South Carolina Standards & Learning
SC.PS. South Carolina College- and Career-Ready Mathematical Process Standards
PS.6. Communicate mathematically and approach mathematical situations with precision.
PS.6c. Use appropriate and precise mathematical language.
5.G.3. Understand that attributes belonging to a category of two-dimensional figures also belong to all subcategories of that category.
5.G.4. Classify two-dimensional figures in a hierarchy based on their attributes.