If you're finding the percent of a number and that percent is a power of 10, there's a trick to quickly find the answer! This tutorial explains how to calculate percents that are powers of 10.
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!
If you're trying to find the percent of a number, it may be helpful to use compatible numbers to find an estimated answer. Follow along with this tutorial to see how to use compatible numbers to estimate the percent of a number!