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  All Sites - 6870 items found, showing 5701 to 5750

  1. Skill in Algebra - Lawrence Spector
    An introduction to algebra, with questions that, when moused over, reveal their answers: algebraic expressions, signed numbers, adding and subtracting signed numbers, multiplying and dividing signed numbers, reciprocals and zero, removing grouping symbols, ...more>>

  2. Skills and Competencies Needed to Succeed in Today's Workplace - NCREL: North Central Regional Educational Laboratory; Learning Point Associates
    Because the world of work is changing, the U.S. Departments of Labor and Education formed the Secretary's Commission on Achieving Necessary Skills (SCANS) to study the kinds of competencies and skills that workers must have to succeed in today's workplace. ...more>>

  3. Skimming A Century of Calculus - Cut the Knot!, Alexander Bogomolny
    A comprehensive effort is under way to modernize instruction in undergraduate mathematics. In the November issue of the FOCUS newsletter, MAA has announced a two-year $900,000 grant from the NSF to construct the Mathematical Sciences Digital Library (MATHDL). ...more>>

  4. Skydome Unit Plan - Ruth Carver, Margaret Sinclair
    A unit suitable for grades 7-11 with the objectives: to review many different mathematical skills; to work on a unit that connects with the "real world"; to improve reading for information skills. Questions include: What is the lowest price for a seat ...more>>

  5. Skymath National Weather Report Module
    An overview of an instruction unit in which students produce a national weather report and a report on their understanding of various weather phenomena. The unit ties together number sense, symbols, and graphics; emphasizes sorting and counting and making ...more>>

  6. Slates, Slide Rules, and Software: Teaching Math in America - Smithsonian National Museum of American History, Behring Center
    An exhibit on mathematics teaching devices from the Smithsonian's National Museum of American History, focusing on innovations in mathematics teaching from the blackboard to graphing calculators and computer software. ...more>>

  7. Sliders - Cut the Knot!, Alexander Bogomolny, with Don Greenwell
    A variation of the Fifteen puzzle invented by Sam Loyd in the early 1870's: puzzles on graphs, including a proof independent of Wilson's theorem that all Lucky 7 permutations are possible; and variations of Sliders, a Fifteen-like puzzle that can be played ...more>>

  8. The Slide Rule Universe - Sphere Research Corporation
    Slide rule information, lessons, archives, links and an on-line marketplace: buy, bid for, or swap restored classics, new slide boxes still in the box, and low cost first student rules; learn to operate and care for your slide rule, from Hartung's "A ...more>>

  9. Sliding Pi - Ivars Peterson (MathTrek)
    "The entrance to the Downsview subway station in Toronto presents visitors with a striking vista. A vast mosaic of square tiles sweeps across a curved wall, inviting viewers to trace its lines and ponder intriguing irregularities in its color scheme ...more>>

  10. The Sliding Triangle - Paul Kunkel
    Investigate ellipses by tracing triangle transformations. ...more>>

  11. Slinky Science - National Engineers Week Committee
    Classroom activities include Racing Slinkys, which describes how inertia, gravity, potential energy, kinetic energy, and longitudinal waves are demonstrated when the Slinky "walks" down stairs or an incline; Slinky Waves, which outlines how Slinkys exhibit ...more>>

  12. Sloan Digital Sky Survey
    The astronomical surveys of the Sloan Digital Sky Survey (SDSS) have "obtained deep, multi-color images covering more than a quarter of the sky and created 3-dimensional maps containing more than 930,000 galaxies and more than 120,000 quasars." SDSS's ...more>>

  13. Slocum Puzzles - Jerry Slocum
    Puzzle collector and author's site. Features puzzle descriptions, shop, descriptions of books written by Slocum and collaborators, and a history of Slocum's famous Puzzle Parties. ...more>>

  14. Slopes and Ski Trails (Why Slopes and More Math) - Alan Selby
    What is calculus? If you have ever seen or gone skiing or just walking over hills then you know about slopes and you have met or felt basic ideas in calculus. Calculus in the first instance is the subject of slope computation and interpretation, and the ...more>>

  15. Slope, Slope-Intercept, Standard Form - Math Forum, Ask Dr. Math Common Question
    A selection of answers to questions about the slope of a line, and about the slope-intercept and standard forms of the equation of a line, such as "Why are the slopes of perpendicular lines negative reciprocals?" and "How would I draw the line y = (2/3)x ...more>>

  16. Small Group Interactions (Learning and Mathematics) - Susan Bobbitt Nolen; Math Forum
    In this 1991 article, "Small-group interactions as a source of learning opportunities in second-grade mathematics," Yackel, Cobb, and Wood, of Purdue University Calumet, Vanderbilt University, and Purdue University, respectively, describe an experiment ...more>>

