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Unit Plan

Ck 12: Elem Math: Counting Straight Lines and Curves in Various Shapes

Curated by ACT

[Free Registration/Login may be required to access all resource tools.] The video shows how to count the number of straight lines and curves in a given 2D figure. The video is followed by practice problems.

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CCSS: Adaptable
Concepts
curves, straight lines
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Additional Tags
elementary math, 2d shapes, ck-12, ck12, 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
Common Core
4.G.A.3