Quadrilateral Lesson

Teacher: Osvaldo Rubio
Subject and grade level: Math, 5th grade
Location: San Jose, CA
Brief Description: Math lesson on the properties of quadrilaterals
Classroom context:

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.

Lesson objectives

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.

Part 1 Road Signs


 

Part 2 Polygon posters


 

Part 3 Find the missing angle

Missing angle problems discussed in the video (PDF) | California Math CST Released Items - Grade 5 (PDF)