ten ideas for building understanding for slope or rate of change jim rahn [email protected]
TRANSCRIPT
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TEN IDEAS FOR BUILDING UNDERSTANDING FOR SLOPE OR RATE OF CHANGE
Jim Rahn
www.jamesrahn.com
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Ask your students to describe their understanding of slope.
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What might an initial lesson in slope look like?
Compare the steepness of lines
Idea 1
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How can we numerically describe the steepness or slope of a line?
Visualize the rate of change or the rise over the run
Idea 2
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Develop Rise over Run from Visuals
Idea 3
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Present Slope or Steepness of a Line in a Real World Context
Idea 4
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Calculate Rate of Change from Charts?
GBD5 GBD6
Idea 5
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Study Rates of Change in Different Tables for the Same Function
GBD7 GBD8
Idea 6
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I Have… Who Has… with Slope
Idea 7
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Use the Transformation App with Graphs
Idea 8
Use both graphs and transformations to understand rate of change
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Use the Transformation App with Graphs and Tables
Idea 9
Use both graphs and tables to understand rate of change
GBD 9
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Engage Students in Comparing Slopes
Idea 10
Collect data, analyze data, and compare rates of change or slope