- Array of Lesson Plans, Worksheets, Downloads, and Other Tools (Many are Free)

From Teach-nology.com
http://www.teach-nology.com/teachers/lesson_plans/
- ArtsEdge
Integrating the Arts into the Curriculum
http://artsedge.kennedy-center.org/
- Ask ERIC Virtual Lessons
http://www.eduref.org/Virtual/Lessons/
- Award Winning HotChalk Learning Environment

Includes a learning management system (LMS), a rich library of teacher-contributed lesson plans, premium digital content like NB
http://www.hotchalk.com
- Dictionary & Etymology w/ examples in TV/Music culture
http://en.wikipedia.org/wiki/Wiktionary
- Differentiated Lesson Plan Form

Just Fill in Required Fields Online to Create Lesson Plan
http://www.ncrtec.org/tl/lp/
- Economics Lesson Materials and Resources
Search by Grade or State Standard
http://www.econedlink.org/
- edHelper
Rich in resources and activities
http://www.edhelper.com/
- EDSITEment
Integrating the humanities into lessons and resources for Art & Culture, Lit. & Lang. Arts, Foreign Language, & Social Studies
http://edsitement.neh.gov/
- Excellent Resource Links
By Education Resource Group
http://www.lessonplans.com/table.htm
- Gamequarium
Compilation of education links to interactive activities and resources
http://www.gamequarium.org/index2.html
- Great K-12 lesson plans and resources

Use the search function for faster results.
http://www.lessonplanz.com/
- Ideas and wealth of links to teaching literacy

http://www.literacy.uconn.edu/
- ILLUMINATIONS
Standards-based lessons and resources for mathematics
http://illuminations.nctm.org/
- K-12 Resources and Lesson Plans by Subject/Grade or Keyword- Use Search Function on the Right

A division of Network for Instructional TV, Inc.
http://www2.teachersfirst.com/about-tf2.cfm
- K-8 Tools, Resources, and Games for Teachers, Administrators, and Kids

From Dr. LeBeau's Website
http://www.suelebeau.com/index.html
- Read, Write, Think
High Quality Resources in Reading and Language Arts
http://www.readwritethink.org/index.asp
- Resources by Theme
http://www.emints.org/ethemes/resources/by-title.shtml
- S.T.A.R. (Suffolk Teaching Activities and Resources)
http://star.spsk12.net/
- Science NetLinks
Standards-based lessons and resources for science
http://www.sciencenetlinks.com/
- Search for Lesson Plans, Worksheets, and other Resources by Grade, Subject, and Theme K-12

Highly Recommend!!
http://www.atozteacherstuff.com/Lesson_Plans/
- Teacher Resource Center

From Georgia Dept. of Education
http://web.archive.org/web/20060427015847/http://www.glc.k12.ga.us/trc/
- The Educator's Reference Desk
Lesson Plans Submitted by Teachers
http://www.eduref.org/Virtual/Lessons/index.shtml#Search
- Top 101 Web Sites for Teachers!

A comprehensive directory of the best instructional web sites.
http://www.assortedstuff.com/top101/?page_id=2