Fifth graders are well aware of the fact that too much sugar is bad for the body. After all, they’ve been told so from the time they were kids. However, it turns out they may be eating far more sugar than they realize. This interesting proportions activity investigates how much sugar is present in common junk food items. The values are made meaningful to the kids by describing them in terms of sugar packets. Kids also get graphing practice at the end of the activity.