This is a phonics learning app that encourages discovery-based learning. Children play with sounds and letters to create words and sentences. The monthly subscription price is a bit high, but it looks like the sort of resource that could help students progress very quickly in reading skills.
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.