The Mystery Line

This The Mystery Line activity also includes:

Take the mystery out of linear functions. Provided an image with no scale, learners guess where the line that connects them might cross the y-axis. After providing the coordinates of the points, they realize scale is an important characteristic of the graph. They then make calculations to determine the location of the y-intercept.

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CCSS: Designed
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Instructional Ideas
  • Include during a unit on linear equations
  • Create a document for pupils to provide their solution methods and solutions
Classroom Considerations
  • Uses prior knowledge of writing linear equations
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