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  All Sites - 6879 items found, showing 5651 to 5700

  1. Shodor Education Foundation, Inc.
    A non-profit research and education organization dedicated to the advancement of science and math education, specifically through the use of modeling and simulation technologies. Interactive middle school lessons aligned with curricula are available through ...more>>

  2. The Shoelace Problem - Ivars Peterson (MathTrek)
    How should shoes be laced? This seemingly simple question, rooted in everyday life, can provoke passionate argument - and evoke a mathematical response. There are at least three common ways to lace shoes, as illustrated: American (or standard) zigzag, ...more>>

  3. Shoe Size vs. Height - Statistical Analysis and Linear Regression with FATHOM - Jay Yohe; Susquehanna Township High School, Harrisburg, PA
    A lesson plan in which students analyze one-variable distributions (histograms and box plots), determine measures of center (mean, median) and spread (standard deviation, range), analyze scatter plots, form lines of best fit, and explore least squares ...more>>

  4. A Short Course in Trigonometry - David Joyce; Dept. of Mathematics & Computer Science, Clark University
    An introduction and a guide to trigonometry, with hints and answers to exercises, and Java applets as illustrations. Contents include applications of trigonometry, angle measurement, chords, sines, cosines, tangents and slope, the trigonometry of right ...more>>

  5. Shortest Enclosures on Surface of Cube (Math Chat) - Frank Morgan, MAA Online
    The circle provides the least-perimeter way to enclose given area in the plane. What is the least-perimeter way to enclose given area in the surface of the unit cube? Answer: Al Zimmerman correctly finds that the best way to enclose small area is not ...more>>

  6. Should Nader Voters Flip a Coin? (Math Chat) - Frank Morgan, MAA Online
    Answer to the Challenge: Suppose that in a certain U.S. state 12 million potential voters favor Bush, 10 million favor Gore, and 5 million favor Nader with Gore as second choice. The Nader supporters want to be sure than Gore wins, but they would like ...more>>

  7. ShowTheMath.org - Alan Degener
    Enter an algebra equation and then solve it, step by step -- manually: use the pull-down menu to describe steps as combining like terms, distributing, expanding, factoring, adding to both sides, subtracting from both sides, dividing both sides, multiplying ...more>>

  8. Siemens STEM Academy - Siemens Foundation
    The Siemens STEM Academy provides professional development to educators as they cultivate junior scientists who will pursue careers in science, technology, engineering, or mathematics (STEM). Opportunities include an annual STEM Institute; interactive ...more>>

  9. Siemens Westinghouse Competition - The Siemens Foundation
    The Siemens Westinghouse Competition in Math, Science & Technology fosters individual growth for high school students seeking to challenge themselves through science research. Through this competition, students have an opportunity to achieve national ...more>>

  10. Sierpinski Shapes - Rick and Donna Joi
    An interactive Java applet that allows you to create hundreds of fractal shapes using a variation of the Sierpinski triangle algorithm. Includes a page that provides a non-technical explanation (with pictures) of the fractal math. ...more>>

  11. Sierpinski Tetrahedron: A Metal Sculpture - Stan Goldade
    Pictures and background information on the sculpture, with some Sierpinski facts. Breckenridge Senior High School students welded 4,096 equilateral metal triangles together to form 1,024 tetrahedra to form a stage-5 Sierpinski Tetrahedron. It is located ...more>>

  12. The Sierpinski Triangle - Robert L. Devaney; Dept. of Mathematics, Boston University
    Section from the paper "Chaos in the Classroom," describing the deterministic (rather than random) construction of the Sierpinski triangle. ...more>>

  13. Sieve of Eratosthenes - Interactive mathematics Miscellany and Puzzles, Alexander Bogomolny
    Sieve of Eratosthenes with an interactive Java illustration. A slight modification of the Eratosthenes' algorithm leads to a different sieve that leaves out square numbers. The latter is also accompanied by a Java illustration. ...more>>

