Ratio Proportions

Shrinking Your Class, Mathematics Teaching in the Middle School, March 2010, pages 386-391. This activity has students measure actual lengths such as their height and create a model of themselves, the class, desk, a park, etc. Students will calculate several proportions to complete this activity.

Map Scale, Proportions and Google Earth, Mathematics Teaching in the Middle School, April 2010 pages 448-457. This technology activity has students use Google Earth to examine the size and shape of know objects such as football fields to the map scale.