Curated OER
The Golden Rectangle
Middle schoolers explore the concept of the golden ratio. For this golden ratio lesson, students measure objects to determine if their measurements fit the golden ratio. Middle schoolers calculate the average measurements of the class.
Curated OER
Proportionality: Modeling the Future
Learners explore and examine how patterns, measurement, ratios and proportions are utilized in the research development and production of airplanes. They meet a pilot from the Federal Aviation Association who describes the growth of air...