Triangles
Description – Lesson on triangles, triangle names, and triangle properties. Discusses naming of triangles and their relationship to the triangle's properties. Sum of angles equals 180 degrees is demonstrated interactively.
Activities – Multimedia Tutorial
Objectives
- Learn the simplest polygon, the triangle
- Learn triangle components
- Learn to label triangle parts and sides
- Learn to describe a triangle with mathematical notation
- Learn to characterize triangles by their shape and proportions
- Learn to identify equilateral triangles
- Learn to identify isosceles triangles
- Learn to identify scalene triangles
- Learn to identify and name triangles based upon its angles
- Learn to identify acute triangles
- Learn to identify obtuse triangles
- Learn to identify right triangles
- Learn the area of a triangle
- Learn the sum of a triangle's side is 180 degrees
Tags
triangles, polygons, perimeter, area, Pythagorean Theorem, Pi, circles, circumference
Teacher Resources
Power Basics
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