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  All Sites - 10800 items found, showing 9001 to 9050

  1. Sines and Cosines, Part 3 (Addition formulas) - Project MATHEMATICS!, California Institute of Technology
    A videotape-and-workbook module that explores a basic topic in high school mathematics in ways that cannot be done at the chalkboard or in a textbook. Animation relates the sine and cosine of an angle with chord lengths of a circle, as explained in Ptolemy's ...more>>

  2. The Singapore Math Coach - Tricia Salerno
    Problems of the week based on the Singapore math approach. Students with correct answers can see their names on the web. Site includes some program information as well. ...more>>

  3. SingaporeMath.com Inc.
    Formerly "Family Things," this family business located in Oregon, USA provides information, sample pages, and ordering information for the Singapore mathematics and science curricula, with sample placement tests for the New Elementary Math Series, sample ...more>>

  4. Singapore Math - Yan Kow Cheong
    News and updates on Singapore Math from Cheong, a math coach, writer, editor, and life member of the Singapore Mathematical Society (SMS) and the Association of Mathematics Educators (AME) whose author credits include "Mathematical Quickies & Trickies." ...more>>

  5. singingbanana.com - James Grime
    YouTube videos, "lazy microblog," and social networking hub of Enigma Project Officer James Grime, who "hopes to explain to kids and general audiences why he love his maths so much, to challenge some of the public's misconceptions, and to explain why ...more>>

  6. SINGULAR - Greuel, Pfister, Schoenemann; Dept. of Mathematics, Univ. of Kaiserslautern
    A computer algebra system for polynomial computations, with special emphasis on commutative algebra, algebraic geometry, and singularity theory. ...more>>

  7. SINUS transfer - University of Bayreuth
    Spurred by the outcome of the Trends in International Mathematics and Science Study (TIMSS), Germany launched a nation-wide "model programme for increasing efficiency in mathematics and science education." Between 1998 and 2007, more than 1800 of the ...more>>

  8. Sir Roger Penrose - World of Escher
    Recreational math is the passion of Sir Roger Penrose, who was recently knighted for his outstanding contributions to mathematics. Penrose is a professor of mathematics at the University of Oxford in England, where he pursues an active interest in recreational ...more>>

  9. Sir William Rowan Hamilton - D.R. Wilkins; School of Mathematics, Trinity College, Dublin
    Material relating to Sir William Rowan Hamilton, including his letters and papers describing mathematical optics and conical refraction, dynamics, the theory of algebraic couples (complex numbers), the theory of equations, and quaternions; a memorial ...more>>

  10. SISA: Simple Interactive Statistical Analysis - Daan Uitenbroek
    SISA is a collection of procedures for performing simple statistical calculations online, using HTML Forms. SISA's statistical tools include statistical procedures: (sequential probability, ratios, t-test, Fisher exact, two by two table, ordinal tests, ...more>>

  11. The SISL Nurbs Library - SINTEF Applied Mathematics
    A library of Non-Uniform Rational B-Splines (NURBS) software, developed and maintained by the Department of Geometric Modelling at SINTEF Applied Mathematics. The SIntef Spline Library (SISL) contains all the necessary functionality for building applications ...more>>

  12. A Site For Cyber Eyes - BZLeonard
    Fractals, graphics, photos and altered photos, 3D graphics, links, Sherman's Humor Column, and Ginger's Diary (A teenager describes being bombed by the Japanese on December 7, 1941). ...more>>

  13. Sites Dedicated to Teaching of Mathematics (Mathematics Archives) - University of Tennessee, Knoxville (UTK)
    Links to sites that contain materials (other than software) useful in the teaching of mathematics at the community college, college and university levels. (For a similar listing of K-12 sites, check out the Mathematics Archives K-12 Home Page.) ...more>>

  14. Sites with Problems Administered by Others - Math Forum
    Problems of the week or month: a page of annotated links to weekly/monthly problem challenges and archives hosted at the Math Forum but administered by others, and to problems and archives elsewhere on the Web, color-coded for the level(s) of the problems ...more>>

  15. SketchAndCalc™
    On interactive graph paper, sketch straight lines by clicking the pencil icon — or curved ones by selecting the fountain pen nib — then login to calculate the area and perimeter of the shapes constructed. The gear icon in the upper-right corner ...more>>

  16. Sketches for Cabri Geomètre (v. 1) - L. J. Dickey, University of Waterloo
    Cabri Geomètre (the original version of of the program) figures to download (binhexed): Conic Given by Five Points; Ten Sketches of Desargues Theorem; Harmonic Conjugates; The Inverse of a Circle; The Inverse of a Line; The Inverse of a Point; ...more>>

  17. Sketches of Topology - Kenneth Baker
    Visualizations, often created with Sketchup, of low dimensional topology. Blog posts, which date back to November, 2007, have included "Twisted Saddles," "Scharlemann cycles," "Long Disks and Lopsided Bigons," "Ko Honda's Octahedral Relation," "Berge ...more>>

  18. Sketch Exchange - Key Curriculum Press
    Share Sketchpad activities, tips, questions, and ideas in this online community dedicated to the dynamic geometry software. Browse sketches by grade level, topic, or tags. ...more>>

