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|Michael Pershan, editor|
|Compilation, analysis, and discussion of the mathematical errors that students make. Pershan, who teaches high school math in New York City, has posted a new error on this blog every day since June, 2012.|
|Levels:||Middle School (6-8), High School (9-12)|
|Resource Types:||Web-Based Discussions|
|Math Topics:||Basic Algebra, Euclidean Plane Geometry, Pre-Calculus|
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