Lines of symmetry for circles

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Resource ID#: 43277 Primary Type: Problem-Solving Task
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This is an instructional task that gives students a chance to reason about lines of symmetry and discover that a circle has an an infinite number of lines of symmetry. Even though the concept of an infinite number of lines is fairly abstract, fourth graders can understand infinity in an informal way.

General Information

Subject(s): Mathematics
Grade Level(s): 4
Intended Audience: Educators educators, Students , Parents
Keywords: Lines of symmetry for circles, lines, symmetry, circles, cpalms, icpalms, illustrativemathematics.org, illustrative mathematics, tasks, mathematics, math, resource, free, freely available, problems-based learning, student activities, Florida Standards
Instructional Component Type(s): Problem-Solving Task
Resource Collection: Illustrative Mathematics

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