These three worksheets, labeled Part One, Two, and Three, get progressively more involved and difficult. Part One asked students to understand the parts and pieces of exponential functions; the starting value, the growth or decay factor, and the time interval. It also tests their ability to understand why, how, when, and what to add to or subtract from "1" in order to find the growth or decay factor. I use this first worksheet as a quiz or graded classwork to gauge where my students are after