  14. Sieve of Eratosthenes - Program in C
    A class assignment for Mathematics 216: Introduction to Mathematical Computation (with C) at the Univ. of Utah. The new part of the C language learned was the array. Problems: Design a program to make a list of primes less than N = 100 using Eratosthenes' ...more>>

  15. Sifting through the Web's data jumble - Ivars Peterson; Science News Online
    A combination of text and link analysis underlies a novel method based on analyses of the way Web pages are linked to one another for automatically generating lists of authoritative Web resources. ...more>>

  16. Sight Enhancement Systems
    Manufacturers of large display scientific calculators with speech output, and of large display calculators that allow people with low vision to perform scientific, statistical and trigonometric calculations. Download brochures and manuals for the Sci-Plus ...more>>

  17. The Significance of the NCTM Standards to the Pathways (NCREL) - Cathy Cook; Pathways to School Improvement
    Critical Issues in Mathematics. The Standards represent a major effort to develop mathematically literate citizens. They should be viewed as facilitators of reform, rather than as a set of directives. They are designed to help schools achieve national ...more>>

  18. Significant Digits - R. H. Logan, Instructor of Chemistry, El Centro College
    An explanation of significant digits, with sections on: Measured Values; Computed Values; Rules for Determining the Number of Significant Digits In Numbers With Indicated Decimals; Significant Digits In Numbers Not Having an Indicated Decimal; Significant ...more>>

  19. Significant Figures and Rounding Rules - Christopher Mulliss
    A site dedicated to the discussion of issues relating to the proper teaching of significant figures and rounding rules in high school and college science courses. Includes a link to a detailed study "On the Standard Rounding Rule for Multiplication and ...more>>

  20. SI Guide - James R. Frysinger
    SI (International System) measurements and quantities, with pages for: a basic starter set of units and prefixes; the unit compendium (a more complete list); the prefix compendium (a complete list); rules on usage (spelling, capitalization, spacing, plurals, ...more>>

  21. Silicon Champions of the Game - Ivars Peterson - Science News Online
    Deep Blue's triumph over Gary Kasparov in May of 1997 marked the first match victory by a chess-playing computer over a reigning world champion. Some of the world's top computer programs are also playing backgammon, bridge, checkers, chess, Go, Othello, ...more>>

  22. The Silicon Mirror and Kaleidoscope - Elliot Leonard
    The Silicon Mirror is an interactive tool for creating tessellations. It operates on the same principles as a kaleidoscope. The Silicon Kaleidoscope is a screen saver that uses the Silicon Mirror to create kaleidoscopic images that flow in real time. ...more>>

  23. The Siluroid Curve - Dario de Judicibus
    Formulas, graphs, compass-and-straightedge constructions, derivatives, and more about this bi-quadratic, trilobate curve. Among the torpedo- or fish-shaped curve's curious properties: connecting its intersection with the generatrix or goniometric circle ...more>>

  24. SIMATH - Marc Conrad
    A computer algebra system, especially for number theory. Try out the online version of the SIMATH calculator simcalc; a more detailed overview is available as a .dvi file or you can download the TeX-Source of this file. ...more>>

  25. SimCalc Curriculum - James J. Kaput, Principal Investigator; Simulations for Calculus Learning
    The SimCalc Project aims to democratize access to the Mathematics of Change for mainstream students. How the math of change can contextualize and organize many other important ideas already in the curriculum, moving to a strands structure that allows ...more>>

  26. SimCalc Library - James J. Kaput, Principal Investigator; Simulations for Calculus Learning
    Papers and other writings on the SimCalc Project, which aims to democratize access to the Mathematics of Change for mainstream students: "Learning the Basics with Calculus"; "An introduction to the profound potential of connected algebra activities:issues ...more>>

  27. Simeon's World of Magic - Bob Fay
    Interactive card tricks on the Web. Pick a card; whisper it out loud; Simeon will always remove it on the next page. ...more>>

  28. Similarity - 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. Scaling multiplies lengths by the same factor and produces a similar figure. It preserves angles and ...more>>

