Math adding and subtracting integers

Song"Same Sign, add and keep,different sign, subtract.Take the sign of the higher number,then it’ll be exact!"

Adding RuleWhen the signs are the same,ADD and keep the sign.

Subtracting Rule When the signs are different,SUBTRACT and use the sign of the larger number.

Chart+ plus a + = ++ plus a - = -- plus a + = -- plus a - = +