This is a collection of websites that provide a variety of resources for Prekindergarten through Grade 12 mathematics teachers. It includes links to mathematics (and sometimes other subject area) teaching resources (lessons, problems, content, and activities) and professional development resources. Several of the sites are gateway sites that contain extensive links to other sites.

National Council of Teachers of Mathematics [NCTM]

http://www.nctm.org/

This site contains information about the NCTM Standards and other publications as well as Internet resources to improve the teaching and learning of mathematics for all students. The NCTM Illuminations Web site is designed to illuminate the new vision for school mathematics presented in NCTM's Principles and Standards for School Mathematics.

Mathematics Content Standards for Arizona Public Schools.

http://www.ade.state.az.us/standards/math/

This site contains information about the Mathematics Content Standards for Arizona Public Schools.

National Library of Virtual Manipulatives

http://www.matti.usu.edu/nlvm/nav/index.html

This site contains a library of uniquely interactive, web-based virtual manipulatives and concept tutorials. It is part of a three-year NSF supported project.

Eisenhower National Clearinghouse [ENC] (Gateway Site)

http://www.enc.org/

This site contains mathematics and science standards, international comparisons such as the TIMSS data, and resources for teachers. It includes a large set of math and science Internet sites and classroom activities.

Education Index (Gateway Site)

http://www.educationindex.com/

This site is an annotated guide to education-related sites (mathematics included) on the Web. The sites are sorted by subject and lifestage, so you can find what you are looking for quickly and easily.

 Netfiles

http://www.netfiles.org/

This site contains sample lessons as well as a large collection of other educational resources.

School Image Gallery

http://www.hoxie.org/clipart/clip00.htm

This sites contains school related web graphic images.

Columbia Education Center [CEC] (Gateway Site)

http://www.col-ed.org/

This site contains a large collection of links to a variety of resources for teachers, including lessons plans, activities, and professional development resources.