 freemathtexts.org  Alain Schremmer
Original texts that emphasize a very few but very powerful ideas; appeal to common sense and make no assumption of any kind about the students; and focus on helping readers convince themselves about mathematics. Written for use in developmental mathematics
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 gealgerobophysiculus  Evan Weinberg
Thoughts on teaching, learning, and "the crazy process of having fun doing both with students." Posts, which date back to September, 2011, have included "How China Keeps Me Learning: Part I," "Lens Ray Tracing in Geogebra," "Take Time to Tech – Perspectives
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 Gowers's Weblog  Timothy Gowers
Blog by a Cambridge University professor interested in analysis, combinatorics, arithmetic combinatorics, and "general questions about mathematics, and how it is discovered and transmitted  hence this blog." Posts, which date back to September, 2007
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 Guaranteach  Alasdair Trotter and George Tattersfield
Thousands of very short video lessons, recorded by dozens of different professional teachers whose methods and styles of teaching math vary widely. The diverse perspectives and "bitesize" chunks in Guaranteach's video library let viewers stay focused
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 Horizon Research, Inc.
A private research firm located in Chapel Hill, North Carolina, that specializes in work related to science and mathematics education. Recent project include Looking Inside the Classroom, A Study of K12 Mathematics and Science Education in the United
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 HungHsi Wu's Home Page  HungHsi Wu
Articles on the Common Core Mathematics Standards (CCSS) and math education in general, such as "The impact of Common Core Standards on the mathematics education of teachers," "Bringing the Common Core State Mathematics Standards to Life" (published in
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 I Choose Math  Justin Lanier
Blog by a high school teacher in Brooklyn Heights. Posts, which date back to August, 2011, have included "SBG: Affective Quizzing," "FreeChoice Time: Origins," "Introducing Proof Using Formal Systems," and "Math is Personal: A smOOC about Meaning, Sharing,
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 Illuminations  National Council of Teachers of Mathematics (NCTM)
Interactive resources for students and teachers based on NCTM's Principles and Standards for School Mathematics. The site is divided by grade band (PreK2, 35, 68, 912, and a crossband section). Each band contains the following topics: iMath Investigationsinteractive
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 Improving Measurement and Geometry in Elementary Schools (IMAGES)  Research for Better Schools (RBS)
Information and resources designed to help teachers develop a deeper understanding of geometry and measurement concepts and to assist in designing meaningful instruction for elementary students. Topics addressed include: cognitive and developmental issues;
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 Inclusion in Mathematics Education for Students with Disabilities
Presents facilitative strategies for math education for students with disabilities, especially AD/HD and learning disabilities. Most grade levels are appropriate for strategy applications.
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 Infinite Sums  Claydon
Blog by a high school math teacher in Houston, Texas, who "decided the corporate engineering world was not for me, so now I joke around with teenagers and teach them math. And soccer." Posts, which date back to June, 2011, have included "Standards Based
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 Infinite Tangents  Ashli Black
This "secondary mathematics education podcast for teachers," begun in March, 2013, invites other high school math teachers to respond to prompts such as "How do you start your teaching day?" and "What would you like to get done in the times between classes?"
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 Inside Mathematics
Classroom examples of innovative math teaching methods, insights into student learning, and instructional tools ready for immediate use. Adopt a schoolwide problemsolving theme with Inside Mathematics' Problems of the Month, each featuring video overviews,
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 The Insight Method of Teaching Math  Robert Frick
How and why to teach math via mental models, as articulated by a cognitive psychologist who describes the "learning is memory" approach as "a disaster and a tragedy." See, in particular, Frick's sample problems: reverse arithmetic, expressing patterns,
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 International Mathematical Virtual Institute  DMBL (Scientific Society of Mathematicians Banja Luka)
The International Mathematical Virtual Institute (IMVI) promotes communication, cooperation and collaboration in the Balkans, elsewhere in Europe, and worldwide on research in (pure and applied) mathematics, history and philosophy of mathematics, and
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 Iron Science Teacher  The Exploratorium
Watch RealPlayer webcasts of scientific and applied mathematical principles, as presented by high school teachers, in the style of the "Iron Chef" cooking show. "Secret" ingredients have included Playdough, fruitcake, pantyhose, eggs, ping pong balls,
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 Jo Boaler
From the author of What's Math Got to Do with It?: How Parents and Teachers Can Help Children Learn to Love Their Least Favorite Subject. Watch a YouTube clip of Boaler teach using Inquiry Based Learning method, or click through her presentation entitled
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 John Mason's Projects  John Mason
Projects by the author of Thinking Mathematically and former director of the Centre for Mathematics Education: Structured Variation Grids and other animations and applets; studies in algebraic thinking; mathematical explorations; MEMEs (Meaning Enquiry
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 Just Tell Me the Answer  "Never!"  Matt Owen
Blog by an algebra and physics teacher who believes students "have a real chance at understanding if I'm just willing to let them struggle." Posts, which date back to August, 2012, have included "Answering 'the Question,'" "Flipclass Reflections So Far,"
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 Kindergarten Connection  Carol Gossett
A network of educational resources and materials, including teacher tips (both practical and theoretical), lesson plans, and links, from the owner and author of Honey Pot Press. There are three math games in the lesson plan section.
