Lesson plan

Tell a story with graphs by analyzing key features of the graphs

teaches Common Core State Standards CCSS.Math.Content.HSF-IF.B.4 http://corestandards.org/Math/Content/HSF/IF/B/4
teaches Common Core State Standards CCSS.Math.Practice.MP2 http://corestandards.org/Math/Practice/MP2
teaches Common Core State Standards CCSS.Math.Practice.MP6 http://corestandards.org/Math/Practice/MP6

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Big Ideas: Graphs are one way to tell a story about functions and can paint a picture of what is happening a situation. Analyzing the key features of a graph as well as axis labels and units will help you understand the situation the graph is modeling. This lesson builds on interpreting functions that model a relationship between two quantities. The purpose is to show students that data and graphs are more than a collection of points, but that they tell a story, in this case it is the weather in a single location. The task has students reading a series of graphs that show multiple weather quantities--temperature, sunlight intensity and precipitation--all over the same time period. Students will interpret the graphs and identify key features of the graph in order to explain how they relate to each other. This builds toward understanding and applying functional relationships including increasing and decreasing values, positive, negative, intercepts and periodicity. Vocabulary: relationship, function, intercepts, relative maximum, relative minimum, symmetry, slope, periodicity