Mathematical Practice 8:
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Module VocabularyWhen engaged in CCSS Mathematical Practice 8, "Look for and express regularity in repeated reasoning," you should observe students moving beyond just solving problems to get answers to finding ways to generalize the methods they use and to determining efficient methods for those procedures (NGA & CCSSO, 2010, p. 8).
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Lesson Presentation
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Collaborate and ReflectClick on the button below to interact with your colleagues about this Mathematical Practice.
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Extend Your UnderstandingWatch the video excerpt below to view an example of a teacher engaging students in looking for and expressing regularity in repeated reasoning.
In the closing of the group work on the first day, Humphreys’ students formulate their rules for the properties of quadrilateral “kites.” In this clip, a group of students defends their thinking to each other and reach a point of insight about the relationship between diagonals and their angles of intersection and the quadrilateral shapes that result. This clip is also indicative of Mathematical Practices 3, 6, and 7. |