Authentic Lessons for 21st Century Learning
Students will determine the relationships between different pairs of angles formed when parallel lines are cut by a transversal. Read more »
Created by: K20 Center
Date Updated: May 27th, 2022
Angle Pair Relationships: Parallel Lines Cut by a Transversal
Students will determine basic properties of quadrilaterals through activities and games. Read more »
Created by: K20 Center
Date Updated: May 31st, 2022
Properties of Quadrilaterals
In this middle school lesson, best facilitated at the beginning of a westward expansion unit, students analyze John Gast's painting "American Progress," then read and analyze primary source documents to construct their own definition of "Manifest Destiny." To deepen their understanding, students analyze... Read more »
Created by: Sarah Brewer
Date Updated: August 12th, 2024
U.S. Territorial Expansion
Proofs can be difficult and require a certain mindset. Spatial reasoning and awareness is a skill that can be developed no matter the age of the student. In this lesson, spatial reasoning is refined using drawing techniques and prior knowledge of shapes, lines, and the coordinate plane. This lesson... Read more »
Created by: K20 Center
Date Updated: August 17th, 2023
Intro to Proofs Using Spatial Reasoning