# Common Core Standards for High School Mathematics

By Amitra Schwols; Kathleen Dempsey et al. | Go to book overview

CHAPTER 5
Geometry
Each introduction to the different conceptual areas in the Common Core document contains helpful information, but the introduction to Geometry is particularly informative, so be sure to read it. It contains useful insights into the development of the Geometry section and explains the logical progression of concepts as laid out in the domain. In this chapter, we will lean heavily on the Geometry introduction as we review each domain, identifying the connections between mathematical content and mathematical practices and considering how the content differs and builds across grades and conceptual areas.The following domains appear within the conceptual category of Geometry (HSG):
 • Congruence (HSG-CO) • Similarity, Right Triangles, and Trigonometry (HSG-SRT) • Circles (HSG-C) • Expressing Geometric Properties with Equations (HSG-GPE) • Geometric Measurement and Dimension (HSG-GMD) • Modeling with Geometry (HSG-MG)

Taken together, these domains are designed to help students develop an understanding of geometric definitions, attributes, and reasoning. Unlike

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