 A Little Math about the Golden Mean  Rashomon (K. Wiedman)
The Fibonacci Series and the Golden Mean are intimately connected. The Fibonacci Series is a series of numbers in which each number is the sum of the two previous numbers... The ratio of each term to the previous term in the Fibonacci Series is equal
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 The Little Math Puzzle/Le Petit Problème  Royal West Academy and Canada's SchoolNet
Weekly puzzles posted to Canada's SchoolNet Listserv, intended to be an Internet icebreaker activity for a wide range of classrooms. Inspired by The Great Canadian Trivia Contest, these puzzles are designed for students in grades 5 through 10 and usually
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 LiveCube.com  Min Shih
A puzzlebuilding system: small colored cubes may be joined to create larger assemblies. Site includes puzzle models, discussion areas for puzzle designers and educators, and a catalog of puzzle components for purchase. Requires several plugins; files
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 LiveSudoku  LiveSudoku.com
Play Sudoku free online at four different levels: beginners, medium, hard, and "wicked." The JavaScript game's options include pencil markings, highlighting, and solution checking. LiveSudoku.com also offers tutorials, tracks player performances on current
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 Living Math!  Julie Brennan
A site dedicated to sharing resources for learning, exploring and enjoying math in a dynamic and holistic manner. The homeschooling author has "... found that math history and literature humanizes math, makes it come alive, and provides the context needed
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 Living Maths HQ  Living Maths
Begun in 1995, this math olympiad has grown from a syllabus for one bright young student into a weekly challenge for thousands of South African learners.
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 L'île des mathématiques
Cours de mathématiques, tous niveaux: fiches à télécharger.
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 l'île des mathématiques  Tom Pascal
"L'île des mathématiques propose des cours et des exercices de maths et de
physique.
Il est possible de télécharger les nombreuses fiches.
Aussi bien pour les élèves que pour les professeurs de collège et de lycée.
Des forums gratuits d'entraide sont
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 Locating, Using, and Integrating InternetBased Mathematics Materials (NCREL)  Gilbert Valdez; Pathways to School Improvement
Goals, options for action, criticism, and implementation pitfalls; informative video and sound clips; organizations, agencies, and websites that work toward providing schools with better Internet and mathematics materials access. From the North Central
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 Lockhart's Lament  Keith Devlin (Devlin's Angle)
Keith Devlin writes in his March, 2008, column: "This month's column is devoted to an article called A Mathematician's Lament, written by Paul Lockhart in 2002. Paul is a mathematics teacher at Saint Ann's School in Brooklyn, New York. His article has
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 Lockheed Martin/UCF Academy for Mathematics and Science  University of Central Florida
A Master's Degree Program for K8 teachers dedicated to improving mathematics & science education throughout Central Florida. Site has links to a Mission Statement; Academy Description; Program of Study; Faculty and Staff; Advisory Committee Members;
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 Logical Art and the Art of Logic  Guenter AlbrechtBuehler
About pentominoes, the patterns they create, and what pentominoes have to do with Escher, Penrose, Logic, Impossible Objects, Mathematics, and Art. Download a DOS program, 'newpent.exe', that assembles (6x10) pentomino solutions manually or automatically
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 Logical Art and the Art of Logic  Guenter AlbrechtBuehler
An illustrated essay about pentominoes, flat shapes formed from five (Gr.pente = five) unit squares. Also a DOS program for pentomino solutions (6x10) and galleries of pentomino creations.
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 The Logic Puzzle Museum
Play with more than fifty different handson brain twisters, mechanical and logic puzzles  and craft your own. Regular events at this Burlington, Wisconsin, museum include Valentine's Day (makeyourown historic rebus valentines), celebrations of the
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 Logicville
Anagram, chess, cryptarithm, cryptogram, doublet, logic, mathematical, magic word square, and tangram puzzles. Select a puzzle at random; solve the puzzle of the week. Interactive puzzles require Java.
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 The Logic Zone
A collection of logic problems with answers, logic puzzles, and cryptograms.
