- 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;
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- 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
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- 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;
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- 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
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- 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
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- 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
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- 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
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- 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
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- 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
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- 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
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- 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
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- 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.
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- 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
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- 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
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- Graphing Calculator - Pacific Tech
Graphing Calculator is a tool for quickly visualizing math: type an equation and it is drawn for you without complicated dialog boxes or commands. Graphing Calculator 2.2, a commercial release, features symbolic and numeric methods for visualizing two
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- GraspMath - Summit Interactive
Interactive CD and Video Courses to purchase: Elementary Math, Algebra, Geometry, High School Exit Exam Prep, Trigonometry, Calculus, TI Calculators and more. Stand alone math courses with assessments and guides; remedial math program supplements; tutorials
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- Great Math Programs - Xah Lee
A listing about 40 excellent recreational math programs for Macintosh that do: polyhedra and Rubic cubes, curves and surfaces, fractals and L-systems, tilings and symmetry, game of hex and game of life, chess and five-in-a-row, peg solitare and polyominos,
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- The Great Paper Airplane Challenge (TEAMS) - Jeannie Toshima; TEAMS Distance Learning, Los Angeles County Office of Education
Use origami to build the farthest flying airplane, and win the challenge. TEAMS looked for the farthest flying airplanes throughout the nation - the best
from each class. Students sent in the written directions (diagrams were acceptable) for folding
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- Greek Mathematics and its Modern Heirs - SunSITE's Vatican Exhibit; Library of Congress
Classical roots of the scientific revolution. An essay on the history of Greek Math, with sample math problems. Covers Euclid's Elements and Optics, Archimedes' Works, Piero della Francesca's De quinque corporibus regularibus, and links to Ptolemy's Geography
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- The Grey Labyrinth - Kevin Lin
A collection of mind-benders in math and logic. When a solution to one puzzle is posted, another solution-less puzzle is added. With an archive of past puzzles, links to other puzzle-related sites, and a bibliography of works that inspired this site.
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- Growth Creature Lab - Mike Riedy
This lab ties the growth of creatures into the Fundamental Theorem of Similarity and extends it to logistic growth. The lab shows students how to collect data from the growing creatures and how the data apply to geometry. Sections of the lesson include:
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- 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.
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- Habits of mind: an organizing principle for mathematics curriculum (Connected Geometry) - Cuoco, Goldenberg, Mark; Education Development Center, Inc. (EDC)
A curriculum the goal of which is not to train large numbers of high school students to be university mathematicians, but rather to allow high school students to become comfortable with ill-posed and fuzzy problems, to see the benefit of systematizing
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- Hales Proves Hexagonal Honeycomb Conjecture (Math Chat) - Frank Morgan, MAA Online
Professor Thomas Hales of the University of Michigan has announced a proof of the Hexagonal Honeycomb Conjecture, which says that regular hexagons provide the least-perimeter way to enclose infinitely many unit areas in the plane. This may partly explain
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- The Handley Math Page - John Handley High School Mathematics Department
David Pleacher posted Problems of the Week in his classroom every week since 1968, and posted them online -- with solutions and names of students who correctly solved them -- from 1998 until his retirement in 2006. See also his lesson plans and worksheets,
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- The handling of geometry definitions in school textbooks - Michael de Villiers; Mathematics Education, Univ. of Durban-Westville, South Africa
Some historical background and a discussion of the value of students constructing their own understanding of mathematical proofs; misconceptions that arise from ready-made definitions; and the advantage of a constructivist approach, which allows pupils
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- Hands-on Computer Activities For Teaching Math: Grades 3-8 - Beverly Burnley
Purchase or request an evaluation copy (if you're an educator) of this book. Publisher's description: "Featuring more than 100 step-by-step activities that use common computer programs, such as Microsoft Word and Paint, to model concepts in five basic
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- Hands-On Math Activities for Grades 4-6 - Wendy Sawatzky
Designed for a grade 5 class, but adaptable for grades 4 or 6. Teacher notes and ready-made task cards are available for each activity. Topics include numbers and operations, geometry, problem solving, measurement, data management and analysis.
