Lesson Plan : Number of Line Segments and Vertices

 Teacher Name: Gilda Hite Grade: Grade 3 Subject: Math

 Topic: Geometry: Number of line segments, vertices, and faces. Content: line segment, vertices, faces, cone, sphere, cube, rectangular prism, cylinder Goals: Students will recognize the cone, sphere, cube, rectangular prism, and cylinder and tell the number of vertices, faces, and edges/line segments. Objectives: Students will name/label solid geometric figures. Students will create geometric solids and label number of vertices, faces, and edges/line segments. Materials: Smartboard, wooden solids, gumdrops and toothpicks, notebooks and pencils, blank geometric shape graphic organizer, sticky notes. Introduction: Students will view the solid shapes clip. Pause the video for students to discuss and make notes and drawings of the shapes they see. Guide students to make connections from the shapes to real like objects. Next, have students walk around the room for 1 minute of discovery. Students try to find objects shaped the same as the geometric solids that were seen in the video. Development: Use the Smartboard to show the solid shapes. Discuss one shape at a time and its geometric properties. Pass around each wooden geometric solid for students to observe. Practice: Students pair off and work together to count the number of faces, edges, and vertexes for each geometric shape. Students fill in a graphic organizer in notebooks stating with this information. Accommodations: Students that need extra assistance will be helped by the teacher or a peer. Students who are more advanced will compare and contrast the geometric solids' properties. For example they can create questions comparing the number of segments of 2 or more shapes. Checking For Understanding: Teacher will observe the finished geometric solids and the graphic organizers during the partner work. Questioning will be used. Students will show the number of sides, vertexes etc on their fingers when the teacher asks. Closure: Say: Today you have learned that about 3 dimensional figures(name them). Show students the figures discussed on the smartboard and remind them of the properties. Review the objects in real life that have these shapes. Evaluation: Use the student's work to evaluate understanding. Alternately, students may write a summary sentence telling about the lesson and facts learned. Teacher Reflections: