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In this 4.G.3 Fourth Grade Common Core Lesson, students recognize a line of symmetry for a two-dimensional figure as a line across the figure such that the figure can be folded along the line into matching parts.
In this 4.G.1 Fourth Grade Common Core Lesson, students identify points, lines, line segments, rays, angles, perpendicular and parallel lines.
In this 4.G.2 Fourth Grade Common Core Lesson, students classify shapes based on presence or absence of specific lines and angles.


