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Student Instructions
1. Click 
2. Use 
to circle all the snowflakes that contain problems where you need to ungroup.
3. Click 
Teacher Notes (not visible to students)
In this activity, students will use subtraction skills to determine whether or not they need to ungroup a hundred or a ten to solve the problem. This activity is related to MN math standards 2.1.2.2 and 2.1.2.4. Other standards: 2.PVO.1, 2.PVO.1.a, 2.PVO.7, 2.PVO.9
