This site comes from a math educator and homeschool mom. She has quite a few articles to help parents teach math at home. There are ideas for activities, suggestion for choosing curriculum, and a free email course for parents. She's also written a few books for Well Trained Mind press.
Online, interactive program for learning music reading and theory.
This non-profit organization offers over 100 free self-paced, online, college level courses.
This online math program is designed to help students with math problems (including dyscalculia.)
This hands-on grammar curriculum includes CD ROMs, teacher manuals, and games for learning gramma
Online, super-hero themed science games for elementary and middle school levels.
This program includes videos, worksheets and quizzes for history learning in jr.