In a first-grade class, the students have been working with manipulative materials and pictures as they investigate the concept of addition. through both formative and summative assessments, the teacher has determined that the students are ready to move to more abstract (pencil and paper) ways to represent addition. how should she begin this process?
she should begin by giving them a 2 hour lecture on quantum physics and abstract algebra so they have a rough idea on how numbers work.
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