If you need to leave a tip at a restaurant, you can quickly estimate the amount in your head! This tutorial shows you how to use estimation and mental math to estimate a tip!

Keywords:

problem

tip

estimate

calculate

price

Background Tutorials

Find a percent of a quantity as a rate per 100 (e.g., 30% of a quantity means 30/100 times the quantity); solve problems involving finding the whole, given a part and the percent.

Sales tax, tips at restaurants, grades on tests... no matter what you do, you can't run away from percents. So watch this tutorial and see once and for all what percents are all about!

Further Exploration

Use proportional relationships to solve multistep ratio and percent problems.