Homeschoolers, Parents, Students: Need Help With Math? Check Out These Great Resources:

If you are looking for some great math resources to help your middle school to high school child, or simply wishing to brush up on long-forgotten math skills, here is a list of helps I have found so far:
(All have free resources, some have the option to upgrade to a paid subscription to "unlock" all content).

http://www.homeschoolmath.net/  (has some free math help on it, and some available for purchase; I included it because it has some very helpful/reader-friendly instructional help).

http://www.visualfractions.com/index.htm

http://www.thegateway.org/search/apachesolr_search/math?filters=tid%3A141

http://www.khanacademy.org/exercisedashboard  (this site not only has excellent lessons/how-to and
step by step help for math, but so many other subjects as well!)

http://patrickjmt.com/ (tutorials)

http://illuminations.nctm.org/Lessons.aspx

http://www.mathicando.com/products (I haven't tried this one yet, appears to be free with option to upgrade for more services/apps, but read a good review on it, and this site does not support the Internet Explorer browser, only the Google Chrome and Mozilla Firefox browsers).   
http://www.mathtv.com/ (tutorials)
 
http://www.youtube.com/user/MathMammoth (youtube video channel, math help).
 
http://www.cosmeo.com/ (offers some free math help, as well as option to upgrade to full access).

http://www.webmath.com/?campaign=flyout_students_webmath (an offshoot of DiscoveryEducation).

http://www.brightstorm.com/math/ (free tutorials, but some functions are for paid subscribers only)  
http://www.aaastudy.com/alg.htm#topice (up to grade 8, good for review)

http://www.hstutorials.net/ (tutorials)
 
http://www.hippocampus.org/

http://www.regentsprep.org/regents/math/algebra/av5/multdivide.htm

http://library.thinkquest.org/20991/alg2/frace.html

http://www.purplemath.com/modules/rtnlmult2.htm

http://www.sophia.org/ (many subjects, inc math; free to join to access free content)

http://www.shmoop.com/pre-algebra/ (many other subjects as well)
 
http://www.algebra-class.com/

http://www.themathpage.com/alg/algebra.htm (grouped well into easy to reference page)
 
http://www.intmath.com/

http://algebramethods.com/  (alternative to PEMDAS method, this is the Bracket method)

http://www.mathsteacher.com.au/year9/ch02_linear/07_fractions/fractions.htm

Sites homeschooling parents might find especially useful for worksheets and reference guides:

http://teachers.teach-nology.com/index.html

http://www.theteacherscafe.com/Math/Algebra_Lessons.php

http://lovetwoteach.gotop100.com/index.php

http://www.khanacademy.org/math/algebra/introduction-to-algebra

http://www.sophia.org/ (many subjects, inc math; free to join to access free content)
 
http://www.homeschoolmath.net/worksheets/

http://www.freemathtest.com/

http://www.algebra-class.com/basic-algebra.html

http://www.algebra-class.com/algebra-tools.html

http://www.algebra-class.com/algebra-formulas.html

http://www.algebra-class.com/basic-algebra-formulas.html