 Math Explorers' Club  Cornell Department of Mathematics
Selfcontained modules of activities and other materials for middle and high school teachers to give their students experience with more advanced topics in mathematics, such as combinatorics and cryptology, graph theory, probability and applications,
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 MathFLIX  Loyola University Chicago School of Education
Hundreds of free, brief instructional math QuickTime movies, organized by NCTM Standard. MathFLIX, the result of a partnership between Loyola University Chicago's School of Education and The Chicago GEAR UP Alliance, also offers downloadable worksheets
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 Math for Children  Mphoweh Jude Nzembayie
Free worksheets, video lessons, quizzes, games, ebook downloads and more.
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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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 MathFoundation Online Math Tutorial  Susan Phillips
A comprehensive animated online math tutorial covering Arithmetic, Fractions, Decimals, Proportions, Measurements, PreAlgebra, Basic Algebra, and introductions to Statistics and Geometry. Animated examples demonstrate math concepts and procedures. Members
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 Math Fundamentals Problem of the Week  Math Forum
Math problems for students working with concepts of number, operation, and measurement, as well as introductory geometry, data, and probability. The goal is to challenge students with nonroutine problems and encourage them to put their solutions into
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 Math Games  Barak Sofer
Create and send to students your own list of the thirdparty online math games collected here.
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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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 MathGuru  Educomp Solutions Ltd.
Search for free narrated whiteboard lessons; subscribe for additional presentations on understanding key concepts, learning from solved examples, practicing with exercises, and taking summative tests.
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 MATHGYM Mathematics Training Programme  Paul Dooley
A tutorial from Australia designed to help 1016yearolds develop mathematical problemsolving ability, with five SETs of 20 problems typical to many math competitions. Students are given a Training Problem to solve, with necessary background theory,
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 Math Help from YourTeacher.com  Classmate, L.L.C.
YourTeacher offers interactive online math instruction with 450+ math lessons (PreAlgebra, Algebra 1, Geometry & Algebra 2). Includes teacher videos, animated examples, selftests, printable extra problems & notes. Monthly subscription price; free demo
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 Math Homework Help
Email contact for homework help in prealgebra, algebra I and II, college algebra, geometry, trigonometry, precalculus, and calculus. Site also contains a math history timeline; math dictionary; some basic differentiation and integration rules; trigonometric
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 Math HowTo's  FindHow: the HowTo Search Engine
HowTos from wellrecognized brand names, governmental, and educational institutions, with a particular focus on academic topicsin this case, mathematics.
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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 in Daily Life  Annenberg Media
Students often question how they will use basic mathematical concepts, algebra, and geometry throughout their lives  but the average person uses math at least three times a day. Read how math affects daily decisionmaking in this series of short articles
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 Math Index  George Mason University
A glossary of math terms with illustrated examples of problems and tips for understanding concepts, from addition of positive and negative numbers to the definition of the derivative. Part of the DAU (Defense Acquisition University) Math Refresher course.
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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 Kangaroo  Maria Omelanczuk
Math Kangaroo's international "notselective competition" recognizes all students who participate in its 75 minutelong multiple choice test: "Each participant is seen as a winner and receives recognition and gifts on the test day in March." Open to any
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 mathlab.com  Mehrdad Simkani
A Java applet of unmarked straightedge and collapsible compass tools to virtually draw the lines and circles fundamental to Euclidean geometry. The help page explains how to use the Euclid applet, and contains descriptions for constructing found in propositions
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 The Math League  Conrad, Flegler, Motyka; Math League Multimedia
Math contests for grades 4 through 12, contest problem books, and math educational software for grades 48. Contest results from math league competitions in the U.S. and Canada are posted here.
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 Math Lessons  Cynthia Lanius
A variety of algebraic and geometric projects and puzzles that help students find mathematical patterns and formulas. The Million $ Mission explores exponential growth, a Fractal Geometry Unit teaches the secrets of fractals, the Mathematics of Cartography
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 Math Lessons in PowerPoint: Algebra 1, Geometry, Algebra 2  Simon Perez
Download PowerPoint presentations from Perez's bilingual classes on topics in geometry, algebra I, algebra II, and CAHSEE (basic math preparation). Some of the topics also feature online quizzes; written compositions and posters by students; and digital
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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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 Mathletic
A Mathematics and Puzzles resource. Under mathematics there are sections on planes, solids, conversions, Greek letters, constants, and integration. Puzzles offered, with clues and answers, include: Add it Up; Seesaw; Cheque it out; Coins; Crop Circle;
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 mathlibs.org  Jessika Sobanski
Practice solving arithmetic word problems in "Mad Libs" format with Shockwave; explore fractions, probability, and rotation. Also, lessons in numbers, patterns, measurement, geometry, graphing, and probability.
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 Math Listings (Online Schoolyard)  Comcast Online Communications
Links to selected math sites in the following categories: About Math in the Real World; Add, Subtract, Multiply and Divide; Algebra Avenue; Counting Corner; General Topics; Geometry; History of Mathematics; Measurements; PreCalculus/Calculus; Probability/Statistics/
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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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 MathMagic on the Web  Alan A. Hodson; The Math Forum
MathMagic was a K12 telecommunications project developed in El Paso, Texas. The intent of the project was to provide motivation for students to use computer technology while increasing problemsolving strategies and communications skills. MathMagic posted
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 Mathémathiques au Collège  Jerome Burgard
Site pédagogique qui propose des cours de maths complets pour les élèves de niveau collège ainsi qu'un lexique des notions essentielles de mathématiques qui permet de rattacher facilement chaque chapitre du programmes
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 Mathématique du secondaire  Xavier Hubaut, l'Université Libre de Bruxelles
A collection of lessons for advanced high school students. Includes: linear algebra, geometric concepts, complex numbers, polyhedrons, and applications. In French.
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 MathMedia  MathMedia Educational Software, Inc.
Macintosh and Windows software for math education. Curriculum based, interactive, programs with instruction from which students can selfteach and practice math. Software offers vocabulary sections, reviews of appropriate prerequisites, printable flashcards
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 Math Meet  Alex Kasman
Samples of the Annual College of Charleston Math Meet include PDFs of recent written tests; "AllDay Sprints" such as coded quotes, scramble, polymath, grids sprint, and "Blatant Propaganda Sprint"; math team relay; math brainstorm; and "marathons" 
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 MathMeeting  Chris Seber
Free instructional narrated screencast videos on algebra and calculus; live tutoring and homework help for hire. Seber, a civil engineering graduate whose "passion is to teach math," also offers clips on geometry, linear algebra, SAT practice problems,
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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 Mentor Take the Test  Santa Clara County Office of Education
For students preparing to take the California High School Exit Examination (CAHSEE) in math: answer a sample question on your own; watch a math mentor solve the same problem; and review a stepbystep solution. The movies of Englishspeaking and Spanishspeaking
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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 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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 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 Movie Network  Shawn Avery
This collection of studentmade videos stars kids explaining math procedures and concepts. Formerly known as "the Student Made Math Movie" wiki, the selfproclaimed "Home of Student Made Math Movies" features a section labeled "practice" embedded with
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 Math Mutation  Erik Seligman
These "show notes" accompany a short podcast of the same name that explores "fun, interesting, or just plain weird corners of mathematics that you probably didn't hear in school." Posts, which date back to December, 2011, have included "Flat People Give
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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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 Math Online  SalemKeiser Public Schools, Oregon
SalemKeizer Public Schools of Salem, Oregon, designed this collection of daily math problems to help students in the third, fifth, and eighth grades prepare for the State of Oregon CIM Benchmark exams. Student exercises are organized by grade level,
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 Math On The Internet  Buffalo FreeNet Community & NonProfit Pages
K12 math problems and solutions posted weekly between 199698, at 5 levels of difficulty, with an archive of solutions for 1996 and links to related sites.
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 Math Open Reference  John Page
Page's free online geometry textbook provides interactive animations of geometry topics to enliven the teaching process and give students a deeper level of comprehension. With a glossary, quizzes, simulations such as "how to read a protractor," a graphing
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 MathPickle  Gordon Hamilton
Free videos that pose "rich math gems": Fibonacci Mutant Bunnies, Amoeba Squares, Kajitsu, Locker Room Prank, Area and Perimeter of Animals, Ballast Puzzles, and more. Select a grade band for PDF solutions, presentations in PowerPoint and Keynote formats,
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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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 Math Practice Programs  Alan Tubman
Written to supplement the materials available in the author's GED classroom, these DOS and Windows/NT Math Modules for Middle School and GED Preparation Classes comprise about a hundred drill programs ranging from simple operations with whole numbers
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 Math  PrimaryGames.com
Games and drills for very young students: Two Minute Warning (drills addition and subtraction); One Little Ball (numbers 15); Sammy's Shapes (geometric shapes); Take It Away (subtraction); Add 'em Up (addition).
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