Reflecting a Rectangle Over a Diagonal

The task is intended for instructional purposes and assumes that students know the properties of rigid transformations. Note that the vertices of the rectangles in question do not fall exactly at intersections of the horizontal and vertical lines on the grid. This means that students need to approximate and this provides an extra challenge. Also providing a challenge is the fact that the grids have been drawn so that they are aligned with the diagonal of the rectangles rather than being aligned with the vertical and horizontal directions of the page. However, this choice of grid also makes it easier to reason about the reflections.
Resource ID#: 42262 Type: Problem-Solving Task
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General Information

Subject(s): Mathematics
Grade Level(s): 8
Intended Audience: Educators educators, Students , Parents
Instructional Time: 20 Minute(s)
Keywords: Reflecting a rectangle over a diagonal, reflecting, rectangle, diagonal, cpalms, icpalms, illustrativemathematics.org, illustrative mathematics, tasks, mathematics, math, Florida standards, resource, free, freely available, problems-based learning, student activities
Instructional Component Type(s): Problem-Solving Task
Resource Collection: Illustrative Mathematics

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