Math 152A

In-class Handout

Section 1.4-1.5

List the rules for the following operations:

Addition

Rule

Both numbers have the same sign

Both numbers have different signs

Subtraction: a – b = a + (-b) ; then use addition rules

Multiplication	Rule
To multiply two numbers
Both numbers have the same sign
Both numbers have different signs

Division	Rule
To divide two numbers . . .
Both numbers have the same sign
Both numbers have different signs

Simply the following expressions:

List the Order of Operations