Ohio Mathematics Academic Content Standards (2001)
Geometry and Spatial Sense Standard
Provide rationale for groupings and comparisons of two-dimensional figures and three-dimensional objects.
Principles and Standards for School Mathematics
Analyze characteristics and properties of two- and three-dimensional geometric shapes and develop mathematical arguments about geometric relationships
recognize, name, build, draw, compare, and sort two- and three-dimensional shapes;
identify, compare, and analyze attributes of two- and three-dimensional shapes and develop vocabulary to describe the attributes;