Independent and Dependent Variables can be a difficult concept for students to grasp when used mathematically. Your students will enjoy practicing this concept with a fun, hands - on activity that requires very little teacher set- up. Just provide your students with the activity directions, sample poster, and necessary materials (glue, magazines, newspapers, posters, etc.) at a center, and watch them learn! This activity is aligned with the Common Core State Standard mathematical practices that require students to model, reason, and justify their opinions.