Rules and Definitions
negative + negative =
negative
25 + 27 =
52
38 - 15
23
400
100 / 4 =
25
The strategy for subtracting Integers
KI-S-S
Keep It Switch Switch
-37 + (-13) =
(-50)
9 - (-20)=
29
8*(-4)
(-32)
8 / (-4) =
(-2)
Multiplying and dividing integers with the same sign will result in a ______ answer
positive
(-15) + 15 =
0
32 - (-14) =
46
-12 * 5 =
(-60)
-48 / 6 =
(-8)
What is the RULE for adding with different signs
Subtract the numbers, keep the sign of the larger.
-12 + (9) =
(-3)
-20 - (-12) =
-8
5 * (-25) =
(-125)
-120 / -12 =
10
Multiplying and dividing integers with different signs will result in a ______ answer
negative
8+(-15)=
-7
-49 - 22 =
(-71)
-13 * (-4)
52
-350 / 50 =
(-7)