Integers Adding and Subtracting

-2 + 4 

• -2

• 2

• 0

• -4

-14 + (-3)

• -17

• 11

• -11

• 17

-10 + 10

• 20

• 0

• -20

• 1,000,000

5 - 2

• 7

• 3

• -3

• -7

12 - (-3) = 

• 9

• -9

• 15

• -15

What are the rules for subtracting integers?

• Change to multiplication and use the opposite of the second number.

• Change subtraction sign to addition and use the opposite of the second number.

• Find the opposite of both numbers and then add. 

• Subtract like normal and keep the larger sign. 

-7 - (-2) = ?

• 9

• -9

• -5

• 5

-9 - 5

• -14

• 4

• -4

• 45

-8 - (-6)

• 2

• 14

• -2

• -14

Express an integer: a withdrawal of $100

• 100

• -100