Mathematics: Adjacent, Complementary, Supplementary, and Vertical Angles

In this lesson plan, the teacher will teach and help students understand the concept of angles. Teachers will describe the different types of angles, the relationships they create, and how to recognize and measure them.

Great potential for collaboration, other ideas can be generated from mathematics faculty

30-45 minutes

1-2, depending on knowledge of students

·         Student and Teacher Textbooks

·         Geometer’s Sketch Pad software

·         Rulers, Protractors, Pencils, and Blank Paper

·         Worksheets:  Angles Worksheet.doc

·         Attachments:  Adjacent Angles.gsp, Complementary Angles.gsp, Supplementary Angles.gsp, and Vertical Angles.gsp

 

Display and work with the GSP documents to help students understand angles.  Use the worksheet in groups of 2 or 3 so that students can collaborate with peers about the subject material.