K-12 Learning Links

http://www.internet4classrooms.com/k12links.htm - Internet4Classrooms has a great clearinghouse of links for K-12 education. I like the mouse skills games in the Pre-K section! ;-)
http://www.mouseprogram.com/ - Here's a site dedicated strictly to mousing skills. There's even a link to a cheesy <ha!> windows program - Larry's Master the Mouse.
http://www.thinkfinity.org - Verizon has their own learning portal that is pretty good too. Check out their comic strip creator.
http://www.kidinfo.com/young_children/young_children.html
http://www.suelebeau.com/primary.htm
http://www.gamequarium.com/learntousemouse.html - Online activities to practice mouse skills.
http://www.teachersfirst.com/index.cfm - How do you integrate "Web 2.0" into your classroom? Start with these ideas.
http://www.timetoast.com - Create online, interactive time lines.
http://www.kn.pacbell.com/wired/fil/ - AT&T's Knowledge Network site "Filamentality", is a fill-in-the-blank tool that guides you through picking a topic, searching the Internet, gathering good Internet links, and turning them into online learning activities.
http://www.multiplication.com/interactive_games.htm - Lots of interactive math games.
http://tweentribune.com/join - "TweenTribune is an online newspaper that is written exclusively for "tweens", 8-14 years old. The goal is to get kids hooked on reading and seeking out news on a daily basis. To promote this behavior, TweenTribune updates daily with stories that are kid-friendly from reliable sources (such as AP and CNN). Two other appealing features are the ability to comment on articles and post your own stories.
http://www.thatquiz.org/ - nice site with lots of pre-made quizzes on various topics.

Pre-Algebra Sites:
http://www.math.com/homeworkhelp/Algebra.html
http://www.coolmath.com/algebra/08-lines/index.html
http://www.purplemath.com/modules/index.htm
http://www.purplemath.com/modules/strtlneq.htm
http://www.mathvids.com/subtopic/show/124-graphing-lines
http://www.glencoe.com/sec/math/prealg/prealg05/extra_examples/index.php4/

More Free Interactive Websites

Got a projector or smartboard in your room, but need some ideas on how to use it? Check out the sites below for some hints.

http://www.literactive.com/Home/roadtoreading.asp - Primary level, beginning reader site.
http://www.teacherled.com/ - Nice collection of flash tools that would work great with your smartboard!
http://www.learnanytime.co.uk/index.htm - Directory of free website resources, broken down by subject.
http://mywebspiration.com/ - Like the idea mapping program Inpiration? Try this web version - Currently free as a public beta.
http://www.topmarks.co.uk/Interactive.aspx - Free online activities to use with your interactive whiteboard.
http://www.scriblink.com/ - Teachers with projectors can use this to have a virtual whiteboard that they operate from their computer.  Class notes, etc. can be saved and emailed to students.

Google Earth for Educators

Need more ideas on how you can use Google Earth in the Classroom? Track migration routes, monitor global warming and more: http://www.google.com/educators/p_earth.html .