  19. SketchMad - Nathalie Sinclair
    An archived resource, not currently updated: A resource center devoted to using The Geometer's Sketchpad in the classroom. Includes tips, strategies, lesson plans, and sketches for beginning and intermediate Sketchpad teachers, stories from the classroom ...more>>

  20. Sketchpad 3.0 Gallery - Finzer, Jackiw; Key Curriculum Press & The Math Forum
    A collection of sketches and scripts that show off new features of version 3 of the Geometer's Sketchpad in categories: Arcs and Architecture; Algebra and Beyond; Physics; Statistics; Curves; and Poincare Disk. ...more>>

  21. Sketchpad Activities for Young Learners: Grades 3-5 - Nathalie Sinclair
    This collection of activities for grades 3-5 offers examples of the ways in which Sketchpad can be used across the range of mathematical subject areas in the elementary curriculum. ...more>>

  22. Sketchpad Activity Center - Bill Finzer, Key Curriculum Press
    Interactive lessons for use with an early version of the Geometer's Sketchpad. Construct a fractal tree using a recursive script; use the Point on Object command to study random phenomena. These lessons have been used in Key Curriculum Press's summer ...more>>

  23. Sketchpad for Little Ones - Geri Anderson-Nielsen; Georgetown Day School
    The Geometer's Sketchpad (GSP) is a powerful tool for discovering geometric properties. The program contains a ruler, a protractor, a calculator, and a simple word processor, in addition to graphing possibilities for the Cartesian plane. The activities ...more>>

  24. Sketchpad Homework - Math 5337, The Geometry Center
    A set of classical geometry problems created to introduce and teach basic commands for using The Geometer's Sketchpad. Created for Math 5337, Technology in the Geometry Classroom, at the Geometry Center, University of Minnesota. ...more>>

  25. SketchUp - Robert Lang
    Tutorials, tips, tricks, and more about the 3D modeling software. Lang, a professional woodworker, cabinetmaker and designer who serves Popular Woodworking Magazine as its Executive Editor, uses SketchUp to design woodworking projects, and as the basis ...more>>

  26. 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>>

  27. 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>>

  28. Skillswise - BBC Online
    Factsheets, worksheets, quizzes, and Flash games on whole numbers; measures, shape and space; fractions, decimals and percentages; and handling data. Resources for tutors include lesson plans, printable tracking sheets, a newsletter, and an expert column ...more>>

  29. 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>>

  30. 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>>

  31. 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>>

  32. SLATEC (Common Mathematical Library, Fortran) - Kirby W. Fong, Thomas H. Jefferson, Tokihiko Suyehiro, Lee Walton
    An extensive public-domain FORTRAN source code library (consisting of more than 1400 routines and 300,000 lines of code and documentation) developed and maintained by a consortium of Department of Energy and Department of Defense national laboratories. ...more>>

  33. 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>>

  34. Slide-A-Round Math Manipulatives - Jim Franklin
    These manipulatives feature movable, interchangeable slides for learning how to round whole numbers, decimals, and money; to identify equivalent fractions; to calculate elapsed time, and more. Manufactured in the U.S. of recycled plastic with steel reinforcement, ...more>>

  35. SliderMath Equations - WhiteAcres Media
    Windows software designed to introduce linear equations and basic algebra, bringing together many of the requirements of the grades 7-10 math curriculum or providing a review of fundamentals for adults. Levels 1-2 include addition, subtraction, multiplication, ...more>>

  36. 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>>

  37. 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>>

  38. Slide Show - Roxanne M. Byrne
    Slide shows on calculus concepts: limits, derivatives and rules, integration, and infinite series. Some of the slide shows can be downloaded as PowerPoint files; if you do not have PowerPoint on your computer, you can download a PowerPoint Viewer Zip ...more>>

  39. 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>>

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

  41. 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>>

  42. 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>>

  43. 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>>

  44. 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>>

  45. 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>>

  46. 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>>

  47. 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>>

  48. Smarandache Algebraic Structure, book series. - E-library of Science
    Smarandache Algebraic Structures, book series by W. B. Vasantha Kandasamy: Vol. I: Groupoids; Vol. II: Semigroups; Vol. III: Semirings, Semifields, and Semivector Spaces; Vol. IV: Loops; Vol. V: Rings; Vol. VI: Near-rings; Vol. VII: Non-associative Rings; ...more>>

  49. Smarandache Notions - J. Castillo
    A journal for papers related to the work of Florentin Smarandache, who in the 1960s proposed some new geometries: Non-Geometry, Counter-Projective Geometry, Anti-Geometry, and Paradoxist geometry, which would generalize and unite Euclid, Lobachevsky/Bolyai/Gauss, ...more>>

  50. Smarandache Paradoxist Geometry - Chimienti, Bencze
    Uniting Euclidean, Lobachevsky-Bolyai-Gauss, and Riemannian geometries. Smarandache geometries are partially Euclidean and partially Non-Euclidean. It is based on the first four of Euclid's postulates, but the fifth postulate is replaced so that there ...more>>

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