Give your students a chance to slow down, think critically, and talk about math that actually matters. This error analysis gallery walk is packed with real-world measurement and percent-based problems—each one featuring “student work” that might be right... or very, very wrong. Their job? Figure it out. Students move around the room, decide if the work is correct, and explain the reasoning (or the mistake). It's hands-on, discussion-based, and way more engaging than a worksheet. This resource c