Transform your algebra instruction with this Building Thinking Classrooms (BTC) inspired lesson! This resource is designed to get students out of their seats, collaborating at vertical whiteboards, and thinking critically through a carefully sequenced set of "thin-sliced" problems. What’s Included:Thin-Sliced Task Sequence: A series of 10+ problems that start with simple, intuitive steps and gradually increase in complexity (including negatives, flipped constants, and distributing).Pre-Knowledge