Add
Same sign
Add and take
the sign
(-3)+(-4)=-7
3+7=10
Different sign
Subtract and take the
sign of the largest
absolute value
Subtract
Change to add the opposite
(-3) (+4)=(-3)+(-4)
(-5) (-9)=(-5) + (+9)
(-5)+9=4
Multiply/Divide
(-13)=8=-5
Same sign
Positive answer
Different sign
Negative answe
How do you do this?