 How Far Is It?  Bali Online
This service uses data from the U.S. Census and a supplementary list of cities around the world to find the latitude and longitude of two places, and then calculates the distance between them (as the crow flies). It also provides a map showing the two
...more>>
 How Many Animals?  Math Forum, Ask Dr. Math Common Question
A selection of answers to questions such as "Joe counts 48 heads and 134 legs among the chickens and dogs on his farm...."
...more>>
 How Many Regular Polyhedrons Are There In This or Any Universe? (SMILE)  Lawrence E. Freeman, Kenwood Academy
A lesson designed to teach the idea of "regularity" in geometry, exploring regular polygons and polyhedra. From the Geometry and Measurement section of a collection of almost 200 single concept lessons by the Science and Mathematics Initiative for Learning
...more>>
 How Students Learn: History, Math, and Science in the Classroom  M. Suzanne Donovan and John D. Bransford, National Academies Press
A volume that uses the latest research on cognition, teaching, and learning to address the practical questions that confront every classroom teacher. Leading educators explain in detail how they developed successful curricula and teaching approaches,
...more>>
 How Stuff Works
A site devoted to explaining the world in a way that is both informative and entertaining. Content is designed to be understandable for people of all ages and education levels.
...more>>
 How Things Work  Louis A. Bloomfield
An archive of answers to physics questions sent by readers. "Think of this site as a radio callin program that's being held on the WWW instead of the radio. If you ask how something works, using the button below, I'll try to provide an explanation. You'll
...more>>
 How To Add Without Using Fingers  James Kent Murray
Teacher guide and student workbooks, designed to help students add faster and more accurately.
...more>>
 How to Become a Mathematics Teacher  Cait Etherington
Suggestions on how to become an elementary mathematics teacher, a middle school mathematics teacher, a high school mathematics teacher, a college mathematics professor, or a university mathematics professor. Resources for navigating the educational and
...more>>
 How to Knit a Moebius Band (Geometry and the Imagination)  Conway, Doyle, Gilman, Thurston; The Geometry Center
Directions for using two colors to knit a band that can be cut apart into a Moebius strip, expanded by Maria IanoFletcher from an original recipe by Miles Reid.
...more>>
 Howto Series  ERIC/AE; Bruce Thompson, Texas A&M Univ.
This is a set of online, fulltext books and booklets addressing practical evaluation, research, measurement, and statistical issues. The series started as a joint project of ERIC/AE and Bruce Thompson, Texas A&M University. We have since added other
...more>>
 How to use a Chinese Abacus: A ComputerBased Tutorial  Jan G. Hogle
An abacus helps make abstract math concepts more concrete. This site includes a softwarebased tutorial to illustrate the basic use of an abacus. The tutorial presents a brief introduction; and illustrates, with graphics, text, and animation, how to represent
...more>>
 HowTown.com  Lance Pettit
How to do practically everything in 10 steps or less. Submit your own HowTo, read others, or ask a question using the Web form provided.
...more>>
 HubbleSite  Space Telescope Science Institute (STScI)
The home on the Web of the Hubble Space Telescope, a NASA Origins mission that seeks answers to fundamental questions about the universe and our place in it. Features include: Newscenter (search, by year or category, an indexed catalog of Hubble pictures,
...more>>
 Hufnagel's Software  Hank Hufnagel
Math games that reinforce basic operations and symmetry: Mouse Math, SpiroMath, and SymmeToy.
