 Games and Puzzles  Interactive Mathematics Miscellany and Puzzles, Alexander Bogomolny
Almost 40 games or puzzles, with extensive discussions and solutions. Examples include the Monty Hall Dilemma, Lewis Carroll's problem; the game of Nim, the 3 glass puzzle, Northcott's game, the Tower of Hanoi, and many more. Most require a browser capable
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 Games Conceived  Leroy Quet
Quet's blog, begun in September, 2008, describes his "simple games," which include Triangle Grid Of Coprimality; LineSegments In Circle; Turn It Around  Multiply/Add Grid; Up And Up, Grid Solitaire; Vertex/Intersection Polygon Game; Diagonal/Straight:
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 Games for Math and Social Skills  Suzanne Alejandre
A collection of links to games for building math and social skills such as cooperation, collaboration, listening, teamwork, and giveandtake.
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 GAMES Group  The University of Alberta
GAMES is a research group for Gameplaying, Analytical methods, Minimax search and Empirical Studies. It produces realtime programs for strategic game such as Amazons, Awari, Checkers, Chess, Domineering, Go, Hex, Lines of Action, Othello, Poker, RoShamBo,
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 Games Mathematicians Play  Gregory McColm; Dept. of Mathematics, Univ. of South Florida
Mathematical games from a logical point of view: strategies for games and using games in descriptive complexity. Contents include Bisimulation; Foundations; Game Theoretic Semantics; and Guarded Quantifiers. With an outline of the problem of what it means
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 Games on Graphs (MegaMath)  Nancy Casey; Los Alamos National Laboratory
Students use algebraic methods to explore, model, and describe patterns and functions involving numbers, shapes, data, and graphs in problemsolving situations and communicate the reasoning used in solving these problems. Graphs, stories and games provide
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 Game Theory in the News  Mike Shor
A regularly updated archive of news articles about game theory or probability. Hundreds of articles currently archived are indexed by mathematical theme or by area of application, including evolutionary biology, computer science, politics, and economics.
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 A Gamma Process  Charlie Geyer
An applet that draws a Gamma process, a stochastic process with independent increments.
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 GAMS : Guide to Available Mathematical Software  National Institute of Standards and Technology (NIST)
A crossindex and virtual repository of mathematical software available to staff of the National Institute of Standards and Technology (NIST). Provides centralized access to abstracts, documentation, and source code of software modules that it catalogs.
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 GANG Discrete Library  Ian McIntosh; Dept. of Mathematics & Statistics, Univ. of Massachusetts, Amherst
A library of discrete conformal maps as discrete integrable systems. A discrete conformal map is a map z : z^2 > p^1 with the property that the
crossratio of four adjacent points is constant... Illustrations show how a Riemann surface arises, considering
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 GANG Knot Library  Dept. of Mathematics & Statistics, Univ. of Massachusetts, Amherst
A library of Energy Minimizing Knots and Links. Select a knotimage or category to see more members of the knot's family. The catalog contains knots up to 8 crossings. 2,q torus knots and links; Rational link with two, three, and fourterm continued
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 GANG Symmetry Library  James M. Lawrence; Dept. of Mathematics & Statistics, Univ. of Massachusetts, Amherst
Symmetry detection software. Input file, sample output, graphs, and download. From the Center for Geometry Analysis Numerics and Graphics.
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 Gapminder  Hans Rosling
"Fact tank" Gapminder promotes a fact based world view through software called Trendalyzer, which "unveils the beauty of statistical time series by converting boring numbers into enjoyable, animated and interactive graphics."
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 The Garden of Archimedes
Calendar of tours, publications, and more from Florence's museum of mathematics. See, in particular, the exhibitions of Il Giardino di Archimede, such as "Beyond compasses," on the geometry of curves; "Pythagoras and his theorem," a series of puzzles
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 Gardner Index  Lee, Kluepfel
An index to fifteen books containing collections of Martin Gardner's articles from Scientific American.
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 Gardner's Multiple Intelligences  PoChing Wang; the Key School
Howard Gardner, a Harvard psychologist, won a MacArthur Foundation genius grant in 1981. In his 1983 book Frames of Mind Gardner attacks the notion of generalized intelligence, identifying instead seven intelligences or areas of intellectual competence.
