"Teachers may sometimes feel overwhelmed by the multitude of resources available online. It might take one a tremendous amount of time to sift through and locate required materials to use in class, which is a taxing task for the already overburdened teacher ..."
- Khan Academy
- ReadWriteThink
- Common Sense Media
- CK-12
- Smithsonian Learning Lab
- OER Commons
- Discovery Education
- Ted Ed
- Edshelf
- Symbaloo EDU