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Third Grade CCSS Progressions 3.G (Geometry) 2nd Progression 2.G.1 Recognize and draw shapes having specified attributes, such as a given number of angles or a given number of equal faces. Identify triangles, quadrilaterals, pentagons, hexagons, and cubes. 1 3rd Grade CCSS Standard(s) 3.G.1 (Unit 7) Understand that shapes in different categories (e.g. rhombuses, rectangles, and others) may share attributes (e.g.,having four sides) AND shared attributes can define a larger category (e.g., quadrilaterals). - Recognize rhombuses, rectangles, and squares as examples of quadrilaterals, AND draw examples of quadrilaterals that do not belong to any of these subcategories. Progressions 4th Grade CCSS 4.G.1 Draw points, lines, line segments, rays, angles (right, acute, obtuse), and perpendicular and parallel lines. Identify these in twodimensional figures. 4.G.2 Classify twodimensional figures based on the presence or absence of parallel or perpendicular lines, or the presence or absence of angles of a specified size. Recognize right triangles as a category, and identify right angles. 4.G.3 Recognize a line of symmetry for a twodimensional figure as a line across the figure such that the figure can be folded along the line into matching parts. Identify the line-symmetric figures and draw lines of symmetry. The number(s) in parenthesis behind each CCSS indicates the CCPS unit(s) in which the standard is located. See the instructional strategies and expectations in the Instructional Guide for each indicated unit prior to moving on to the next grade level standard. Third Grade CCSS Progressions 3.G (Geometry) 2nd Progression 2.G.3 Partition circles and rectangles into two, three, or four equal shares, describe the shares using the words halves, thirds, half of, a third of, etc. and describe the whole as two halves, three thirds, fourth fourths. Recognize that equal shares of identical wholes need not have the same shape. 3rd Grade CCSS 3.G.2 (Unit 3) Partition shapes into parts with equal areas. Express the area of each part as a unit fraction of the whole. Progressions See progressions for 3.NF(fractions) standards and 3.MD 57 (related to area) 4th Grade CCSS 4.MD.3 Apply the area and perimeter formulas for rectangles in real world and mathematical problems. For example, find the width of a rectangular room given the area of the flooring and the lengths, by viewing the area formula as a multiplication equation with an unknown factor. 2 The number(s) in parenthesis behind each CCSS indicates the CCPS unit(s) in which the standard is located. See the instructional strategies and expectations in the Instructional Guide for each indicated unit prior to moving on to the next grade level standard. Third Grade CCSS Progressions