 Guidelines for Educational Uses of Networks  Learning Resource Server (LRS), College of Education, Univ. of Illinois at UrbanaChampaign
A starting set of papers with guidelines for how to use networks in powerful ways for education. Topics include telecommunication, virtual communities, global literacy, acceptable use policies, and neworkbased learning environments.
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 Guide to the Mandelbrot Set  Paul Derbyshire
Explore the Mandelbrot set with a fractaldrawing program: images of wellknown portions of the set, their locations, comments on miniature images of the Mandelbrot set that arise from different formulas, and Julia sets.
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 Guy Kindler  The Official Site  Guy Kindler
A mathematics Ph.D. student at Tel Aviv University. Math puzzles are ranked from easy to tough. A paper on approximation and various resources for a seminar on computational models may be downloaded in PostScript format. Related PowerPoint presentations
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 GVU Center  Jarek Rossignac; Georgia Tech
The Graphics, Visualization & Usability Center, envisioning a world in which computers are used as easily and effectively as are automobiles, stereos, and telephones, and collaborating on research projects in Visualization, Animation, VR, Design,
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 Habitable Planet Interactive Labs  Annenberg Media
Use this set of interactive labs from the Annenberg Media course "The Habitable Planet" to explore the intersection of math and science. Labs tie together common concepts around the themes of carbon, demographics, disease, ecology, and energy. Each lab
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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 illposed and fuzzy problems, to see the benefit of systematizing
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 Hacktastic  Laura Taalman
Blog about "design, mathematics, and failure" by Taalman, a professor of mathematics at James Madison University, as she learns JavaScript, three.js, and WebGL. Posts, which date back to October, 2014, have included "Menger Menagerie," "Trigonometry Style,"
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 hakank's homepage  Håkan Kjellerstrand
Codes and notes for constraint programming languages such as Picat, Mathematica, AIMMS+CP, AMPL, Project Euler, Frink, SABR, Eureqa/Formulize, and Comet. See also Kjellerstrand's coin and dice tossing games, Triss lotteries (Swedish scratch ticket games),
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 Hales Proves Hexagonal Honeycomb Conjecture (Math Chat)  Frank Morgan, MAA Online
Professor Thomas Hales of the University of Michigan has proven the Hexagonal Honeycomb Conjecture, which says that regular hexagons provide the leastperimeter way to enclose infinitely many unit areas in the plane. This may partly explain why hexagons
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 Hamilton's Math to Build On  Johnny & Margaret Hamilton
Simple, straightforward explanations, drawings, questions and answers from the book Math to Build On by Johnny & Margaret Hamilton (copyright 1993). Excerpts offer pages on: Angles, Degrees, Variables & Constants; Squaring Numbers; Square Roots;
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 Hampshire College Summer Studies in Mathematics
HCSSiM is a summer residential program for mathematically talented high school students. It was started (and is still directed) by Prof. David Kelly of Hampshire College over thirty years ago.
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 Handheld Geometry  Nevil Hopley
A dynamic geometry site offering lessons and challenges for handheld devices and graphing calculators, including the Cabri™ Jr. Application for the Texas Instruments TI83+ and TI84+, and the TINspire™. The author offers to make users' contributions
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 Handheld Software Applications  Texas Instruments, Inc.
Software applications and programs made available for downloading as a noncommercial service to benefit TI graphing calculator owners. Programs are offered for each of Texas Instruments' graphing calculators, CBL, and CBR, as well as calculator program
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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 DurbanWestville, South Africa
Some historical background and a discussion of the value of students constructing their own understanding of mathematical proofs; misconceptions that arise from readymade definitions; and the advantage of a constructivist approach, which allows pupils
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 Hands Across America (TEAMS)  Jeannie Toshima; TEAMS Distance Learning, Los Angeles County Office of Education
How far can we get across the United States if we all join hands and measure the length of the line? In 199495 7,164 participants yielded a total of 19,546.22 feet. Your students might want to put the information into a database, creating fields to compare
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 Hands on Banking  Wells Fargo Bank NA
Selfpaced financial literacy lessons on budgeting, savings and checking, credit, investing, and more. Kids learn with space aliens Zing and Zoey; teens, with characters Angie and Alex; young adults, with live action age cohorts. This initiative of Wells
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 handsonmath.com  Charles Gronberg
Handson 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 atrisk middleschool students (minorities and girls). The
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 Handson Science Centers Worldwide  Mark W. Maimone
An extensive list of links to public museums with a strong emphasis on interactive science education, by continent: Africa, Asia, Australia, Europe, and North and South America, with other related links. Some reviews of North American museums are provided.
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 HandsOn Universe (HOU)  Lawrence Berkeley National Laboratory
An education program that helps high school students perform astronomical research in the classroom. Students around the world can request observations from an automated telescope, download images from a large image archive, and and analyze them with
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 The Hand Squeeze: A Data Collection and Analysis Class Experiment  Cynthia Lanius
An experiment: measuring the amount of time that it takes for a hand squeeze to pass around a circle. Record, graph, and analyze the data, and make predictions about the time it would take for more people/greater distances.
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 Handy Math  Roseller Sunga
The website provides practical online calculators for technicians to use, from doityourselfers to chemists.
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 Hanging With Galileo  Paul Kunkel
An investigation into the catenary, the curve formed by a chain suspended at both ends. It also extends into the curve of the main cables on a suspension bridge, which is not a catenary.
