Shrinking Candles, Running Water, Folding Boxes
http://illuminations.nctm.org/LessonDetail.aspx?ID=L300
A lesson plan for grades 9–12 Mathematics
This Illuminations lesson allows students to look for functions within a given set of data. After analyzing the data, the students should be able to determine the type of function that represents the data.
Teachers could easily use some data sets in this activity and not others. This lesson is a good review of using various functions to model data.



