 Let's Read Math  Claire Passantino
A national math literacy program that aims to "spread a joy for mathematics among children and the adults who care for them — at school, at home or in various outofschool settings." Let's Read Math (LRM) offers parentchild workshops that promote
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 Let's Take a Trip  G. Carney
Students use the Internet to find the distance from their home city to another city; decide how many miles they could travel in one day; find places of interest to visit along the way to their final destination; and describe in a daily journal the places
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 Letters to a Young Math Teacher  Rising, Gerald; and Patenaude, Ray
Softcover and Kindle book to "assist the neophyte teacher as he or she enters the real world of the school" based on the experiences of Rising, a former National Council of Teachers of Mathematics (NCTM) board member who has taught and served as department
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 Lexique de mathématique  Paul Patenaude
Lexique alphabétique pour l'enseignement primaire et secondaire, abaque  zéro. In French.
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 Liars and Truthtellers  Math Forum, a Classic Problem from the Ask Dr. Math FAQ
A princess visits an island inhabited by two tribes. Members of one tribe always tell the truth, and members of the other tribe always lie. What question should the princess ask the natives to find out the right road to take?
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 Library of Congress
A Global Electronic Library linking to WWW meta indexes and search tools, federal government information, and other WWW resources by subject. Search using a keyword (such as mathematics) to find relevant pages, then use your browser's 'find' function
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 Library Video Company
Library Video Company offers a searchable, browseable catalog of video and CDROM products for mathematics instruction on the K12 level, from addition to variables. This resource for primary and high school math educators looking for curriculum enhancers
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 Lightning Reflex  Jason Lowe
Online math competitioncompete with people from all over the world. Every month features a different
area, such as timestables or addition. Requires Flash 6 or higher.
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 Lightspan  The Lightspan Partnership Inc.
The education portal and Internet presence of The Lightspan Partnership, whose primary concern is the use of technology in teaching, offering Lightspan PageOne, which allows teachers to use forms and templates to create a class resource page on the Web.
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 Limited English Proficiency Students and Mathematics  Kristen Lockwood; Math Forum
An annotated bibliography of resources for mathematics teachers and others interested in how language may affect the thought, achievement and assessment of students of limited English proficiency, as well as these students' access to knowledge and education.
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 Links to Information on Number Systems  Suzanne Alejandre
Arabic, Babylonian, Chinese, Egyptian, Greek, Mayan, and Roman number systems, two to ten links in each category.
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 Literature and Mathematics  Math Forum, Teacher2Teacher FAQ
Answers to a frequently asked question: How can I teach mathematics using literature?
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 Literature for Science and Mathematics: Kindergarten Through Grade Twelve  California Department of Education
A collection of over one thousand science and mathematicsrelated picture books, easy readers, classics, and other works of literature for children and adolescents. The recommended titles reflect the quality and the complexity of the types of materials
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 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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 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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