  17. A Small Puzzle - Joe Fields
    The site offers a visual proof that the sum of the first n consecutive odd numbers is n^2, the "L"-decomposition. ...more>>

  18. SMARTBoard Mini-Movies - Jamie Tubbs
    Enhance your SMARTBoard Notebook presentations with these mini-movies, which are simple Flash animations. Mini-movie topics include: Alphabet Geometry (angles, similar figures, symmetry, transformations, tessellations), Everything Geometry (geometry basics, ...more>>

  19. SmartBoardWiki - Tangient LLC and wiki participants
    SmartBoardWiki is a venue where teachers can read, discuss, and increase their experience with SmartBoard technology. Sections include: Hardware FAQs, PD Materials, SMART Use Checklist, Lesson Creation, Advanced Integration, Teacher Notebook Lessons, ...more>>

  20. SMART Catalog - Science and Math Advancement and Resources for Teachers (SMART)
    A searchable list of professional development and resource providers for mathematics, science, and technology, organized alphabetically or according to the California Math and Science Frameworks. Articles spotlight professional challenges and successes. ...more>>

  21. Smartkiddies Mathematics - Andy Hobeika
    Free interactive lessons, number challenge exercises, worksheets -- and visual reporting for instant feedback. To begin, select a year (one through seven, corresponding to Australia's curriculum), then a module, ranging from whole number to position & ...more>>

  22. SMART: Science and Mathematics Advancement and Resources for Teachers - Los Angeles Educational Partnership
    A program designed to help teachers in Los Angeles County (California, USA) develop their professional teaching skills and content knowledge. Links for Teachers, Students, Businesses and Institutions, Parents, and Community Members. Includes the SMART ...more>>

  23. Smart Systems Software - Korey Mateer
    Smart Systems Software provides freeware for research and development in the field of mathematics. BigGoo Numerical Library, SmartData Data Dictionary, Smart Systems Library, and The Magic Matrix. ...more>>

  24. Só Matemática - Só Matemática
    Material para ensino fundamental, médio e superior, além de provas online, biografias de matemáticos, trabalhos de alunos, um acervo de softwares matemáticos, artigos, jogos, curiosidades, histórias, fóruns de ...more>>

  25. SMILE Program Mathematics Index - Science and Mathematics Initiatives for Learning Enhancement
    Over 200 single-concept lesson plans in the following categories: Geometry and Measurement, Patterns and Logic, Probability and Statistics, Recreational and Creative Math, Practical and Applied Math, Arithmetic, Graphs and Visuals, Algebra and Trigonometry, ...more>>

  26. Smithsonian Institution
    An independent trust instrumentality of the United States holding some 140 million artifacts and specimens in its trust for "the increase and diffusion of knowledge," and a center for research dedicated to public education, national service, and scholarship ...more>>

  27. Smithsonian Institution Traveling Exhibition Service (SITES)
    "The Smithsonian in your state." Each year, millions of people in more than 250 venues beyond Washington, D.C. visit SITES exhibitions on view in local museums, libraries, science centers, historical societies, aquariums, community centers, and schools. ...more>>

  28. Smith's Stuff: Resources - Mark Smith
    Mark Smith shares resources that he has created as a high school teacher: games, mnemonics, activities, sketches, and more. Sign up for a free account if you'd like to share activities here as well. ...more>>

  29. snark (Spanish Math Puzzles) - Universidad de Buenos Aires, Math Forum
    Contributions are only in Spanish. Una lista de correo electrónico dedicada a la matemática recreativa, los problemas de lógica recreativa, juegos de tablero y problemas sobre ellos, rompecabezas geométricos (poliominós, ...more>>

  30. Snow Activities - The Teel Family
    A site that includes snow science (how to study snow crystals) and snow art (cutting six-sided paper snowflakes and a "self-sticking" snowflake). ...more>>

  31. Snow Day Calculator - David Sukhin
    Enter a ZIP code and number of school days already canceled there due to inclement weather, and the Snow Day Calculator predicts the probability of an early dismissal or no school the following day. Sukhin originally developed his predictive calculator ...more>>

  32. Snowdays - Popular Front
    Make your own snowflakes online: point and click to cut anywhere around or inside the folded piece of virtual paper. Preview the unfolded results in real time; when ready, save your design to the searchable gallery, where you may view and download plans ...more>>

  33. Snowflakes and Stars - Ignacio Dayrit
    Graphic images of snowflakes with folding instructions to make from paper. ...more>>

