Instructional Video

Reflections

Curated and Reviewed by Lesson Planet

Reflect on your knowledge of reflections. Pupils watch a YouTube video to learn how to perform reflections of two-dimensional figures over a line. The resource includes examples with a reflection over a vertical line and over a diagonal line.

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CCSS: Adaptable
Additional Tags
Instructional Ideas
  • Use the video with learners struggling with reflections
Classroom Considerations
  • Note that the resource refers to the line of reflection as the mirror line
  • While the video shows figures on a grid, it does not use a coordinate system
Pros
  • Explanations are thorough
Cons
  • Does not use appropriate mathematical terminology (for example, the video uses A and a little dash rather than A prime)
Common Core