Looking for a real world application of percentages, percent change, markups/markdowns, and tips? Do your students love simulation games? Your students will love this activity, where they play the role of an airline intern, and use their math skills to complete open-ended tasks around percent markups and markdowns, the percent of a number, and tips.It's print-and-go, and is perfect wrap-up for a unit, as a review before a test or a quiz, or as a self-contained sub plan.What's the math?There's 5