http://www.kids.gov/

http://prongo.com/games/ages9-12.html
Puzzles and math games for students aged 9-12.

http://www.nasa.gov/audience/forkids/kidsclub/flash/index.html

http://www.sheppardsoftware.com/USA_Geography/USA_Caps_1_1024.html
You have a map of the U.S. and you have to click on the correct state given its…

http://www.sheppardsoftware.com/grammar/grammar_tutorial.htm
Learn Grammar and the Parts of Speech with this tutorial.

https://www.hp.com/us-en/shop/tech-takes/mouse-and-keyboarding-games

http://kids.albrightknox.org/loader.html
This link takes you to a whole room full of games from Albright Knox Art Gallery

http://www.123teachme.com/learn_spanish/spanish_for_children

http://www.dnr.state.wi.us/org/caer/ce/eek/job/index.htm