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学生说明
1. Click 
2. Use 
to measure each object with the ruler.
3. Use 
to type in the measurement of each object. Make sure to include a label.
4. Click 
教师备注（学生不可见）
This activity will test students' measurement skills. They will need to measure each object in centimeters and then identity the correct measurement. This activity utilizes the short answer assessment tool. This activity covers MN second grade math standard: 2.3.2.2
