This is a fabulous website dedicated to all facets of blended learning - it's secondary focused, but relevant to K-4 as well
EdTechTeacher put together this resource page to help guide educators as they navigate total remote learning
Here's a great article about designing self-paced instruction for students
Click HERE for STEM Resources
As you can image, remote learning is a major topic. There are many websites and resources to help teachers create and execute meaningful lessons for students working remotely.
Links:
Free Tech for Teachers