 Marilyn is Wrong!  Herb Weiner
A searchable forum for discussion of Parade magazine's Ask Marilyn column, which regularly addresses logic puzzles. Organized into "Correct, but Incomplete," "You be the Judge," "Unsubstantiated Reports," and "She's Wrong!" With Frequently Asked Questions.
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 Martin Flashman  Department of Mathematics, Humboldt State University, Arcata, CA
Papers by Martin Flashman: "Solving Calculus Problems without Calculus"; "Dynamic Visualization of Calculus"; "Differential Equations: A Motivating Theme for Sensible Calculus." See also The Sensible Calculus Program, a draft text description in progress;
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 MAT 007 I News, Wreckreational Math  Joel Chan, Ed.; Dept. of Mathematics, Univ. of Toronto, Canada
A newsletter that combines mathematics and humour, with articles that range from the very serious and informative to the witty and hilarious. The ultimate goal of the newsletter is to bring you some enjoyment in mathematics that you might not be able
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 mathbabe  Cathy O'Neil
"Exploring and venting about quantitative issues." Blog posts, which date back to June, 2011, have included "KNearest Neighbors: dangerously simple," "Cool math books," "Women in math," "Mathematicians know how to admit they're wrong," and "Why log returns?"
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 The Math Behind Numb3rs  Wolfram Research, Inc.
Wolfram Demonstrations of the mathematics behind each CBS television broadcast of the FBI crime drama series NUMB3RS, from the pilot episode through season six: Structural Corruption, Prime Suspect, Sabotage, Bettor or Worse, Soft Target, Double Down,
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 Math by Proof: What is it, and why should we?  Roger Jones
Formalised mathematics is distinguished from informal mathematics by three features: machine processable languages with precisely defined semantics in which mathematical propositions are expressed; machine checkable reliable criteria for demonstrating
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 Math Club  Mary Kathryn Eisemann, Tomasz Jan Klosowski, Micjal Andrzej ZabickiThinkQuest 2000
Brief tutorials, puzzles, and brain teasers for students aged 1217. Some topics include: equations, trigonometry, geometry, set theory, logic, and induction. The games range from mazes to magic squares to Victorian parlor games. Students may log in
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 Math.com
Links to Internet math resources for students, teachers, and others, and to products from the Math.com store. Solutions include assessment, ondemand modular courses that target key math concepts, 24/7 live online tutoring, and expert answers to math
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 Mathematical BBS (Mathematics)  Mathematics Dept., Univ. of Ferrara, Italy
Collections of resources: Associations, Departments, Disciplines, Journals, Industrial mathematics, the mathematician. Disciplines include: Algebra; Algebraic geometry; Analysis; Applied Mathematics; Categories; Combinatorics; Complex analysis; Computational
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 Mathematical Foundations of Computer Science  Erich Grädel; Aachen University of Technology, Germany
A research group at Aachen: Mathematische Grundlagen der Informatik: Research, Finite Model Theory, Publications, Teaching, People, Books.
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 Mathematical Induction  Interactive Mathematics Miscellany and Puzzles, Alexander Bogomolny
A brief discussion of mathematical induction, with proof, and other examples also proven by mathematical induction, including: Splitting piles; Continued Fractions; Linear Functions; Groups of Permutations; Inequality between arithmetic and geometric
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 Mathematical Logic  Department of Mathematics, Manchester University, U.K.
There is a strong tradition in mathematical logic at Manchester. The first logician at Manchester was Alan Turing, now considered to be the father of artificial intelligence and one of the great visionaries of the twentieth century... The present group
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 Mathematical Logic Group
 Department of Mathematics, University of Bonn
Research in the group is concentrated on axiomatic set theory, in particular: Inner models and large cardinals; Descriptive set theory and Determinacy; Consistency strengths; and Forcing. Members, recent publications, lectures, and links.
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 The Mathematical Logic Group  University of Leeds, U.K.