  29. Similarity (SMILE) - Natalia Kee, Harlan Community Academy High School
    A lesson designed to teach students to discover the factor of proportionality in similar polygons and relate this factor to the perimeters and areas of similar polygons. From the Geometry and Measurement section of a collection of almost 200 single concept ...more>>

  30. SIMMS IM LEVEL I - Research Project Help - T. DeBuff
    High School freshman-level integrated mathematics research projects, to be used with the Systemic Initiative for Montana Mathematics and Science Integrated Math (SIMMS IM), curriculum Level I. View project descriptions and find links to sites that will ...more>>

  31. Simple Minds, Smart Choices - Bruce Bower - Science News Online
    The Center for Adaptive Behavior and Cognition at the Max Planck Institute for Human Development in Berlin has launched a project to explore the impact of bounded rationality on human judgment. The group focuses on what it calls "fast and frugal" formulas ...more>>

  32. Simplified Solutions for Math
    Curricula (lesson plans, pratice work sheets and tests) for Algebra, CAHSEE, and General Math, aligned to the California Department of Education's Mathematics Framework for California Public Schools. ...more>>

  33. Simplifying Equations of the Form ax+b=cx+d (SMILE) - William F. Wagner, Hyde Park Career Academy
    A lesson designed to teach students to solve equations of the form ax+b=cx+d; and to visualize the concept of "balancing" an equation. From the Algebra and Trigonometry section of a collection of almost 200 single concept lessons by the Science and Mathematics ...more>>

  34. Simply Statistics - Leek, Jeff; Peng, Roger; and Irizarry, Rafa
    Biostatistics professors Leek, Peng, and Irizarry "are fired up about the new era where data are abundant and statisticians are scientists." Their blog, which dates back to September, 2011, has included posts such as "Pre-cog and stats," "Kindle Fire ...more>>

  35. simpsonsmath.com - Sarah J. Greenwald and Andrew Nestler
    The animated sitcom The Simpsons "contains over a hundred instances of mathematics, many designed to expose and poke fun at innumeracy," which make it "an ideal source of fun ways to introduce important concepts to students, and to reduce math anxiety ...more>>

  36. Simtel.Net - Digital River, Inc
    A distribution network for shareware, freeware, and public domain software. Browse or search for programs running on the platforms of Windows 95/98, DOS, or Windows 3.x. Windows 95/98 math-related programs range from abacus instructional packages to an ...more>>

  37. Simulating Society - Ivars Peterson (MathTrek)
    Computer simulation offers a powerful tool for studying human social behavior, contends Richard J. Gaylord of the University of Illinois at Urbana-Champaign. A theoretical physicist turned computational sociologist, Gaylord has developed models of social ...more>>

  38. Simulations Nab Protein-folding Mistakes - Ivars Peterson - Science News Online
    The human body manufactures thousands of different proteins, which act as enzymes, structural elements, or carriers. Each protein starts out as a long strand that must fold itself into the proper shape to perform its specific function. To gain insights ...more>>

  39. The Sine Function (SMILE) - Ronald G. Sienkiewicz, Prosser Vocational High School
    A lesson designed to familiarize students with the concept of the sine function by defining, graphing, computer generating, using a "shop created" blackboard sine wave generator, and by presenting examples of natural phenomena which result in sine wave ...more>>

  40. Sine of the Times: Dividing the Universe by Zero - Colin Graham
    A collection of thoughts on math by an "eternal student" with an "eclectic educational background." Posts, which date back to June, 2010, have included "Creative ways of integrating more water in the body," "My first online manipulative -- virtual origami," ...more>>

  41. Sines and Cosines, Part 1 (Periodic functions) - 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. Sines and cosines occur as rectangular coordinates of a point moving on a unit circle, as graphs related ...more>>

  42. Sines and Cosines, Part 2 (Trigonometry) - 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. This program focuses on trigonometry, with special emphasis on the law of cosines and the law of sines, ...more>>

  43. 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>>

  44. 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>>

  45. 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>>

  46. 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>>

  47. 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>>

  48. 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>>

  49. 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>>

  50. 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>>


 
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