MA19.K.21

Mathematics (2019) Grade(s): KG

MA19.K.21

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.“

Unpacked Content

Knowledge

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

Skills

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

Understanding

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

Vocabulary

  • Attributes

COS Examples

Example: having sides of equal length

Aligned Learning Resources

Welcome to the Tube Lobby: The Odd Squad
What's a Rectangle: Sesame Street
Edges, Faces, Vertices StudyJam
Calculating Pi with Darts | Physics Girl
Calculating Where Lines Intersect
Caring Is Sharing | Rise and Shine: Math Time
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