Make sure you watch the Teaching video and the Teaching PPT, completing the tasks on the ppt as you go through it.
Remember for mastery we use: concrete (hands on resources), pictoral (pictures) and then abstract (numbers only).
In class I have explained to you before that this is a new approach and can sometimes confuse. If you are able to get to the correct answers then you understand the 'maths', so don't worry if you use a different method.