Curated OER
"Is a Blue Whale the Biggest Thing There Is?" by Robert Wells
Middle schoolers discuss how big is big. They compare the area and perimeter of an acre and a football field.
Curated OER
Measures
Estimate and explore the length and weight of classroom items using standard measurement and scales. Students will work in groups to determine appropriate measuring tools, weigh or measure items, and record their results on a data chart....