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Unit Plan

Ck 12: Elem Math: Counting the Number of Different 2 D Shapes in a Set of Figures

Curated by ACT

[Free Registration/Login may be required to access all resource tools.] The video defines a triangle by the number of sides and then determines which of the figures in the diagram are triangles. The video is followed by additional problems for students to practice the skills discussed in the video.

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CCSS: Adaptable
Concepts
triangles, polygons
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Additional Tags
elementary math, ck-12, ck12
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Classroom Considerations
  • Knovation Readability Score: 2 (1 low difficulty, 5 high difficulty)
  • The intended use for this resource is Instructional|practice
  • This resource is only available on an unencrypted HTTP website.It should be fine for general use, but don’t use it to share any personally identifiable information
Common Core
2.G.A.1