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Lines of Symmetry for Triangles Lesson PlanLines of Symmetry for Triangles Lesson Plan
Publisher
Illustrative Mathematics
Resource Details
Curator Rating
Educator Rating
Not yet Rated
Grade
3rd - 5th
Subjects
Math
3 more...
Resource Types
Activities & Projects
5 more...
Audience
For Teacher Use
Duration
30 mins
Instructional Strategies
Discussion
3 more...
Usage Permissions
Creative Commons
BY-NC-SA: 4.0
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Lesson Plan

Lines of Symmetry for Triangles

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This Lines of Symmetry for Triangles lesson plan also includes:
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What can symmetry tell us about triangles? After looking at four examples, learners will come to realize that lines of symmetry are different for equilateral, isosceles, and scalene triangles. Use this guided practice activity as an introduction to classifying triangles based on their side lengths.

82 Views 68 Downloads
CCSS: Designed

Concepts

symmetry, triangle classification, triangles

Additional Tags

classifying triangles, symmetrical shapes, asymmetrical shapes, math

Pros

  • Includes examples of equilateral, isosceles, and scalene triangles
  • Triangles are labeled with side lengths to facilitate their classification

Cons

  • Triangles are a little small if you plan on cutting them out for students to fold

Common Core

4.G.A.3 MP7

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