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Introduce the basics of evaluating a function using function notation with a video that makes connections between evaluating a function and substituting into an expression. The short presentation works through three examples of evaluating different functions at specific numerical values.
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CCSS:
Designed
Concepts
Additional Tags
Instructional Ideas
- Stop the video and have the class work the examples then restart the video as it works through the solution
- Use the video to introduce a lesson on evaluating functions for inputs in their domain
Classroom Considerations
- The class should be familiar with evaluating expressions at given values
- This video is hosted on YouTube
Pros
- When working out examples, the presentations highlight the steps taken to evaluate the function
- The chosen examples reinforce concepts learned earlier
Cons
- The alignment to the standard is not exactly correct; a better alignment would be HSF-IF.A.2