# Numerical Expression Evaluation with Basic Operations

## Evaluate expressions for any basic operation.

Estimated24 minsto complete
%
Progress
Practice Numerical Expression Evaluation with Basic Operations

MEMORY METER
This indicates how strong in your memory this concept is
Progress
Estimated24 minsto complete
%
Spin Cycle

Credit: jim212jim
Source: http://www.flickr.com/photos/65484630@N00/146210872

Your parents have had enough. They want you to start doing your own laundry. So, you'll just throw a bunch of your dirty clothes in the washer, dump in some soap, and hit the "start" button, right? You could do laundry that way-if you wanted to ruin your clothes. In laundry, like in math, order matters.

#### The Right Way to Wash Clothes

Credit: Michael Gabler
Source: http://commons.wikimedia.org/wiki/File:Hallig_Hooge,_Germany,_view_from_the_Backenswarft.jpg

When the washer is finished, dry the clothes. Some clothes may need to hang dry. Select the proper dryer temperature, or your favorite T-shirt may shrink. If you've followed the correct order of operations, you should end up with a load of clean and dry clothes, all without your parents' help.

#### Explore More

Can you think of any other everyday tasks in which order of operations matters? Explain why the proper order of operations is crucial for completing that task.

### Notes/Highlights Having trouble? Report an issue.

Color Highlighted Text Notes