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Subject Area - CC.2:
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.

  • Assessment Anchor - G.1.2

    Properties of Polygons and Polyhedra

    • Anchor Descriptor - G.1.2.1 Recognize and/or apply properties of angles, polygons and polyhedra.
      • Eligible Content - G.1.2.1.1 Identify and/or use properties of triangles
      • Eligible Content - G.1.2.1.2 Identify and/or use properties of quadrilaterals
      • Eligible 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 polygons
      • Eligible Content - G.1.2.1.5 Identify and/or use properties of pyramids and prisms.
  • Assessment Anchor - G.2.2

    Measurements of Two-Dimensional Shapes and Figures

    • Anchor Descriptor - G.2.2.1 Use and/or compare measurements of angles.
      • 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.
    • 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.)
      • 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.
    • Anchor Descriptor - G.2.2.3 Describe how a change in one dimension of a 2-dimensional figure affects other measurements of that figure.
      • 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?).
    • Anchor Descriptor - G.2.2.4 Apply probability to practical situations.
      • Eligible Content - G.2.2.4.1 Use area models to find probabilities.
  • Assessment Anchor - M08.C-G.1 Demonstrate an understanding of geometric transformations.
    • Anchor Descriptor - M08.C-G.1.1 Apply properties of geometric transformations to verify congruence or similarity.
      • 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.
      • Eligible Content - M08.C-G.1.1.2 Given two congruent figures, describe a sequence of transformations that exhibits the congruence between them.
      • 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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