 Math Tools Grade 3  Math Forum
A community library of software tools for third grade math students (89 yearolds) and their teachers. Math3 is one section in the Math Forum's Math Tools digital library of software for computers, calculators, PDAs, and other handheld devices, with
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 Math Tools Grade 4  Math Forum
A community library of software tools for fourth grade math students (910 yearolds) and their teachers. Math4 is one section in the Math Forum's Math Tools digital library of software for computers, calculators, PDAs, and other handheld devices, with
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 Math Tools Grade 5  Math Forum
A community library of software tools for fifth grade math students (1011 yearolds) and their teachers. Math5 is one section in the Math Forum's Math Tools digital library of software for computers, calculators, PDAs, and other handheld devices, with
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 Math Tools Grade 6  Math Forum
A community library of software tools for sixth grade math students (1112 yearolds) and their teachers. Math6 is one section in the Math Forum's Math Tools digital library of software for computers, calculators, PDAs, and other handheld devices, with
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 Math Tools Grade 7  Math Forum
A community library of software tools for seventh grade math students (1213 yearolds) and their teachers. Math7 is one section in the Math Forum's Math Tools digital library of software for computers, calculators, PDAs, and other handheld devices, with
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 Math Tools Kindergarten  Math Forum
A community library of software tools for kindergarten math students (5 yearolds) and their teachers. Kindergarten is one section in the Math Forum's Math Tools digital library of software for computers, calculators, PDAs, and other handheld devices,
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 Math Tools PreCalculus  Math Forum
A community library of software tools for precalculus students and their teachers. PreCalculus is one section in the Math Forum's Math Tools digital library of software for computers, calculators, PDAs, and other handheld devices, with related lesson
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 Math Tools PreKindergarten  Math Forum
A community library of software tools for prekindergarten math students (up to 4 yearolds) and their teachers. PreK is one section in the Math Forum's Math Tools digital library of software for computers, calculators, PDAs, and other handheld devices,
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 Math Tools Probability and Statistics  Math Forum
A community library of software tools for probability and statistics students and their teachers. Prob. & Stat. is one section in the Math Forum's Math Tools digital library of software for computers, calculators, PDAs, and other handheld devices, with
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 Math Tools Trigonometry  Math Forum
A community library of software tools for trigonometry students and their teachers. Trigonometry is one section in the Math Forum's Math Tools digital library of software for computers, calculators, PDAs, and other handheld devices, with related lesson
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 Math Videos  James Sousa
Thousands of screencast lessons (look for a yellow background) and examples (grid paper), most ten minutes or shorter, all enlivened with narration and a highlighting pointer: arithmetic, algebra, geometry, trigonometry, calculus, linear algebra, differential
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 Math Warehouse  Vernon Morris
Interactive programs that allow users to explore math concepts; a set of freely available worksheets for teachers; math store with books, puzzles, and games; and a newsletter. Covers a range of topics including linear equations, systems of equations,
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 The Math Whisperer  April Brown
A blog that chronicles "the highs and lows of teaching, math thinking, and how technology can be incorporated into all three." Posts by Brown, who teaches second grade in Alberta, Canada, date back to September, 2011: "Technology Makes Me Giddy with Happiness,"
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 Math with Bad Drawings  Ben Orlin
Blog by a high school teacher in Oakland, California, "about the things I like [and] also about the things I can't do," in the hopes that their "juxtaposition captures the contradictory state of the teacher, of the mathematician." Posts "owning up to
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 Math  Wonderopolis®
Each Wonder of the Day® includes several paragraphs' overview (Did you know?), modeling suggestions (Try it out!), a vocabulary list (Wonder Words), and other information to stimulate children's curiosity. Share your wonderments, questions, and answers
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 MathyCathy  Cathy Yenca
Math teacher's blog about her classroom experiences first in Pennsylvania and more recently in Texas, participating in a onetoone iPad initiative. Posts, which date back to September, 2011, have included "Fractivities," "PSSA Panic," "Yes, I Really
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 Mathy McMatherson  Daniel Schneider