One of the largest and most active groups in Europe, with an international reputation for research in several of the main areas of mathematical logic: recursion theory, model theory, set theory and foundations, proof theory, and in applications to algebra,
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 Mathematical Thinking  Swan, Malcolm; and Ridgway, Jim
Selfcontained, selfinstructional modules that "promote and assess thinking skills in mathematics." Mathematical Thinking Classroom Assessment Techniques (Math CATs) tasks from the Fieldtested Learning Assessment Guide (FLAG) include "Fault Finding
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 Mathematicians and Philosophers: Chalk and Cheese?  Keith Devlin (Devlin's Angle)
...mathematicians and philosophers go about their business in very different ways, and on the whole they don't mix. Mathematicians who arguably would benefit from reading works in philosophy rarely do so  books by Daniel Dennett and John Searle excepted
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 Mathematics Archives  University of Tennessee, Knoxville (UTK)
A comprehensive site for finding mathematics on the Internet; particularly strong in its collection of educational software and links to other sites of interest to mathematicians that provide access to electronic journals, preprint services, grant information,
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 Mathematics Curriculum Notes  Alan Selby
A model for mathematics instruction from primary school to college. The first part describes Pattern Based Reason, its origins, benefits and limitations in many subjects. In mathematics education there are two barriers to comprehension to be lowered or
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 Mathematics  David Madore
Before organizing cryptography conferences for the École Nationale Supérieure des Télécommunications, Madore studied at France's École Normale Supérieure (ENS). See, in particular, his Javascript hyperbolic maze,
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 Mathematics: Important Theorems and their Proofs  Richard Lindberg
Major theorems and their proofs from Analysis (calculus topics, induction, and sets). This page is maintained by a student, who plans to add more theorems and proofs as he learns of them. Also includes a links page, to which the public is invited to contribute.
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 Mathematics Journals (AMS)  American Mathematical Society
A list of mathematics journals with articles on the Web and a list of Web sites for printed journals, with tables of contents of issues, abstracts of papers, actual papers, information about submissions and subscriptions, etc. See also the Annual Listing
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 Mathematics Journals: Electronic and Printed  Mathematics Dept., Penn State University
Links to dozens of journals, from the Academic press electronic journal library to the Ulam Quarterly, and spanning printed journals from Abstract and Applied Analysis to the Zentralblatt für Mathematik. See also Penn State's page of preprints.
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 Mathematics Related Articles  AllRefer.com
Browse mathematicsrelated entries from the Columbia Electronic Encyclopedia, 2003 edition. Further subjects available from the main page.
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 MathematikLehrgang (Logik, Trigonometrie, Lineare Algebra, Analysis)
A mathematics training course in German with online and download versions, for high school and early college, in which all necessary prerequisite knowledge is contained in the course. Also links to German maths sites.
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 Mathenomicon.net
Online mathematical reference, covering a wide range of topics (Algebra, Analysis & Calculus, Applied Mathematics, Discrete Mathematics, Foundations of Mathematics, Geometry, History & Biography, Language & Symbols, Number Theory, Probability & Statistics,
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 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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 Math Games for Fun  Ciciu Alexandru
JavaScript games of logic, game theory, memory, and graph theory: lights off, flipping triangles, peg solitaire, place 7 balls, Nim and bogus Nim, Mastermind, the four knights, Josephus Flavius, and more. Click the "game strategy" button for hints.
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 Math Help and Online Tutoring
Email or online tutoring in many areas of mathematics as well as other subjects. Sample work and fee structure available on the site.
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 Math I Can Do  Math I Can Do Solutions, Inc.
An online interactive equation editor for writing math expressions. Different account levels provide options for storing your math documents and — with mathicando.com's "Math I Can Share" feature — embedding links to images of them online.
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 Math in Russia  Vladimir Kim
In Russian: Online testing, synopsis in algebra subject area, publications about teaching methods.
