 The history of cartography
 MacTutor Math History Archives
Linked essay on how map making has played an important role in the development of mathematics.
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 The History Of Computing  Dept. of Computer Science, Virginia Tech
Index of the items in a collection of math history materials related to the history of computing by J. A. N. Lee, EditorinChief of the IEEE Annals of the History of Computing, constructed as part of the course materials for the "Professionalism in Computing"
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 The History of Mathematics
Notes from a History of Mathematics course given at the Univ. of South Australia and a Graduate Certificate in Mathematics Education project. Topics include a chronological study of the development of number from a European and Eastern perspective; the
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 History of Mathematics  David Joyce; Dept. of Mathematics & Computer Science, Clark University
History sources, books and articles online. Sources by region (Babylonia, Egypt, China, Greece, India, Arab sphere, Japan, and Europe); Books and other nonweb resources (organizations, bibliography of source books, journals, bibliographies and catalogues,
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 History of Mathematics (Mathematics Archives)  University of Tennessee, Knoxville (UTK)
An alphabetical list of some of the best sites for math history on the Web, part of the Math Archives' collections of Math Topics. Icons provide more information about level, interactivity of site, Java, and presence of images or links.
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 History of Measurements  Tiffany Chambers
Capsule histories of measurement (length, volume, weight, time) and select measurement tools (the sundial, water clock, hourglass, and chronometer; the barometers; the mercury hermometer).
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 History of Science and Math
A "free, communitydriven Q&A" for those interested in the history and origins of science and mathematics. Post, answer, and vote up or down questions such as "Ancient Chinese numbering system," "What evidence is there that Fermat had a proof for
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 History of Science, Technology, and Medicine  WWW Virtual Library (WWWVL)
A searchable online service established to keep track of information facilities in the history of science, technology and medicine. Sites are available alphabetically or by scientific field, source, exhibitions, institutions, regions, a historical biographical
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 A history of time: 20th century time
 MacTutor Math History Archives
Linked essay on the dramatic changes in ideas about time in the 20th century.
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 A history of time: Classical time
 MacTutor Math History Archives
Linked essay on the central role time has played in mathematics from its very beginnings.
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 A history of Zero  MacTutor Math History Archives
Linked essay on the development of the concept of zero. There are two important but different uses of zero: one as a empty place indicator in our placevalue number system, and one as a number itself in the form we use it as 0. There are also different
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 História da Matemática  Centro de Competência Nónio da Malha Atlântica
Uma colecção de problemas de diferentes civilizações, ao longo de diferentes períodos da história. Contandose a origem e história de alguns problemas ou tipo de problemas. Cultúras incluem Egipto,
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 História da Matemática  história dos problemas  Maria João Lagarto
Uma colecção de problemas de diferentes civilizações, ao longo de diferentes períodos da história. Contandose a origem e história de alguns problemas ou tipo de problemas. Cultúras incluem Egipto,
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 HitTrackerOnline  Greg Rybarczyk
Hit Tracker "determines the true distance a home run travels by recreating the precise trajectory the ball followed during flight, and extending that trajectory all the way back to field level to allow 'measurement' of the home run." Hit Tracker's spreadsheet
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 Hoagies' Gifted Education Page  Carolyn K.
Research, reviews, professional and social organizations, internet explorations, and other resources for gifted children and their parents and educators. Math items available in all subsections of the site.
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 Hogwarts Express to Improved Problem Solving and Mathematical Communication  Judy Ann Brown
Download PDFs of problems based on the Harry Potter books by J.K. Rowling: Eight Digit Puzzle; House Flags; Secret Passageway; Wizard Cards Front; Wizard Cards Back; Coins; Bertie Beans; and Hogwarts Express Problem Solving Set.
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 Ho Math and Chess Learning Centre, Vancouver, BC, and affiliates  Frank Ho
Site features downloadable math and mathematical chess materials, information on the centers and the classes they offer locally, and franchising details for the centers.
