Slope Investigation

Context is the key to understanding slope. A real-world application of slope uses a weight loss scenario with a constant rate of change to introduce the concept of slope of a line, before it makes a connection to the ordered pairs and the slope formula. 

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CCSS: Designed
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Instructional Ideas
  • Use to introduce the concept of slope and using the slope formula
  • Allow pupils to use a graphing calculator to explore the relationships more efficiently
Classroom Considerations
  • The topic of weight loss may be a sensitive topic for some learners, particularly in middle school
  • Can be used with a variety of reading levels and varying levels of guidance
  • Incorporates a real-world example to improve understanding
  • Provides handout with key and a detailed teacher guide
  • Does not provide coordinate plane for questions that require graphing