Class members learn how to estimate the total costs involved to design and build a bridge by including design, material, equipment, and labor costs. The activity includes a discussion about the trade-off between cost and aesthetics.

How much rain can that cloud make? Through a simulation, the class estimates the amount of candy rain contained in different cup clouds. After probing the clouds using different methods, class members adjust their estimates. Participants...

Students practice estimating distances by analyzing a map. In this length measurement lesson, students view a map with a distance key and use their measurement skills to estimate the distance between two cities. Students utilize an...