Scholastic Learn At Home allows open access to daily learning journeys divided into four grade spans—Pre-K–K, Grades 1–2, Grades 3–5, and Grades 6–9+, covering ELA, STEM, Science, Social Studies, and Social-Emotional Learning.
Also check the following Scholastic sites:
Great Minds has made free recorded learning resources available, including daily instructional videos for math (grades K-12), English language arts (grades k-8) and science (grades 3-5). The organization has said it would update its newly recorded lessons daily.
Achieve3000 is offering free access to resources for differentiated literacy instruction. Educators can access three different programs. Achieve3000 Literacy at Home offers access to non-fiction articles at three reading levels with topics covering science, social studies and current events.
The American Museum of Natural History is sharing a bunch of online content for teachers and families to use during virus days. That includes the "OLogy" science website with lessons on subjects from anthropology to zoology; online science curriculum collections; virtual visits to the museum through its YouTube channel; and massive open, online museum courses delivered through Coursera. https://www.amnh.org/explore