Solve Equations with Variables on Both Sides

Initial Activity: “Which is heavier? A kilogram of nails or a kilogram of salt?” And that’s just the perfect introduction when I teach how to solve equations with variables on both sides.  Usually, my students are just getting good at solving one and two-step equations, and then… they are faced with variables on both sides!  […]

Describe and Sketch Qualitative Features of a Graph

When students can verbalize and describe a graph, they can also recognize features of a graph or a function. This is the first step for describing and sketching qualitative features of a graph. I used to show graphs and have question and answer sessions about what was happening in the graph.  I would ask questions […]