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David Marain  
Math investigations, challenges, problems of the day, and standardized test practice that emphasize the development of conceptual understanding in mathematics. Marain's blog, which dates back December of 2006, also features dialogue on issues in mathematics education with a focus on standards, assessment, and pedagogy primarily at the 712 level through AP Calculus. Posts have included "Thoughts on StayatHome Moms vs Preschool," "Reply to Euclidean geometry/Proof Question on Math," "A Special Case of the Random Triangle Problem," "Singapore Math Part III (Info from the 'Source')," "Multiple Representations (Rule of 4) in Algebra 2," "A Geometry Tribute to Cinco de Mayo," "Thank You, Prof. Escalante," "PiSquared over 6: The Algebraic Genius of Euler," "Using WarmUps in Middle School/HS to Develop Thinking and Review/Apply Skills," and "How Much Factoring in 1st Year Algebra?" Marain recently retired after 30 years in math education and supervision, having served as an Advanced Placement Calculus (BC) teacher, K5 Chair of New Jersey Math Content Standards and Curriculum Frameworks, and member of Math Item Review Committee for New Jersey High School Proficiency Assessment.  


Levels:  Elementary, Middle School (68), High School (912), College 
Languages:  English 
Resource Types:  Problems/Puzzles, WebBased Discussions 
Math Topics:  Basic Algebra, Arithmetic/Early Math, Calculus (Single Variable), Calculus (Multivariable), Discrete Math, Euclidean Plane Geometry, PreCalculus 
Math Ed Topics:  Assessment/Testing, General Programs/Approaches, MaterialsReviews/Recommendations, Specific Math Concepts/Techniques, Teaching Styles/Practices, Math Ed Research/Reform, Social Issues/Public Policy 
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