Mathematics
Geometry
Conceptual
5–6 yrs
Flat vs Solid Shapes
平面图形与立体图形
Description
Distinguish two-dimensional (flat) shapes from three-dimensional (solid) shapes
Mastery Evidence
- Sort shapes into 'flat' and 'solid' groups
- Explain that a circle is flat but a sphere is solid
- Identify whether a given shape is 2-D or 3-D
Assessment Prompt
Does your child understand the difference between a flat shape like a square and a solid shape like a cube — and can they sort everyday objects into flat or solid?
Unlocks 1
2-D faces on 3-D shapes
