Circle Folding

This Circle Folding lesson plan also includes:

Your young mathematiciaans collaboratively brainstorm the geometric properties of a circle in this vocabulary rich, geometry lesson plan. Step by step a plethora of properties and shapes emerge as learners fold their circles to create and define many geometric vocabulary terms. Symmetry, diameter, parallel, vertex and polyhedron are but a few of the ideas explored.

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CCSS: Adaptable
Instructional Ideas

  • Instruct students to use their interactive notebook, foldable, or regular math notebook to record their discoveries, especially all of the vocabulary. As homework, have them finish defining and illustrating the vocabulary in their notebook

  • Teach some of your advanced learners how to cut out the circle and have them teach the rest of the class on the day you do this lesson.

Classroom Considerations

  • Prepare some circles ahead of time for learners who have a hard time cutting their own


  • Extended learning suggestions are scattered throughout the lesson for learners who feel like they are in a circle holding pattern while others are catching up


  • None
Common Core