Operations With Negative Integers

Negative + Negative = ??

• Positive

• Negative

• It Depends

When you add opposites, what do you get?

• 0

• A negative number

• Attraction

• You cannot add opposites

When adding integer with different signs...

• use the greatest absolute value to find the sum

• add the numbers and the term with the greatest absolute value will determine the sign for the sum

• multiplying the same signs will give you a positive product

• subtract the numbers and the term with the greatest absolute value will determine the sign for the sum

-7 - 2

• -9

• 9

• 5

• -5

-9 + (-5)

• -14

• 14

• -4

56 ÷ (-7)

• -8

• -9

• 8

• 7

(-8) - 5 =

• 13

• -13

• 3

• -3

When multiplying or dividing a NEGATIVE and NEGATIVE number your result will be...

• POSITIVE

• NEGATIVE

• DEPENDS ON WHICH NUMBER IS LARGER.

-18 ÷ -2

• 9

• -9

• -20

3 + -7

• 10

• 4

• -10

• -4