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Unit Plan

Ck 12: Elem Math: Count the Number of Different 2 D Shapes in a Composite Figure

Curated by ACT

[Free Registration/Login may be required to access all resource tools.] The video defines a composite figure and describes how to determine how many triangles are within the given composite shape. The video is followed by practice problems.

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CCSS: Adaptable
Additional Tags
composite shapes, elementary math, ck-12, ck12, triangle, plane figures (2d shapes)
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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 4.G.A.3