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 Gardner's Web  David Cox
A newsletter containing articles written by students, interesting Web links, and taxing puzzles.
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 Gary Haynes  Gary Haynes
Course syllabi, lesson plans, homework, and objectives. Visit "Tangrams and Other Games" for an interactive tangram story and a Flash presentation on how to develop an understanding of functions through the use of the motion sensor.
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 Gasoline Sales  Reading a Chart  NASA Lewis Learning Technologies Project
This chart shows the actual and predicted gasoline sales for one year. During which month was there the greatest difference between the predicted and actual gasoline sales? A detailed answer is provided. From NASA's 9th Grade Math Proficiency Test.
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 Gas, Water, Electricity (Geometry and the Imagination)  Conway, Doyle, Gilman, Thurston; The Geometry Center
A diagram shows three houses, each connected to three utilities. Show that it is impossible to rearrange the connections so that they don't intersect each other. Could you do it if the earth were a not a sphere but some other surface?
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 Gateways to Advanced Mathematical Thinking (GAMT)  Michelle Manes; Education Development Center, Inc. (EDC)
The goal of this project is to research the ways in which high school and college mathematics students come to acquire flexible understandings of essential concepts needed for analytic and algebraic thinking. Integral to this research effort is the development
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 Gathering for Gardner  Tom Rodgers
A collection of sites related to math puzzles on the Web. Sections on puzzles, recreational math, geometry; societies and organizations, math journals; mazes, illustions, general math, matic/gambling; software; old links; online lock puzzles; bookstore.
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 Gaussian Curvature (Geometry and the Imagination)  Conway, Doyle, Gilman, Thurston; The Geometry Center
What is the curvature inside the region on a sphere exterior to a tiny circle? On a polyhedron, what is the curvature inside a region containing a single vertex? two vertices? all but one vertex? all the vertices?
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 Gauss's Orbits  Ivars Peterson (MathTrek)
During the latter part of 1801, Gauss brought his formidable powers to bear on celestial mechanics. Like a skillful mechanic, he systematically disassembled the creaky, ponderous engine that had long been used for determining approximate orbits and rebuilt
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 Gavin's Calculus Projects  Gavin LaRose, University of Michigan Math Department
Calculus I, II, and III projects and archives. Recent or current projects include: Calc I: Caustic rain, Profitable production. Calc II: Wonder drugs, Floating, Spagopolis. Calc III: Manufacturing, Production costs. Project archives from 1995 on. Also
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 GCalc: Online Graphing Calculator  Jiho Kim
A free online graphing calculator available through the Web.
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 GCSE Maths  Edexcel
Specimen papers and mark schemes, teachers' guides, linear and modular specifications, resources and publications, support tools, news, training events, and more from the test prep company used by over two thirds of schools and colleges in the UK.
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 GCSE Maths Quizzes  Education Quizzes
Dozens of online maths quizzes to practice concepts tested on the UK's General Certificate of Secondary Education. Choose from receiving the correct answer after each question or seeing incorrectly answered questions again later. Freely sample some of
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 GCSE Maths Tutor
A free maths revision resource for GCSE/Secondary/High School math. The site offers worksheets, interactive programs, videos, a blog, a discussion forum, and more.
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 Gödel and the Nature of Mathematical Truth  Edge interview with Rebecca Goldstein
Interview with Rebecca Goldstein, the philosopher and novelist, on her most recent book, Incompleteness: The Proof and Paradox of Kurt Gödel.
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 Gödel's Incompleteness Theorem  William Denton
Excerpts/quotes explaining Gödel's Incompleteness Theorem: any logical system contains a true statement that cannot be proven using that system's rules.
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 gealgerobophysiculus  Evan Weinberg
Thoughts on teaching, learning, and "the crazy process of having fun doing both with students." Posts, which date back to September, 2011, have included "How China Keeps Me Learning: Part I," "Lens Ray Tracing in Geogebra," "Take Time to Tech – Perspectives
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 Gecko Stone  John August
Tessellated, interlocking concrete pavers and molds. Like Escher's reptile, the tessellating shapes are modified hexagons.
