After school training: Moving students on by marking their work appropriately

We have weekly Monday night sessions for trainee teacher's and NQT's. This particular session was incredibly informative. One of The Academy's director's who is an AST took it and gave some brilliant advice as to the variety of marking techniques we should be using to help push forward our student's. One of  the key things of note was how he said you just don't have enough time to mark everything in the child's book every week along with your planning, assessing, pastoral responsibilities etc. So we discussed as a class a plethora of ways of how to assess students. Agreed the best form of marking/feedback is that which is instantaneous. Im sure this is something most people do almost automatically but don't recognise the power and importance of it.

In my lesson the next day I attempted as discussed the previous night. I asked an array of questions and provided some verbal feedback to the student suggesting ways to improve upon their answer. I then set them some work and tried to move around the class verbally assessing the students and marking certain parts of their book at the same time. I managed to do two students in 5 minutes.

As a result of this I asked to watch the same teacher (who took the session the day before) in a Year 12 Chemistry lesson on that day.... He made it look so easy. He set a starter activity on the board with varying degrees of difficulty. He then sweeped the room checking their answers and ticking their books. At that point he assessed at what level they were now capable of and provided more questions/activities on the board. Throughout a 50 minute lesson, every single student had provided a verbal answer and he had checked through their work 3 times and set extensions immediately to cater for everyone. Impressive stuff!!

Now I just have to try and replicate this some how! I do think it will be difficult to perform for a Geography lesson on a consistent basis but I will try to do some form of AFL where I can give instantaneous feedback for the whole class in a matter of minutes.    Suggestions welcome?!