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  All Sites - 1185 items found, showing 301 to 350

  1. The Geometer's Sketchpad - Ross Isenegger, Atomic Learning, Inc.
    Quicktime movie tutorials to learn how to use Sketchpad. Sample "Getting Started" for free. Purchase a subscription to get tutorials on using the construction menu, using the measure menu, changing the display, coordinate geometry, transformations, creating ...more>>

  2. The Geometer's Sketchpad: Three Labs - Mike Riedy
    Four sketches about rotation and translation, the cycloid, and the areas of a parallelogram and a triangle, with directions for making them. ...more>>

  3. Geometría con Cabri II - Jose Manuel Arranz
    Applets para construcciones básicas, triángulos, cuadriláteros, polígonos regulares, circunferencia, movimentos en el plano, geometría en la mesa de billar, puzzles geométricos, y demostraciones de la teorema ...more>>

  4. Geometrí con Cabri Géomètre II - José Antonio Mora
    Materiales interactivos para el aprendizaje de la Geometría con la utilización del programa Cabri-Géomètre II. Geometría de los Mecanismos; Coordenadas en Cabri II. Cabri sketches that simulate the working procedure ...more>>

  5. Geometria - Valerio Capello
    A program for computing lines, surfaces and volumes of the main plane and solid figures, through direct and indirect formulas. Select the figure you are working on, choose the kind of calculation from the list provided, and then click the Compute button ...more>>

  6. Geometric Models (The Geometry Junkyard) - David Eppstein, Theory Group, ICS, UC Irvine
    An extensive annotated list of links to material describing physical objects corresponding to geometric constructions (and methods for creating such objects), particularly polytopes. ...more>>

  7. Geometric Shapes (SMILE) - Violet M. Nash, Spencer Math and Science Academy
    A 2nd grade lesson on identifying geometric shapes using colors and math problems. Also see a followup lesson on geometric shapes and making a vest. From the Geometry and Measurement section of a collection of almost 200 single concept lessons by the ...more>>

  8. Geometry Algorithms - Dan Sunday, softSurfer
    Resources for developing geometry algorithms and computer graphics software: overviews, histories of geometry, a gift shop, and more. The archive of algorithms includes areas of triangles and polygons; lines and distances of a point to a line; fast winding ...more>>

  9. The Geometry Applet - David Joyce; Dept. of Mathematics & Computer Science, Clark University
    A Java applet used to illustrate Euclid's Elements - an illustration from Euclid's Elements Book I Proposition 22. Another example using this Geometry Applet illustrates the Euler line of a triangle. Version 2.0 does three-dimensional constructions, whereas ...more>>

  10. Geometry Basics - Jaime Garmendia III; Interactive Mathematics Online (IMO)
    All the basics of geometry: Introduction; Angles and Lines; Conditionals, Unions, and Intersections; Measurement Formulas; Constructions; Greek Prefixes for polygons/polyhedra; Glossary; Sample problems; Stereograms: an Application of Geometry. ...more>>

  11. Geometry Bridge - Joe Bender
    Build bridges that allow the school buses or trucks to safely cross the river in these animated Shockwave Flash tutorials, which teach and exercise skills such as identifying types of angles and triangles, and calculating angles in a triangle and sidelengths ...more>>

  12. Geometry Everywhere - Betty R. Allen; Kodak
    An activity intended to make students more aware of geometric shapes and lines in objects around them. Students were divided into five groups, four to photograph geometric shapes and concepts at home, on the farm, in town, and at the lake, and one group ...more>>

  13. Geometry Expressions - Saltire Software
    A software package that allows you to interact with geometric figures numerically and symbolically. Explore classroom activities and student projects made with this interactive geometry system; read back issues of The Journal of Symbolic Geometry; purchase ...more>>

  14. geometry-forum - Math Forum
    A discussion group accessible as a Web-based discussion, a mailing list, or a Usenet newsgroup. This was the main group for the Geometry Forum, the Math Forum's previous incarnation. Not currently used. Read and search archived messages. ...more>>

  15. Geometry Garret - Alan H. Schoen
    A "potpourri of people, pictures, places, Penrose patterns, polyhedra, polyominoes, posters, posies, and puzzles," plus finite and infinite tilings by rhombs, rosettes and pseudo-rosettes, rombix, K-patterns (images derived from partial sums of power ...more>>

  16. Geometry Glossary - Jaime Garmendia III; Interactive Mathematics Online (IMO)
    Definitions of most of the words you'll need in geometry. Also some algebra and trig terms. ...more>>

  17. Geometry In Action - David Eppstein, Theory Group, ICS, UC Irvine
    A collection of applications of computational geometry: areas in which ideas from discrete and computational geometry (meaning mainly low-dimensional Euclidean geometry) meet some real world applications, with brief descriptions of those applications ...more>>

