Integer operations
By: Andres Assad, and Anagraciela Ramirez
What is an Integer
An integer is a whole number that can be positive, negative.
Adding integers
Two like signs become a positive sign
Two unlike signs become a negative sign
-3+(-2)= -5
-8+(-2)= -10
-4+(-3)= -7
Subtracting Integers
1. Two negative become a positive sign
2. one positive sign and one negative sign become a negative sign
3. An always put the sign of the highest integer
5+(-2)= 3
4+(-4)= 0
6+(-2)= 4
Multiplying Integers
1.The product of a positive integer and a negative integer is a negative integer.
2. The product of two negative integers or two positive integers is a positive integer.
3x(-3)= -9
-5x(-5)= 25
-6x(2)= -12
Dividing Integers
1.The product of a positive integer and a negative integer is a negative integer.
2. The product of two negative integers or two positive integers is a positive integer.
-6/2=-3
-8/-2=4
18/-6=-3