Math help, homework help, online tutoring & curricula

I cannot be but amazed by the wealth and quality of math help services online - and many of them are totally free!  Chances are, someone else has probably already asked the same math question online so that the message board archives and question banks have the answer ready for you!

Math help/Homework help

Ask Dr. Math
Browse old math questions or ask your own. Expert answers. The archives have thousands of answered questions covering all math topics from elementary to college level.  Highly recommended!
http://mathforum.org/dr.math/

S.O.S. Mathematics CyberBoard
Active discussion board where you can ask math questions about algebra, calculus, geometry, trigonometry, probability, college math, computer science, physics, and more.
http://www.sosmath.com/CBB/

GoMath.Com
FREE on-line mathematics tutor designed to assist students from K-12, and their parents. You can either e-mail your questions, which will be replied to within 24 hours or less, OR you can post your questions on their Message Board.  They also have a Question Bank of thousands already answered math questions and solutions.
http://gomath.com/index_about.html.

Mrs. Glosser's Math Goodies Forums
for students, teachers & parents
Homework help, Teacher Talk, Parents place.
http://www.mathgoodies.com/forums/

FreeMathHelp.com
A math homework help forum.
http://www.freemathhelp.com/forum/

Jiskha Homework Help
Message boards, chat with experts, and tutorial pages on all school subjects.
http://www.jiskha.com/

Studentquestions.com - Free homework Help
Post homework questions and get answers. Tutors in every subject are standing by. Students can sign up as tutors too!
http://www.studentquestions.com/

Math Assignment.com
Send in math questions using a form.
http://www.mathassignment.com/

Math With Larry
High school math questions are answered for free.
http://www.MathWithLarry.com/

S.O.S. Mathematics
A free resource for math review material from Algebra to Differential Equations.
http://www.sosmath.com/

PurpleMath.com
An extensive library of algebra lessons.
http://www.purplemath.com/

Math.com
Lessons from basic math to calculus, including examples and interactive problems.
http://www.math.com/

HotMath.com
Step-by-step answers to the math homework problems from your actual textbook. Also video review lessons.
http://www.hotmath.com/

Multimedia Math Glossary
for third grade.  Links to glossaries of other grades are found there, too.
http://www.harcourtschool.com/glossary/math_advantage/glossary3.html

A Maths Dictionary for Kids
Nice graphics, animations for math terms.
http://www.harcourtschool.com/activity/mult/mult.html

HippoCampus
Online interactive lessons (free) covering high school algebra and calculus courses (including AP calculus).
http://www.hippocampus.org/

MathMistakes.info
Common student mistakes in algebra, trig, and calculus explained.
http://mathmistakes.info/

Quickmath
Online calculator that automatically provides solutions to algebra problems and equations.
http://www.quickmath.com/

Webmath.com
Are you stuck on a math problem? Instant-answer problem solvers, huge amount of already solved example problems, or ask an expert.
http://www.webmath.com/

Online or Computer Curricula

Most of these are commercial programs, and the price may vary according to the number of students and the subscription time period.

SmartZoid
SmartZoid is an online math program that customizes the learning of mathematics to the child's individual needs. http://www.smartzoid.com/

Conquermaths
480 full audio/visual lessons presented by a real teacher, synchronised with animated graphics and backed up by full topic tests with instant marking and complete progress reports. 16 free trial lessons.
http://www.conquermaths.com/

Mathematics.com.au
500 animated maths lessons, worksheets, topic tests and worked solutions covering the Australian High School curriculum. 16 lessons available to trial online.
http://www.mathematics.com.au/

YourTeacher
A self-teaching online math system with over 450 comprehensive lessons consisting of audio/video clips, problems to solve, full solutions, worksheet, quiz, and more. Includes pre-algebra, algebra 1 & 2 and geometry. See also my review.
http://www.yourteacher.com/

HomeworkTV.com
Mathematics video lessons for Grades 6-8 presented by a Live National Certified teacher who explains lessons in real motion. More than 90 lessons per grade followed by exercises. Available on CD also.
http://www.homeworktv.com/

MathTV.com
Math video lessons on CDs. Word problems, Prealgebra, Algebra 1-2, Trigonometry. See also my review.
http://www.mathtv.com/

Global Student Network
Provides a virtual curriculum delivered over the Internet, for grades 2-12. Has a free online demo.
http://www.globalstudentnetwork.com/homeschool/index.php

Whizz Education
Animated math lessons online for grades K-6 or KS1 and KS2; UK-based. Based on an initial assessment, the child will get a personalised programme of lessons, which is further adjusted depending on the child's progress.
http://www.whizz.com/

