First Big Proof Assessment #Teach180

Today was the official start of our two day proof based assessment for congruent triangles and CPCTC proofs. The students were nervous on Tuesday, and I could tell they were going to need a confidence boost, so I thought about a tweet from Howie I saw on twitter. He had students talk about a test w/o pencils, before a test and it has had good results from what I’ve seen in the #MTBoS people that have adopted it. So I did my version:

Students worked for 30 minutes, then they got 10 minutes to talk to a peer w/o a pencil about all the proofs they’d done at that point. Less than a minute into talking I could see students relaxing, feeling more confident in their work, and giving thoughtful feedback to their peers. #worthit

S

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