Mathematics
Geometry
Conceptual
6–7 yrs
Edges, vertices, and faces
棱、顶点与面
Description
Identify and describe properties of 3-D shapes including the number of edges, vertices, and faces
Mastery Evidence
- Count the edges, vertices, and faces of common 3-D shapes
- Use the terms edge, vertex (vertices), and face correctly
- Describe a 3-D shape by its properties (e.g. a cube has 6 faces, 12 edges, 8 vertices)
Assessment Prompt
Can your child count the faces, edges, and vertices of a 3-D shape like a cube or triangular prism?
