Discover the distance all the way around. The video introduces the concept of the perimeter of a figure. An explanation shows how to find the perimeter of a variety of polygons along with regular polygons. The presentation highlights the importance of using units when determining a perimeter.

Concepts

perimeter, perimeter of polygons, regular polygons, units of length, units of measurement

Show More Show Less

Additional Tags

math

Show More Show Less

Instructional Ideas

• Ask classmates to create polygons with given number of sides and perimeter
• Lead a discussion on why it is important to use units

Classroom Considerations

• The class should be comfortable with finding sums of multiple numbers

• This video is hosted on YouTube

Pros

• Uses animations to keep track of sums
• Points out shortcuts that work for regular polygons

Cons

• None

Common Core

SL.6.2 3.MD.D.8 4.MD.B.4 RST.6-8.9 MP5 MP6