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  All Sites - 140 items found, showing 51 to 100

  1. Geometry Online - Cynthia Lanius
    Geometry activities from a geometry class at Milby High School in Houston, Texas. Topics include: History of Geometry (contributions of Egyptians, Babylonians, and Greeks, with links to biographies of major contributors to geometry); Hidden Polygons (locate ...more>>

  2. geometry-software-dynamic - Math Forum
    A discussion group accessible as a Web-based discussion, a mailing list, or a Usenet newsgroup. This group focuses on discussion of such geometry software programs as The Geometer's Sketchpad and Cabri Geometry II. Read and search archived messages; and ...more>>

  3. The Goal Angle Problem - Ken Koedinger
    Two solutions to the following problem: as you are running down a soccer field with the ball, when is the angle subtended by the goal at its maximum? There is also a sketch illustrating a construction used in one of the solutions (quadrature of the rectangle). ...more>>

  4. The Golden Ratio - Blacker, Polanski, Schwach; The Geometry Center
    Introduction to the Golden Ratio and Fibonacci Sequence. Instead of simply supplying definitions and asking the student to engage in mindless practice, students work through several activities to discover the applications of the Golden Ratio and Fibonacci ...more>>

  5. GSP Files - Nate Burchell
    This website includes GSP files that can be freely downloaded for educational use. The author has used these files in his classes to illustrate certain concepts in Precalculus, AP Statistics, and AP Calculus AB/BC. ...more>>

  6. GSP Lessons - Jim Wilson; Dept. of Mathematics Education, Univ. of Georgia
    Sketches, using The Geometer's Sketchpad, illustrating a dozen problems in plane geometry, many with hints and solutions provided. ...more>>

  7. Heron's Calculation of Triangle Area (MSTE) - James P. Dildine; University of Illinois at Urbana-Champaign (UIUC)
    The area of a triangle can be calculated using a formula attributed to Heron of Alexandria. This calculation requires that the lengths of all three sides be known. This activity includes an Excel file to calculate the area of a triangle, and Java and ...more>>

  8. High School Geometry Lessons - Jeffrey P. Bannish
    Narrated screencast lessons, most between seven and fifteen minutes long, created to accompany the McDougal Littell high school geometry textbook. Bannish explains theorems and concepts visually, and also works select textbook example problems, often ...more>>

  9. The impact of dynamic geometry software on learning - Bryan Dye; MathsNet
    A paper that aims to measure the impact of use of dynamic geometry software on learning via the Internet; to compare various software packages, for example: Geometer's sketchpad, Cinderella, and Cabri-Geometre; and to measure the impact of "home learning" ...more>>

  10. Interactive Geometry Classroom Resources - CIGS, Math Forum
    Links to downloads and classroom resources for dynamic geometry programs: the Geometer's Sketchpad; Cabri Geometry; Cinderellas Café (Java geometry software - German); Dr Geo (multilingual software for IBM PC); Euklid (Windows shareware in German ...more>>

  11. Interactive Geometry with JavaSketchPad - Bryan Dye; MathsNet
    Java applets illustrate geometrical figures (circle, cuboid, equilateral, isosceles, and scalene triangles, kite, parallelogram, regular hexagon, octagon, pentagon, quadrilateral, square, rectangle, rhombus, trapezium); show what is meant by congruence, ...more>>

  12. Introduction à l'algèbre - Gilles G. Jobin, Projet Diderot
    An interactive course, with extensive use of the Geometer's Sketchpad. Sommaire: Introduction générale; Conseils techniques; Test diagnostique (En chantier); Définitions et vocabulaire; Représentation sur la droite numérique; ...more>>

  13. Introduction to Symmetries - Chaim Goodman-Strauss; The Geometry Center
    Studying symmetries called isometries, which preserve distances. Pattern and symmetry appear in virtually every human culture. Symmetry surrounds us, both in the natural world and in the world of human artifact... the arrangement of needles on a pine ...more>>

  14. Introduction to Vectors - Prof. Eugene Klotz, The Math Forum
    Supplementary material to help students with their first encounter with vectors, and an experiment in the pedagogical possibilities of some modern technology: the World Wide Web has hypermedia capabilities which allow nonlinear use of documents of all ...more>>

  15. An Investigation of Monge's Theorem Using the Geometer's Sketchpad - Math 5337, The Geometry Center
    This lab uses The Geometer's Sketchpad to explore the geometry of circles, culminating in the discovery of a famous result of the nineteenth century called Monge's Theorem and outlining a proof of the theorem using dilations. Part of Technology in the ...more>>

  16. Investigations in Projective Geometry - Dwayne Alvis and Wanda Nabors
    How three-dimensional scenery is reproduced on a two-dimensional piece of paper. Construction exercises and a Geometer's Sketchpad file to download. ...more>>

  17. JavaGSP! - Annie Fetter, the Math Forum
    A short tutorial: everything you need to know to make your first JavaSketchpad page. A quick reference, then some other features, details, and considerations you might want to familiarize yourself with if you choose to incorporate Java GSP into some of ...more>>

  18. JavaSketchpad Center - Key Curriculum Press
    JavaSketchpad is software that lets you interact with or publish on the Internet sketches from The Geometer's Sketchpad, a Dynamic Geometry exploration environment for Macintosh and PC computers. JavaSketchpad can be used to share geometry work with people ...more>>

  19. JavaSketchpad DR3 Gallery - Key Curriculum Press
    JavaSketchpad is software that lets you publish sketches from The Geometer's Sketchpad on the Internet. If you have a Java-compatible Web browser, visit this demo gallery for some examples of JavaSketchpad in use: Centroid; Stereo Icosahedron; Hypercube; ...more>>

  20. JavaSketchpad: Dynamic Geometry for the Internet - Key Curriculum Press
    The Developer Release and Alpha Test Center (DR2) of the JavaSketchpad applet and Sketchpad HTML Converter. You will need the first component in order to drive any Web pages you publish that contain dynamic geometry sketches; you'll need the second component ...more>>

  21. Jim's GSP Library - Jim Wilson; Dept. of Mathematics Education, Univ. of Georgia
    Geometer's Sketchpad (GSP) sketches to download, from a course on Algorithms and Computers in Mathematics Education: Centroid of a triangle; Orthocenter of a triangle; Circumcenter of a triangle; Circumcircle of a triangle; Incenter of a triangle, Incircle ...more>>

  22. Jim Wilson's Home Page - Dept. of Mathematics Education, Univ. of Georgia
    Jim Wilson's page lists courses taught (e.g. Computers and Algorithms in Mathematics Education, Problem Solving in Mathematics), and papers on topics in geometry: Ratio of areas of two squares; Capturing Area and A Solution; Curve Building; Orthotravels; ...more>>

  23. Ken Brakke's home page
    Home page of the Susquehanna University mathematics professor who co-authored The Physics of Microdroplets and developed Surface Evolver, a free interactive program for modeling liquid surfaces shaped by various forces and constraints. Brakke also offers ...more>>

  24. Key Curriculum Press
    Publisher of innovative texts and software applications for teaching mathematics including the Geometer's Sketchpad (dynamic geometry), Fathom (dynamic statistics), TinkerPlots (dynamic data exploration and analysis), Michael Serra's textbook Discovering ...more>>

  25. Les Mathématiques - Gilles G. Jobin, Projet Diderot
    Web resources, activities, lessons and tutorials for secondary-level mathematics. Illustrated geometry theorems, with extensive use of the software package the Geometer's Sketchpad. Puzzles and games; algebra problems and adult education. Activités: ...more>>

  26. Les quatres opérations sur les nombres entiers - Gilles G. Jobin, Projet Diderot
    An interactive course, with extensive use of the Geometer's Sketchpad. Sommaire: Introduction générale; Conseils techniques; Une définition des nombres entiers; L'addition; La soustraction; La multiplication; La division; La priorité ...more>>

  27. Lesson Plan For Part-Whole Meaning For Rational Numbers - Michele Gahala
    Students use the Geometer's Sketchpad and work as a class to represent parts of a whole using fractional parts of a triangle, and to determine the relation among parts of a whole that are unequal-sized pieces. ...more>>

  28. Lessons, Tutorials, and Lecture Notes (Mathematics Archives) - University of Tennessee, Knoxville (UTK)
    An extensive, alphabetical, annotated listing of sites providing course material for teachers and students of mathematics. Includes topics from almost every field of math, at every level: K-12, college and beyond. Algebra; Analysis; Arithmetic; Calculus; ...more>>

  29. Mark's Maths and Excel Pages - Mark Dabbs
    Geometry topics presented with the aid of downloadable Geometer's Sketchpad (GSP) files; see, in particular, Japanese temple geometry. Two comprehensive Tutorials in Excel spreadsheet form are provided for intermediate and advanced (VBA) users, and an ...more>>

  30. Materials for Math Teaching - Antonija Horvatek
    Antonija Horvatek, a math teacher in Croatia, offers her Geometer's Sketchpad (.gsp) files and Power Point (.ppt) files that explain: fractions, decimal numbers, integers, rational numbers, equations, functions, perimeter and area, plane transformations, ...more>>

  31. Materials for using projector in math teaching - Antonija Horvatek
    Geometer's Sketchpad and PowerPoint files for presenting fractions, decimals, integers, rational numbers, equations, functions, perimeter and area, plane transformations, the Pythagorean Theorem, three-dimensional geometry, and statistics. Also available ...more>>

  32. Math 5337: Technology in the Geometry Classroom - Sullivan, Burgiel, Osinga; The Geometry Center, Univ. of Minnesota
    From the University of Minnesota's course in Computational Methods in Elementary Geometry, materials developed at the Geometry Center for teaching pre- and in-service teachers of high-school geometry interested in using technology in their classrooms. ...more>>

