EngageNY
Computing Actual Lengths from a Scale Drawing
The original drawing is eight units — how big is the scale drawing? Classmates determine the scale percent between a scale drawing and an object to calculate the length of a portion of the object. They use the percent equation to find...
Curated OER
Footprints: Take a Step into Estimation
Compare sizes of student footprints with those of elephants and sauropod dinosaurs! Upper graders make estimations of the areas of irregular shapes; young scholars use grids to make and explain estimates within low and high ranges.
Edgate
Great Grids
Learners use grid boxes as a measurement tool and discover how grids are used for mapmaking and scaling down an area. They begin by attempting to draw a model shape drawn by the teacher by using the gridding process. At the conclusion of...
University of Colorado
Are All Asteroids' Surfaces the Same Age?
There are more than 600,000 asteroids in our solar system. Pupils analyze images of two asteroids in order to determine if they are the same age. They count craters for each asteroid and compare numbers.
Curated OER
Geography and Culture of China
Take out a map, a paper, a ruler, and those coveted colored pencils for a lesson on Chinese culture and geography. This is a multifaceted approach to basic geography skills that incorporate story telling, class discussion, primary source...