Georgia standard · Mathematics

`3.GSR.6`Polygon Attributes & Symmetry

Identify the attributes of polygons, including parallel segments, perpendicular segments, right angles, and symmetry.

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Expectations

3.GSR.6.1
Identify perpendicular line segments, parallel line segments, and right angles, identify these in polygons, and solve problems involving parallel line segments, perpendicular line segments, and right angles.
3.GSR.6.2
Classify, compare, and contrast polygons, with a focus on quadrilaterals, based on properties. Analyze specific 3-dimensional figures to identify and describe quadrilaterals as faces of these figures.
3.GSR.6.3
Identify lines of symmetry in polygons.

Mathematics Grade 3 (EOG) · Geometric & Spatial Reasoning
Identify the attributes of polygons, including parallel segments, perpendicular segments, right angles, and symmetry.
about 10% of the test · 6 points

Georgia's Achievement Level Descriptors. The levels are cumulative: each includes the ones before it. Proficient is on grade level.

Beginning: Given two line segments, determine whether the line segments are parallel or perpendicular. Identify quadrilaterals as faces of 3-dimensional figures.
Developing: Identify parallel and perpendicular line segments or right angles in polygons. Classify a given set of shapes as quadrilaterals based on their properties.
Proficient: Solve relevant problems involving polygons and 3-dimensional figures that have quadrilaterals as faces. Analyze specific 3-dimensional figures to identify and describe quadrilaterals as faces of these figures. Compare and contrast two quadrilaterals based on their properties, including parallel and perpendicular line segments, lines of symmetry, and right angles. Identify lines of symmetry in regular polygons.
Distinguished: Analyze 3-dimensional figures, and describe quadrilaterals as faces of these figures. Compare and contrast multiple quadrilaterals based on their properties, including parallel and perpendicular line segments, lines of symmetry, and right angles.