21st Century Problem Solving
   Sound problem solving concepts and examples that apply to grade school through graduate school and beyond.
   http://www.hawaii.edu/suremath/home.html

A Different Place
   Gateway to standards-based mathematics education. Internet resources to improve teaching learning of school mathematics based on the NCTM Priniples and Standards for School Mathematics.
   http://www.adifferentplace.org/

ACTS Mathematics
   Irish school mathematics review, with answers.
   http://www.acts.tinet.ie/maths.html

All Elementary Mathematics - Online Mathematical School...
   Online mathematical high school. Includes all sections of curriculum of elementary mathematics and practice tests.
   http://www.bymath.com

Answering Mathematics Helper
   Exercise tool to practice addition, subtraction, multiplication, division, trigonometry and fuzzy logic problems.
   http://www.answermath.com/

BrainTrax
   Offers assistance in algebra, geometry, trigonomety and calculus. Contains real-world examples, detailed example problems, and interactive features. Internet Explorer 5.0+ on a Windows PC is required.
   http://braintrax.umr.edu/

Canadian Mathematical Society - Math Projects for Science Fairs
   Offers ideas for contestants for various topics such as numbers, time scheduling, games, geometry, and combinatorics.
   http://camel.math.ca/Education/mpsf/

Children's Mathematics
   A network of teachers, educators and students interested in supporting and developing children's early graphic interpretations of mathematical concepts.
   http://www.childrens-mathematics.net/

Chisenbop Tutorial
   A method of doing basic arithmetic using the fingers that is attributed to the Korean tradition.
   http://www.cs.iupui.edu/~aharris/chis/chis.html

Common Errors in Undergraduate Mathematics
   Describes the errors seen most frequently in undergraduate mathematics, the most likely causes and remedies. Avoid these in order to improve class performance.
   http://www.math.vanderbilt.edu/~schectex/commerrs/

Coolmath.com
   An amusement park of mathematics. Puzzles and number problems, fractals, geometry, calculus, algebra, online games, online calculators, and links.
   http://www.coolmath.com/

Cornell University: Historical Math Monographs
   Digital images of many famous and important math texts Indexed by author and title.
   http://historical.library.cornell.edu/math/

Count On
   Features games, puzzles and competitions for all ages. Details of events, an online maths museum, newspaper and magazines. Resources for parents and teachers.
   http://www.counton.org/

Curious Math
   Tricks and rules for quickly calculating certain types of problems. Also has some entertaining trivia and facts that are nice to slip into casual conversation.
   http://www.curiousmath.com/

Cut the Knot: Interactive Mathematics Miscellany and Puzzles
   Features instructional games and puzzles based on a variety of math topics. Includes more serious articles about the language of math and related links.
   http://cut-the-knot.com/

Cynthia Lanius: Fractals
   Features class exercises and lessons or making fractals. Includes explanation of this unique image and types of formulas that are used to create it.
   http://math.rice.edu/~lanius/frac/

Dyscalculia
   Explains what this math learning difficulty is, signs of a child having this disease, and basic screening topics.
   http://www.dyscalculiainfo.org/

Extracting Square Roots by Means of Napier Rods
   Illustrated, step-by-step tutorial.
   http://www.qnet.fi/abehr/Achim/Calculators_Napier_rods2.html

GCSE Maths Revision
   Features brief reviews of basic math concepts, from numbers and fractions to probability and statistics. Also, includes formula page and help forum.
   http://www.mathsrevision.net/gcse/

Gelatinous Vector Components
   Meant for Grade 7-9 (age 12-14), younger and older. This experiment demonstrates the x and y components of a vector force.
   http://www.madsci.org/experiments/archive/854443128.Ma.html

Innumeracy.com
   Common mathematical and logical errors.
   http://innumeracy.com/

Interactive Math Server
   Interactive exercises, online calculators and plotters, mathematical recreations. Available in French and English.
   http://wims.unice.fr/~wims/wims.cgi

K-12 Activities
   MathMol (Mathematics and Molecules) is designed to serve as an introductory starting point for K-12 students and teachers interested in the field of molecular modeling and its application to mathematics.
   http://www.nyu.edu/pages/mathmol/K_12.html

