You’ve been using decimals all of your life. When you pay $0.75 at a vending machine, 0.75 is a decimal. When you see the ratings of gymnastics judges at the Olympics (“9.5, 9.4, 7.5 (booooo)”), those are decimals. This tutorial will help you understand this powerful tool all the better. Before you know it, you’ll be representing numbers that are in-between whole numbers all the time!