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学生说明
1. Click the 
to begin working.
2. Move 
the objects to the ten frames.
3. Use the 
pen tool to write the number of each set of objects.
4. Move the star as directed for each page.
5. Click 
to turn in your work.
教师备注（学生不可见）
The students will identify, represent, and compare quantities up to 30. VA SOL MAT K.NS.2
