MATH 004
Sample Syllabus
Sample Lesson
Introduction
Lesson 2 Commentary
Theorms
Algebraic Expressions
Algebraic Expressions Continued
Order of Operations
Order of Operations Continued
Examples of Problems with Order of Operations
Practice Problems
Lesson 2 Assignment

Lesson 2 Commentary

The real numbers are an example of a mathematical structure known as a field.
Because of this, the real numbers have the following properties governing addition and multiplication:

images of real numbers

example 1