...more>>
 Humanistic Mathematics  Mathematics Education at The Math Forum
The idea that teaching, learning, and creating mathematics issues from the same psyche as literature, aesthetics, and music has attracted, since 1986, a worldwide network of people who share this belief. The existence of the Humanistic Mathematics Network
...more>>
 Human Research Program Education and Outreach Project  NASA  Johnson Space Center
This project strives to reach diverse communities, inspire a new generation of scientists and engineers, and encourage future space explorers. Browse all of its programs through the site above. One of the project's areas of focus is to develop supplemental
...more>>
 HungHsi Wu's Home Page  HungHsi Wu
Articles on the Common Core Mathematics Standards (CCSS) and math education in general, such as "The impact of Common Core Standards on the mathematics education of teachers," "Bringing the Common Core State Mathematics Standards to Life" (published in
...more>>
 Hungry Frog Software  Science Education Software Inc. (SESI)
Educational software for Windows 95/NT and Apple Macintosh  Math, Chemistry 512, Latin/Greek HS & College, and languages, 412 (French, Spanish, Italian, German). All of the Hungry Frog games are based on the same fundamental game scenario: frogs
...more>>
 HyperGami and JavaGami  Ann & Mike Eisenberg; Inst. of Cognitive Science, Univ. of Colorado, Boulder
HyperGami and JavaGami are software environments for designing and building paper sculpture. Choose from a number of starting polyhedra, which appear in a 3D window alongside a corresponding "folding net" in a 2D window. Employ both builtin features
...more>>
 IAEPedia  Information Age Education (IAE); The Science Factory
IAE, founded by Dave Moursund, is a nonprofit organization that provides free materials for preservice and inservice teachers. It focuses on improving education at all levels and throughout the world. The IAEPedia is a wiki page about its educational
...more>>
 Ian's Proof that Infinity = 1  Don Cohen (The Mathman)
Young children try writing the sum of an infinite series as a fraction. What's wrong with Ian's argument? Newton and Euler and those other mathematicians had made similar mistakes with infinite series! The problem is that the infinite series converges
...more>>
 ICME10 Denmark
The 10th International Congress on Mathematical Education will be held in Copenhagen, Denmark, July 411, 2004. The aim is to show what is happening in mathematics education worldwide, in terms of research as well as teaching practices; exchange information
...more>>
 iCoachMath.com  HighPoints Learning, Inc.
iCoachMath.com coaches students online; and provides teachers with student performance reports, customized test papers, and math resources such as lesson plans aligned to state and national standards. The site freely offers an illustrated dictionary of
...more>>
 ICTMT  3: Technology in Mathematics Teaching  University of Koblenz
The Third International Conference on Technology in Mathematics Teaching. Abstracts and papers in English and German; workshops; posters. Sample subjects: Math with calculators in elementary schools; Using the TI 92 in an introductory number theory course;
...more>>
 Ideas, Concepts, and Definitions (MegaMath)  Nancy Casey; Los Alamos National Laboratory
A glossary and reference page to help students learn more about mathematics and find out what some of the special words mean. Topics: Doing What Mathematicians Do; Truth and Proof; Mathematical Objects and Their Properties; Modeling and Abstraction; Algorithms;
...more>>
 IDEAS: Interactive Dialogue with Educators from Across the State  TEACH Wisconsin Collaboration Committee, Univ. of Wisconsin
As a portal site, IDEAS provides a starting point for searching for educational materials. Although the resources have been aligned to the Wisconsin State Academic Standards, teachers in other states might find their organized list useful. Search lesson
...more>>
 If You Build It, Will They Come? Participant Involvement in Digital Libraries  Giersch, Klotz, McMartin, Muramatsu, Renninger, Shumar, and Weimar
A paper concerning a workshop involving representatives from several digital libraries with user participation. The workshop explored the ways users participate in digital libraries, and methods of studying these participants' interactions.
...more>>
 "I Get It!"  A Guide for the Mathematically Undiscovered  ThinkLinks Press
This fullcolour, K8 series focuses on conceptual language, appropriate models and simplified presentation. Books, manipulatives, blackline masters, and more.
...more>>
 The Ignite Show  Georgia Public Broadcasting
TV shows and blog that "raise respect and awareness of educators and education through the voices of teachers, parents and students" in studentcentered classrooms. Half hourlong videos that feature math teachers include episodes starring 2008 California
...more>>
 iKnowthat.com  iKnowthat.com, Inc.
Games and activities online. Pay a fee to remove ads from the site. Search by subject or grade level.
...more>>
 iKodeko  iKodeko Software, Inc.
Free online math quizzes cover least common multiple (LCM), Roman numerals conversion, number to words, and algebra word problems. Review performance, and participate in discussions around individual test items. Download the iKodeko Worksheet Maker freeware
...more>>
 Illuminations  National Council of Teachers of Mathematics (NCTM)
Interactive resources for students and teachers based on NCTM's Principles and Standards for School Mathematics. The site is divided by grade band (PreK2, 35, 68, 912, and a crossband section). Each band contains the following topics: iMath Investigationsinteractive
...more>>
 The Illustrative Mathematics Project
Providing guidance to states, assessment consortia, testing companies, and curriculum developers by illustrating the range and types of mathematical work that students will experience with the Common Core State Standards, and by publishing other tools
...more>>
 Images and Mathematics (Mathematics Archives)  University of Tennessee, Knoxville (UTK)
A large collection of images based on or related to mathematical principles, many purely mathematical abstractions, such as fractals; others of natural objects whose shape is explained by equations and mathematical models (for example, a drum vibrating).
