NDLI: Cleaning the Floor Using a Robot: Intro to Random Numbers

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Cleaning the Floor Using a Robot: Intro to Random Numbers

Content Provider	TeachEngineering: STEM curriculum for K-12
Author	Grand, Raymond Le Greenman, Lester
Copyright Year	2015
Description	Posed with a paradigmatic engineering problem, students consider and explore mathematical algorithms and/or geometric concepts to devise possible solutions. The problem: How should a robotic vacuum move in order to best clean a floor of unknown shape and dimensions? Posed with a paradigmatic engineering problem, students consider and explore mathematical algorithms and/or geometric concepts to devise possible solutions. The problem: How should a robotic vacuum move in order to best clean a floor of unknown shape and dimensions? They grapple with what could be a complex problem by brainstorming ideas, presenting the best idea for a solution and analyzing all presented solutions, and then are introduced to an elegant solution. Rather than elaborately calculating the most efficient route and keeping track of which tiles the robot has visited, a random number generator determines which direction the robot will take when it hits a barrier. Students are able to visually confirm how an unfamiliar programming concept (a random number generator) can make for a simple and efficient program that causes an EV3 robot (that is suitably equipped) to clean a bare floor. Then students think of other uses for random numbers.
Language	English
Access Restriction	Open
Rights Holder	Regents of The University of Colorado Polytechnic Institute of New York University
Subject Keyword	Number and Operations Science and Technology Robot Nondeterministic Random Number Generator Computer Language Computer Program Computer Software Random Number Software Programming
Content Type	Text
Time Required	PT1H30M
Education Level	Class VI Class VII Class VIII
Pedagogy	Experimental Activity
Resource Type	Hands-on
Subject	Mathematics Technical

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