High School Geometry Proposed 2016 Standard 2011 Standard Rationale for Revision Revisions are in red text G.CO geometric theorems. geometric theorems and, when appropriate, the Edited to incorporate a footnote that clarifies the converse of theorems. focus and expectations of the standards in this Geometry cluster. G.CO.MA.11.a Prove theorems about Derive the formula for the relationship between the Edited to provide focus and coherence within the polygons. Theorems include: measures of number of sides, sums of the interior and sums of the standard and preserve the mathematical rigor. interior and exterior angles, properties of exterior angles of polygons, and apply to the solutions inscribed polygons. of mathematical and contextual problems. Prove theorems about polygons. Theorems include: measures of interior and exterior angle. properties of inscribed polygons. G.C.MA.3.a Derive the formula for the Standard The content in this standard was incorporated into relationship between the number of sides and standard G.CO.MA.11.A where it is more sums of the interior and sums of the exterior coherently aligned (Proving theorems about angles of polygons and apply to the solutions of polygons). mathematical and contextual problems. G.GPE.4 Use coordinates to prove simple Use coordinates to prove simple geometric theorems Edited to provide deeper focus of important and geometric theorems algebraically. For example, algebraically including the distance formula and its specific connections with other standards within prove or disprove that a figure defined by four relationship to the Pythagorean Theorem. For the Model Geometry course and preserve given points in the coordinate plane is a example, prove or disprove that a figure defined by mathematical rigor. rectangle; prove or disprove that the point (1, ) four given points in the coordinate plane is a lies on the circle centered at the origin and rectangle; prove or disprove that the point (1, ) lies on containing the point (0, 2).
High School Geometry 2011 Standard Proposed 2016 Standard Revisions are in red text Rationale for Revision G.CO geometric theorems. geometric theorems and, when appropriate, the converse of theorems. Edited to incorporate a footnote that clarifies the focus and expectations of the standards in this Geometry cluster. G.CO.MA.11.a Prove theorems about polygons. Theorems include: measures of interior and exterior angles, properties of inscribed polygons. Derive the formula for the relationship between the number of sides, sums of the interior and sums of the exterior angles of polygons, and apply to the solutions of mathematical and contextual problems. Prove theorems about polygons. Theorems include: measures of interior and exterior angle. properties of inscribed polygons. Edited to provide focus and coherence within the standard and preserve the mathematical rigor. G.C.MA.3.a Derive the formula for the relationship between the number of sides and sums of the interior and sums of the exterior angles of polygons and apply to the solutions of mathematical and contextual problems. Standard The content in this standard was incorporated into standard G.CO.MA.11.A where it is more coherently aligned (Proving theorems about polygons). G.GPE.4 Use coordinates to prove simple geometric theorems algebraically. For example, prove or disprove that a figure defined by four given points in the coordinate plane is a rectangle; prove or disprove that the point (1, ) lies on the circle centered at the origin and containing the point (0, 2). Use coordinates to prove simple geometric theorems algebraically including the distance formula and its relationship to the Pythagorean Theorem. For example, prove or disprove that a figure defined by four given points in the coordinate plane is a rectangle; prove or disprove that the point (1, ) lies on Edited to provide deeper focus of important and specific connections with other standards within the Model Geometry course and preserve mathematical rigor.
item1-6MathStandards-Draft.docx