K12 Reader
Solar Eclipse
A passage about solar eclipses provides readers with an opportunity to demonstrate their ability to identify the main idea and supporting ideas in an article.
Curated OER
Similarity
Students engage in a lesson that is concerned with the concept of similarity. This takes higher order thinking skills and being able to separate into categories. Specifically in this lesson they are introduced to the scale and how it is...
Curated OER
What Goes Around
Fourth graders investigate the relationships between the area and perimeters of squares and rectangles. They calculate the perimeter of rectangles and squares using a formula. Students investigate the relationship between the perimeter...