About This Lesson
Ratios; equations; graphs and tables of values for 5 different relationships; 4 of which are directly proportional. Suggest that students start by matching the tables of values to the graphs. Then let them work out how the ratios and equations are related to these. y = x squared is included to compare a non-directly proportional relationship. (Extension: how does the slope of the graph fit in?)
Thank you, just what I was looking for!