  33. MathBits.com - Frederick and Donna Roberts
    Devoted to offering fun, yet challenging, lessons and activities in high school/college level mathematics and computer programming to students and teachers. Includes Teacher Resources for Algebra, Geometry, Algebra 2, and Statistics; Finding Your Way ...more>>

  34. MathBoy's Page - Pat Ballew
    Miscellaneous math links and explanations, including Discovery Units, some about geometry and some about algebra, written using the Geometer's Sketchpad: triangle medians (with explanation); angle bisectors in a triangle; three tangents to a circle; a ...more>>

  35. Math Education for the 21st Century - Sarah Inkpen
    "Technology is an essential part of our future, but technology alone will not educate us. Interactive software, information retrieval systems, multimedia presentations and virtual reality enhance understanding and facilitate knowledge building if and ...more>>

  36. Mathematical Golf Sketches - Math Forum
    This activity for studying reflections finds the direction to hit a golf ball to get it to bounce off several walls and into the cup (includes a construction of the solution). See also the introduction to this activity (from the Math Forum's 1996 Summer ...more>>

  37. Mathematics Education Resources at Acadia's School of Education - David A. Reid, Acadia University
    Learn how to design mathbags, make a fraction quilt set, and teach with algebra tiles. Activities include Folding Fractions, exploring systems of linear equations with Geometer's Sketchpad, and Deductive Euclidean Geometry, as well as two Java applets, ...more>>

  38. MathsNet - Bryan Dye
    MathsNet is a collection of pages about mathematics education, information technology, the Internet, and "some straightforward 'sums'." Tips and downloads for logo, spreadsheets and graphs, winlogo, excel, omnigraph, and graphing calculators such as the ...more>>

  39. Math Teacher Link - Professional Development Consortium for Mathematics Teachers
    A website designed to deliver professional development opportunities and classroom resources to teachers of mathematics, statistics, and related subjects at the high school and lower division college levels. Classroom resources include links to sites ...more>>

  40. Math WWW VL: Software - Dept. of Mathematics, Florida State University
    Links to software sites for college-level mathematics. ...more>>

  41. Mathzone - Angelo Mingarelli, Carleton University
    Mathzone features online calculus quizzes and exams, as well as one testing "everyday math." It also offers several downloadable programs, including a Javascript applet about the 3n+1 sequence, and a demo version of software that qualitatively plots polynomials ...more>>

  42. Maximum Volume & Area with the Geometer's Sketchpad - David Purdy, Wisconsin Heights High School, Mazomanie, WI
    Common in calculus and advanced algebra texts, these well-known optimization problems now appear in high school geometry texts as interesting explorations that integrate measurement, model building, polynomial functions and use of the graphing calculator. ...more>>

  43. Mechanical Linkages - Jackiw, Koedinger; Key Curriculum Press
    Four sketches illustrating various mechanical linkages: a windshield wiper, a sewing machine, elevator doors, and Peaucellier's Linkage. ...more>>

  44. Miscellaneous Sketches: Conics, Pythagorean Theorem... - Key Curriculum Press
    Sketches: describing the relationships of parabola, hyperbola, and ellipse from an eccentricity point of view; four ways to demonstrate (manipulate) Pythagorean theorem - shear & rotation, shear & translation, similarity, and tessellation; studying ...more>>

  45. Miscellaneous Sketches: Linear Sketch, Mid-Rhombus... - Key Curriculum Press
    Sketches: a dynamic display of the equation of a line as you move it around; an illustration of the midpoint figure of a quadrilateral; a tessellation made in the pattern of a Navajo rug; a sketch that draws the regular polygon with given internal angle; ...more>>

  46. Monge's Theorem and Desargues' Theorem, Identified - Thomas Banchoff; The Geometry Center
    A unit that explains why Monge's Theorem and Desargue's Theorem are really two versions of the same theorem. Contains illustrative GSP sketches. ...more>>

  47. Multiplying Fractions - Millard Lewis, John Moore; Univ. of Georgia
    An elementary lesson plan with a worksheet and an interactive exploration of the concept of 3/5 using the Geometer's Sketchpad. From Chapter 6: Rationals: Multiplication, Division, and Applications. A student folder from the Dept. of Mathematics Education/J. ...more>>

  48. Nils Ahbel - Deerfield Academy, Deerfield, MA
    Access Ahbel's Blackboard courses as a guest to preview his teaching resources and download Excel files in algebra, functions, statistics, and trigonometry. ...more>>

  49. Orthocenter - Paul Kunkel
    What is significant about the orthocenter of a triangle? Why does it even have a name? This investigation was prepared for a geometry teachers' workshop. It includes a lesson handout in Word format and was written for use in a computer lab with the Geometer's ...more>>

  50. Paper Cup Mathematics - Jerry Neidenbach, Sue Harvey, and Marilyn McArthur; Park City Mathematics Institute
    In this classroom activity, a PCMI Resource for Teachers, students investigate whether paper cups roll out the pattern of an annulus and how you can tell, how the dimensions of the cup relate to the dimensions of the annulus, and whether you can predict ...more>>

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