My students love activities where they get to move around and hold a clipboard (fascinating)! In this activity, students have to walk around the room to match an algebraic expression with it's simplified version. Students must distribute and collect like terms to simplify. The expressions also contain rational numbers, including signed fractions, mixed numbers, and decimals.
Not only is this activity engaging and active, but it also contains questions and matches that are designed to reveal the most common mistakes that students make when simplifying expressions. For example, if a student forgets to distribute a negative, there might be an option to match that is the result of that mistake. Also, the expressions are numbered and the answers are lettered, so all you need to look at is the number/letter combo to see what's wrong. This allows you to easily see which students are having certain struggles or making specific mistakes.
The file contains teacher and student directions, student worksheet, answer key with work, and 10 expression cards with their matches.