Standards Detail
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Subject Area - CC.2:
Mathematics
Mathematics
- Standard Area - CC.2.3: Geometry
- Grade Level - CC.2.3.8: GRADE 8
Standard - CC.2.3.8.A.2
Understand and apply congruence, similarity, and geometric transformations using various tools.
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Assessment Anchor - G.1.2
Properties of Polygons and Polyhedra
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Anchor Descriptor - G.1.2.1 Recognize and/or apply properties of angles, polygons and polyhedra.
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Eligible Content - G.1.2.1.1 Identify and/or use properties of trianglesEligible Content - G.1.2.1.2 Identify and/or use properties of quadrilateralsEligible Content - G.1.2.1.3 Identify and/or use properties of isosceles and equilateral triangles.Eligible Content - G.1.2.1.4 Identify and/or use properties of regular polygonsEligible Content - G.1.2.1.5 Identify and/or use properties of pyramids and prisms.
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Assessment Anchor - G.2.2
Measurements of Two-Dimensional Shapes and Figures
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Anchor Descriptor - G.2.2.1 Use and/or compare measurements of angles.
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Eligible Content - G.2.2.1.1 Use properties of angles formed by intersecting lines to find the measures of missing angles.Eligible Content - G.2.2.1.2 Use properties of angles formed when two parallel lines are cut by a transversal to find the measures of missing angles.
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Anchor Descriptor - G.2.2.2 Use and/or develop procedures to determine or describe measures of perimeter, circumference, and/or area. (May require conversions within the same system.)
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Eligible Content - G.2.2.2.1 Estimate area, perimeter or circumference of an irregular figure.Eligible Content - G.2.2.2.2 Find the measurement of a missing length given the perimeter, circumference, or area.Eligible Content - G.2.2.2.3 Find the side lengths of a polygon with a given perimeter to maximize the area of the polygon.Eligible Content - G.2.2.2.4 Develop and/or use strategies to estimate the area of a compound/composite figure.Eligible Content - G.2.2.2.5 Find the area of a sector of a circle.
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Anchor Descriptor - G.2.2.3 Describe how a change in one dimension of a 2-dimensional figure affects other measurements of that figure.
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Eligible Content - G.2.2.3.1 Describe how a change in the linear dimension of a figure affects its perimeter, circumference, and area. (e.g., How does changing the length of the radius of a circle affect the circumference of the circle?).
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Anchor Descriptor - G.2.2.4 Apply probability to practical situations.
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Eligible Content - G.2.2.4.1 Use area models to find probabilities.
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Assessment Anchor - M08.C-G.1 Demonstrate an understanding of geometric transformations.
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Anchor Descriptor - M08.C-G.1.1 Apply properties of geometric transformations to verify congruence or similarity.
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Eligible Content - M08.C-G.1.1.1 Identify and apply properties of rotations, reflections, and translations. Example: Angle measures are preserved in rotations, reflections, and translations.
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Alternate Eligible Content - M08.C-G.1.1.1a Identify a rotation, reflection, or translation of a two- or three-dimensional figure.
Alternate Eligible Content is designed for students assessed using the PA Alternate System of Assessment (PASA). Essentialized Example resources assist teachers in designing instruction that reduces content complexity while maintaining alignment to academic standards.
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Eligible Content - M08.C-G.1.1.2 Given two congruent figures, describe a sequence of transformations that exhibits the congruence between them.
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Alternate Eligible Content - M08.C-G.1.1.2a Identify figures that are congruent/similar.
Alternate Eligible Content is designed for students assessed using the PA Alternate System of Assessment (PASA). Essentialized Example resources assist teachers in designing instruction that reduces content complexity while maintaining alignment to academic standards.
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Eligible Content - M08.C-G.1.1.3 Describe the effect of dilations, translations, rotations, and reflections on two-dimensional figures using coordinates.Eligible Content - M08.C-G.1.1.4 Given two similar two-dimensional figures, describe a sequence of transformations that exhibits the similarity between them.
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