What is Addition?
Addition is a process that we use to find the result of adding numbers together, for example: 12 plus 33 equals 45
In mathematics we usually use symbols instead of words though, for additon sums you need to know that:
the symbol for plus is + and the symbol for equals is =
so the above sum would change to be: 12+33=45
On paper it is easier to solve these sums if you write them out in a different way: