Learning goals: Teacher Facing Generate an equation for a proportional relationship, given a description of the situation but no table. Interpret (orally) each part of an equation that represents a proportional relationship in an unfamiliar context. Use an equation to solve problems involving a proportional relationship, and explain (orally) the reasoning. Full lesson plan (warm-up, activities, synthesis, cool-down prompt) from 7.2 Introducing Proportional Relationships, Grade 7.