Integer Operations

When ADDing two integers with the SAME SIGN...

• Add and keep the same sign.

• Add and change the sign.

• Subtract and keep the same sign.

• Subtract and change the sign.

 $3+4=$  

• 7

• -7

• 1

• -1

 $3+(-6)=$  

• -3

• 3

• -18

• 18

 $3-9=$  

• 12

• 6

• -6

• 3

Subtracting a negative is the same thing as...

• Becoming more negative

• Adding a positive

• Becoming 0

• Impossibility

 $-6+(-8)=$  

• -14

• 14

• -48

• 48

 $-8\div4=$  

• 1

• 2

• -2

• -4

 $-4-(-4)=$  

• 8

• -4

• 0

• -8

 $-5-7=$  

• 12

• -12

• -2

• 2

 $-14+5=$  

• 19

• -9

• 11

• 9