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        Geometry and Spatial Relations: Mirror, Mirror

        Using this resource group, teachers can focus on the topic of geometry and spatial relations through the use of spatial reasoning to determine which regular polygons will tessellate. This resource group is part of the Mathline Elementary School Math Project.

        Geometry and Spatial Relations: Mirror, Mirror | Video

        In this professional development video, teachers focus on the topic of geometry and spatial relations by having students use spatial reasoning to determine which regular polygons will tessellate. This video can be used in conjunction with the "Mirror, Mirror" lesson plan.

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        Geometry and Spatial Relations: Mirror, Mirror | Excerpt

        Watch as 5th-grade students collaborate in small groups using paper polygons to form generalizations about why certain polygons tessellate. This video can be used in connection with the "Mirror Mirror" lesson plan.

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