Provides middle school math teachers with classroom activities to help students understand functions, a skill necessary for algebra. Features a strategy that will help students make the connection from the concrete to the abstract. The activity, Algebra Walk, starts the students in the classroom working with an equation to generate ordered pairs. Students then move outside and create a human graph. The Algebra Walk activity helps students with XY or Cartesian graphs. Explains how to make the manipulatives for this activity.