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学生说明
1) Create a 2D or 3D shape out of marshmallows and toothpicks/sticks.
2) Click 
to start.
3) Use the 
to take a photo of your creation.
4) On the lines, using a 
or 
, write in the number of vertices and edges your shape has.
5) Click 
to add to your journal.
教师备注（学生不可见）
you will need toothpicks/sticks and mini marshmallows for this activity