  18. Geometry in Motion - Daniel Scher
    Direct interaction with geometric diagrams, courtesy of JavaSketchpad. The contents include a variety of curve-drawing devices (Intersecting Circles, Falling Ladder, Van Schooten's Parabola, and more); also other activities such as Constant Perimeter ...more>>

  19. Geometry in Motion - George Beck; MathSource
    Mathematica notebooks. MapPoint is a geometry program that combines the traditional geometric constructions of classical Euclidean geometry with the more dynamic geometric transformations of modern geometry. Many examples are given showing how to create, ...more>>

  20. geometry-institutes - Math Forum
    A discussion group accessible as a Web-based discussion, a mailing list, or a Usenet newsgroup. Postings include planning for and information about geometry institutes held around the country. The Forum's teacher workshops hold discussions on this group ...more>>

  21. The Geometry Junkyard - David Eppstein, Theory Group, ICS, Univ. of California at Irvine
    A collection of usenet clippings, web pointers, lecture notes, research excerpts, papers, abstracts, programs, problems, and other stuff related to discrete and computational geometry - some serious and much also entertaining. Junk sorted into piles (Topics): ...more>>

  22. The Geometry of War, 1500-1750 - Museum of the History of Science, Oxford
    A virtual version of an exhibition from The Museum of the History of Science in Oxford on the uses of geometry in the art of warfare during the Renaissance. The site includes summaries that list the instruments and books in the exhibit and also provide ...more>>

  23. Geometry of War - Ivars Peterson (MathTrek)
    Leonardo da Vinci was not alone in his fascination with military technology. The University of Oxford's Museum of the History of Science is now featuring a fascinating online exhibition called The Geometry of War, 1500-1750. The 81 illustrations, accompanied ...more>>

  24. The Geometry Pages - Cathi Sanders
    Illustrated essays designed to intrigue and inspire you to learn more about geometry and its many applications in art, engineering, science, and more. Includes the following topics: Lines (History, Elements of Geometry, Polygons, Tessellations); Numbers ...more>>

  25. Geometry Park: Songs for Teaching Children - Illumisware
    Collection of children's songs using contemporary rhythms and sounds to introduce topics in math, science, grammar, and geography. American or Canadian versions each come with teachers' guide and karaoke version. ...more>>

  26. Geometry - Paul Bourke
    Explorations and renderings of various surfaces and forms, including knots, surfaces, 3D shapes, curves, algorithms, tilings, plexagons, etc. Formulae for Quadrics (Surfaces of degree 2); Superellipse and superellipsoid; SuperToroid (3D); Plexagons; Hexagonal ...more>>

  27. Geometry Playground - Daniel J. Heath, Joshua Jacobs
    Geometry Playground is a straightedge and compass construction tool for multiple geometries. The Java code is open-source, and the accompanying wiki includes hands-on discovery activities. ...more>>

  28. geometry-pre-college - Math Forum
    A discussion group accessible as a Web-based discussion, a mailing list, or a Usenet newsgroup, for discussions concerning school geometry curricula, teaching geometry, new software and texts, problems for students, and supplementary materials such as ...more>>

  29. geometry-puzzles - Math Forum
    A discussion group accessible as a Web-based discussion, a mailing list, or a Usenet newsgroup, for interesting problems and conundrums that require only a knowledge of elementary geometry, and discussions of solutions. Read and search archived messages; ...more>>

  30. Geometry Reference Sheets & Mnemonics (S.M.A.R.T.) - Math Share Shop
    Methods of proving two angles congruent; Two angles are congruent, if...; Two triangles are congruent when...; When proving triangles congruent...; Right triangles; Quadrilaterals; Formulas of the Area; Summarizing geometry of the Triangle; Coordinate ...more>>

  31. The Geometry Section (Zona Land) - Edward A. Zobel
    Fractals (fractal tree, VRML fractal monoliths), common shapes (circle, rhombus, trapezoid), areas and volume (box, cylinder, box with cylindrical hole), coordinate geometry (VRML (x, y, z) Axes and Planes Worlds), and points, lines, and planes (symbol ...more>>

  32. Geometry (Seeing is Believing) - De Silva, D'Andreti; ThinkQuest 1997
    A geometry tutorial, comprising: the basic building blocks of geometry; segments and rays; angles; parallel lines; triangles; polygons; right triangles (Pythagorean theorem); geometric inequalities; ratios, proportions and similarities; trigonometry; ...more>>

  33. Geometry Then and Now - Jordana Wiener; Tufts University
    Final paper for a Greek Science course at Tufts. Introduction: Although present day society is technically dimensions ahead of the ancient Greeks, we owe much of our progress to them. What is amazing is not so much that we are more scientifically advanced ...more>>

  34. Geometry Web Page - Ephraim Fithian; Kutztown University
    Sixteen geometry activities: Tangrams; Golden Ratio; Geoboard; Polygons; Symmetry; Constructions; Polyominoes and Polyiamonds; Star Polygons; Special Points in Polygons; Polygon Tessellations; Kaleidoscope Tessellations; Escher Tessellations; Space Cubes; ...more>>

