OpenEd contains the largest catalog of educational videos all aligned to Common Core standards. Click By Standard. Then choose a standard group (e.g. Common Core Math, Common Core Language Arts) followed by a strand. Then pick a standard and you will see resources for it. You can optionally filter by selected grades (K to 12). If you want to search for resources by keyword or directory topic, click Directory and choose a specific topic.
Learn more at www.opened.io