Blog by a public high school teacher in Tucson, Arizona, who graduated from the University of Arizona Secondary Mathematics Education Program. Posts, which date back to July, 2011, have included "Teaching as Creation," "Fixing Bugs Part 2: Algebra &
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 matthen  Matthew Henderson
"Things of interest in maths & science" created by a PhD candidate in Statistical Dialogue Systems who majored in mathematics as an undergraduate. Posts date back to March 2011, and routinely feature Henderson's original animated gifs: "Orbits around
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 MatthewMaddux Education  Egan J. Chernoff
"Information associated with mathematics (education)," as digitally curated by Chernoff, a Professor of Secondary Mathematics in the College of Education at the University of Saskatchewan. Posts, which date back to June, 2011, have included "New math
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 Maxwell's Demon  Edmund Harriss
Harriss, a mathematician and artist of substitution tilings, tilings with a scaling symmetry like the Penrose Tiling, writes that "the major themes of this blog revolve around mathematics communication and mathematics art." His posts, which date back
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 M. C. Escher  François Loup
Des informations pour le monde francophone sur Maurits Cornelis Escher: biographie, bibliographie, diaporama, les thèmes, technique graphique, expositions et musées, les héritiers d'Escher, éspace éducation, aide documentaire,
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 McSquared  Audrey McLaren
Blog of "a teacher's realtime journey into Web 2.0" for "anyone who loves to teach, loves technology but feels easily overwhelmed by it, nevertheless feels compelled to learn how to use it, needs things explained real slow like, is not afraid to ask
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 Mental Model Musings  Gene R. Bellinger, OutSights
Modeling and Simulation is a discipline for developing a level of understanding of the interaction of the parts of a system, and of the system as a whole. It embodies a set of disciplines that provide a foundation for understanding not only how things
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 Michel Delord
Ce site est "dédié aux parents qui s'inquiètent que leurs enfants ne sachent toujours pas faire une division en Cours Moyen à qui on a répondu, 'Vous êtes des rétrogrades.'" Lisez les dernier fichiers et
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 Middle School Math Rules!  Sherrie Nackel
Blog by a seventh grade math teacher for "sharing ideas with other teachers and hopefully networking with other dedicated and creative middle school math teachers." Posts, which date back to July, 2011, have included "Number activity for first day," "First
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 mikesmathpage  Mike Lawler
Blog by a former math professor "writing about math with my kids." Posts, many with videos of Lawler and his children at a whiteboard, date back to November, 2013: "Day in the life of a home school dad," "Family Math and paper folding," "Fun with James
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 misscalcul8
Blog by a high school teacher of algebra and geometry who "expects to be the best teacher that has ever lived, to change the world, and to live wealthy." Posts, which date back to February, 2009, have included "This, My Friend, Is Learning," "7 Country
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 Misunderstood Minds  PBS
The science behind learning difference, and strategies to aid success in school, are available on this companion Web site for the Misunderstood Minds PBS documentary. The site includes profiles of the students in the documentary, as well as sections on
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 More than a Geek  Lois Burke
Blog by a high school math teacher in Philadelphia who participated in the Emerging Communities for Mathematical Practices and Assessment (EnCoMPASS) institute. Burke, who began blogging in June, 2013 about life in and out of the classroom, describes
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 Mr. Orr is a Geek.com  Jon Orr
Blog by a Chatham, Ontario (Canada) secondary school math teacher. Posts, which date back to February, 2009, have included "Gr. 11 Quadratics Functions in the real world," "Grade 12 – Mind Map for Project," "Grade 9 Pentominoes," "Grade 11 – Exponential
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 Mrs. Glosser's Math Goodies  Gisele Glosser
Interactive math lessons that work online and offline in a Web browser, and provide immediate feedback to students, with in addition Worksheets (on circumference and area; exponents; expressions and equations; integers; Ocean Math; order of operations;
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 mrs. tinashe blanchet  Tinashe Blanchet
Courses, collaborations, and other content by Blanchet, who teaches high school math in Marrero, Louisiana. Freelyaccessible Moodle classes have included International Baccalaureate (IB) Math Studies and Advanced Math/PreCalculus; professional development
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 mrstko  Teresa Orpen
Blog by a high school algebra teacher. Posts, which date back to January, 2014, have included "Perfect 10" and "Plickers, with a 'P.'"
