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Unit Plan

Ck 12: Elem Math: Count Rectangles, Square,s and Triangles in Composite Figures

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[Free Registration/Login may be required to access all resource tools.] The video defines a composite shape and shows how to determine the total number of triangles in the given shape. The video is followed by practice problems to assess student understanding of the concept.

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CCSS: Adaptable
Additional Tags
composite shapes, elementary math, ccss.math.content.1.g.a.2, ck-12, ck12, ck12: elem. math: count rectangles, square,s and triangles in composite figures, 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