Clip 12/17: Rate of Change: Lesson Part 2D
Antoinette Villarin reminds her student pairs that — once they are confident about a match between graphs — they should record their matches and explain their justification, ensuring that both partners in each student pair understand and can explain their reasoning.
Student pairs discuss and record their thinking on their record sheets. Antoinette circulates among the pairs and engages them in explaining their thinking — for example, reminding them to identify the starting situation to help guide them.
When you're teaching, you are really doing those [8 mathematical practices](http://www.insidemathematics.org/common-core-resources/mathematical-pra…) as well. When you tell students, we're focusing on this [practice], like attending to precision, you're also doing it for yourself, too, as an educator. The practices apply to both students and teachers because as the teacher, you are also a learner. Like, we're going to make sense of this together, because I'm also making sense of it as your teacher.
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