Introduction to Slope and y-intercept
How is slope related to rate of change?

 
     Slope of a line . . .


                                                         

This lesson plan will introduce the students to the concept of slope as a rate of change.
We will explore this through the investigation of the cost of 2 different cell plans. The students will understand the monthly service charge as the rate of change (or "slope") and the initial cell phone cost as the y-intercept.