Keith Devlin - The Math Guy
   The professor is a regular visitor to NPR's Weekend Edition, where he discusses math topics, both popular and theoretical. Includes links to NPR segments for this show since 1995.
   http://www.stanford.edu/~kdevlin/MathGuy.html

LD OnLine : Math Learning Disabilities
   Long article providing descriptions of various math learning disabilities.
   http://www.ldonline.org/article/5896

MCA's Free Online Math Lessons
   Features selected learning modules for arithmetic, algebra, geometry, trigonometry, statistics and probability. Includes some resource links.
   http://www.staff.vu.edu.au/mcaonline/units/index.html

Math Abundance
   Tutorial covers trigonometry, vectors, lines,complex numbers, cubic equations sequences and limits, continuity derivatives, minimum and maximum values, exponential and logarithmic functions, hyperbolic functions, finding roots of equations, i
   http://www.ping.be/~ping1339/

Math Centre
   Free mathematics support materials for UK university professionals and students.
   http://www.mathcentre.ac.uk/

Math Corner
   Visitors can test their math skills and do research. Also, offered are math supplies like: books, calculators, and software.
   http://www.mathcorner.com/

Math Forum Quick Reference
   Resources for teaching all levels of K-12 math.
   http://mathforum.org/special.html

Math Help
   Tips and techniques for sixth grade math through high school, and offers one-on-one help for math students using a variety of methods.
   http://mcraefamily.com/MathHelp/

Math Magic
   K-12 telecommunications project motivates students to use computer technology while increasing problem-solving strategies and communications skills. Posts challenges in four categories (k-3, 4-6, 7-9 and 10-12) to trigger each registered team to pair up
   http://mathforum.org/mathmagic/

Math Skills
   Provides regular newsletters, survey data, a discussion group and conference details, as well as resource lists.
   http://www.hull.ac.uk/mathskills/

Math as Language
   A brief discussion of math lingo and how it is different from regular communications. Includes additional resource links.
   http://www.cut-the-knot.com/language/index.shtml

Math in Daily Life
   Virtual exhibit looks at the ways people use math every day, from cooking to planning for retirement. Offers teachers labs and workshops.
   http://www.learner.org/exhibits/dailymath/

Math.com
   Homework help, tutoring, and formulas.
   http://www.math.com/

MathBank
   A resource bank of teaching material for lecturers and students in mathematics at UK universities. Free upload and download of material. Registration required.
   http://www.mathbank.soton.ac.uk/

MathSphere
   For teachers and parents to download practice worksheets and tests to improve children's achievement. Competitions, children's pages and children's contributions.
   http://www.mathsphere.com/

MathWorld Interactive
   Participating students from all over the world work on open-ended word problems called MathWorld Interactive Challenges. During the cycle, students discuss, share ideas, meet each other, and ask questions on the he MathWorld Interactive Message Boards.
   http://mathforum.org/mathworld/

Mathematically Correct
   Critiques and concerns regarding various reform efforts, fads and trends in math instruction, described as "fuzzy math" or "New-New Math." Includes news from the "math wars" and resources for assessing different curricula.
   http://www.mathematicallycorrect.com/

Mathematics Education Digests
   Topical articles for educators, originally produced for the US Department of Education ERIC clearinghouse.
   http://www.stemworks.org/digests_math.html

Mathematics Experiences Through Image Processing (METIP)
   Materials that promote digital image processing as a means of motivating K-12 students in mathematics and as a means of teaching mathematical concepts.
   http://www.cs.washington.edu/research/metip/

Mathematics Help Central
   Devoted to helping the searching math student, this site includes topics concerning all aspects of mathematics. Also includes class notes.
   http://www.mathematicshelpcentral.com/

Mathematics Learning and Assessment
   Sharing Innovative Practices. A report on innovations at various UK universities.
   http://www.hull.ac.uk/mathskills/themes/theme3/mathskill.html

Mathematics Reference
   Trigonometry identities and calculus rules for integration and differentiation.
   http://www.alcyone.com/max/reference/maths/index.html

Mathematics for Mechanics
   Topics: Algebra, Geometry, Trigonometry, Analytical Geometry, Calculus, Vectors. Teaching material and tests. Pages created by Mehrdad Negahban and the University of Nebraska.
   http://em-ntserver.unl.edu/Math/mathweb/mathtoc.html

Mathematics, Statistics and Operational Research
   Information, resources and links to learning and teaching.
   http://www.lgu.ac.uk/deliberations/Subjects/math_stat/

Mathguide
   A mathematics-related, one-stop website for interactive lessons, puzzles, educational issues, terminology, help, projects and lessons.
   http://www.mathguide.com/

Mazes from Newton's Apple
   What does mathematics have to do with mazes? What is the history behind mazes? Are there different kinds of mazes? What is topology? David solves a maze by applying the principles of mathematics.
   http://www.tpt.org/newtons/11/mazes.html

Meridian Creative Group
   Creates educational print and software programs that teach math concepts with real-life applications.
   http://www.meridiancg.com/

Mortensen Math
   Products designed for a mathematics curriculum by an educator and mathematician. Includes online activities for kids.
   http://www.mortensenmathdirect.com/

Multiplication Help
   Learn to multiply by counting with fingers. Fee based service.
   http://www.multiteach.net/

Murderous Maths
   Books, games, hints, tricks.
   http://www.murderousmaths.co.uk/

NRICH-Online maths club
   An online maths club for young mathematicians. Publishing a monthly magazine on the web with problem sets, children's solutions to previous months problems, games, and news of events.
   http://www.nrich.maths.org/

NYC Honest Open Logical Decisions (HOLD) on Mathematics Education Reform
   Organization concerned with math instruction in New York City schools. Includes extensive news, advice to parents, and other information about curriculum, trends, and issues.
   http://www.nychold.com/

Natural Math
   To create and then develop an environment for learning mathematics. Articles, software tools and links.
   http://www.naturalmath.com/

Navigational Vectors
   Interactive site allows students to solve a real world problem using science and mathematics. Learn about vectors by using real-time weather maps and by tracking real planes flying in the U.S. skies.
   http://www.k12science.org/curriculum/vectors/

Newsgroup k12.ed.math
   Web page for the newsgroup k12.ed.math. Contains the charter, FAQ and other information about the newsgroup.
   http://www.thinkspot.net/k12math/

Numeracy
   Those interested and involved in adult mathematical literacy may find helpful input at the numeracy discussion list.
   http://mathforum.org/epigone/numeracy/

Online Math Applications
   Free stock market game to learn how the market works. Using real time data from Wall street.
   http://library.thinkquest.org/4116/

Ordinary Mathematics
   Covers forms, numbers and functions. Introduces high school students to basic to advanced math principles and reasoning.
   http://kr.cs.ait.ac.th/~radok/math/mat/startall.htm

Pre-Sessional Maths
   Refresher programme at Loughborough University.
   http://www.lboro.ac.uk/faculty/eng/maths/

Primary Arithmetic, or Math
   Four booklets that one can easily copy: one of math games for ages 4-8, two about teaching early math, and one that is more general. Some worksheets, number charts.
   http://www3.telus.net/public/m.games/welcome.html

Problem of the Week
   Creative and challenging math problems appropriate for high school students, updated often (usually weekly). Questions are archived.
   http://www.theproblemsite.com/problems/maml/

Project Links
   Contains modules for probability and statistics, discreet math, linear systems and advanced calculus. Developed by the Rensselaer Polytechnic Institute.
   http://links.math.rpi.edu/

Ptolemy's Ptools
   Using tools of yesterday, and tools specially created for this site, Ptolemy Ptools will give you geometry projects to do with your 3D computer games as well as projects to take outside and explore the world.
   http://library.thinkquest.org/19029/

QELP Web Site
   Quantitative Environmental Learning Project (QELP) at Seattle Central Community College. Resources to integrate math and environmental science in college classrooms.
   http://www.seattlecentral.org/qelp/

Reaching the Second Tier: Learning and Teaching Styles in College Education
   Discusses the study conducted by Sheila Tobias about two groups of science students that are separated by personal math class experience. Also, explains ways to discover a student's strong point as far as assimilating and processing knowledge.
   http://www.ncsu.edu/felder-public/Papers/Secondtier.html

Resources for Math Teachers
   A collection of links, as well as recommended reading and math humor.
   http://www.bluemoon.net/~watson/mteach.htm

