Rule 20: Order of Operations
Multiplication and division must be completed before
addition and subtraction.
Example: Calculate .
Answer: The answer is 62.

Solution:
 Since multiplication comes before addition, the
problem can be simplified to
which in turn can be simplified to 62.
If you would like to review more examples, click on the word Example.
Work the following problems and click on Answer to check your results.
 Problem 1:
Calculate .
Answer
 Problem 2:
Calculate .
Answer
 Problem 3:
Calculate .
Answer
[Identification]
[Factoring Integers]
[Reducing Fractions]
[Multiplication]
[Division]
[Building Fractions]
[Addition]
[Subtraction]
[Order of Operation]
S.O.S MATHematics home page
Do you need more help? Please post your question on our
S.O.S. Mathematics CyberBoard.
Author: Nancy
Marcus
Copyright © 19992017 MathMedics, LLC. All rights reserved.
Contact us
Math Medics, LLC.  P.O. Box 12395  El Paso TX 79913  USA
users online during the last hour