 sciencetotouch  Jürgen RichterGebert
Projects for interactively visualizing science, from one of the coauthors of the Cinderella geometry software package: iOrnament, a drawing and explanation app for the 17 crystallographic wallpaper groups; ixquadrat, a museum exhibit of symmetry, Escher,
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 Science vs Magic  Nico Disseldorp
JavaScript by Disseldorp, who "likes it when simplicity makes complexity": tessellation kit, for kaleidoscopic drawing; fractal machine, for investigating seven axes of self similarity; logic grid, for exploring recursion; and elementary cellular automata.
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 Scientific Notation  Math Forum, Ask Dr. Math Common Question
A selection of answers to questions about scientific notation, using it to write very large or very small numbers, and adding, multiplying, and dividing with the notation.
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 Scientific Surfing for Children  Mike May, American Scientist
An early article about the World Wide Web by Mike May in the NovemberDecember issue of American Scientist, pp. 568571, discusses the world of scientific information and activities on the Internet, and forums in which professional scientists are waiting
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 Scientist Cards  All Too Flat
Trading cards, humorously based on Topps and Fleer baseball cards, list the writing preference, dominant cortex, university, and key contributions of Richard Feynman, James Clerk Maxwell, Isaac Newton, Albert Einstein, Claude Shannon, Leonhard Euler,
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 Scientists in the City  The Franklin Institute Online
Public Science Day is an annual event, organized by the American Association for the Advancement of Science (AAAS), when students visit informal science institutions in Philadelphia, PA. In 1998, ten schools visited The Franklin Institute for the day
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 Scientopica  Dr. Ken Milligan
A science portal that aims to make the acquisition of scientific information more efficient. Services include a sciencespecific search engine and directory, 8 categories of constantly updated science news, a science events calendar, forums, reviews,
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 SciPhilately: A Selective History of Science on Stamps  Maiken Naylor; Science and Engineering Library, Univ. at Buffalo, Buffalo, NY
Stamps from the personal collection of the author, Maiken Naylor, in the following categories: Astronomy and Cosmology; Instruments and Measurements; Mathematics and Computation; Chemistry; Evolution and the Fossil Record; Biology; Heredity and the Genetic
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 sci.stat.edu  Math Forum
An unmoderated newsgroup focused on statistics education. Read and search archived messages; and register to post to the discussions. Also available at http://lists.psu.edu/cgibin/wa?SUBED1=edstatl&A=1.
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 scMaths: Singapore Primary Maths Explained  SC Eduware
Information and resources on primary level (ages 6 to 12) mathematics as taught in Singapore primary schools.
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 SCORE! Educational Centers
An educational and entertaining site for parents and educators, with helpful articles on motivating and communicating with K8 kids, questions and answers, handson activities, interactive message boards, and a store.
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 ScottBeall.com  Scott Beall
Professional development programs for mathematics teaching and interdisciplinary curricula, emphasizing the integration of music and mathematics. With examples from his recent publication Functional Melodies  Finding Mathematical Relationships in Music
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 Scott Kim, Puzzle Master
A puzzle and graphic design creator, Scott Kim offers links to his online puzzles, a gallery of inversions (or ambigrams, words or names written so they read in more than one waysome read upside down, some flip in a mirror, some read as two different
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 Scout Report Signpost: QA  Mathematics  Internet Scout Project
A selected set of mathrelated Internet resources chosen by the editorial staff of the Scout Report. Resources are cataloged, classified, and arranged using existing taxonomies such as the Library of Congress Classification Scheme and the Library of Congress
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 ScriviFacile Math Algebra  Alessandro Danieli
Learn basic operations with this readaloud Windows software that colorcodes each arithmetic step. Download a demo; purchase the full version.
