Integer Operations Review

6 + (-4)

• 2

• -2

• 10

• -10

-9 + (-2)

• 11

• 7

• -7

• -11

-4 + 10

• 14

• -14

• 6

• -6

To add integers with the SAME sign,

• subtract and make it negative.

• add the integers and keep the sign.

• add the numbers and it’s always positive.

• subtract the numbers and it’s always zero.

To add integers with different signs,

• subtract the integers and keep the sign of the one with the greatest absolute value.

• subtract and then it will be positive.

• add the numbers and forget about the signs.

• subtract until you get zero.

-8 - 5

• 3

• -3

• -13

• 13

5 - (-5)

• 0

• -10

• -0

• 10

-7 - (-7)

• 0

• 14

• -14

• 7

To subtract integers you

• add the negative of the positive.

• subtract the opposite.

• just add them like they are.

• add the opposite of the second integer.

Multiplying integers with the SAME sign;

• The answer is always positive.

• The answer is always negative.

• The answer is seldom positive.

• The answer is sometimes negative.