Slope and Direct Variation

We all know linear equations are special, but the direct variation equation is extra special! The video begins with a set of data to illustrate a direct variation relationship. It then completes examples of writing direct variation equations from a graph.

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CCSS: Designed
Instructional Ideas

  • A substitute could use the video to facilitate a lesson on direct variation
  • Post the video for absent students or those needing extra instruction
Classroom Considerations

  • Requires Internet access to show or watch the YouTube video in the classroom
Pros

  • Varies the axis intervals when finding slope
Cons

  • Includes only minimal application and real-life examples
Common Core