 Secondary Math Units  Margaret Sinclair
Units for grades 912. For grades 910: Data Collecting in the Classroom, Algebraic Problemsolving using Spreadsheets (a unit that emphasizes moving from numerical to symbolic representation), and a newspaper review unit on the Skydome. For grades 1112:
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 Second Grade (AAA Math)  John Banfill
Interactive math exercises, lessons, and games covering basic arithmetic
concepts and methods, for second grade.
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 Second International Conference on MatrixAnalytic Methods in Stochastic Models  Alfa, Chakravarthy
Information about the Second International Conference on MatrixAnalytic Methods in Stochastic Models (1998). See also the First International Conference (1995) page. The proceedings are published as a book by Notable Publications, Inc.
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 Second Moment  Stone Analytics
A meeting place for academia and industry in the fields of applied statistics and analytics, showcasing cutting edge academic research. Also a resource for industry analysts and businesses interested in applying the latest statistical and analytical tools
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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 Beehive  Keith Devlin; Guardian Unlimited Archive
The 4th century geometer Pappus was one of several ancient Greek mathematicians who suspected that the elegant shape of the honeycomb was a result not of an innate beesense of geometric beauty but of nature's efficiency. The repeating pattern of sixsided
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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 and Learning Astronomy and Cosmology Through the Lens of Music  Sloan Edward Williams III  YaleNew Haven Teachers Institute
Exploring music, astronomy and cosmology, starting with the historical roots; the Pythagoreans in particular contributed profoundly to the development of Western Music by discovering two facts: first, that the sound caused by the
string depends on the
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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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 Seeing Statistics  Gary McClelland; Duxbury Press
A browserbased statistics textbook that uses interactive Java applets to help students vizualize statistical principles. Registration is required; instructors may request an examination copy, and an introductory tour of a limited edition is available.
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 Seeing Theory  Daniel Kunin
Interactive visualizations of the fundamental concepts covered in an introductory college statistics or Advanced Placement statistics class: basic probability (likelihood, expectation, estimation); compound probability (set theory, combinatorics, conditional
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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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 Segments of Circles  Math Forum, Ask Dr. Math FAQ
Given partial information about a segment of a circle, how do you compute what you want to know?
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 Selected Books Using Technology for Instruction  David Hill, Temple University
A list of books that use technology for instruction for linear algebra, numerical analysis, differential equations, and engineering.
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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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 Selected Recent Publications  George W. Hart
Areas of Hart's research and pointers to further information, including a bibliography of his publications. Links to pages on: Multidimensional Analysis; Nonintrusive Appliance Load Monitoring; Telecommunications Network Management; Viterbi Algorithm
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 Selected Technical Papers by Title  UAB Graphics and AI Laboratory (GRAIL)
Papers from GRAIL, the University of Alabama at Birmingham Department of Computer and Information Sciences center for research in computer graphics and vision. Includes: The bisector of a point and a plane parametric curve; Computing point/curve and curve/curve
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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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 SelfContacting Fractal Trees  Don West, Department of Mathematics, SUNY Plattsburgh
Two very different forms of Mandelbrot and Frame's equation for tip contact, pointing out some gaps in logic and errors in statements, with proofs, or at least outlines, of the author's assertions.
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 SelfInstructional Mathematics Tutorials  Center for Support of Teaching and Learning, Syracuse University
Selfinstructional material for university students of chemistry, economics, political science and/or psychology. Math topics include fractions, decimals, percents, ratios and proportions, tables, bar graphs, circle graphs, the visual display of information,
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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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 Semidefinite Programming  Christoph Helmberg
A page for the entire semidefinite community. Links to lists of: Conferences and Workshops; Interior Point Algorithms; Geometry and Complexity; Applications in Combinatorial Optimization; Applications in Control Theory; Eigenvalue Oriented Approaches;
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 Semigroups (Catalogue of Algebraic Systems)  John Pedersen, W. Edwin Clark; Dept. of Mathematics, University of South Florida
Definition, examples, representations, and decision problems about semigroups.
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 Semigroup Theory  Jim Renshaw
A directory of Semigroup Theorists, bibliographic database, and conferences in Group and Semigroup Theory. With a link to a package for doing commutative diagrams, by Paul Taylor.
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 Seminar on Advances in Mathematical Sciences  Dr. Hemen Dutta
The National Seminar on Advances in Mathematical Sciences (NSAMS) commemorated the
128th birth anniversary of Srinivasa Ramanujan Iyengar. Organized in December, 2015, by the Assam Academy of Mathematics & Department of Mathematics, Gauhati University.
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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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 SemiSimple Lie Algebras and their Representations  Robert Cahn
A postscript version of the book, originally published by BenjaminCummings in 1984. Chapters include: SU(2); SU(3); The Killing Form; The Structure of Simple Lie Algebras; A Little about Representations; More on the Structure of Simple Lie Algebras;
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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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 SEOSL/MathSoL  HPC Software Inc.
Access this Science and Engineering Online Solution Library with username mathsol and password guest. SEOSL contains 2000 JavaScriptbased science and engineering solution functions. It can be used interactively on Web to compute geometry, basic math
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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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 The SeqFan Mailing List  Olivier Gérard
A mailing list for FANs of Integer SEQuences, bilingual in French and English, with a French acronym: Suites Entières: Questions, Formules, Analyse, Nomenclature, which translates as Problems, Formulas, Analysis, and Inventory of Integer Sequences.
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 Sequence and Series (calculus@internet)  WebPrimitives, Cambridge, Massachusetts
Links to Web pages for resources for sequences and series in calculus.
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 Sequence Cracker  Aleksandar Jus
A free Android app that challenges you to provide the next digit, given a sequence of numbers.
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 Sequuntur.com: the FREE way to mesh generation !
We are a research group offering FREE freeform triangular and tetrahedral mesh generation for open CASCADE (openCASCADE) models.
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 Serendip  Bryn Mawr College
An expanding forum and a continually developing set of resources for exploring and supporting intellectual and social change in education, social organization, and for making sense of life, organized into: Brain and Behavior, Complex Systems, Biology,
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 Serf Distance Education Environment  Hofstetter, Univ. of Delaware
Serf stands for serverside educational records facilitator, a Webbased distance education environment that makes it possible to create and deliver courses in a selfpaced multimedia learning environment, enabling students to navigate a syllabus, access
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 Series Math Study  Tue N. Vu
Formulas with proofs for many different series. Site encourages readers to submit their own contributions.
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