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 Kitchen Table Math  Catherine Johnson
A collaborative weblog that began when Johnson's son "... finished out the school year with a 39 on his Unit 6 test, Fractions and Decimals.... Later on I discovered that fractions are the 'bottleneck' in elementary mathematics; lives are lost in the
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 Launchings  David Bressoud
This monthly column, sponsored by the Mathematical Association of America (MAA), originally aimed "to publicize and expand upon the CUPM Curriculum Guide 2004 and its two companions: the Curriculum Foundations Project, and the CUPM Illustrative Resources."
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 LEARN NC: The North Carolina Teachers' Network  Univ. of North Carolina at Chapel Hill School of Education
A collection of resources designed by experienced North Carolina educators for classroom teaching and learning and for professional development. Resources include: The Beacon, a monthly K12 education journal, and its archives; the complete North Carolina
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 The Legacy of R. L. Moore  Educational Advancement Foundation
The Legacy of R.L. Moore Project promotes the study of inquirybased learning (IBL) and teaching methods that Moore propagated while teaching topology at The University of Texas. The "Moore Method" eschews textbooks; calls for only the briefest of lectures
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 Lesson Study Communities Project in Secondary Mathematics  Education Development Center, Inc.
Information and materials from lesson plan study undertaken at Wareham High School (Massachusetts). Teachers studied and reflected on the teaching of algebra and geometry with McDougal Littell, Key Curriculum, and other content and software developers.
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 Lesson Study in Japan  U.S. Science Education  Education Department, Mills College
Research into Japanese "lesson study," a process in which teachers cooperatively develop and critique new lessons. The site focuses on possible applications and challenges of lesson study to U.S. science and math education. Read related articles and
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 Making Mathematicians  Holly Young
Lessons, activities, book recommendations, and more from a Nevada educator who provides professional development on the "ACE" method (Answer the question; Cite details, show computation; Explain all steps) of answering constructed response questions.
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 Math by Design: Teaching for Understanding  Purposeful Design Publications
Preview or purchase math textbooks, each of which contains lesson objectives, blackline and drill masters, color transparencies, letters to parents, and "Moments With...," which "integrate math with various subject areas and the Bible."
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 MathEd.net  Raymond C. Johnson
Blog begun in October, 2009, by a math education graduate student. Dedicated to "building bridges between research, policy, and practice," Johnson's posts have included "Patterns of Patterns," "RYSK: Erlwanger's Benny's Conception of Rules and Answers
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 Math Ed Podcast  Samuel Otten
"Conversations with math ed researchers": listen to interviews with mathematics education researchers about their recent journal articles and the research studies behind them. Hosted since November, 2012, by Samuel Otten, a professor of mathematics education
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 Mathematically Speaking
"Thoughts and ideas about mathematics in the media, popular views of mathematics, and being a mathematician." This college professor's posts, which date back to April, 2009, have included "Crocheting and Hyperbolic Space," "Topology and the Moore Method
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 Mathematics and Multimedia  Guillermo Bautista
Blog about mathematics, teaching, learning, and technology. Begun in October, 2009, it has included posts such as "GeoGebra Tutorial 4  Graphs and Sliders"; "Screencasting Tutorial: Making a Math Video Lesson Using Camstudio"; "Derivative in Real Life
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 Mathematics by Mr. P  Mike Poliquin
Middle school math teacher Poliquin began this blog, subtitled "making sure everyone gets it," in December, 2011. Posts have included various original problems of the week; "Eudoxus of Cnidus: the First Mathematical Superstar"; "A Quick Dip in the Deep
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 Mathematics Enhancement Programme  Centre for Innovation in Mathematics Teaching, Univ. of Exeter, U.K.
