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学生说明
Share what you already know about polyhedrons.
1. Tap 
to add to your journal
2. Take a 
of a collection of polyhedrons.
3. 
and/or 
to show what you already know about polyhedrons.
4. 
yourself reading the names and facts you have written.
5. 
to add to your journal.
教师备注（学生不可见）
The intention is for teachers to understand what students already know prior to commencing a geometry unit. Students in Year 2 are expected to: identifying geometric features such as the number of faces, corners or edges. (ACARA Mathematics)
