When there are no Parentheses (or other grouping symbols), and no Exponents (powers or roots), work from left-to-right: When you come to either Multiplication or Division, do it!
When nothing remains but Addition or Subtraction, work from left-to-right:
Please copy this problem on your paper. Before you begin solving it, think about what to do first.
20 - 3 * 2 + 4 =
Order of Operations Automatic Flip-Through SLIDE SHOW
Overview of the Order of Operations
© 1992, 1999 Amby Duncan-Carr All rights reserved.