-
http://www.ABCya.com - A ton of educational games and activities for grades K-5. 
http://www.funbrain.com - So much fun stuff that the kids might not even realize you are sneaking some learning in.
http://www.highlightskids.com - I can remember, way back in the day when I was a child, reading the Highlights magazines in the waiting room at the pediatrician’s office. Now my kids have access to the same kind of great content online. 
http://www.kids.nationalgeographic.com/kids/ - The kind of excellent offering you would expect from National Geographic. Videos, games, articles and more all designed to enrich your child's mind. 
http://www.nga.gov/content/ngaweb/education/kids.html- Help introduce your children to art and art history. There are also interactive art projects you can make online.
http://www.pbskids.org - Almost limitless activities from all of your kids’ favorite PBS shows. It’s not just Sesame Street around here. Something for everybody.
http://www.randomhousekids.com - Lots of fabulous games and activities based on your favorite Random House books. The games and activities are free, and you can purchase books on their site also.
http://www.seussville.com - Another website with great games and activites based on books your kids probably already know. You can also purchase books on the site.
http://www.starfall.com - A reading website that takes your kids all the way from ABCs up to reading on their own.
http://www.wonderopolis.org - This website has allowed us to answer questions we didn’t even know we had. “Can one bad apple spoil the whole bunch?” or “Why don’t spiders get caught in their own webs?” This website is lots of fun for curious minds.
http://www.scholastic.com/magicschoolbus/ - Games and activities based on the classic series of Magic School Bus books. There is a great parent/teacher section that can help you develop some more structured activities to keep your kiddo in the learning frame of mind.
http://www.cookie.com - It has hundreds of educational games, for literacy, math and science. It also has learning videos on subjects like the plant life cycle, frog life cycle, the 5 senses, and more with review games you can play afterward. It has lesson plans, tons of free printable worksheets, arts and crafts coloring pages, and a cute blog. What a great resource! 
http://www.sheppardsoftware.com - This site has lots of learning games for kids of ALL ages. It's very tutorial centered which is good for learning a new concept. I also love the Kids Corner which you can explore lots of science centered ideas, such as the Four Seasons (as shown in the picture). You can paint using movable parts like rain clouds which are actually raining! Fun fun fun site!
http://www.coolmath-games.com - Another popular website with our students during indoor recess time.
