* Teaching Channel is a great place for teachers to go to watch videos about common core standards or lessons from other teachers. It is free and it has so many things that are beneficial to teachers. You can bookmark different videos or lesson plans so that you can go back to them whenever you want to. You have a question and answer board so that you can ask questions to other teachers or answer questions that other teachers have asked. You can choose your subject and grade level and the website will notify you of new videos that are related to your subject interests.