-identify shapes based on their defining attributes.
-build shapes with defining attributes.
-draw shapes with defining attributes.
-sort shapes by their defining attributes.
-recognize when an attribute is non-defining.
-use two or more 2-D shapes to create new shapes (e.g., put triangles together to make a rhombus or a hexagon).
-use two or more 3-D shapes to create new shapes (e.g., combine two right triangular prisms to create a right rectangular prism).
-make new shapes from composite shapes.
-recognize what shapes are used to make composite shapes.
-partition circles and rectangles into two and four equal shares.
-describe equal shares as halves, fourths, or quarters.
-use the phrases half of, fourth of, or quarter of.
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