Instructional Video3:24
Curated Video

Classifying Polygons Based on Parallel Lines

K - 12th
Classifying polygons based on the presence or absence of parallel lines.
Instructional Video3:34
Curated Video

Classifying Polygons Based on Perpendicular Lines

K - 12th
Classifying polygons based on the presence or absence of perpendicular lines.
Instructional Video2:58
Curated Video

Classifying Polygons Based On Parallel & Perpendicular Lines

K - 12th
Classifying polygons based on the presence or absence of parallel and perpendicular lines.
Instructional Video3:36
Curated Video

Classifying Triangles Based On Angle Properties

K - 12th
Classifying triangles based on angle properties.
Instructional Video1:53
Curated OER

Types of Polygons - Geometry Help

7th - 12th
If it has three sides it's a triangle! Learn about the different types of polygons and how they are classified by the number of sides they have. This clip clearly defines each type of polygon, but fails to show examples.
Instructional Video
Loyola University Chicago

Math Flix: Polygons

3rd - 8th Standards
This video [4:39] provides an opportunity to learn about the characteristics of polygons. As you watch and listen to the teacher and student interact it helps clarify the thinking behind applying this concept.