Classifying Triangles by their Sides and Angles

Lesson Plan

Author: Bill Gotsch
School District: Madrid Waddington Elementary School
Subject: Mathematics
Grade Range: 5
Duration/Time Required:

  • Number of days: 4
  • Length of period: 40 minutes

Standard:

  • Content - Geometry
  • Process - Problem Solving

Objective: Students will classify triangles by the size of their angles and the relative lengths of their sides. Students will also be able to identify similar and congruent triangles by using the classification system involving their sides and angles.