Creating Polygons from a Circle - Hands on Lesson

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Rulers and Pan Balances
828 Followers
Grade Levels
3rd - 10th, Homeschool
Subjects
Standards
Formats Included
  • Zip
Pages
37 pages
$4.00
$4.00
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  1. This bundle is designed to enrich and support your Geometry unit. There is a strong focus on angles, polygons - with an emphasis on triangles and quadrilaterals, identifying parallel and perpendicular lines in polygons, identifying lines of symmetry. My hands-on activity has students fold a circle i
    Price $15.00Original Price $24.00Save $9.00

Description

File has been updated to include a digital Google version. Students will need to print or trace a circle.

Students will engage in a powerful hands-on lesson to create, identify, and label key attributes of multiple polygons. In this lesson, students will be start will a circle and fold it into ten different polygons and a 3-d figure. This lesson can be used with students beginning in 3rd grade all the way through high school. For each polygon, you can gear the discussion to meet the needs of your students. I have used this lesson as an introduction to our geometry unit, to review terms taught in previous years, and as a review before testing. Students are always engaged in the creating of each new shape. I like to have students trace each polygon on their paper and write down key vocabulary.

This lesson is written to show you how I use it to address common core objectives in grades 3-5. Since my main focus is on identifying parallel and perpendicular lines, lines of symmetry, and types of angles, students label and identify those targets with each polygon. You can tailor the lesson to meet the needs of your students.

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Total Pages
37 pages
Answer Key
Included
Teaching Duration
45 minutes
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Standards

to see state-specific standards (only available in the US).
Understand that shapes in different categories (e.g., rhombuses, rectangles, and others) may share attributes (e.g., having four sides), and that the shared attributes can define a larger category (e.g., quadrilaterals). Recognize rhombuses, rectangles, and squares as examples of quadrilaterals, and draw examples of quadrilaterals that do not belong to any of these subcategories.
Draw points, lines, line segments, rays, angles (right, acute, obtuse), and perpendicular and parallel lines. Identify these in two-dimensional figures.
Classify two-dimensional figures based on the presence or absence of parallel or perpendicular lines, or the presence or absence of angles of a specified size. Recognize right triangles as a category, and identify right triangles.
Understand that attributes belonging to a category of two-dimensional figures also belong to all subcategories of that category. For example, all rectangles have four right angles and squares are rectangles, so all squares have four right angles.
Find the area of right triangles, other triangles, special quadrilaterals, and polygons by composing into rectangles or decomposing into triangles and other shapes; apply these techniques in the context of solving real-world and mathematical problems.

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