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Lesson Planet
The abstract notion of domain and range can be troublesome. A math lesson explains the concept of determining domain and range from a graph. The instructor makes clear connections between the graph and the numeric values. There are 29 videos in this series on functions.
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CCSS:
Adaptable
Additional Tags
Instructional Ideas
- Instruct pupils to watch the video, and then give them problems to complete in collaborative groups
- Record answers on the board to check for understanding
Classroom Considerations
- The lesson requires Internet access to watch a YouTube video
- An understanding of interval notation is required
- There are 29 videos in the series on functions
- This video is hosted on YouTube
Pros
- The video uses color aids in the explanation of the domain and range and breaks up the information into manageable parts
Cons
- Resource only uses one example; a variation in examples would be beneficial for a complete understanding of the concept