Intergers

Adding, Subtracting, Multiplying, and Dividing Brian, Karla

Adding and Subtracting

Adding and Subtracting:


Like signs add and stay with the sign

-4-3=-7


360+420= 780

-25-92=-117

Add and Subtract:

Unlike signs subtract stay with the sign of the higher integer

-3+4=1

-9+1=-8

39+(-29)= 10

Multiplying and Diving

Multiplying and Dividing:

Like signs stay positive

-4 x-3=12

-5/-25=5

4 x 7= 28

Multiplying and Dividing:

Unlike signs x or / and the answer is negative

-3 x 4= -12

-56/8= -7

6 x -4= -24