinations) in this engaging, collaborative activity! Designed with Peter Liljedahl’s Building Thinking Classrooms (BTC) framework in mind, this Thin Slicing Activity includes 17 questions divided into 3 differentiated challenge levels: Mild, Spicy, and Wicked Hot. Whether you're using it for cooperative group work, classwork, homework, review, or even a quiz, this versatile resource is