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In mathematics, different functions has different rules and I can see a lot of students are struggling with the rules for integers. So I'll kindly discuss the rules for each operation: + - * /   Addition   (-) + (-) = (-) Ex: -9+-8=-17   (+) + (+) = (+) Ex: 4+6=10   (+) + (-)  [Remember to always take the bigger number sign and use the opposing operation, which is subtraction to solve the equation.] Ex: 5+-3=2   (-) + (+)  Ex: -9+8=-1 [Same rule follow as above]   Subtraction   (-) - (-)  Ex: -9-(-8) = -9+8 [When two negatives are next to each other you change to its opposing operation: addition and change the 8 into a positive integer.]   (+) - (+) = (+) [Unless the first integer is smaller than the second. Ex: 5-8= 5+-8 [Then you follow the rule... read more

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