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 SDK's Speed Math Tutor
'Speed Math Tutor using vedic methods' is a CD giving simple methods and techniques for speed computation in addition, subtraction, multiplication, squares and cubes. Audio explanation is given by a friendly character at every stage. Unlimited examples
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 The Seaborg Center  C. Wozniak, Northern Michigan University
The Glenn T. Seaborg Center for Teaching & Learning Science and Mathematics reflects Seaborg's belief that, in today's world, each citizen must have a solid base in the understanding of and appreciation for scientific concepts and the technology to
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 Search Ask Dr. Math Archives  The Math Forum
Search by keyword K12 math questions answered by volunteer 'math doctors' in the U.S. and abroad.
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 Search for Math on the Internet  The Math Forum
Keyword search of all searchable archives, Newsgroup archives, Dr. Math archives, Problems of the Week, Internet Math Library, or any combination thereof.
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 Searching for Information  Math Forum, Teacher2Teacher FAQ
Answers to a frequently asked question: How do I find information by searching on the Web? Suggestions include ideas to try, archived T2T conversations on the subject, links to search tips on the Forum site and other popular search engines, and links
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 Search the Internet Mathematics Library  Math Forum
Select the desired Math Topic, Math Education Topic, Level, and Resource Type.
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 Search the MacTutor History Archive  University of St. Andrews, Scotland
Search all or any combination of topics: Biographies; References; Quotations; History Topics; Bibliography; Famous Curves; Societies. With search suggestions.
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 Search the UK Mirror Service  Higher Education National Software Archives
Formerly HENSA, this UK service maintains copies of electronic archives from all over the world, providing access to a wide range of uptodate software for those using PC's and microcomputers. The indexes searched allow you to find software held in any
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 The Secret Garden of Maths  Micky Bullock
Blog by a secondary school maths teacher (Forest School, London, UK) that aims to provide "maths to the masses," with a preference for illustrations via GeoGebra. Bullock describes his "paranoia [as] rooted in the average person's contemptible indifference
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 The Secret Lives of Numbers
A Java applet histogram exploring the relative popularity and cultural associations of every integer between 0 and one million. Numbers such as 212, 486, 911, 1040, 1492, 1776, 68040, and 90210, for example, occur more frequently than their neighbors
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 Secret Millionaires Club  A Squared Entertainment LLC
Lessons, webisodes, and prime time specials that use reallife situations to teach young people how to succeed in life and in business. See, in particular, the free financial literacy classroom materials available through the Learn and Earn promotion.
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 Secrets of the Fathom Masters  Tim Erickson
"Get your Fathom questions answered here" by a member of Key Curriculum Press' design team that developed the software for data analysis and statistics education. When Erickson needs to write instructions for some procedure using Fathom, he posts them
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 Seedbed  Tom O'Brien, ed.
Throughout the 1980s, Seedbed published articles on "the intellectual growth of children, and teachers' participation therein." Editor Tom O'Brien described the publication as a practical one, "where teachers are the principal authors and where teachers'
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 SEED  Math Puzzles  Schlumberger Excellence In Educational Development (SEED)
Creative puzzles, with solutions, in number sense; arithmetic; probability; algebraic thinking; geometry, spatial reasoning and visualization; topology; logic; combinatorics; and more. Also available in Arabic, Russian, and Chinese.
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 Seeing Math Secondary: Interactives  the Concord Consortium
Seeing Math has developed interactive software Java tools to clarify key mathematical ideas in middle and high school mathematics. Each interactive provides a realtime connection between representations of the mathematics (symbolic, graphical, etc.),
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 Seeing Red  Keith Devlin (Devlin's Angle)
Though it is fashionable to talk about the mind as a computer, a better description is that it is a pattern former/recognizer... The problem facing the computer scientist trying to equip a computer with vision is how to simulate
this pattern creation/recognition
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 SeeMath.com  Tal Greengard
Free animations of mathematical concepts, with explanations: whole numbers, negative numbers, fractions, cups and counters, operations, carrying tens using base ten blocks, and more.
