**Disclaimer:** I do not maintain any of the sites in the links below,
nor am I or the University responsible for their content or opinions. I
maintain this list only in the hope of providing resources for present and
future teachers.

- NCTM
*Principles and Standards*(2000), http://www.nctm.org/standards/ - NCTM Principles and Standards
*Illuminations*, http://illuminations.nctm.org

This site contains many examples and illustrations designed to clarify the new standards. *National math and science standards (ENC)*, http://www.enc.org/professional/standards/national/

Links to the national math and science standards on the ENC page.*State Board for Educator Certification*, http://www.sbec.state.tx.us*Texas Essential Knowledge and Skills*, http://www.tea.state.tx.us/curriculum/teks/ (click here for pre-K guidelines)*STAAR and End-of-Course Student Assessment Division*, http://tea.texas.gov/Student_Testing_and_Accountability/Testing/State_of_Texas_Assessments_of_Academic_Readiness_(STAAR)/STAAR_Released_Test_Questions/

Includes actual STAAR exams and answer keys, in PDF format.*TExES information and preparation manuals*, http://www.texes.ets.org

Contains PDF files of preparation manuals for TExES certification exams.

- MAA, the
*Mathematical Association of America*

Devoted to mathematics teaching and research, especially college-level teaching. - NCTM, the
*National Council of Teachers of Mathematics*

The national professional organization for math teachers. - TEA, the
*Texas Education Agency*

State agency responsible for K-12 education in Texas. - the
*U.S. Department of Education*

National agency sponsoring education initiatives.

- K-12
- Elementary
- Middle grades
- High school
- Problem/lesson resources: Open Middle, Nrich

*Teaching Children Mathematics*, NCTM's magazine for elementary grades math teachers-
*Mathematics Teaching in the Middle School*, NCTM's magazine for middle grades math teachers -
*Mathematics Teacher*, NCTM's magazine for high school math teachers -
*Journal for Research in Mathematics Education*, NCTM's research journal *ERIC Database*

The Educational Resources Information Center (ERIC), a federally-funded national information system, includes a searchable database of articles and books on education.##### CGI

*CGI geometry article*, http://144.92.174.191/Publications/WCER_Highlights/Vol.6_No.4_Fall_1994/ Geometry_engages_students.html

This article presents a geometrical aspect of CGI.*CGI perspective*, http://www.ncrel.org/sdrs/areas/issues/content/cntareas/math/ma3cgi.htm

This page, taken from the Pathways site (see below), contains audio and text explaining CGI briefly, by teachers who use it.

- printable grid paper
*Learn NC*has a page on conducting student interviews.*"Cool Math"*by Karen, http://www.coolmath.com

Lessons, links, pictures, puzzles and fractals, by a math teacher. This is a favorite of most of the teachers who've browsed this list. A must-see. Coolmath now has spinoff sites http://www.coolmath4kids.com, http://www.coolmath4teachers.com, and http://www.coolmath4parents.com.*Cynthia Lanius/CEEE home page*, http://math.rice.edu/~lanius/

A classroom math teacher and now the director of Rice University's Center for Excellence and Equity in Education (CEEE), she has lots and lots of math exploration pages, including A Fractal Geometry Unit, Geometer's Sketchpad Pinwheels, The Million $ Mission, Power Cards, Mathematics of Cartography, I Love Calculus, Fractions Lesson, Geometry Online, Artist turned mathematician, Algebra/Calendar Fun.*E-examples*to accompany NCTM's (2000)*Principles and Standards*, http://standards.nctm.org/document/eexamples/index.htm

These electronic examples feature Java applets and discussion providing activities for children in K-12 classrooms.*The Eisenhower National Clearinghouse for Mathematics and Science Education*, http://www.enc.org

Math and science resources, including lessons and activities, classroom links, reform links, etc.*Internet Math Lessons Database*, http://www.mste.uiuc.edu/html.f/resource.php

A database of math lesson plans for all grade levels involving computers and/or the Internet (includes a number of applets).*Lesson PlanZ*, http://LessonPlanZ.com

Lesson plans for all subjects, pre-K--12.*Mathematics Archives*, http://archives.math.utk.edu/

Teaching materials, software, WWW links organized by Mathematical Topics, and more. Searchable.*Mathematics TEKS Toolkit*, http://www.tenet.edu/teks/math/

This site is intended to provide resources for implementing the mathematics Texas Essential Knowledge and Skills (TEKS) and for improving mathematics programs in Texas. The site is developed and maintained by the Texas Statewide Systemic Initiative (SSI), as the Texas Education Agency's designated Mathematics Center for Education Development. Includes "Clarifying Activities" for TEKS and a huge resource section.*Math Forum home page*, http://forum.swarthmore.edu/

Numerous math and math education resources.*Math Forum - Ask Dr. Math*, http://forum.swarthmore.edu/dr.math/

Students and teachers can ask math questions.*Math Learning Center*at Portland State University, http://www.mlc.pdx.edu

The math education group at PSU produces some outstanding math curricula, including Bridges in Mathematics (K-2 curriculum), Box It Or Bag It (K-2 resource), Opening Eyes to Math (3-4 curriculum), Visual Mathematics/Math Alive! (5-8 curriculum), Math and the Mind's Eye (5-9 resource).*Math Stories*, http://www.mathstories.com

