RATE OF CHANGE

Rate of Change
Rate of change is one of the most important applications of mathematical slope in the real world. Students must recognize positive slopes represent increases, and negative slopes represent decreases of the function. Furthermore, they must understand the steeper the slope, the more quickly or more significantly the change is occurring.
Develop an original response to the following prompts:
Locate or outline a new-to-you student activity regarding the concept of rate of change. Specify the stage in the unit or lesson cycle this activity could be used (introduction, practice, extension, assessment, etc.) Some possible resources are linked on the Learning Objects page.
How does the activity build student reasoning abut slope?

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