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 GED as Project  Virginia Commonwealth University
Inquirybased, studentcentered materials for GED students, including separate study materials for math and other disciplines. Print and video resources are available.
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 Göedel's Theorems  Math Academy Online/Platonic Realms
An article covering the completeness theorem, the incompleteness theorems, and Göedel's settheoretic independence result.
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 GED Math Graphics  Howard Myers
Graphical GED test preparation designed for addiction treatment nonprofits, domestic violence shelters, community based organizations, and other, traditionally resourceconstrained programs attended by disadvantaged or indigent students.
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 GED Math Instruction: Meeting the Challenge  Myrna Manly; The Math Forum
An article with suggestions for GED math instruction: allow the use of calculators during instruction; introduce variables to represent simple relationships and continue to use abstract symbols at every opportunity; concentrate instruction on realistic
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 GED Math Instruction  Myrna Manly; The Math Forum
A recommendation that calculator use be integrated into GED mathematics instruction. Implicit in this recommendation is the mandate to use calculators properly and intelligently. The ability to "bestimate" is the key ingredient that separates an intelligent
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 GED Math Tests: What does it Take?  Myrna Manly; The Math Forum
An article on adult numeracy: ways to teach math that focus on problemsolving skills rather than on the rote strategies of computation. This article appeared in the September/October 1991 issue of GED Items (ISSN 08960518; Volume 8, No. 4/5), published
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 GEM: Gateway to Educational Materials  National Library of Education (NLE)
A database for education links, intended to be more useful for teachers than a search engine. It records the resources of its consortium members (information on joining the consortium is available onsite). Users are able to: browse through lists organized
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 Gender, Diversities, and Technology Institute  Education Development Center, Inc. (EDC)
The Gender, Diversities & Technology Institute focuses on developing genderhealthy education and schools; technology and gender; the elimination of all forms of gendered violence; improving economic selfsufficiency for both women and men; and developing
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 Gender Equity for Mathematics and Science  Woodrow Wilson Leadership Program for Teachers
A comprehensive 1993 conference report on current research, participant notes on research presentations made by invited faculty (Elizabeth Fennema, Joan Countryman, Sheila Tobias, Judith Jacobs, Karen Michalowicz, Geri AndersonNielsen, and Maxine Greene),
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 Gender Equity in Education  Martha C. PhelpsBorrowman
Listing of gender equity sites; directory of science lesson plans.
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 Gender Equity in Sports  Curtis, Grant; University of Iowa
A resource for investigating the state of affairs in interscholastic or intercollegiate sport. The content and data are primarily based on
an ongoing project being maintained by Mary C. Curtis and Dr. Christine H.B. Grant at The University of Iowa. Downloadable
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 Gender Issues: Articles and Research  Carolyn K., Hoagies' Gifted Education Page
Articles and reports on gender and equity in schools, in particular in the context of the education of gifted children.
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 Gene Abrams
Beamer files for seminars and colloquia on Leavitt path algebras, and activities related to mad veterinarian puzzles": "The Graph Menagerie: Abstract Algebra meets the Mad Veterinarian"; "The Graph Menagerie: Abstract algebra and the Mad Veterinarian"
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 General Mathematics, AM (Funk & Wagnalls Multimedia Encyclopedia)  Lycos Zone: Mathematics
Short articles on basic mathematics, including biographical information about mathematicians, from the abacus to Gaspard Monge.
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 General Mathematics, NZ (Funk & Wagnalls Multimedia Encyclopedia)  Lycos Zone: Mathematics
Short articles on basic mathematics, including biographical information about mathematicians, from John Napier to Zeno of Elea.
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 General Register Office for Scotland
The department of the United Kingdom that registers births, marriages, deaths, divorces and adoptions in Scotland, and carries out periodic censuses of Scotland's population. Tables of "vital information," population data, and common names may be found
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 General Relativity  MacTutor Math History Archives
Linked essay describing the history of general relativity from Aristotle's notion of the motion of bodies through Lorentz and Einstein in the 20th century, with 29 references (books/articles).
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