Noetic Learning: StayAhead!
An individualized online self-paced program with daily interactive worksheet assignments for children in grades 3-5. The company also has LeapAhead! affordable summer math program.
http://www.noetic-learning.com/

iCoachMath
Online math practice system with lessons, explanations, practice and feedback. One-on-one math help also available. A free trial.
http://www.icoachmath.com/

SmartKiddies.com
An online program developed by teachers. Includes video lessons, interactive maths activities, number challenges, worksheets, interactive assessments and exams.
http://www.smartkiddies.com/

Maths Power
Math software learning system, providing a complete curriculum. Created from the Australian syllabus.
http://www.mathspower.com.au/

I Can Learn Online
Interactive, animated courses for math fundamentals, prealgebra, and algebra. By subscribing you get access to all three courses.
http://www.icanlearnonline.com/

Absorb Mathematics for GCSE
An interactive mathematics course using animations and interactive figures to explain concepts in a straightforward visual manner. Students are able to experiment with models and questions asked about their experiments guide them into the concepts.
http://www.crocodile-clips.com/absorb/AM4/index.htm

HSTutorials.net
Free animated and narrated math tutorials - pre-algebra, algebra 1, geometry.
http://www.hstutorials.net/

HeyMath! E-Lessons Program
For grades 4-12, consists of online video lessons. A free trial.
http://www.heymath.com/main/productUS.jsp

Algebra Through Calculus Real Time Online Courses
The courses consist of real-time delivered video lessons where students can interact with the instructor. Lessons are also archived for future viewing.
http://www.globalmath.org/

NutShellMath
A streaming whiteboard as well as the voice of a licensed teacher guide the student through problems in prealgebra, algebra 1, geometry, and algebra 2 textbooks. The student listens through and responds to interactive questions. 14-day free trial.
http://www.nutshellmath.com/

Online tutoring

TutorAndMentor.com
Online math tutoring and homework help service. Live and interactive one-on-one tutoring in math for grades 1-12. A special 10% discount for HomeschoolMath.net visitors!
http://www.tutorandmentor.com/homeschool.php

Need help with math? Connect to an online math tutor at Tutor.com. Tutors are online 24/7.

eMATHelper.com Online Math Tutoring Services
One-on-one online math tutoring via a virtual classroom equipped with interactive chat and whiteboard. Introductory price for private tutoring $10 per hour. Live Homework Help is a open class discussion of homework questions - $20 per month.
http://www.emathelper.com/

ALEKS
A fully automated internet-based math tutor.  $17.95/month.  Free trial for 48 hours.
http://www.aleks.com/

TutorQuick.com
Live Online Math tutoring for student of all grades and university.
http://www.tutorquick.com/subject/mathematics.asp

Click and Climb
Live, One-on-One, online tutoring service for grades 3-12 at affordable prices. A 2-week free trial.
http://www.clickandclimb.com/

Math Tutoring
In-home private tutoring in Southern California & New York.
http://www.academicadvantage.com/math-tutoring.asp

Maxis Education
Online tutoring for high school math. Monthly fee for unlimited tutoring.
http://www.maxiseducation.com/

ZiiZoo
An online marketplace to buy tutoring. See rates per hour, rating, and online availability instantly.
http://www.ziizoo.com/ref/hmsc

Math Supporter
Email tutoring for middle school to college level. Send in math problems to get solutions.http://www.mathsupporter.com/

Math Tutoring by Email
Get tutoring by email or phone from Joe Pagano. Rates $50-75 per hour.
http://www.mathbyjoe.com/email_tutoring.html

CalcTutor
Interactive online tutoring in calculus, $17.50 an hour
http://www.calctutor.ca/

Jennifer Thompson Private Math Tutoring
Online math tutoring via email; $30 for 1 hour or $15 for 30 minutes. Or, private tutoring at her California home.
http://www.tutor4math.com/

Problem-Based Math Tutoring at Math911.biz
Send math problems to a tutor via e-mail.
http://www.math911.biz/

Math in a Box
Professional, certified math teacher Susan Johnsey offers online tutoring, online classes, and free advice.
http://www.mathinabox.com/

TutorMatch.com
Searchable directory of thousands of tutors around the world. Searching is free but the tutors won't be.
http://www.tutormatch.com/

David Roth Tutor and Homework Help
Tutoring or homework help, $15/hour, via Yahoo Messenger or MSN Messenger.
http://www.tutor-homework.com/