. Grade 8, Illustrative icon
Task

Reflecting reflections

Illustrative MathematicsVaries

The goal of this task is to give students an opportunity to experiment with reflections of triangles on a coordinate grid. Students are not prompted in the question to list the coordinates of the different triangle vertices but this is a natural extension of the task. Another valid approach would use the geometry of the coordinate grid without making explicit reference to the coordinates of the triangle vertices. This approach is also valuable in preparation for the coordinate-free transformation approach to reflections which will be seen in high school.

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