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Consolidating Shared Understandings: Proof and Argumentation K-8

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Lewis-Clark State College

500 8th Avenue

Lewiston, ID 83501

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Initiating students into a community of rich mathematical discourse centered on proof and argumentation is an essential element of making the vision of the Idaho Content Standards a reality for students. In contrast to the trivialized “school-type” activity where children are told, “use words, pictures, and symbols to show your work,” students need to engage in writing and revising arguments, as well as in reading and commenting on one another’s arguments.

In this two-day workshop, participants will explore how to support students to read and craft viable arguments and the development of this “proof-making” over the years through the following experiences:

  • Studying classroom video from across grades K-7 of teachers conferring to support the development of proof.

  • Deepening their own mathematical understanding as we explore the difference between just sharing a strategy to get an answer and the actual crafting of a viable argument to justify universal generalizations.

  • Exploring a developmental trajectory of deductive reasoning and how to support it.

  • Collaborating with teachers around our region who have been working on supporting students to develop and defend convincing arguments through lesson study.

Participants will leave excited to support students in this critical process of proof and argumentation with ideas, recommended instructional materials that enables these opportunities to come to fruition for students, and with strengthened relationships with colleagues that will last for years.

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Lewis-Clark State College

500 8th Avenue

Lewiston, ID 83501

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