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 Mathlinks.info  Ronald N. Gibson, M.D.
A portal to mathematics resources on the internet; links to collegelevel mathematics sites, categorized.
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 Math Logic Project Page  Mary Lee Malen; The Levering School, Philadelphia, PA
A project plan, summary reports, content and results are included for concept puzzles in logic and math, involving teamwork, handson activities, and the Web, as well as standards addressed, a hotlist of Web resources, and pictures of students. Toothpick
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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 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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 MathNet  Philip Spencer, Dept. of Mathematics, University of Toronto
Resources for high school students: interactive activities (Classic Fallacies, Keep the Traffic Moving) and mathematically interesting games (Tower of Hanoi, Game of Nim, Monty Hall Problem), questions and discussion, answers and explanation, problems
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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 Pages  Kevin Brown
A collection of over 600 brief articles covering a huge variety of mathematical topics. Contents include: Number Theory; Combinatorics; Geometry; Algebra; Calculus and Differential Equations; Probability and Statistics; Set Theory and Foundations; History
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 Math Professor Quotes
Blog of "the absurd things math professors say." Submit your own teacher's quirky headscratchers, or browse the collective archive, which dates back to July, 2012.
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 Math  Science Search
Science Search is a directory for scientific topics, including this subsection of Math. Individual entries include description, category, and a user rating of the site.
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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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 MathWare Ltd.
Software and books for algebra, geometry and calculus: Derive, MathPert, Scientific Notebook, Cyclone; books for use with the TI Graphing Calculators, and a book and CD for Mathematica. Also an Interactive Math Dictionary on CDROM with biographical entries,
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 MathWorld: Eric Weisstein's World of Mathematics  Eric W. Weisstein and Wolfram Research, Inc.
A fulltext searchable, comprehensive alphabetical encyclopedia of math terms, equations, and derivations, with explanations, examples, references, and much more. Everything from Abacus to Zsigmondy Theorem. (Formerly the CRC Concise Encyclopedia of Mathematics,
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 Math WWW VL: Specialized Fields  Dept. of Mathematics, Florida State University
Links to sites for resources in specialized fields in collegelevel mathematics.
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 MERLOT Mathematics Portal  MERLOT (Multimedia Educational Resource for Learning and Online Teaching)
Free highereducation online teaching materials, and a user community centered around those materials. Free registration allows users to create, contribute, collect, and comment on resources, or become a peer reviewer or guest speaker. The site offers
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 Metamath  Norman Megill
A site for proofs and logic. Includes: Metamath Solitairea Java applet that lets you build simple proofs in logic and set theory (builtin: the axioms of logic and ZFC (ZermeloFraenkel with Choice) set theory) with source code and other web resources;
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 MetaPRL logical programming environment  Hickey, Nogin, et al.
The next generation of the NuPrl proof development system. MetaPRL is two things: it is a logical framework where multiple logics can be defined and related, and it is a system implementation with support for interactive proof and automated reasoning.
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 Middle School Problem of the Week  Department of Mathematics, Southwest Missouri State University (SMSU)
Word problems in number patterns, algebra, geometry, and other topics. Read the solution to the most recent problem, and archives of previous problems and their answers.
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 MiGen  London Knowledge Lab
This generalization software microworld presents the abstractions of algebra in a visual format. With MiGen's simple sequences of coloured tiles, young learners construct patterns (eGeneraliser), express their structure and relationships (eXpresser),
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 Minesweeper Logic  Ivars Peterson (MathTrek)
In the basic version of this Windowsbased game, the player faces a gray landscape of 64 blank squares in an eightbyeight grid. The object is to locate 10 randomly placed "land mines" hidden among the playing field's squares, working as quickly as possible
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 Missing Dollar  Math Forum, a Classic Problem from the Ask Dr. Math FAQ
Three men go to stay at a motel, and the man at the desk charges them $30.00 for a room. They split the cost ten dollars each... where is the missing $1.00?
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