EDIT MAIN
Plus_blue
All Subjects
Center for Instruction
Resources for all subject areas.
Intervention Central
Intervention ideas and resources.
RTI Network
Response to intervention.
Teaching Made Easier
Generate printable manipulatives and activities.
What Works Clearing House
Source of scientific evidence for what works in education.
Internet 4 Classrooms
Great links for all subject areas.
Graves County
Lesson specific PowerPoints in all subject areas.
Toon University
Interactive lessons and games.
Fayette County
Jeopardy templates and other powerpoint lessons.
Pulaski Elementary
Interactive lessons and games.
Jefferson County
PowerPoints by subject area.
Laurel County
Grade level and subject specific CATS-like assessments.
Math
National Library of Virtual Manipulatives
Interactive applets for a variety of math manipulatives and games
BiteSize Games
A variety of Interactive Math and Literacy Games
NCTM's Illuminations
Interactive applets for math as well as lessons and many other resources. 
Math Playground
Great math games and resources
Massachusetts Released Items Database Multimedia Math Glossary
Grades K-6
PBS Kids interactive
Function machine

Practical Living/Vocational Studies
BAM! Body and Mind
Interactive games and information on nutrition, exercise, safety, etc.
Kidshealth
Articls, games, and videos for students.

Reading
National Reading PanelStarfall
Great interactive reading lessons for primary
Scholastic
Great interactive activities for reading and other subjects
Free Rice and Vocabulary Builder
For each correct word 20 grains of rice is donated to the United Nations to help end world hunger
Literacy Resources from Clark County Free Reading
K-2 reading intervention lessons, strategies, and activities

Science
Interactive science
Lessons sorted by age, most have sound and a quiz at the end
Interactive science
Lessons for lower primary
National Science Teachers Association
Resources for Elementary Classrooms
NASA Education
Games and activities as well as other teacher resources

  

Social Studies
Growth of a Nation
Animated timeline of the growth of the U.S.
Kids Rule the White House
Learn about how the government works
Scholastic News
Current events in kid friendly format
Create your own color coded state and US maps
Regions of Kentucky webquest Regions of Kentucky interactive site