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- Hands-on Math: Activities for the Elementary Classroom - Janine Parker
Lesson plans for children in grades one through six about topology, number patterns, and geometry. Handouts for each lesson may be downloaded in PostScript form or as GIF files, and a zipped DOS program to display Platonic solids, Archimedean solids,
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- handsonmath.com - Charles Gronberg
Hands-on geometry model building materials to purchase, tested and test marketed by the American Association for the Advancement of Science in the late 1990s with the intention of targeting at-risk middle-school students (minorities and girls). The
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- Hankies, Snarks, and Triangles - Ivars Peterson (MathLand)
Both Alice's Adventures in Wonderland and Through the Looking-Glass and What Alice Found There contain many examples of Dodgson's passion for mathematical games, puzzles, logic paradoxes, riddles, and all sorts of word play. Indeed, his fascination with
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- Harnessing Technology to Serve Adult Literacy: Math - David J. Rosen
Frequently Asked Questions on how to help adult literacy education (ABE/GED/ESL/ESOL) teachers and learners use computers, television, audio and video cassettes, and other electronic technology to solve learning and instructional problems: "Our students
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- Harold Reiter's Home Page - Harold Reiter, Department of Mathematics, University of North Carolina at Charlotte
Freely downloadable puzzles and problems from the founder of teachers circles and math clubs in Charlotte and Mecklenburg, longtime writer of MathCOUNTS questions, and member of the ETS/College Board CLEP (College-Level Examination Program) Pre-calculus
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- Harvard-MIT Math Tournament - Early, Owen
The Harvard-MIT Math Tournament is an annual math tournament for high school students. Categories of tests typically include algebra, calculus, combinatorics (formerly "advanced topics"), geometry, general, oral, team, and guts; mini-events include Buzz
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- HelpingWithMath.com - David Burns, HelpingWithMath.com
Worksheets, printable tables and charts, and online tools. Browse by subject or grade.
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- The Hexagonal Honeycomb Conjecture - Thomas C. Hales; Dept. of Mathematics, Univ. of Pittsburgh
Hales has announced a proof of the Hexagonal Honeycomb Conjecture, which asserts that any partition of the plane into regions of equal area has perimeter at least that of the regular hexagonal honeycomb tiling. This paper in a variety of formats (postscript,
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- Hey Math!
Animated lessons on a wide range of topics, plus a repository of questions indexed by concept and grade. Many more lessons are available for purchase. Started in Chennai, India, by Nirmala Sankaran and Harsh Rajan, Hey Math is a partnership with the Millennium
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- Higher Bitesize: Maths - BBC Scotland Learning
"Tasty chunks of revision goodness..." Revision means studying, and this site aims to help students study, with online illustrations and materials, and interactive tests.
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- 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
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- High School Homework
Highschoolhomework offers homework help in the following subjects - algebra, geometry, trigonometry, calculus, biology, chemistry, physics and economics.
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- High School Mathematics - Cem Giray
Site contains lecture notes, exams, quizzes, assignments, challenging problems, curricula (in this case meaning topics of study), and olympiad materials of high school level for teachers and students. Some materials are web pages, some are in PDF format,
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- High School Math Lessons - Joe Mercer
Lessons, worksheets, quizzes, and tests for high school algebra 1, algebra 2, geometry, precalculus, and AP Calculus AB written by a retired math teacher. Some of the resources, composed in SoftChalk's LessonBuilder, include Flash animations or download
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- High School Notebooks - George Beck; MathSource
High school Mathematica notebooks in two different styles, for teachers to use either directly or as examples of what they might want to imitate or avoid. One style has little explanation and is meant to encourage the student to experiment with the functions
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- High School Projects (COMAP) - Consortium for Mathematics and Its Applications
Products developed in print, video, and multimedia formats, supporting the NCTM Standards, to bring mathematical modeling into high schools around the country, and present mathematics in contexts that are relevant to students. Curriculum: Mathematics:
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- HippoCampus - Monterey Institute for Technology and Education
Video lessons in arithmetic, algebra and geometry, statistics and probability, calculus and advanced math. The Monterey Institute for Technology and Education also runs the National Repository of Online Courses (NROC) and NROC math.
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- History of Mathematics - Carl Eberhart; Dept. of Mathematics, Univ. of Kentucky, Lexington, KY
Information and Maple worksheets on Egyptian fractions and geometry, Babylonian numeration, Hippias and his Quadratix, cubic equations, trigonometry until Ptolemy, curves, and more. Also examples of student projects. A spring 1999 course on the history
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- Ho Math and Chess Learning Centre, Vancouver, BC, and affiliates - Frank Ho
Site features downloadable math and mathematical chess materials, information on the centers and the classes they offer locally, and franchising details for the centers.
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- Homework Help - Homeworkhelp.com, Inc.
Over 1000 tutorials, indexed for searching, for help with math, English, science, and ESL. Middle School math (grades 6-8) covers fractions, decimals, percents, graphing, functions, geometry, etc. High School math offers pre-algebra, algebra I and II,
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- HomeworkSpot - StartSpot Mediaworks, Inc.
Designed to help students start homework assignments that require online resources, HomeworkSpot also provides reinforcement activities in a variety of subject areas including mathematics. Math sections provide links organized as general sites, topics,
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- HomeworkTV.com
Video lessons for grades 6-8 "presented by a live National Certified teacher who explains lessons in real motion." A topic list for each grade is available on the site.
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The Math Forum is a research and educational enterprise of the Drexel University School of Education.