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Instructional Video

Determining Domain and Range

Curated and Reviewed by Lesson Planet

Introduce the concept of domain and range with a video that starts with the formal definitions of the domain and range and moves on to the practical descriptions used to determine them. The presentation explains how to find the domain and range from discrete and continuous data.

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CCSS: Designed
Concepts
functions, domain, range, independent variables, dependent variables, ordered pairs, set notation, intervals, compound inequalities
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Additional Tags
math
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Instructional Ideas
  • Stop the video before it gives the answers and have the class provide an answer
  • Provide a mini-lesson on interval notation prior to the video
Classroom Considerations
  • Not all of the examples are functions though the standard is about functions
  • This video is hosted on YouTube
Pros
  • The video provides examples using several different representations
  • The resource shows multiple ways to write the domain and range
Cons
  • The presenter calls the variable for the number of candy bars in the last example the cost
Common Core
HSF-IF.A.1