Lesson plan

Interpret statements that use function notation by exploring different contexts

teaches Common Core State Standards CCSS.Math.Content.HSF-IF.A.2 http://corestandards.org/Math/Content/HSF/IF/A/2

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Big Ideas: To determine the meaning of a function in function notation, use the inputs and outputs assigned to the situation. Function notation means different things in different contexts. In this lesson, students extend the knowledge they built in grade 8 of interpreting parts of a function in terms of the situation it represents. Namely, the rate of change and initial value of a linear function. The focus now broadens to function notation in general as students interpret the notation in terms of a context. This lesson helps set the stage for work in F.BF.1 as students write functions that describe relationships between quantities. Special Materials: none