...more>>
 Images of Mathematicians on Postage Stamps  Jeff Miller, Gulf High School, New Port Richey, FL
An alphabetical list of mathematicians whose images appear on postage stamps (Abel, Archimedes, Cauchy, Descartes, Euler, Galois, Gauss, Kovalevskaya, Laplace, Leibniz, Newton, Pascal, Poincaré, Ramanujan, and more), with countries, dates of issuance,
...more>>
 Imaginary Numbers  Math Forum, Ask Dr. Math FAQ
What is an imaginary number? What is i?
...more>>
 Imagine the Universe  HighEnergy Astrophysics Learning Center
A site, primarily but not exclusively for ages 14 and up, dedicated to a discussion about our universe: what we know about it, how it is evolving, the kinds of objects and phenomena it contains, how scientists know what they know, what mysteries remain,
...more>>
 Imagiware
A commercial site that including several games. A Java triangle puzzle; Web Puzzler lets you unscramble an image; MasterWeb is like the board game MasterMind; "Nowwwhere" is a Webaccessible virtual world; and there is a version of Mancala, too.
...more>>
 iMath
A free mathenhanced Web browser/editor supported by a net service to enable
the sending, receiving, storing, publishing, and discussion of pages with
math notation.
...more>>
 IMATH  Cathleen V. Sanders
A professional development course for teachers designed to help them integrate technology and the NCTM Standards into their teaching. Although this course is only available for credit to Hawaii teachers, teachers from other states may participate in the
...more>>
 iMath Learning  Active Maths, Inc.
Mathematical activities for kids aged 7 to 16. For individuals, small groups or with the whole class using a projector or interactive smartboard.
...more>>
 I'm on a Learning Mission  Steve Wyborney
Blog by an elementary math teacher and instructional coach. Posts, which date back to August, 2014, have included "Math Imposters," "Finding Bedrock," "The Hundreds Chart Video Tweet: My Learning Risk," "The Parent's Story of the Child," "Exploring Multiplication
...more>>
 The Impact of the Math Forum's Problem(s) of the Week on Students' Mathematical Thinking  K. Ann Renninger, Laura Farra, and Claire FeldmanRiordan
Article in PDF format. Presented at the International Conference of the Learning Sciences 2000.
...more>>
 Implementing Curriculum, Instruction and Assessment Standards in Mathematics (NCREL)  Cathy Cook; Pathways to School Improvement
From Critical issues in mathematics. National educational standards are being developed in nearly all subject areas. The National Council of Teachers of Mathematics has recently developed standards for mathematics; its Curriculum and Evaluation Standards
...more>>
 Impossible Constructions  Math Forum, Ask Dr. Math FAQ
Problems from antiquity: trisecting an angle, squaring the circle, duplicating (or doubling) the cube.
...more>>
 Improving Measurement and Geometry in Elementary Schools (IMAGES)  Research for Better Schools (RBS)
Information and resources designed to help teachers develop a deeper understanding of geometry and measurement concepts and to assist in designing meaningful instruction for elementary students. Topics addressed include: cognitive and developmental issues;
...more>>
 IMPS  Education Development Center, Inc.
Illustrations that model implementation of the Common Core State Standards (CCSS) for Mathematical Practice (MPs) and connect them to the content standards. Centered on student dialogues, each of EDC's eight Implementing the Mathematical Practice Standards
...more>>
 Inclusion in Mathematics Education for Students with Disabilities
Presents facilitative strategies for math education for students with disabilities, especially AD/HD and learning disabilities. Most grade levels are appropriate for strategy applications.
...more>>
 Indian Math Online  Indian Math Online, LLC
A webbased learning system developed with principles of mathematics as practiced throughout the Indian education system, including starting early, testing frequently, practicing continuously, building steadily, and involving parents actively. IMO first
...more>>
 Individual Differences and the United States Education System  Douglas Trelfa
An overview of ability grouping and tracking in the United States, from The Educational System in the United States: Case Study Findings, March 1999. A discussion of the diversity of beliefs found regarding the question of how to deal effectively and
...more>>
 
