Post date: Dec 21, 2016 3:21:47 PM
https://www.ixl.com/math/comparing
"Here is a list of all of the skills that cover comparing! These skills are organized by grade, and you can move your mouse over any skill name to view a sample question. To start practicing, just click on any link. IXL will track your score, and the questions will automatically increase in difficulty as you improve!"