Rules of Integers

HINT: Make sure you follow Order of Operations!

• 28

• 2

• -10

• 0

In Addition if the signs the are the same we....

• Add

• Subtract

• Keep Common Sign

• Take sign of number with greater absolute value

In addition if the signs are different

• add

• subtract

• the sum is always positive

• the sum is always negative

• take sign of number with greater absolute value

In addition if the first number is negative

• Always add

• Always subtract

• Add if both negative

• Subtract if the other number is positive

• Take sign of number with greater absolute value

In multiplication if both numbers are negative

• always positive

• always negative

In multiplication the answer is positive if there is

• one negative sign

• two negative signs

• three negative signs

• four negative signs

• zero negative signs

In multiplication the answer is negative if

• one negative sign

• two negative signs

• three negative signs

• four negative signs

• zero negative signs

The integers rules are the same for which 2 operations

• addition

• subtraction

• multiplication

• division

In multiplication and division the sign is always determine by

• the largest number

• the most negative or positive numbers

• If an odd or even amount of positive numbers

• If an odd or even number of negative numbers

In addition if the 1st number is positive and 2nd negative

• The answer is always positive

• The answer is always negative

• add

• subtract

• take sign of number with greater absolute value