 Math Exercises
Interactive exercises, lessons, and worksheets to practice knowledge of whole numbers, integers, divisibility, fractions, exponents and powers, percentages, proportional reasoning, linear equations, quadratic equations, monomials, polynomials, special
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 Math for America
An organization with the mission of improving math education in our nation's public schools. Download PDFs from MfA's Lesson Plan Database according to math subject, topic, technology, duration, level, and activity structure, which includes the categories
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 Math for Grownups  Laura Laing
From the author of the book by the same title. Laing, a "selfproclaimed math evangelist," has blogged since May, 2011: "Math Secret #1: There’s More Than One Way to Skin a Math Problem," "Math at Work Monday: Kim the Copywriter," "Math at Work Monday:
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 Math for Morons Like Us  ThinkQuest 1998
Students talk to students about math: a site designed to help you understand math concepts better. Tutorials, sample problems, and quizzes for PreAlgebra, Algebra, Geometry, Algebra II, and PreCalc/Calculus, designed assuming you know some of the basic
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 Math foru' : les maths ont leur forum !  Thierry Planterose
In French: Forum de mathématiques destiné aux collégiens, lycéens, étudiants.
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 Math forum
A math questionandanswer discussion forum.
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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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 MathGifs
"Illuminating mathematics through animations." This blog, which dates back to September, 2013, has included illustrated posts such as "Reflective Property of the Ellipse," "Rotations Through Translations," "Fourier Pumpkins," "Sonic Booms," and "The Mandelbrot
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 MathGroup, the Email Group for Mathematica Users  Steven M. Christensen and Associates, Inc.
MathGroup is a moderated electronic mail list for Mathematica users. Many of the leading experts on Mathematica inside and outside of Wolfram Research read and respond to user comments and problems. The site includes Mathematica Benchmark Sites, Mathematica
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 Math Help Forum
Help with homework, projects, games, and more. Register to participate in six online discussions: Elementary and Middle School Math Help; High School Level Math; College Level Math; Math Lounge, for conversations on topics such as brain teasers and more
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 mathhistorylist  MAA, Math Forum
An unmoderated group hosted by the Mathematical Association of America (MAA) and dealing with the history of mathematics, including announcements of meetings, new books and articles; discussion of the teaching of the history of math; and questions that
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 math hombre  John Golden
Golden, a math professor at Grand Valley State University (Michigan), blogs to "share my math interests on the web, post new materials for elementary, secondary and teacher ed, and vent mathematical steam when needed." Posts, which date back to April,
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 Mathie x Pensive  Gregory Taylor
Musings on mathematics, teaching, and more by an Ottawa (Canada) high school math teacher who majored in computer science and graduated from the mathematics program at the University of Waterloo before receiving his B. Ed from Queen's University. Posts,
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 Math Images  The Math Forum @ Drexel, the National Sciences Digital Library (NSDL), and Swarthmore College
The Math Images Project aims to
introduce the public to mathematics through beautiful and
intriguing images found throughout the fields of math. The
images feature resources around the mathematics of the images,
including discussions, applets, and
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 Math Is Everywhere!  Franklin Northwest Supervisory Union
Problems of the day, reflections on workshops, and other blog posts. This partnership of the Franklin Northwest Supervisory Union and the Vermont Math Initiative aims to obtain community support for STEM and expose students to STEM careers.
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 Math is More  Garfunkel, Sol; Mumford, David
Continuation of the conversation begun when The New York Times published the authors' oped article "How To Fix Our Math Education" in August 2011. Read the ten planks of the platform "toward a national consensus on improving U.S. mathematics education";
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 The Math Lab @ Room 27  Matt Jones
Subtitled "It doesn't HAVE to be boring ...," this blog dates back to March, 2014. Posts have included "March Math Madness, New Additions to the Room, and Another Quote"; "Common Core Backlash"; "The Best Laid Plans..., 'Real World' Math, and 3rd Grade
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 The Math Less Traveled  Brent Yorgey
A blog "dedicated to exploring beautiful mathematics." Posts, which date back to March, 2006, have included "Proof by animation," "The Nuclear Pennies Game," "Recounting the Rationals," "Predicting Pi," "Square roots with pencil and paper," "Irrationality
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 mathletics  Wayne Winston
From the author of the book by the same title, which reveals "how professional baseball, football and basketball teams use math to improve their performance" à la Moneyball, and also discusses lineup evaluations, the effectiveness of running and
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 MathLinks Math Forum  Valentin Vornicu
An online math olympiad community, organized into levels  from middle school to "College Playground"  and national and local communities. Discuss thousands of problems on the bulletin boards, or post your own with HTML and LaTeX.
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 Math = Love  Sarah Hagan
Blog by an algebra teacher in Oklahoma "inspired to become a math teacher by a math teacher blog I happened upon in high school." Planning her lessons with foldables and graphic organizers in mind, Hagan describes herself as "obsessed with making math
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 Math Mama Writes...  Sue VanHattum
The blog of a community college math teacher and "mama of a young son" interested in all levels of math learning  but VanHattum "may throw in posts on parenting, kids' books, living simply, peace & justice, ..." Blog entries date back to March,
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 Math Message Board  David Manura
A searchable Webbased discussion area for questions, answers, and talk on any math topic that allows for input of mathematical notation, diagrams, and HTML into message postings. Subject areas include General Questions; Elementary Math; Algebra/Geometry/Trig;
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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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 Math Mistakes  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.
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 MathML Information Center  Geometry Technologies, Inc.
