Google Classroom is a great tool it is useful for sharing work (assignments) to the whole class. It keeps work stored centrally and you can check in easily to see how work is progressing. Tools like Google Docs and Slides, Canva and more can be incoporated into your assignments making work flow more manageable.
If you want to make your videos interactive you can add questions to them at key points. There are also some videos with questions already attached. You need to look for the gold star. The star means that the video comes with questions already built in.