Apps:
Dragonbox Algebra 5+ (Android App)
Learn basic Algebra for kids 6 and above
Mod Math App
Free
Specifically for People With Dysgraphia and Dyslexia
Available on iTunes
Curriculum
A+ Interactive Math
http://www.aplustutorsoft.com/
Algebra Free
http://www.algebrafree.com
Art of Problem Solving
Not Self-Paced
http://www.artofproblemsolving.com
Consumer Math
http://homeschoolinghelp.com/homeschool-recommendations-consumer-math/
http://www.daveramsey.com/store/cteenhome.html
Cool Math
http://www.coolmath.com/precalculus-review-calculus-intro/
Coursera
Calculus 1 is Free
Lectures are never dry or boring
https://www.coursera.org/
Derek Owens
Self-paced
http://www.derekowens.com
Developmental Mathematics
http://www.christianbook.com/page/homeschool/math/developmental-mathematics
E Learning for Kids
Free
Teach Math, Science, Reading
and Computers
Ages 5 thru 12
http://www.e-learningforkids.org
Elements of Mathematics
http://www.elementsofmathematics.com
Homeschool Math
Free
http://www.homeschoolmath.net/worksheets/
Institute for Mathematics and Computer Science
Self-Paced
http://www.imacs.org
Khan Academy
Free
https://www.khanacademy.org
Life of Fred
http://lifeoffredmath.com/
Live Online Math
http://www.liveonlinemath.com
Math Essentials
http://mathessentials.net/
Math Mammoth
http://www.mathmammoth.com/
Math U See
Great for kids with ADHD
https://www.mathusee.com
MathTacular
By Sonlight
Grades Prek- 5
http://www.sonlight.com/RM50.html
Professor B Math
http://www.profb.com/Home.aspx
Purple Math
http://www.purplemath.com
Recordkeeping
http://www.milestonebooks.com/item/1-139-1/?list=Rod_and_Staff_Grade_10
Shiller Math
http://www.shillermath.com/h2/intro.php
Singapore Math
http://www.singaporemath.com/Default.asp?gclid=CjkKEQjwxN6dBRDavZLpufuu9L8BEiQA4Vx1byKHvDBzWFFykf49yS5H3P3ImPgaUJExEkXZDFneNjLw_wcB
Teaching Textbooks
Grade 3 thru 12
Math Curriculum Only
http://www.teachingtextbooks.com/?Click=9171
TJ Mathematics
http://tjmathematics.blogspot.com
TLS Books
Free
Math Curriculum
http://www.tlsbooks.com/mathworksheets.htm
Well Trained Mind
Free Math Curriculum
http://forums.welltrainedmind.com/topic/44972-free-rays-arithmetic-online/
Resources
BBC
Skillwise - Math
http://www.bbc.co.uk/skillswise/maths
Cool Math
http://www.coolmath.com
Crickweb
http://www.crickweb.co.uk/links-literacy.html
Extra Math
http://xtramath.org/
Fact Monster
http://www.factmonster.com
McGraw-Hill Virtual Manipulatives
http://www.glencoe.com/sites/common_assets/mathematics/ebook_assets/vmf/VMF-Interface.html
Math Aids
http://www.math-aids.com
Math Studio
http://mathandmusicstudio.com/Home_Page.php
Math Drills
Free
http://www.math-drills.com/
Math In English
http://www.mathinenglish.com/index.php
Math Frame
http://mathsframe.co.uk
Math Game Time
http://www.mathgametime.com
Math Nook
http://www.mathnook.com/math/skill/allgames.php
Math Slice
http://www.mathslice.com
Math Train
http://mathtrain.tv/index.php
National Library of Virtual Manipulatives
http://nlvm.usu.edu/en/nav/vlibrary.html
Sheppard Software
http://www.sheppardsoftware.com/math.htm
StudyJams
Apart of Scholastics
http://studyjams.scholastic.com/studyjams/jams/science/index.htm
Ultimate List of Printable Math Manipulative's
http://jimmiescollage.com/2011/04/ultimate-list-of-printable-math-manipulatives-games/