Access Point #: MAFS.912.G-CO.4.AP.12f (Archived Access Point)


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Construct a line parallel to a given line through a point not on the line.

Clarifications:

Essential Understandings

Concrete:

  • Using manipulatives (e.g., ruler, compass, protractor, straight edge, dynamic geometric software, etc.) to construct a line through a point that is parallel to the given line.

    7 step instructions for using manipulatives to construct a line through a point that is parallel to the given line.
Representation:
  • Understand the following concepts and vocabulary: parallel and plane.
  • Parallel lines are two lines on the same plane that never meet. They are always the same distance apart.
  • Youtube: Click Here

Number: MAFS.912.G-CO.4.AP.12f Category: Access Points
Date Adopted or Revised: 07/14 Cluster: Make geometric constructions. (Geometry - Supporting Cluster)

Clusters should not be sorted from Major to Supporting and then taught in that order. To do so would strip the coherence of the mathematical ideas and miss the opportunity to enhance the major work of the grade with the supporting clusters.

Related Standards

Name Description
MAFS.912.G-CO.4.12: Make formal geometric constructions with a variety of tools and methods (compass and straightedge, string, reflective devices, paper folding, dynamic geometric software, etc.). Copying a segment; copying an angle; bisecting a segment; bisecting an angle; constructing perpendicular lines, including the perpendicular bisector of a line segment; and constructing a line parallel to a given line through a point not on the line.




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