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 Home : Classroom : Mathematics  R. Jerry Adams, Awesome Library
Links to Web resources for K12 math education and concerns, including math Standards. Discussions (ask a science or math expert, teacher's issues); games; lesson plans; project materials; papers for or about math education; classroom math projects.
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 Home of the BEDMAS: A Mathematical boardgame  Alagan Elavalagan
Each player forms an equation on the tile bar using number tiles of random
values. The players should take advantage of the number and operator tiles
to maximize their score.
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 A Homepage for New Math Teachers  Terri Husted
A page created by a middle school teacher to give new math teachers a few pointers and ideas to help with their teaching, focusing on "the qualities of good teachers and not just good programs." Includes: How to Start Making Connections; A Clear Lesson;
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 Homepage Michel Delord  Michel Delord
Une site opposé "à la spirale qui prétend faciliter la compréhension en allégeant les savoirs fondamentaux.... [et] à la justification de cette spirale qui sépare l'intelligence conceptuelle de ses manifestations
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 Home Page of Andrei Toom, André Toom  Andrei Toom, Department of Statistics, Federal University of Pernambuco, Recife, Brazil
The home page of one of the developers of the ToomCook, or Toom3 algorithm, a method of multiplying two large integers. Toom's Englishlanguage mathematics articles, published in journals such as the Journal of Statistical Physics, include "NonErgodic
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 Homepage of Torsten Sillke  Torsten Sillke
A collection of puzzles statements, with references, on a variety of topics: operations research, such as crossing the bridge; logic, including liars and truth tellers, mastermind, and age problems; lateral thinking, also known as "situation puzzles";
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 Home Page  Tony Roberts; Dept. of Mathematics and Computing, University of Southern Queensland, Australia
Links to recent research papers (titles, abstracts and electronic copies of recent research documents); software (computer routines to do various taks such as estimate fractal dimensions, solve DAEs, etc,, mainly in Matlab); teaching and other material
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 Home Run Numbers  Ivars Peterson (MathTrek)
The integers 61 and 62 have been very much in the news this summer. On the majorleague baseball front, Mark McGwire hit his 62nd home run on Sept. 8, and Sammy Sosa matched that total on Sept. 13, surpassing the record of 61 home runs in a season held
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 Home Schooling: Articles and Research  Carolyn K., Hoagies' Gifted Education Page
Articles and reports on homeschooling, in particular in the context of the education of gifted children.
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 Home Schooling  Beauregard Parish (Louisiana) Public Library
Links to sites with information about home schooling.
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 Homeschool Math
Free resources for homeschool math teaching: worksheet generator, curriculum corner, math textbook for grades 15, teaching tips, and a resource link list emphasizing interactive content and games.
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 Homeschool Math Blog  Maria Miller
Math blog aimed at helping teachers and homeschoolers teach math better. Includes math history topics, news, book reviews, resource links, updates to HomeschoolMath.net site, lesson ideas and more.
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 Homeschool Math Contests  Haddon Fox
A list of dozens of math contests open to individuals and which do not require gathering up teams  a requirement that often poses a challenge for homeschoolers. homeschoolmathcontests.com also lists many more regional meets sponsored by colleges and
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 HomeworkCentral  HomeworkCentral.com, Inc.
A free online learning environment designed to provide students, parents, and teachers with links to selected Internet sites. Includes a Mathematics Discussion Board and, for teachers, a lesson plan search (search for math).
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 Homework H(e)aven  Morris County Library
Recommendations, strategy, and pointers to search engines and favorite sites for finding reliable information for students' assignments.
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 Homework Help  Homeworkhelp.com, Inc.
