Teachers from the Primary schools within West Lakes Multi Academy Trust have produced some you tube videos demonstrating different methods that are used in Maths to work out calculations. Please have a look at them as they will help you with your Maths work.
Introduction to Concrete Pictorial and Abstract - https://youtu.be/6Wujs8lk48I
CPA Approach to Subtraction - https://youtu.be/FZD5CL26ZxE
CPA Approach to Addition - https://youtu.be/6RHXXkEU8Nc
CPA Approach to Division - https://youtu.be/UB0wvDO7kGE
CPA Approach to Multiplication - https://youtu.be/3bPJfPo4AI8