This is a comprehensive resource for finding apps to use in the classroom. Apps are searchable by device or by learning activity. App prices are listed, as well as rated by usefulness and ease of use. (It is not clear who is doing the rating.)
This page of the BetterLesson website provides teachers with resources that will strengthen their blended learning practices. Topics include establishing procedures, personalizing learning, and creating assessments.
This collection of Creative Commons Noncommercial Share Alike videos by MIT students may be used to augment many different K-12 science lessons. Playlists include the "Science Out Loud" series and "#AskMIT."