Mathematics
Geometry
Conceptual
6–7 yrs
2-D faces on 3-D shapes
三维图形的二维面
Description
Identify 2-D shapes on the surface of 3-D shapes (e.g. a circle on a cylinder, a triangle on a pyramid)
Mastery Evidence
- Point out a circular face on a cylinder or cone
- Identify triangular faces on a pyramid
- Recognise that the faces of 3-D shapes are 2-D shapes
Assessment Prompt
Can your child look at a 3-D shape and name the 2-D shapes on its faces — for example, saying a cylinder has circles on the ends and a rectangle wrapped round the side?
Prerequisites 3
2-D shapes
必须能够识别二维图形，才能在三维物体表面识别它们
Flat vs Solid Shapes
必须理解二维与三维的区别，才能在三维物体表面识别二维图形
3-D shapes
必须能够识别三维图形，才能对其表面进行研究
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