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 The Hank and Ted Game  Doug Ensley, Shippensburg University
Also known as "The Gambler's Ruin," this is a simple gambling game in which two parties flip a coin at a wager of one "marker" over and over until one of the parties is out of markers. The player who benefits from a toss of "heads" is Hank, and the other
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 Hankies, Snarks, and Triangles  Ivars Peterson (MathLand)
Both Alice's Adventures in Wonderland and Through the LookingGlass 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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 Hard Problems  George Paul Csicsery, and the Mathematical Association of America (MAA)
Hard Problems is a feature documentary about the students who represented the United States at the 2006 International Mathematical Olympiad (IMO). The film shows the dedication and perseverance of the six American high school students, the rigorous preparation
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 Hard Questions About Practice  Richard F. Elmore
"Educators need to look closely at the organizational and instructional practices that affect the learning of students and adults in schools." From Educational Leadership, May 2002, Vol 59 No 8, pp 2225.
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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 (CollegeLevel Examination Program) Precalculus
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 Harry O'Malley
Blog by a math teacher who believes "... that learning to use mathematics changes people's lives in profound and valuable ways," and describes himself as "obsessed with making that happen for people. I am convinced that recent advancements in technology
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 HarvardMIT Math Tournament  Early, Owen
The HarvardMIT 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; minievents include Buzz
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 Harvard Sports Analysis Collective
Dedicated to the quantitative analysis of sports strategy and management, this Harvard student organization focuses on the intersection of sports, sports business, statistics, and problem solving. Original analysis and research into sports analytics authored
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 Harvard University Press
A site that includes short history of the press; Harvard books; featured books; press releases for new and forthcoming books; the Loeb Classical Library; and a book exhibit schedule. You may email to receive free subject brochures or search for mathematics.
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 HASTAC Initiative  Humanities, Arts, Science, and Technology Advanced Collaboratory
HASTAC ("haystack") is a network of individuals and institutions inspired by the possibilities that new technologies offer us for shaping how we learn, teach, communicate, create, and organize our local and global communities. HASTAC is open to anyone;
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 hazeymath's Blog  Dianna Hazelton
Blog by a high school teacher of algebra, probability, statistics, and trigonometry. Posts, which date back to October, 2013, have included "Graphtastic," "Unit Circle Awesomesauce," and "Collaboration Struggles."
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 HCPSS Family Mathematics Support Center  Howard County Public Schools
K12 math lessons, activities, enrichment tasks, vocabulary lists, and more, organized by grade level and academic quarter. Designed for parent and students, the Maryland school district collected these resources from third parties such as LearnZillion,
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 A Head for Numbers  Robert Kunzig, Discover Magazine
An article exploring the connections between our brains and numbers: what injuries to the brain have taught us about people's ability to calculate.
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 Headlines & Deadlines for Students  American Mathematical Society (AMS)
The American Mathematical Society's Public Awareness Office has announced a new email notification service. Headlines & Deadlines for Students alerts subscribers about applications for fellowships, grants, meeting registrations, and other timesensitive
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 Hearty Munching on Cardioids  Cut the Knot!, Alexander Bogomolny
A cardioid curve (roughly resembling a kidney bean) is the locus of points traced by a point on a moving circle that rolls without slipping on the outside of a circle of equal radius (explore the illustrative applets). An interactive column for MAA Online
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 Hebrew Letters / Consonants  Amerisoft Inc.
A Hebrew letter and number chart from the At Home With Hebrew computer tutorial.
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 HegartyMaths  Colin Hegarty
Hundreds of narrated screencasts covering the UK's Key Stage 3, GCSE and ALevel curriculums, along with many past paper solution walkthroughs. Instructional videos — most for students; some for teachers — also available from the HegartyMaths
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 helaman ferguson sculpture  Helaman Ferguson
A mathematician sculptor whose stone and bronze artworks include "Aperiodic Penrose," the Coons Siggraph award, "Esker Trefoil Torus," "Fibonacci Fountain," "Fibonacci Tetrahedron," "Figureeight Knot," "Eine Kleine Link Musik," "Torus with CrossCap,"
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 Helping with Homework  Math Forum, Teacher2Teacher FAQ
Answers to a frequently asked question: How can I help my child with math homework?
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 H.E.L.P. Program  Digital Directions International Inc.
Teaching math to English Language Learners (ELL), and Spanishspeaking students in particular, this internetbased, supplementary curriculum removes language barriers from the learning of math skills and math content via interactive lessons. Learn about
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 HelpWithAssignment.com  Surya Akella
Online tutoring and homework help for high school, college, university students, and beyond through affiliate site HelpWithThesis.com. Each project receives the attention of a team of two or three individuals rather than one person. See, in particular,
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 Henry Segerman's webpages  Henry Segerman
Mathematical and typographical art "of various kinds and dimensions." See, in particular, Segerman's 3D printed sculpture, book covers and posters, diamond Go, ambigrams, autologlyphs, autological words, Escher's Printgallery, and mathart tshirts available
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 Herkimer's Hideaway  Sanderson M. Smith, Cate School, Carpinteria, CA
Assignments and readings: a resource for mathematics students and teachers, particularly in the areas of Algebra II, AP Statistics, and Statistics/Finance. See also Smith's Writings and reflections.
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 The Hermit's Epidemic (MSTE)  Jay Hill; University of Illinois at UrbanaChampaign (UIUC)
A project that tracks the spread of a disease on a desert island populated by hermits, using the Internet and other student activities to explore the concept of expected value: How many hermits do we expect to get the disease? A model using dice and an
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 Heron's Calculation of Triangle Area (MSTE)  James P. Dildine; University of Illinois at UrbanaChampaign (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
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 Heron's Formula  Math Forum, Ask Dr. Math Common Question
A selection of answers to questions about Heron's formula, including proofs, derivations, and applications of it.
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