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 The Logo Foundation
A nonprofit educational organization devoted to informing people about Logo and supporting them in their use of Logobased software and learning environments. The site includes links for workshops and seminars; books and videos; Logo software (at discount
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 Logotron Educational Software
A U.K.based division of Addison Wesley Longman, Logotron publishes educational software for schools in numerous subjects, including mathematics, datahandling, multimedia, internet, earlylearning, and crosscurriculum. All are tied to key stages where
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 Lois Terms's Home Page  Rebecca S. Lindsay
"Lois lives in a condo with her mixedbreed dog, G.C.F., and a goldfish named L.C.M. She dedicates her time and efforts to the task of making the world of math understandable and exciting to middle grade students..." Lois Terms answers emailed math
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 London Chess Classic  John Foley
This annual conference about scholastic chess and mathematics education features presentations, debates, and workshops. Freely download past meetings' slides from presentations such as "Chess in the Digital Classroom," "Building a Research Agenda for
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 Long Division  Math Forum, Ask Dr. Math Common Question
A selection of answers to questions about long division, with stepbystep explanations.
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 Longevity Publishing  Susan Greenwald, MA. Ed.
Author Susan Greenwald offers these reproducible books to help children of any age learn the math facts. The workbooks focus on teaching children strategies to remember the facts, and each offers lots of practice and review. See reviews, sample pages,
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 Looking for Gauss... or Waiting for Godot  Mathematical Sciences Education Board (MSEB)
Report on a 1994 symposium, "Mathematics Reform Goes to College," held at the National Academy of Sciences, which addressed three major areas: "Students With a StandardsBased Education," "Mathematics For All Students," and "Preparation of Tomorrow's
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 LookSmart Explore  LookSmart Limited
A Web directory and search engine. Search by keyword or look for sites in more than 24,000 categories (hierarchical menus lead from Reference and Education to Math and Computer Science and onward).
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 Lower School LEGO Projects  The Blake School, Minneapolis/Hopkins/Wayzata, MN
LEGO Logo projects are integrated into the science and computer curriculum of the Blake School. Students in the second grade study levers, third graders study pulleys, fourth graders study gears, and fifth graders combine their previous studies into a
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 LSCNet  TERC, Inc.
Best practices, issues, and resources for the National Science Foundation's 72 Local Systemic Change (LSC) Projects across the country. Each of these projects provides teacher professional development and curriculum innovation in the areas of math and/or
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 Lsquared  Laura Shears
Educational Flash and other software to "help facilitate both necessary basic skills as well as play to figure out concepts" so that students "learn how to think about math instead of memorizing procedures": algebra, arithmetic, art, demonstration tools
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 Lycos Internet Guide
Web information retrieval and discovery. Searchable index returns URLs and excerpts; or browse major categories: Autos, Business, Careers, Computers, [Education : Areas of Study : Mathematics,] Entertainment, Games, Health, Home/Family, Kids, Money, News,
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 M2C: Maricopa Mathematics Consortium  Alan Jacobs, Project Director
A Consortium for creating mathematics programs in which students learn the knowledge, skills, principles, and applications they can use throughout life to become smarter employees, consumers, citizens, and learners; and to build a coalition of schools
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 Machines That Eat Your Words (MegaMath)  Nancy Casey; Los Alamos National Laboratory
An introduction to the concept of finite state machines, and how they are used to design computer systems that will recognize patterns. A finite state machine is an imaginary (or abstract) machine that is used to study and design systems that recognize
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 Mad4Maths  John Massey, Mad4Maths.com
A free fun animated website featuring games and puzzles for kids aged 610 yrs. Also features guides for parents on how maths in now taught in schools and explanations of current multiplication, division, and addition/subtraction methods.
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 Mad Math Minutes  Harry Bogucki
A Javabased arithmetic practice page that allows you to specify the type of problem, numbers involved, and number of problems assigned, and check your answers.
