棱、顶点和面
Edges, vertices, and faces
识别并描述立体图形的特征,包括棱、顶点和面的数量。
Identify and describe properties of 3-D shapes including the number of edges, vertices, and faces
学习证据 / Evidence
- 数出常见立体图形的棱、顶点和面
- 正确使用棱、顶点和面这些术语
- 根据特征描述立体图形(例如:正方体有6个面、12条棱、8个顶点)
- 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)
评估问题 / Assessment
{{name}}能数出正方体或三棱柱等立体图形的面、棱和顶点吗?
Can {{name}} count the faces, edges, and vertices of a 3-D shape like a cube or triangular prism?