  34. Snowflakes - Kenneth G. Libbrecht
    "Your online guide to snowflakes, snow crystals, and other ice phenomena." Snow activities include instructions for using everday objects and dry ice to make your own snowflakes; for using glue to make plastic snowflake replicas ("snowflake fossils") ...more>>

  35. Soap Bubbles - Ron Hipschman; The Exploratorium
    Why does a bubble form a sphere? Why not a cube, tetrahedron, or other geometrical figure? This site from San Francisco's Exploratorium provides information on the shape of bubbles and what happens when bubbles meet, with formulas for long-life bubble ...more>>

  36. Soap Film Models (SMILE) - Joan Pintozzi, Curie Metro. High School
    A lesson designed to encourage students to conjecture, introducing the concept of minimum path and minimum surface area and practicing measurement of line segments and angles. From the Geometry and Measurement section of a collection of almost 200 single ...more>>

  37. Soap Films and Grid Walks - Ivars Peterson (MathLand)
    A simple, physical demonstration of a mathematical truth can produce a lasting impression - one that inspires new questions and speculations. For Christopher C. Chang, a student at Henry M. Gunn Senior High School in Palo Alto, Calif., and one of 40 finalists ...more>>

  38. Social and Historical Aspects of Mathematics - Thompson, Wilkinson; Univ. of Wolverhampton (UK)
    Math history: the development of counting systems and notations (includes Egyptian, Sumerian, Babylonian, and Hindu-Arabic numerals); of notation and concepts in algebra; Changing systems of geometry from Euclid to Klein's programme (includes New Geometries, ...more>>

  39. Society of Actuaries
    Actuaries are professionals trained in mathematics, statistics, and economic techniques that allow them to put a financial value on future events. This skill is of great value to insurance companies, investment firms, employee benefits consulting firms, ...more>>

  40. Society of Young Mathematicians - SYMs
    A UK organization that motivates and encourages "all young people who enjoy mathematics." SYMS publishes articles, news, "things to do," calculator hints, book reviews, games, puzzles, and competitions in its newsletter, SymmetryPlus, and termly journal, ...more>>

  41. Sociological Foundations Supporting the Study of Cultural Diversity - Hugh Mehan, Univ. of California at San Diego
    In order to understand the barriers to educational equality faced by low-income cultural and linguistic minority youth, we need to understand the ways in which social class and ethnicity interact with language and culture. This paper examines various ...more>>

  42. Soddy's Formula - Pat Ballew
    Descartes' Circle Theorem, an example of giving the credit to the wrong person. The formula is about the relation of the radii of four mutually tangent circles and is sometimes called the Kissing Circles Theorem: if four circles are all tangent to each ...more>>

  43. Sofist India - Sofist India
    A software company that specializes in developing off-the-shelf products and components (assemblies) using Microsoft .NET technology. The company also develops and maintains software packages and develops web sites. Its expertise lies in the fields of ...more>>

  44. Soft Mathematics: The Mathematics of People - Keith Devlin
    Keith Devlin describes the blending of mathematics with other disciplines, an approach that is increasingly being adopted in the study of people and their actions. ...more>>

  45. Softmath - Neven Jurkovic
    Developers of Algebrator, an automated tutor based on Maxima CAS that provides step-by-step solutions to algebra, trigonometry, and statistics problems, and exports answers to MathML. Demo and purchase Algebrator; use Softmath's free online software to ...more>>

  46. Softronics Inc.: An Educational Software Company
    MMLogic: A MultiMedia Logic Design System (free fully functional trial version available); MSWLogo: A free Educational programming language that brings Windows and Logo together, now supporting 3-dimensional geometry. ...more>>

  47. Software and Animations (The Geometry Junkyard) - David Eppstein, Theory Group, ICS, UC Irvine
    An extensive annotated list of pointers to specialized software, Java applets, video sequences, and other forms of interactive or animated geometry. ...more>>

  48. Software by Al Jarnow - ProtoZone Interactives
    Web-based interactive software excerpted from pattern exhibits at the Long Island Children's Museum, the National Museum of Science and Industry (London), and the Brooklyn Childrens's Museum. Introductions to art and math with many pattern-making ...more>>

  49. Software for mathematics education - Piet van Blokland
    Software for mathematical education that draws on David Tall's philosophy of teaching: use Graphic Calculus to visualize, explore, and conceptualize the graph of a linear function; analyze the data and simulations included with VUStat to learn statistics ...more>>

  50. Software for Texas Instrument Calculators - Nevil Hopley
    A collection of teaching programs for Texas Instruments calculators. Developed and tested in classrooms since 1998, the programs make the TI83, TI83+ & TI83+ Silver Edition more than just a calculator. Order by program, age group (ages 12-18), or topic ...more>>


 
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