A whole curriculumlessons, worksheets, overhead projector transparencies, teacher notes, practice problems and examsfor primary and secondary schools. Use the Mathematics Attainment Test to generate tests online, automatically mark and detect common
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 Mathematics for Teaching  Erlina Ronda
Ronda, who teaches math and trains teachers, blogs to "narrow the gap between mathematics education research and practice in mathematics teaching and learning." The Mathematics for Teaching (M4T) blog, begun September, 2009, offers teaching tips based
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 Mathematics in the City  The City College of New York
A national center of professional development for K8 mathematics education where "context, representation, and discourse are critical to learning." See, in particular, the summer institutes, workshops, and other professional development opportunities
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 Mathematics  WestEd
Descriptions of WestEd's Science and Mathematics Projects, with supporting print and online resources: 24® Game Demonstration Project, California Mathematics Implementation Study, Evaluation of Interactive MultiMedia Exercises (IMMEX), Evaluation:
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 Math for Love  Daniel Finkel
Finkel brings us this blog "... about math, creativity, culture, education, and beauty. It's for everyone." Posts have focused on selfreferential humor and mathematics; older posts have included the joys of pattern blocks, an aspect of probability applied
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 MathFour  Bon Crowder
Articles, interviews of fellow mathematician parents, narrated videos of paperandpen math techniques, and other resources for homeschooling and afterschooling parents. Crowder, an instructional strategist by day, seeks to get parents to feel "comfortable
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 Math in Motion: Origami in the Classroom, K8  Barbara Pearl
Workshops and a book which use an interdisciplinary and manipulativebased approach to teaching mathematics, supporting the Common Core State Standards for Mathematics (CCSSM) and unfolding a positive attitude toward math and learning. Barbara Pearl developed
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 Math is Not Linear  Alison Blank
Math teacher Blank offers this thoughtprovoking, nonlinear Prezi (online presentation) on the subject of math and its teaching.
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 MathMem  Jim Guinness, Wachusett Regional High School, Massachusetts
A list of mnemonics and similar memory aids that math teachers have found useful for helping students remember math conventions, algorithms, definitions, techniques, and formulas. "Most high school math teachers are familiar with using PEMDAS, FOIL, and
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 Math Minds  Thornburg, Nancy; and Gray, Kristin
Blog by K5 math specialists, one Nationally Board Certified in Early Childhood, the other in Middle Childhood. Thornburg and Gray teach Intensive RTI groups and enrichment groups in grades K5 daily. Posts, which date back to April, 2013, have included
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 Math Misery?  Manan Shah
Blog that "aims to convey the general feeling that the majority of people have when it comes to working with mathematics... and bring awareness about what mathematics is and what mathematicians do." Posts, which date back to May, 2013, have included "Figuring
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 mathmom.com  Linda Burks
With the right approach anyone can enjoy learning. Since every person is unique, we must each find the best way to learn. We know we have found the way when learning is fun. Search mathmom.com to find books, products, and ideas which make learning
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 MathNotations  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
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 MathStar  Center for Distance and Online Learning, LA County Office of Education
MathStar seeks to improve the teaching and learning of mathematics in middle schools through the use of interactive technologies. The project addresses these issues systemically, through an intensive collaboration between middle schools, colleges and
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 MathStar New Mexico  New Mexico State University
A professional development program for math teachers that incorporates the principles of Japanese lesson study. Watch QuickTime video clips of lesson study; download PDFs of research lessons on number and operations, algebra, geometry, measurement, and
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 MathSugarOff  Priscilla Bremser
"Notes on mathematics teaching and learning at all levels" by a Middlebury College mathematics professor who works with K8 teachers in the Vermont Mathematics Initiative (VMI) professional development program and conducts her undergraduate classes with
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 Math  Teaching Channel
Browse and search Teaching Channel's video showcase of inspiring and effective math teaching practices in America's schools. Topics include class culture, engagement, differentiation, collaboration, "new teachers," and Common Core State Standards (CCSS).
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