Adding Integers
-5+-7=
-12
5 - -3=
8
-7 x -9 =
63
12÷-2 =
-6
Solve for x
5+x=12
x=7
-8+6=
2
-5-3=
-8
8 x -9 =
-72
14÷-7=
-2
Solve for x
6-x=2
x=4
9+-2=
7
-9-9=
0
12 x 8 =
96
-10÷-5=
2
Solve for x
7x=49
x=7
10+-4=
6
5 - -4=
9
-10 x 0 =
0
20÷1=
20
Solve for x
144 ÷ x= 12
x=12
What are the rules of Addition?
If the signs are the same add and put the given sign.
If the signs are different SUBTRACT and chose the sign of the number further away from zero on the number line.
What does ATO mean in a subtraction problem?
It is the first step in a subtraction problem. It means to change the equation. Make it Addition and change the integer after the addition sign to positive.
Add To the Opposite.
What are the rules?
pos X pos =
neg x neg =
neg X pos=
pos X neg =
pos
pos
neg
neg
What are the rules of division?
pos + pos =
neg ÷ neg =
pos ÷ neg =
neg ÷ pos =
pos
pos
neg
neg
Solve for x
(5 + X)5=35
x=2