INTEGER ADDITION RULES

 

                   Adding Integers with the same sign: Add the absolute values of the numbers

                                                        Use the sign of the numbers

 

                    Adding Integers with different signs: Subtract the absolute values of the numbers

                                                      Use the sign of the number with the largest absolute value

 

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  INTEGER SUBTRACTION RULES

Subtracting an integer is the same as adding its opposite

You can rewrite the problem as an addition problem

So

When you subtract a negative integer, rewrite as adding a positive

You can use a number line to subtract Integers. When you subtract a positive number, move to the LEFT

 

 

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INTEGER MULTIPLICATION RULES

 

The product of two numbers with the same sign is positive

The product of two numbers with different signs is negative

 

 

 

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INTEGER DIVISION RULES

 

The quotient of two numbers with the same sign is positive

The quotient of two numbers with different signs is negative