These are methods of multiplication. To understand the concept of division and multiplication visit
Multplication and Division Explained
There is no getting away from the fact that you need to learn your times tables! The following site may be of help it is from Primary Maths made easy
If you have an iPad or an Android there are many free APPs out there to help. Type in Free Times Tables!
At the bottom of the page there are some example flipcharts to work through for the older children in school.
Below are some flipcharts that you can work through from Gareth Metcalfe. On the embedded site below click on the continue reading link and then work through the examples. They will help you understand the formal methods you’re using in class.
Click on the buttons below to be brought to that page.