This company provides instructional materials and educator training for Language Arts at all levels. The curriculum materials are pdf's with lessons, printable hands-on activities and games. All the resources are very affordable. The online teacher training could be very useful if you have a child struggling with reading or writing.
Tuesday Language Arts
This company provides books and activities for developing vocabulary.
This is a small mom-owned company that provides science resources.
Thursday History/Social Studies
This British site has resources for history learning at jr. high and high school levels.
Learn computer science through game design with this online visual programming platform.
Saturday Grab Bag
Printable curriculum materials for preschool through second grade levels.
This site gives instant, step by step solutions to math problems.