A comprehensive source for information on the Mathematical Markup Language, or MathML. Includes a MathML Resource List (available and developing MathML software; documentation and related informationincludes a gentle introduction to MathML); MathML
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 Math Movement  Tim Chartier
Blog that focuses on mathematics and the "progress or movement" that occurs in Chartier's teaching, research, writing, and performing. An Associate Professor of Mathematics at Davidson College, Chartier has trained at Le Centre du Silence mime school
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 Math Munch  Justin Lanier
A weekly digest of "the mathematical Internet" that has featured "lots of cool mathy things" online since October, 2011. Blog posts have included "Mazes, Spirals, and Paper Folding"; "Pennies, Knights, and Origami Mazes"; "Turing, Nets, and More Yoshimoto";
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 The Math Nook  Adrienne Shlagbaum
Blog by a New Jersey teacher of fifth and sixth grade math who also has math enrichment groups for grades 14. Posts, which date back to January, 2013, have included "Homework Review — A Work in Progress," "It's a Match! Fractions, Decimals, and
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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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 MathPanelWatch
A "watcher's" view of the deliberations of the National Mathematics Advisory Panel, chaired by Dr. Larry Faulkner, and created to advise the President and Department of Education Secretary Margaret Spellings on the best use of scientifically based research
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 Math Planet
Hundreds of free video lessons, exercises, and examples to solve. Get help with prealgebra, algebra, or geometry by posting questions to Math Planet's forums. See also the downloads of SAT and ACT sample tests. The Swedish nonprofit organization behind
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 Math Planet  ThinkQuest 1998
A site for high school students featuring algebra, geometry, and geometry concepts glossaries; crash courses on basic Algebra and Geometry; an advanced course on Algebra and Trigonometry; a customizable lesson plan based on individual level; an SAT and
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 mathqa  Math Forum
A Web discussion archived by the Math Forum, and a mailing list operated by Nick Halloway, this is a robomoderated list for math discussion at college level and above. The following kinds of postings are discouraged: computer programming questions; Mathematica,
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 MathRecap  Dan Meyer, editor
A conference recapping site "modernizing and increasing access to math education conferences." Posts, which date back to November, 2012, have chronicled professional development sessions from the Northwestern Math Conference and annual and regional meetings
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 Maths and Statistics Lists  JISCmail
Searchable mailing lists browseable by month, thread, subject, or author. Introduction, welcome page, relevant files and links, names of list members, user guide, and FAQ for ach group.
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 Maths Education and all that!  Rebecca Hanson
Blog by a UK lecturer in education and specialist in online discussion forums. Posts about maths education, which date back to April, 2011, have included "Developing a scaling primitive in multiplication and division"; "Visual Models in Arithmetic Operations";
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 Maths Express  MathsExpress.com
Des listes d'exercices classés par thèmes pour les élèves de terminales Baccalauréat S, Baccalauréat ES, et Baccalauréat L, corrigés pour la majorité; les annales du Concours Général
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 Maths Is Fun  Rod Pierce, mathsisfun.com
Math revision (review) pages, games, puzzles, and offline activities for age 11 through college algebra. A discussion forum and a newsletter are also available. The Illustrated Math Dictionary links definitions to further resources on the site. Maths
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 Maths is smART  Nicky Cleaver
Cleaver uses Matlab, Maple, and C++ to create dynamic images and videos which often exhibit some randomness, such as arbitrarily colored lines in pictures reminiscent of spirograph drawings. Posts, which date back to August, 2011, have included "Brownian
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 The Maths Magpie
"Loving shiny teaching resources and ideas  mathematical or otherwise." Blog posts, which date back to July, 2013, have included "What students see versus what the examiner sees," "Maths Vocabulary activities," "Posters for BODMAS / BIDMAS Misconception,"
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 Maths? No Fear!  Matt Skoss
Wiki for sharing practical ideas that engage kids in working as a mathematician, strategies for using Web 2.0 tools, and more. Become a member to access notes and other resources on the structure of maths tasks, problem solving, and more.
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 Maths & Physics Help Forum  Chris Muktar
An equationenabled message board for math and physics questions at all levels. Formatting algebraic expressions, rendering symbols, and other typesetting features require Java. Register to edit and delete your own posts; and to vote in forum polls.
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 MathsPig  Kerry Cue
Blog begun in March, 2009, aiming to "stick a snout in the media trough and sniff out the maths rubbish." MathsPig has since evolved to "use basic but elegant maths to make realistic problems for students to solve, e.g. 'Can you duck a bullet?'" Posts
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 Math Stack Exchange
A "free, communitydriven Q&A" for people studying math at any level, and professionals in related fields. Post to understand mathematical concepts and theorems, share hints on problems, solve mathematical puzzles, discuss software that mathematicians
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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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 MathTango  Shecky Riemann
Interviews, commentaries, book reviews, and other musings by "a numberluvin' primate... enamored of math since childhood" who went on to study psychology and work as a technician in toxicology, neurobiology, and clinical genetics labs. Posts by the pseudonymous
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 Math Teacher  Erin Igo
Blog by a Delaware math coach. Igo began blogging in June, 2013 during the Emerging Communities for Mathematical Practices and Assessment (EnCoMPASS) institute.
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 Math Teacher Mambo  Shireen Dadmehr
Blog by a veteran high school teacher in Texas. Posts, which date back to January, 2005, have included "TAKS TAKS TAKS," "English Practice in Math Class," "Fraction Song," "Reviewing Angst," "Spaghetti Sine Curves," "Blocks & Pieces," "Memory Wheel,"
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