Function, function, what is your notation. Introduce your class to function notation with a video that shows examples of how to evaluate functions at numerical values along with algebraic values. The last example shows pupils how they can write two functions using function notation.

Concepts

function notation, functions, evaluating expressions, linear functions, inputs, composite functions, substitution

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Additional Tags

math

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Instructional Ideas

• Provide the class with problems for individual practice
• Allow a group of pupils to watch the video and share with the class what they learned

Classroom Considerations

• Composition is usually not in an Algebra I class, and it is also covered in another standard HSF-BF.A.1c
• The concepts within the resource also combine the standard HSF-IF.A.2

• This video is hosted on YouTube

Pros

• The video makes the connection between equations and functions
• The presenter works through several examples that progress in difficulty

Cons

• None

Common Core

HSF-IF.A.1