Integer Rules

Knowing your integer rules is crucial in Algebra!

You must know these rules as well as you know your addition facts!  And... I'm hoping you know those facts by heart!

So... I'm going to give you a quick overview of the rules below and then if you want more step by step instruction, click the links provided!

If you are just beginning your study of integers, start with our basic integers lesson.

Adding Integers

There are two rules for adding integers and the rule that is used depends on the sign of the numbers that you are adding.

Adding Numbers with the Same Sign

If the numbers that you are adding have the same sign, then add the numbers and keep the sign.


-5 + (-6) = -11