Dilation of a Line: Center on the Line

Assessing progress is easy using a quick quiz focused on dilations with the center on the line! Geometry geniuses graph the images of points resulting from a dilation with a center point. Then, they must describe the relationship between the line and its image. The handy rubric is full of additional activities to further gauge their understanding.

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CCSS: Designed
Instructional Ideas

  • The resource makes a great exit ticket  perfect for finishing out the day
Classroom Considerations

  • Prior knowledge of dilations, scale factors, and points is necessary to complete the task
  • Provide each pupil with a straightedge

  • Rubric contains strategies to overcome common mistakes and misconceptions
  • Directions are written very concisely to ensure the class understands exactly what is expected

  • None