These activities make teaching algebra concepts easy for you and enjoyable for your students! Based on the NCTM Standards, each book offers age-appropriate activities that teach the basics in algebra: working with patterns, making generalizations, understanding variables and equations, and finding unknowns. Each concept is introduced concretely, followed by other activities to take learning to the symbolic level. Includes user-friendly guidelines for developing algebraic thinking and understanding at each grade level. Reproducible.