This lesson is designed to coincide with the Course 2 Glencoe 7th Grade Mathematics curriculum. This is Lesson 1-9 on Direct Variation. This lesson will explain what a direct variation is and how it compares with proportional relationships. This lesson includes what a direct variation looks like in the graph, table and equation. This lesson also includes some help with the vocabulary in the lesson. The vocabulary words include; direct variation, constant of proportionality and proportional