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Mathematics (2019) Grade(s): KG


Analyze and compare two- and three-dimensional shapes, in different sizes and orientations, using informal language to describe their similarities, differences, parts (number of sides and vertices or corners“) and other attributes.“


Example: having sides of equal length

Unpacked Content


Students know:
  • attributes of shapes (sides, corners, vertices, faces, edges, etc.).
  • Informal language to describe these components.


Students are able to:
  • Use geometric reasoning and attributes to compare and contrast a variety of shapes.


Students understand that:
  • geometric shapes can be grouped into classes of shapes that all seem to be alike based on their visual characteristics.


  • Attributes