Quadrilateral Lesson

5th grade class; 29 students; 5 native English speakers; 9 English learners (all intermediate level or higher), and 15 Reclassified Fluent-English-Proficient (FEP) students; dual-immersion (Spanish-English) elementary school in an urban/suburban community in Northern California. This lesson took place in February, about six months into the school year, and one week after the math lesson on polygons.

Mr. Rubio taught two sections of 5th grade math. two sections of 5th grade social studies, a two sections of Spanish language arts each day.

Math Learning Goals:
1. Students will be able to describe and classify the properties of, and relationship between plane and solid geometric figures.
2. Students will able to use the knowledge that the sum of angles of any triangle is 180 and the sum of angles of any quadrilateral is 360 to solve problems.

Language Learning Goals:
1. Students will be able to communicate effectively with classmates and the teacher about the properties of plane and solid geometric figures.
2. Students will be able to use academic vocabulary to explain their reasoning during the math activities.
3. Students will be able to use concepts and academic vocabulary to make classification poster of polygons.