For some reason this is a hard thing for some students to grasp. I previously posted that Aunt Sally doesn't visit my room for order of operations, the elephants do. Here is the link to Is This a Purple Elephant?
There was also a request for a fun way to practice so I made a new Tic-Tac-Learn game that has players solving order of operation problems or come up with the expression for the shape's perimeter.
Here are links to my Teachers Pay Teachers Store
Here are links to my Teachers Notebook Shop
Just because I appreciate my blogging friends, the first two people to post a comment will get either the game or the story. In your comment, you must leave your email address and tell me which one you would like to receive. Only the first two! (They are both read only files. Sorry MAC users. Have to do that to protect templates and clip art.)