Over 1000 tutorials, indexed for searching, for help with math, English, science, and ESL. Middle School math (grades 68) covers fractions, decimals, percents, graphing, functions, geometry, etc. High School math offers prealgebra, algebra I and II,
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 HomeworkNow
A free online service intended to keep teachers, students, and parents connected. The service allows teachers to post homework assignments on the web; students and parents may acess assignments at any time. Schools must register and select an administrator
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 HomeworkSpot  StartSpot Mediaworks, Inc.
Designed to help students start homework assignments that require online resources, HomeworkSpot also provides reinforcement activities in a variety of subject areas including mathematics. Math sections provide links organized as general sites, topics,
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 HomeworkTV.com
Video lessons for grades 68 "presented by a live National Certified teacher who explains lessons in real motion." A topic list for each grade is available on the site.
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 Honest Open Logical Debate (HOLD)
Debate on math reform  an organization of people in the Palo Alto (California) community who feel that some of the changes being made in the name of educational reform are being implemented too rapidly, and without community input. With an extensive
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 Honeycomb Hotel: A Unit in Logic  Barbara De Roes
A lesson plan for grades 512+, for teaching deductive logic, using puzzles not dependent upon language. "Honeycomb Hotel is a game of logic and deduction.
You must determine which symbols are on which doors of the Honeycomb Hotel, and the exact path
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 Hooda Math  Michael and Teresa Edlavitch
Interactive games, math movies submitted by students, tutorials, and links for students and teachers.
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 Hope's Books  Hope Martin
Math workbooks for elementary, middle school, and high school teachers, designed to integrate handson, motivating activities with skills and concepts reflecting the new Standards. Also workshops for teachers. Books to order online include: What Year
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 Hope's Mathematics Books for Teachers  Hope Martin
A collection of math activity books to order for elementary, middle school, and high school students, written by Hope Martin: What Year am I?: A Math Warmup a Day, Multiple Intelligences in the Mathematics Classroom, 730 Daily Math Warmups, Integrating
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 Horizon Research, Inc.
A private research firm located in Chapel Hill, North Carolina, that specializes in work related to science and mathematics education. Recent project include Looking Inside the Classroom, A Study of K12 Mathematics and Science Education in the United
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 Horology: The Index  Fortunat MuellerMaerki
Internet resources on clocks and time: directories, dictionaries, glossaries, etc.; organizations, information sources (horological homepages; email addresses for cyber horologists; other electronic media: newsgroups, directories, ezines, mail lists,
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 Hotel Infinity (MegaMath)  Nancy Casey; Los Alamos National Laboratory
Will a hotel with an infinite number of rooms always have a vacancy? Students develop number sense, use numbers and number relationships in problemsolving situations, and communicate the reasoning used in solving these problems. Key concepts include
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 Hotlist of K12 Internet School Sites  Gleason Sackman, GSN
A comprehensive listing of K12 school web sites, organized by state.
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 Hotmath
Tutorial solutions for the oddnumbered homework problems in many U.S. math textbooks, algebra through calculus. A site designed to provide students with help in doing homework directly from their own books, and teachers with a resource to use in the
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 HOT Math  Pauline Vos
Handson tasks in the mathematics classroom, a resource site for teachers of students around 14 years of age. Among the topics are angles, symmetry, scale drawing, balance algebra, tables, combinations, statistics, probability, reasoning, finding rules
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 HOTmaths  HOTmaths Pty Ltd
HOTMaths' interactive online math learning and teaching resources include interactive activities, a math dictionary, and Scorcher, an online basic mental arithmetic skillsbuilding competition. All content aligns with Australia's early secondary school
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 The Hot Tub: Interpreting Graphs  Cynthia Lanius
Questions to answer about a graph... Notice the connection between the slope of the lines and the rate of change of the water depth. On what segments is the slope positive, and the water depth increasing? negative, and the water depth decreasing? On what
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 Houston Area RealTime Traffic Report  Susan Boone
Students calculate the time needed to travel a certain distance given the rate of speed with data collected using "realtime" traffic maps of the greater Houston area. Over a period of one week, one month, and one school year, traffic patterns are studied
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