Best Fit Lines

What fits best? Pupils watch a video that reviews creating a scatter plot. Learners develop an understanding of correlation and determine whether it is moderate, strong, or none as well as positive or negative. Finally, they use a graphing calculator to find the equation of a curve of best fit to solve problems and use the problems in the worksheet to practice the new skills.

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CCSS: Designed
Instructional Ideas
  • Ask class members to find strange variables that show a strong correlation but no causation
Classroom Considerations
  • Requires learners to be able to plot on a coordinate plane to create a scatter plot
  • Serves as the second lesson in a four-part unit
  • This resource is only available on an unencrypted HTTP website. It should be fine for general use, but don’t use it to share any personally identifiable information
Pros
  • Includes an exit ticket to check for understanding
  • Contains an additional practice set to help with mastery
Cons
  • None