Geometry Module 4, Topic D, Lesson 13

math problem

Student Outcomes:

  • Using coordinates, students prove that the intersection of the medians of a triangle meet at a point that is two-thirds of the way along each median from the intersected vertex.
  • Using coordinates, students prove the diagonals of a parallelogram bisect one another and meet at the intersection of the segments joining the midpoints of opposite sides.

Downloadable Resources

Resources may contain links to sites external to the EngageNY.org website. These sites may not be within the jurisdiction of NYSED and in such cases NYSED is not responsible for its content.

Common Core Learning Standards

CCLS State Standard
G.GPE.4 Use coordinates to prove simple geometric theorems algebraically. For example, prove or disprove...
G.GPE.6 Find the point on a directed line segment between two given points that partitions the segment in a...

Curriculum Map