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 Mr. Vaudrey's Class  Matt Vaudrey
Blog by a secondary educator who "wears costumes, plays loud music, stands on desks, and shows pictures and video — all to make math meaningful for his students." The contents of mathematical posts, which date back to January, 2008, have included
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 Musing Mathematically  Nat Banting
Thoughts from a high school mathematics teacher on the teaching of mathematics, and the learning of mathematics. Posts, which date back to May, 2011, have included "Playing with Mean, Median & Mode," "Attaching a 'Why' to the 'How," "The Mathematics
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 Musings from Mrs. Galvan  Regan Galvan
Blog of "thoughts on teaching math and on promoting social, emotional wellness among my students and colleagues" by a selfdescribed fan of students creating digital portfolios in math. Posts, which date back to February, 2013, have included "Geometry
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 My Math Forum  Julien Santini
Discussion forums that concentrate on college and high school mathematics. Santini posts PDFs of two Weekly Problems, one intended for advanced high school students, the other for college students. See also his "250 Solved Problems," with downloadable
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 My Reckonings  Ron Doerfler
Doerfler's book Dead Reckonings: Calculating without Instruments "describes techniques of computation and approximation that can be used to rapidly and mentally calculate mathematical quantities." Other sections of the site discuss sundials; astrolabes
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 Nathan Selikoff
Works, publications, blog, and more from a "fine artist playing at the intersection of interactivity, math, and code." Works have included "Beautiful Chaos" (interactive software art), "Intersect"
(a public art installation), "Four Dimensions" (a realtime
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 National Center to Improve Practice (NCIP)  Education Development Center, Inc. (EDC)
The National Center to Improve Practice in Special Education Through Technology, Media and Materials promotes the effective use of technology to enhance educational outcomes for students with sensory, cognitive, physical and social/emotional disabilities.
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 National Commission on Mathematics and Science Teaching for the 21st Century  U.S. Department of Education
A Glenn Commission plan to ensure that every American student receives excellent instruction in math and science  instruction critical to maintaining the U.S. edge in the competitive global economy. The report sets three goals: to establish an ongoing
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 NationMaster.com  Luke Metcalfe
A website for generating graphs and correlations based on numerical data extracted from the CIA World Factbook, United Nations, World Health Organization, World Bank, World Resources Institute, UNESCO, UNICEF, OECD, and other sources of indicators that
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 Natural Math  Maria Droujkova
Read about Natural Math research projects, publications, conference presentations, seminars, classes, workshops, and consultations. Download Word documents of research articles such as "Girls on track with information technology," "Using XP with children
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 The nCategory Café  John Baez, David Corfield, and Urs Schreiber
A blog devoted to "that heady interface between physics, mathematics and philosophy." Read posts, many with MathML, that date back to August, 2006.
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 NCTM Standards 2000 Discussion Area  NCTM/Math Forum
Discussions devoted to public input on the NCTM Standards 2000 project. Questions posted by the moderator include such concerns as areas of mathematics deserving of emphasis, mathematical thinking skills, philosophies and practices, basic skills and conceptual
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 Newtechtimeline  Tom Riley
Blog by a teacher of mathematics and New Technologies Coordinator at the de Ferrers Academy, Burtonon Trent, UK. An Apple Distinguished Educator (class of 2013), Riley has posted since January, 2012: "How not to use Google Sites for your (Maths) classes,"
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 Nix the Tricks
Problematic vocabulary, notation, mnemonics, and other shortcuts reconsidered and "fixed" by teachers who "want to put a stop to the superficial, cheap tricks that have infected the teaching and learning of math." Submit your own trick, or debate and
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 The NODE Learning Technologies Network  The NODE Learning Technologies Network
theNode.org provides networked support for instructors, trainers, designers and administrators with a professional interest in teaching with technology. Register for membership online. Internet resources for the study and teaching of mathematics include
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 NumberADay  The Mathematical Association of America (MAA)
Every working day, a new positive integer, with a selection of its properties and an illustration or photograph.
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 Number Loving Beagle  Megan Schmidt
Blog by a high school teacher in Minnesota who also serves as the head of her math department. Posts, which date back to September, 2013, have included "Aha for patient problem solving"; "Creating Mathematically Curious Students"; "A Speedy Makeover for
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