Georgia 3.GSR.6.2
The Standard
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.
Georgia's K-12 Mathematics Standards · Identify the attributes of polygons, including parallel segments, perpendicular segments, right angles, and symmetry.
Teacher's field guide
What This Standard Means
What Students Need to Do
- Students classify polygons using side lengths, angle types, parallel or perpendicular sides, and symmetry. They compare quadrilaterals using these properties and find quadrilateral faces on solid figures.
What Mastery Looks Like
- Students place one shape in every category that fits, such as classifying a square as a square, rectangle, rhombus, and parallelogram. They support each choice with side, angle, parallel line, or symmetry evidence. They correctly name and describe quadrilateral faces on solid figures.
Common Misconceptions
- Students may think a square is not a rectangle or rhombus. They may believe turning a shape changes its name, or confuse faces with edges on a solid figure. They may also identify parallel or perpendicular sides by appearance instead of checking their relationships.
How to Assess It
- Show a square, a non-square rectangle, a trapezoid, and a triangular prism. Ask students to classify each flat shape, name two properties, and identify every quadrilateral face on the prism.
Lesson moves
Ways to Teach It
Build quadrilaterals on geoboards, then mark parallel sides, right angles, and lines of symmetry with colored yarn.
Compare a square and a non-square rhombus, list shared properties, then write one property that distinguishes them.
Play Attribute Bingo by calling clues such as four right angles or two pairs of parallel sides.
Inspect cereal boxes and other packages, then sketch and label each quadrilateral face you find.
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Printable 3.GSR.6.2 Worksheet
A ready-to-print activity worksheet aligned to 3.GSR.6.2, with an answer key for the teacher on its own page. No account needed.
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Related Standards
- 4.GSR.8
Identify and draw geometric objects, classify polygons based on properties, and solve problems involving area and perimeter of rectangular figures.
- 5.GSR.8.1
Classify, compare, and contrast polygons based on properties.
- 4.GSR.8.2
Classify, compare, and contrast polygons based on lines of symmetry, the presence or absence of parallel or perpendicular line segments, or the presence or abse...
- K.GSR.8.1
Identify, sort, classify, analyze, and compare two- dimensional shapes and three-dimensional figures, in different sizes and orientations, using informal langua...
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