Standards with the same topic and subject but for other grades
Describing the shares using the words halves, thirds, half of, a third of, etc.
Understand that attributes belonging to a category of two-dimensional figures also belong to all subcategories of that category.
Use attributes of quadrilaterals to classify rhombuses, rectangles, and squares. Understand that the 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.
Partition rectangles, regular polygons, and circles into parts with equal areas. Express the area of each part as a unit fraction of the whole.
Classify polygons in a hierarchy based on properties.
Analyze and compare two- and three-dimensional shapes, using informal language to describe their similarities, differences, and attributes.
Identify shapes as two-dimensional or three-dimensional.
Correctly name shapes regardless of their orientations or overall size.
Recognizing that equal shares of identical wholes need not have the same shape.
Describing the whole as two halves, three thirds, four fourths.