Make Math Moments Academy › Forums › Mini-Course Reflections › The Concept Holding Your Students Back › Lesson 4-2: Where Comparison Lives In Additive Thinking – Discussion › Reply To: Lesson 4-2: Where Comparison Lives In Additive Thinking – Discussion
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Great wonder! My thinking is that it would be passive and you’d be finding the difference since the two quantities are just “there” and you’re comparing them – not actively bringing quantities in or out of the scenario.