Did you know 99% of times interesting facts and figures are always represented in percentages, like 44% of kids in the US watch television before they go to sleep, Japan has approximately 200 volcanoes and is home to 10% of the active volcanoes in the world and approximately 40% of the U.S. paper currency in circulation was counterfeit by the end of the Civil War. So, understand the 1-out-of-100 favorite math concept, called percentage, and solve this free 7th grade math PDF for more practice.