• Created by: by Alan Bass and Terrie Teegarden, San Diego Mesa College
• Type of activity: lecture, small group problem solving (paper and pencil)
• Course level: Beginning Algebra
• Topic: Slope and Rate of Change
• Materials: None
• Time required: 30 -40 minutes
• Description: Students create ordered pairs, graph depreciating car values, calculate rates of depreciation, then learn rate = slope
• Implementation notes (follow up/discussion questions, pedagogical recommendations, etc.): Students have a hard time following directions on this so it is a good idea to show them a sketch of what the graph should look like.  Maybe even show them the first set of ordered pairs..

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