Short Guide to Creating Text-Dependent Questions. Common Core. Math Common Core Resource Site. Third Grade | Oregon City School District. Gheens Academy for Cultural Excellence and Instructional Leadership - Curriculum Maps. Gheens Academy for Cultural Excellence and Instructional Leadership - Curriculum Maps. SBAC Portal. Teaching Channel: Videos, Lesson Plans and Other Resources for Teachers. Common Core State Standards: Elementary School. Top 10 by 20: Missouri Proud. Common Core State Standards: A New Foundation for Student Success.