Maths – Calculations
Here are some step by step guides on a method you should be using for written addition and subtraction.
If you are going to add or subtract mentally then have a look at these that offer a method to follow.
Here is a step by step guide to long multiplication for TU x TU. If you are completing a TU x U then you can adjust it without much difficulty. If you’re not sure comment and another one can be made.