Partition shapes into parts with equal areas and express the area of each part as a unit fraction of the whole.Recognize and draw shapes having specified attributes, such as a given number of angles or a given number of equal faces.Identify and classify quadrilaterals based on their properties, such as parallel and perpendicular sides, angles, and symmetry.Understand that shapes in different categories may share attributes and that the shared attributes can define a larger category.Understand that the perimeter of a polygon is equal to the sum of the lengths of its sides.Understand that the area of a rectangle is equal to the product of its length and width.Understand that rectangles can be decomposed into two congruent right triangles.
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