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 Magic Cards  Chunsheng Ban
You see four cards, each with eight numbers. Think of a number from 1 to 15; Check ALL the boxes below the cards that contain your number; Click on the button "What's My Number?"; Your number will be displayed on the screen. Based on an exercise in a
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 Magic Geometry Canvas  Shigehisa Sekie
Interactive geometry shareware based on tangrams, for Win 95/98/ME/200/XP. Threeminute sample activities are included on the site.
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 Magic Math Kingdom  Nippon Educational Software Laboratory
Magic Math Kingdom is math game software, in which kids solve elementary math problems in order to rescue a frog princess. Also available is the Internet Geometry Education Tool OMAIL. With OMAIL, students can learn geometry by manipulating lines or
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 The MagicMazes at CONK! Hard Maze  Don Dodson
Mazes randomly generated on the fly for you to print out and solve. Reloading the page instantly produces a new maze. An easier maze is also available.
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 The Magic of Math  magicofmath.org
Communicate and share the delight of mathematics. Talk to a math whiz about how math makes the world go round, get pointers on how to figure out a math problem, or just chat about math by sharing cool ideas, original math jokes, poems, riddles, art, problems
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 Magic Square Puzzle  Dubi Kaufmann
In this Shockwave activity, the goal is to arrange jigsaw puzzle pieces numbered 0 through 15 on a four by four grid so that the sum of each row and column is equal to 30. Explorer preferred.
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 Magic Worksheet Creator  Ubiquitous Software Solutions, LLC
Magic Worksheet Creator is a computer program that generates math problems and prints classroom assignments, homework, and tests. The trial version is free.
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 Magnetic Colors: Fun Math Manipulative  Lynn Saunders, Fridge Artist, LLC
This page offers ideas for using magnetic color squares as a medium for teaching elementary math concepts. Magnetic Colors kits are available from this site; more information on other uses and purchasing are available here.
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 MakeaFlake  Barkley Interactive
Make your own snowflakes online: use the Flashpowered scissors to cut along the edges of a folded piece of virtual paper. Preview the unfolded results along the way; when ready, save your design to the gallery, where you may view and download plans for
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 Make The Number  Carlos Lawton
Inspired by the arithmetic game 24, this app for iPhone and iPad presents four numbers and the standard operations to combine to make a fifth number.
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 Making Home and School Connections with Math Homework in a Bag  David A. Reid
Knowing that children's attitudes toward reading and their interest and curiosity about the world are greatly influenced by those closest to them, Reid has developed a program to encourage parental involvement in activities that connect mathematics carried
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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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 Making of America Books  University of Michigan
This digital library of primary sources in American social history includes dozens of schoolbooks on arithmetic and other mathematical subjects that date to the antebellum period through reconstruction. Search or browse scanned graphics or transcribed
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 Making Polyhedra  Jan Garner
Exercises on constructing polyhedra. Introduction, Triangular Face Exercise, Regular Polyhedra. Also polyhedra links on the Web.
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 Making Predictions (SMILE)  Lucille Chambers, Lyman Trumbull School
A lesson designed to teach students at any level to classify and make predictions as they learn about ecology and plant life. From the Practical and Applied Math section of a collection of almost 200 single concept lessons by the Science and Mathematics
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 Making Tracks towards Area  Chris, Jessie, Avie, Paul, and Luke, South Decatur JuniorSenior High School; ThinkQuest 2003
The winners of the ThinkQuest USA 2003 contest for the state of Indiana present information about finding the area of circles, triangles, squares, rectangles, and other polygons. After exploring those pages, students can test their knowledge by selecting
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 Malba Tahan  André de Faria Pereira Neto
Site oficial da família e dos admiradores de Malba Tahan, pseudônimo do professor de matemática Julio César de Mello e Souza. Bibliografia, fotos, documentos, e mais sobre o autor do O Homem que calculava, Matemática
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 Mango Math  Mary Curry
Gamebased math lessons and accompanying videos which make use of manipulatives such as dice, spinners, counters, play money, and laminated game boards with dry erase markers. Mango Math bundles its lessons and game materials by grade for sale in prepackaged
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