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Visit this site: http://www.collaborativemathematics.org/

Author:Jason Ermer
Description: Videos for connecting "a worldwide community of mathematical problem solvers" and "cultivating a productive attitude toward challenging problems: one of creativity, resourcefulness, self-confidence, and perseverance." Two- and three-minute-long challenges have included "Multiply and Flip," "Finger Counting," and "Two-key Calculator." Ermer, who taught middle school before co-founding the Mathematics Teachers' Circle of Austin, has also blogged since September, 2013: "Learning from student 'mistakes,' part 1," "Handshakes, Diagonals, & the Multiplication Table," and more.

Levels: Middle School (6-8), High School (9-12)
Languages: English
Resource Types: Video, Web-Based Discussions, Daily/Weekly/Monthly Challenges
Math Topics: Basic Algebra, Basic Operations, Patterns/Relationships, Problem-Solving, Constructions
Math Ed Topics: Grouping/Cooperative Learning

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