| Grade 2 |
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Standard 2.0 Knowledge of Geometry: Students will apply the properties of one-, two-, or three-dimensional geometric figures to describe, reason, or solve problems about shape, size, position, or motion of objects.
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A. Plane Geometric Figures
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1. Recognize and apply the properties/attributes of plane geometric figures
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a. Identify and describe sides and corners
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b. Identify and describe quadrilaterals such as: squares, rectangles, rhombi
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c. Identify and describe polygons by the number of sides such as: triangles, squares, rectangles, hexagons, octagons
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d. Combine and subdivide squares, triangles, and rectangles to identify a new shape
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B. Solid Geometric Figures
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1. Analyze the properties of solid geometric figures
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a. Compare two- and three-dimensional shapes such as: square to a cube, square and rectangle to a rectangular prism.
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C. Representation of Geometric Figures
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1. Represent plane geometric figures
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a. Sketch plane figures
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D. Congruence
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1. Compare congruent figures
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a. Describe congruent figures as having the same size and shape
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E. Transformations
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1. Recognize a transformation
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a. Apply visualization and spatial reasoning in activities such as: tangrams
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b. Identify and demonstrate slides, flips, and turns
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2. Analyze geometric figures and pictures
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a. Recognize that basic shapes have several lines of symmetry
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b. Demonstrate symmetry in basic shapes and pictures by drawing 2 lines of symmetry
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