Student Level Proficiency Scale for Alabama Math Standard 4.6: Operations with Numbers: Base Ten: Using models and quantitative reasoning, explain that in a multi-digit whole number, a digit in any place represents ten times what it represents in the place to its right. This Proficiency Scale can be used to help students monitor their own learning. I would create a way to check each section for understanding to help students prove their learning as they work toward mastery. 3.0 is the mastery level for Proficiency Scales.