MA19.K.20
Identify shapes as two-dimensional (lying in a plane, flat“) or three-dimensional (“solid”).“
Identify shapes as two-dimensional (lying in a plane, flat“) or three-dimensional (“solid”).“
Unpacked Content
UP:MA19.K.20
Vocabulary
- Two dimensional
- Three dimensional
Knowledge
- Characteristics of 2D and 3D shapes.
Skills
- Use geometric reasoning and visual characteristics of shapes to designate shapes as 2D or 3D.
Understanding
- geometrics shapes can be grouped into classes of 2D or 3D shapes based on their physical characteristics.