Grade 7 chapter 1 book of intergers : You can use number lines & integer chips. < - means red chip which has the symbol of a positive integer & > - means blue chip which has the symbol of a negative integer. For a zero pair looks like <> When subtracting something that isn't there use a zero pair. (+4)+(-4) =0 : thats how to equal a zero pair. Know becasue we are in grade 8 know more BRACKETS ! So it would look like 4 -4.
Here are some questions to help you out .......
* important to try to do
For those questions use a numberline to complete .... Good Luck !