This site has loads of story problems for use with all grades, classified by grade level, difficulty, etc.*Mega-Mathematics*, http://www.c3.lanl.gov/mega-math/

Stories and activities for K - 12 students, presented by Los Alamos National Labs.*NCISLA*, http://www.wcer.wisc.edu/ncisla/

The*National Center for Improving Student Learning and Achievement in Mathematics and Science*is a research center at the University of Wisconsin which does, and has done, lots of studies on how children learn math and science. Teacher resources include the CGI project materials, a digital (online) library of good math and science activities, and math and science curricula (not online).*Pathways to School Improvement*, http://www.ncrel.org/sdrs/pathwayg.htm

This site, sponsored by the North Central Regional Educational Laboratory, provides a vast network of text, audio, video and web resources for all content areas. The math content area page is at http://www.ncrel.org/sdrs/areas/ma0cont.htm.*PBS Mathline*, http://www.pbs.org/learn/mathline/

PBS Mathline has elementary, middle and high school math projects.*PIGS Space: Cooperative Networking*, http://cspace.unb.ca/nbco/pigs/

Math (and other) lesson plans for grades 3 - 8, plus facilities for online student collaboration.*Quia (Quintessential Instructional Archive)*, http://www.quia.com

Contains activities, games, quizzes, tools for all ages, all subjects, and in 15 languages.*Teachers.Net Lesson Exchange*, http://www.teachers.net/lessons/

Searchable database of lesson plans and games from around the world.*TERC*, http://www.terc.edu

This non-profit educational organization has produced such outstanding products as the elementary math curriculum*Investigations in Number, Data and Space*and the*DMI (Developing Mathematical Ideas)*professional development materials. From their home page, click on "Mathematics Education" and then select the project of interest from the menu.*Texas Education Network (TENET)*, http://www.tenet.edu

The purpose of the TENET Web is to provide the most useful, up-to-date resources for the Texas education community, including teachers, administrators, parents and students. There are sections on News and Announcements, Opportunities for Educators, Resource Center, Educators' Forum, K-12 Schools on the Web, Customer Support, and About TENET.*Texas Instruments Educational Resources page*, http://www.ti.com/calc/docs/resource.htm

Mostly related to technology (principally TI graphing calculators) in the classroom. You can also just try http://www.ti.com/calc/docs/*21st Century Problem Solving*, http://www.hawaii.edu/suremath/home1.html

These Web pages provide examples of problems solved using reliable problem solving methods, discussion of the principles of reliable problem solving and an evolving encyclopedia of solved problems in mathematics, physics and chemistry. The main focus is on pre-college algebra.

*Annenberg/CPB Channel*, http://www.learner.org/channel/

This channel, available by satellite and on many cable systems, broadcasts educational programming, including many of the Annenberg/CPB videos showing exemplary math lessons.*Biographies of Women Mathematicians*, http://www.agnesscott.edu/lriddle/women/women.htm*Calculus graphics*, http://www.math.psu.edu/dna/graphics.html

These are excerpts from a collection of graphical demonstrations developed for first year calculus.*The Center for Science Education*at U.C. Berkeley's Space Sciences Laboratory, http://cse.ssl.berkeley.edu

Has a wealth of science information, including lots of detailed lesson plans for all sorts of science lessons, especially astronomy.*The Fractory*, http://library.thinkquest.org/3288/fractals.html

Learn all about fractals online. (Cool graphics.)*The Geometry Center*(University of Minnesota), http://www.geom.uiuc.edu

Includes course materials, interactive web and Java applications, downloadable software, links, and lots more.*History of Math page*, http://aleph0.clarku.edu/~djoyce/mathhist/

This site has a timeline of mathematics, mathematicians, and important mathematical discoveries, with pages for each.*History of Mathematics Archive*, http://www-groups.dcs.st-and.ac.uk:80/~history/

Includes mathematician biographies, chronologies and more.*Interactive Mathematics Online*, http://library.thinkquest.org/2647/

Online explorations of algebra, trig, geometry, chaos and make-your-own stereograms.*Martindale's 'The Reference Desk: Calculators Online'*, http://www.martindalecenter.com

The amount of information on this site is truly humbling. One tiny section of it, online calculators, includes links to all sorts of online calculators, for example: "The Lye Calculator will calculate the amount of lye (either sodium hydroxide or potassium hydroxide) required to convert the specified amount of fats and oils to soap."*Mathematical Quotation Server*, http://math.furman.edu/~mwoodard/mquot.html*Mathematics Information Servers at Penn State*, http://www.Math.psu.edu/MathLists/Contents.html*Mathwright Library*, http://www.mathwright.com

For MS Windows only. The Mathwright Library is a free collection of interactive mathematics and science books that you bring to your own desktop from the web, and then read at your leisure. Once you join the Library by downloading their Library Player 2000, which operates the books on your computer, you may come here whenever you like to add to the private collection on your own computer, or to discuss ideas with other visitors to the library.*Online Geoboard*, http://nlvm.usu.edu/en/nav/frames_asid_172_g_2_t_3.html

Virtual geoboard applet.*PlaneMath*, http://www.planemath.com/

Activities for students, related to aeronautics and math.*Yahoo's Math Index*, http://www.yahoo.com/text/Science/Mathematics

Contains numerous math-related links.