S.O.S. Math
   Contains tutorials covering algebra, geometry, calculus, differential equations, matrices, and complex variables. Reviews the most important results, techniques and formulas. Presented in worksheet format and require active participation. Includes prac
   http://www.sosmath.com/

Shelley's Mathematics Articles
   Notes and afterthoughts from teaching for UMUC European Division. Essays on arithmetic, algebra, geometry, trigonmetry, and assorted other topics.
   http://faculty.ed.umuc.edu/~swalsh/Math%20Articles/MathArt.html

SimCalc Project
   Proposes a democritization of the learning of calculus through a combination of technology and curriculum reform. Main focus is to make basic concepts accessible to a variety of students by using a more intuitive approach. Includes information about cu
   http://www.simcalc.umassd.edu/

Simply Number Sense
   A site dedicated to teaching basic mathematics and how to solve mathematical problems without reliance on the calculator
   http://www.thinkquest.org/library/site_sum.html?tname=17888&url=17888/opening.shtml

Slates, Sliderules and Software - Teaching Math in America
   Covers the use of chalk boards, geometrical models, rulers, and, calculators and computers to assist the teaching of mathematical concepts. Explains the overseas influence in education and America's additional contribution to the use of these tools. Arti
   http://americanhistory.si.edu/teachingmath/html/101.htm

Solid Gold Gnarly Math
   Aims at getting kids age 10-14 interested in mathematics. Reviews math books, Internet links, and software products. Offers a free newsletter and sample downloads. For parents, teachers, homeschoolers, and other adults, too.
   http://www.gnarlymath.com/

Solve It Math Program
   Problem solving program for grades 4th through 8th.
   http://www.udel.edu/educ/solveit/

Study Skills Online
   An electronic guide to some of the best ways to study by Martin Greenhow, Brunel University.
   http://www.brunel.ac.uk/~mastmmg/ssguide/sshome.htm

Teachers' Lab - Patterns in Mathematics
   Teachers explore how patterns occur in numbers and in words in this interactive lab.
   http://www.learner.org/teacherslab/math/patterns/index.html

Teaching Innovations
   A collection of case studies illustrating some innovative practices currently taking place in Higher Education Mathematics Departments across the United Kingdom. Ken Houston (Staff and Educational Development Association).
   http://www.infj.ulst.ac.uk/~cdmx23/innovations.html

The Living Mathematics Project
   Working to apply recent advances in computer programming languages and the technology of the World Wide Web to construct a new medium for the communication of Mathematics. Includes links to several visualization sites. [Java.]
   http://sunsite.ubc.ca/LivingMathematics/V001N01/UBCExamples/

The Math Page
   Arithmetic and trigonometry courses taught at Borough of Manhattan Community College, The City University of New York.
   http://www.themathpage.com/

The Mathematics of Cartography
   Learning math through maps.
   http://math.rice.edu/~lanius/pres/map/

The Precalculus Algebra TI-83 Tutorial
   Includes lessons for using the TI-83 graphing calculator in a college algebra or precalculus algebra course.
   http://www.titutorials.com/algb83/mainpage.htm

The STIMULUS Project
   STIMULUS - peer assisted learning (PAL) through visits to schools. University students visit schools to share with school students their enthusiasm for science, engineering, computers, mathematics or medical sciences and, guided by experienced teachers,
   http://www.stimulus.maths.org/

The Student Support Centre (UK) Ltd
   Home based learning materials to supplement classroom work using Maths and English videos for ages 5-18. With over 40,000 students the results speak for themselves.
   http://www.student-support.co.uk/

Vectors by the University of Guelph
   Explanations notations, arithmetic operations, rules and the relationship to Cartesian graphs.
   http://www.physics.uoguelph.ca/tutorials/vectors/vectors.html

Web-Based Math Resources for the College Student
   There is a large and rapidly growing body of material on the web that may be of use to the mathematics student. Here are the authors' choices for best of those sites.
   http://www.langara.bc.ca/mathstats/resource/onWeb/

What is a Power of Ten?
   Visual lesson on orders of magnitude (distances in this case), from a perspective of 10E-15 meters to 10E26 meters.
   http://microcosm.web.cern.ch/Microcosm/P10/english/

Xocxoc
   Glossary of mathematical mistakes; quotes; puzzles and problems; links.
   http://mathmistakes.com/