K-2 Websites:

NOGGIN

3 - 5 Websites:

Maggie's Learning Zone

Between the Lions Learning Games

Scholastic Kids

PBS Kids

Kids Dig Reed

The Problem Site

Wonderville

Cyberchase

Fun & Learning For All Ages

The Learning Planet

Math Activities:

Math Magician

A Plus Math

AAA Math

Math Cats

Multiflyer

Multiplication.com Games

Multiplication Practice

Cool Math 4 Kids

Count On

Math Slice

Reading & Lang. Arts Activities:

Books Read Online

Word Central

Building Language for Literacy

Lang. Arts Practice ( All Areas )

Vocabulary Practice

Children's Storybooks Online

Punctuation Campground

Reading, Writing, Spelling, & Grammar

Spelling City

Social Studies Activities:

Seven Wonders

Growth of a Nation

Kids in the House

Place the States

Georgia's Governor

First Gov. for Kids

50 States

Test Your Map Skills

U.S. Geography

Geography for Kids

The United States Mint

Science Activities:

American Museum of Natural History

Ed Heads

Geology for Kids

Volcano World

Soil Safari

Nature

Cool Science for Curious Kids

Kid's Corner

Astronomy for Kids

Sciman Says

Everything Space

NASA Kids Club