Sections
library
topics
resources
photos
linc
  Learning Videos
goals
open educational
pedagogy
translating videos
Accessing Video
making
  The Broken Stick Experiment: Triangles, Random Numbers and Probability

larson photoRichard C. Larson
Mitsui Professor of Engineering Systems
Massachusetts Institute of Technology
Cambridge, Massachusetts 02139 USA

Dr. Larson's specialty is Operations Research, an interdisciplinary field that uses mathematics and the scientific method to improve decision making in industry and government. Click here to read a full bio.

Click here to watch video.

Video Summary: This learning video is designed to develop critical thinking in students by encouraging them to work from basic principals to solve a puzzling mathematics problem that contains uncertainty. One class session of approximately 55 minutes is necessary for lesson completion. First-year simple algebra is all that is required for the lesson, and any high school student in a college-preparatory math class should be able to participate in this exercise. Materials for in-class activities include: a yard stick, a meter stick or a straight branch of a tree; a saw or equivalent to cut the stick; and a blackboard or equivalent. In this video lesson, during in-class sessions between video segments, students will learn among other things: 1) how to generate random numbers; 2) how to deal with probability; and 3) how to construct and draw portions of the X-Y plane that satisfy linear inequalities.

Read Teacher's Guide to this video lesson (download in PDF format)

Download Written Transcript of this video lesson (download in PDF format)

 

Additional Online Resources:

 

Use of the MIT BLOSSOMS website and Learning Video Repository
is subject to our Creative Commons License and other Terms of Use.
 
 
BLOSSOMS