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 Selected Internet Calculator Resources  Math Forum
Selected Internet resources for integrating calculators into the math classroom, one of the Math Forum's series of pages dealing with issues in math education. curricular resources (articles, courses, textbooks); graphing calculator resources; online
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 Selected Papers  Louis A. Talman
"An Unfortunate Metaphor" [the assembly line], Notices of the American Mathematical Society, 40 (1993); "Weekly Journal Entries  An Effective Tool for Teaching Mathematics," Using Writing To Teach Mathematics, MAA Notes, No. 16, Mathematical Association
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 The SELECT Math Project  Boston Public Schools
The SELECT (Supporting Engaged Learning by Enhancing Curriculum with Technology) Math Project is a Boston Public Schools resource that features over 200 links to webbased virtual manipulatives and resources that directly support the mathematics curriculum
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 Self Portrait at Age 13: Albrecht Durer 1484  Ralph Martel
A paper illustrated by a PowerPoint slide show to demonstrate how Albrecht Durer used geometry in his art work from the age of thirteen. This paper by Martel is one of a series that he is writing on mathematics and art. Suzanne Alejandre wrote a teaching
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 SelfReference and Apparent SelfReference  Interactive Mathematics Miscellany and Puzzles, Alexander Bogomolny
Various paradoxes, real and imagined, including verbal, logical, and mathematical examples, and links to: Blinking page with errors; Apparent paradox; Set of all subsets; An Impossible Page; Russell's paradox; and An Impossible Machine.
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 Selfsimilarity  Robert L. Devaney; Dept. of Mathematics, Boston University
A section from the paper "Chaos in the Classroom," describing selfsimilarity, with the example of the Sierpinski triangle.
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 SelfTutoring Math Kit  MATHCO Educational Materials
All instruction is on cassette tape in both English and Spanish. The kit provides an Instruction Manual with explanations of over 50 mathematical objectives, including Place Value, Rounding Off, Operations of Whole Numbers, Decimals, Common Fractions,
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 SEMAA: Science, Engineering, Mathematics, and Aerospace Academy  NASA's Glenn Research Center; Cuyahoga Community College
Created to expose historically underrepresented youth to activites in the fields of science, engineering, mathematics, and technology, SEMAA offers information about its classes and program as well as links and contact information.
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 Semiregular Tessellations  Totally Tessellated
Color renditions and real examples of the semiregular tessellations. Templates allow you to print renditions of each tessellation suitable for coloring activities.
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 Semple Math  Stevenson Learning Skills
Do you count on your fingers to add and subtract? Using a sequence of images, songs, rhymes, stories, associational clues, and other mnemonics to teach and build learning, Semple Math is a mathematics program for beginning, highrisk and/or remedial students
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 Senari Software  Senari Programs
Interactive computer programs for K10 math, including Math Flash Cards, The PreAlgebra Class, The Algebra Class, and The Geometry Class. Worksheet generators use randomly generated numbers to produce unique sheets. The scope of the generators ranges
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 Sense and Dollars  Maryland Public Television
The Sense and Dollars project helps middle and high school students learn about and practice effective ways of earning, spending, saving, and investing money in a safe, interactive environment. Activities include: Earning Money (All About the Benjamins,
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 SEN Teacher Resources
Resources, freeware downloads, links and documents for those involved in the education of pupils with learning difficulties, autism and other special educational needs. Some of the materials may also be of use to teachers and parents of primary aged children.
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 Septangle  Paul Nahay
Play the game, Septangle, online! Septangle is copyrighted by Dr. Paul Nahay, (DMA, Stanford University 1983).
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 SERVE
An education organization promoting and supporting the continuous improvement of educational opportunities for all learners in the Southeast United States. SERVE provides resources, services, and products in the program areas of assessment, accountability,
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 Sessions on Assessment at the AMS/MAA Joint Meetings  The Math Forum
The 1996 Joint Mathematics Meetings in Orlando, Florida featured presentations on assessment.
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 Sessions on Humanistic Math at the AMS/MAA Joint Meetings  The Math Forum
The 1996 Joint Mathematics Meetings in Orlando, Florida featured presentations on the scholarship of humanistic mathematics.
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 The Set Game Company  Set Enterprises Inc.
SetGame is a family game of visual perception. Take the Java tutorial; learn the math behind the game (create a 3x3 magic square with SET cards, learn why the largest possible "no set" contains 20 cards, explore set theory and set operations involved
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