This Common Core activity can be used as a webquest with iPads/laptops/computers OR the charts from the website can be printed if teachers don't have access. Students are to follow the directions given, locate a chart on the website that compares heights of trees and later on, one that compares the largest lakes in the United States. Students will have to use the data to round numbers (the highest the rounding goes is to the ten thousands), compare numbers, order from least to greatest and gre