Online writing instruction, including reading and vocabulary elements. You can choose from two levels of membership (one includes teacher grading, the other provides rubrics for parent use.) Or you can purchase 6-week live classes. The price is a bit high, but membership is billed monthly, so trying it out wouldn't be too much of an investment.
Saturday Grab Bag
Printable curriculum materials for preschool through second grade levels.
Thursday History/Social Studies
This website from the Government Publishing Office has resources for learning about the US govern
The name of this site says it all!
Tuesday Language Arts
This company provides programs for beginning reading and math learning.
This company publishes three books for helping elementary learners explore science.
Self-paced, online courses for learning coding.