K-12 Online School - Karval, Colorado Online School K-12

The Guide's Search Engine will help you find information on grammatical issues, tips on composition, and advice on English usage.

http://grammar.ccc.commnet.edu/grammar/

Live Online Tutors 24/7

When your son or daughter has a question on a particular math problem and the teacher is unavailable, 24/7 math help, from highly qualified math tutors, is available at no cost for Karval Online students.  Expert math tutors lead your child step-by-step and patiently answer all their questions.  Call the online office to have your child added to this useful homework helper.

http://www.instantmathhelp.com

The Khan Academy is a not-for-profit educational organization created and sustained by Salman Khan. With the stated mission "of providing a high quality education to anyone, anywhere", the Academy supplies a free online collection of more than 1,400 videos on mathematics, science, and economics. The Guide's Search Engine will help you find information on grammatical issues, tips on composition, and advice on English usage.

http://www.khanacademy.org/

Wikipedia is a free content encyclopedia written collaboratively by people from all around the world. The site is a wiki, which means that anyone can edit articles, simply by clicking on the edit this page link. It runs on MediaWiki software.

http://en.wikipedia.org/wiki/Main_Page

World Atlas.com is a site with maps, rivers, longitute, latitude, capital cities and more.  This site can be helpful for any geography homework you might have.

http://worldatlas.com/webimage/countrys/usanewd.htm

yourDictionary.com is a language products and services company that maintains the most comprehensive and authoritative language portal on the web with more than 2500 dictionaries and grammars in over 300 languages, games that build language skills, and a forum (The Agora) for discussing language issues with the logophile community. More than 1,000,000 people a month visit our website.

http://www.yourdictionary.com/