THis is what I want:
Students to do lessons, and if they get a page wrong they redo it. I would like them to be able to redo the question and still get a grade for it. At the moment they can redo the question and not get point credit, so therefore they are unable to get 100% for the lesson. They can redo the lesson from the beginning and get 100% but just not one specific question - so they need to redo all the questions.
They need to get 100% as it leads to them getting a certificate. This is my current settings: