Can you graph your story? Keep your classes interested by challenging them to graph a scenario and interpret the meaning of an intersection. Be sure they paty attention to the detail of a graph, including intercepts, slope, intersections, and intervals. Individuals understand the meaning of the intersection when they are able to relate it to the video or story.

Concepts

graphing systems of equations, piecewise functions, graphs interpreting

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Additional Tags

math

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Instructional Ideas

• Use as an introduction to linear systems
• Extend example one by asking how the graph would change if one person was walking faster or slower and how it affects the intersection point
• Write a description about each intersection point using context and specific units and measures

Classroom Considerations

• Using stairs may reinforce the common misconception that a line with a negative slope means a person is walking downhill; front load the concept of a distance vs. time graph to rectify this problem

Pros

• Well-designed lesson with introduction and conclusion activity
• All handouts and keys are included

Cons

• None

Common Core

HSN-Q.A.1 HSN-Q.A.2 HSN-Q.A.3 HSA-CED.A.2 MP1 MP3