Lesson plan

Determining increasing or decreasing constant rate by examining a graph

teaches Common Core State Standards CCSS.Math.Content.8.F.B.5 http://corestandards.org/Math/Content/8/F/B/5

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Big Ideas: A positive constant rate of change is shown in a graph by a line going ‘up’. A negative constant rate of change can be seen in a graph with a line going ‘down’. This lesson is the sixth in a series of ten which address prior knowledge and introductory skill relating to increasing or decreasing linear functions. This lesson provides students an opportunity to inspect various linear graphs and determine if they represent an increase or decrease in the constant rate of change. Mathematical understandings include that mathematical relationships can be represented and analyzed using words, tables, graphs, and equations as well as that the graph of a relation can be analyzed to determine if the relation is a function. Vocabulary: coordinate points, x axis, y axis, linear, nonlinear, function, increase, decrease Special Materials: Copies of task for students who need printed notes as designated in 504 plans and/or IEP. Function Fold-able created in Unit Launch