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학생 지침
1. Click 
to add your response.
2. Use the 
tool to move the facts into the correct category.
3. Click 
to submit your work.
선생님 메모 (학생들에게는 보이지 않음)
Use this activity as a quick check for subtraction facts with addends 4-7. Students sort 16 facts into the correct categories. This activity utilizes the assessment feature so that students can check their work before or after submitting, depending your settings. This activity covers Minnesota standard 2.1.2.2