  35. geometrywiz - Teresa Ryan
    Blog subtitled "learning about learning and teaching mathematics." Posts, which date back to November, 2013, have included "Reflecting on Learning Objectives," "Reflections and Inquiry," "What Started as Tough, Becomes Good," "Refresh, Reflect, and Reinvent," ...more>>

  36. George Washington School Copy Book - Library of Congress
    Scans of a school copy book handwritten by the future first U.S. President in 1745, when 14 or 15 years old. Together with a second book, these reveal geometrical definitions and problems, surveying, mensuration, multiplication and division, simple interest, ...more>>

  37. Getsmarter.org - Council on Competitiveness
    A free web site designed to help improve math and science education. Interactive quizzes, games, and tutorials allow students to learn more about specific topics and improve their skills. MSTV, a series of interactive modules, shows how math and science ...more>>

  38. Get the Turtle to the Pond: Developing Geometry Concepts Using Computer Programming Environments (i-Math Investigations) - Illuminations; National Council of Teachers of Mathematics (NCTM)
    An online, interactive, multimedia math investigation. Computer programming environments can be used to help children understand geometric concepts. The interactive tool in this i-Math investigation illustrates how LOGO can be used to foster creative ...more>>

  39. GEUP - Ramón Alvarez
    Interactive geometry software. Capable of handling transformations, analytic geometry, polar and cartesian coordinates, and other topics. Applicable to mechanics, optics, drawing and graphic design. Uses macros to speed construction process. Requires ...more>>

  40. GIFsmos - Lusto, Chris; Luberoff, Eli; and Merrill, Jason
    Takes any animated Desmos plot and converts it into a dynamic graphic. GIFsmos lets you determine the size of the resulting gif animation, and toggle its frame interval from 0.1 to 1.0 seconds. ...more>>

  41. GirlTECH - Cynthia Lanius; Center for Research on Parallel Computation (CRPC)
    GirlTECH was a teacher training and student council program that encouraged young women to pursue careers in mathematics and science, offering intensive technology training to explore innovative teaching strategies for gender equity in the classroom through ...more>>

  42. Glitter Trap (MatheMUSEments!) - Ivars Peterson (Math Muse for Kids)
    You've probably looked at your distorted reflection in a shiny holiday ornament, but you may be surprised to learn what the reflections in a pyramid of silvery balls are like. The behavior of light in a stack of mirrored balls can help mathematicians ...more>>

  43. Glossary of Mathematical Formulas - Keiichi Suzuki
    This glossary of math terms and formulas, succinct enough for viewing on handhelds and other smaller screens, covers geometry, set theory, algebra, abstract algebra, trigonometry, vectors, matrices, calculus, complex functions, special functions, orthogonal ...more>>

  44. GoGeometry from the Land of the Incas - Antonio Gutierrez
    Mixing dynamic geometry, animations, science, and Incan history, this Peruvian site offers geometry problems involving circles and triangles, with proofs: Poncelet, Napoleon, Eyeball, Steiner, Carnot, Sangaku, and the Butterfly Theorem. Also, Incan Geometry ...more>>

  45. The Golden Ratio - Andi, Mel, and Shuj
    An introduction to the golden ratio, also known as phi: its connection to the Fibonacci sequence, related constructions (star, line segment, rectangle, and spiral), and connections to biology, history, and aesthetics. Site also includes a glossary and ...more>>

  46. Got Math? - Dave Radcliffe
    Blog by a community college math instructor and self-described "GeoGebra fanatic." Posts, which date back to December, 2010, have included "Stacking cannonballs," "Counting with Integrals," "A Paradoxical Dissection," "Gelfand's Question," "Imagining ...more>>

  47. GRACE: Graphical Ruler and Compass Editor - Hertzmann, Warren, Goldan, Felleisen; Dept. of Computer Science, Rice University
    Interactive Euclidean Geometry: using a Java applet, this course focuses on a classical topic: the ruler and compass constructions of Euclid. GRACE allows the student to define constructions and their associated proofs interactively. This site contains ...more>>

  48. Grades 6-7: Lesson Plans (The Lesson Plans Page) - Kyle Yamnitz, Univ. of Missouri
    A searchable archive of lesson plans for arithmetic, patterns, estimation, graphs, place value, fractions, measurement, number sense, geometry, and many more. Includes suggestions for games, manipulatives, calculators, and spreadsheets. ...more>>

  49. Grand Illusions - Hendrik Ball
    A "site for the enquiring mind, with optical illusions, scientific toys, visual effects, and even a little magic." Includes a number of feature articles on vision, photography, mirrors, optical toys, movies, etc. See, in particular, the geometrical optical ...more>>

  50. Graphe Easy - Olivier Ansquer
    Feature-rich yet easy-to-use 2d graph-plotting Windows software. Demo version available. It allows users to draw many graph types (Cartesian, polar, parametric coordinates) and many other graphs such as conics, integrals, inequalities, or sequences. It ...more>>

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