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Qualitative Approach to Graphs of Functions in a Microworld

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Authors
Cho, Han Hyuk; Song, Minho; Kim, Hwa Kyung
Issue Date
2006
Publisher
서울대학교 교육종합연구원
Citation
SNU Journal of Education Research, Vol.15, pp. 129-140
Keywords
LOGOJavaMALMicroworldGraphVector
Description
2006
Abstract
This paper deals with a teaching experiment of how

6th grade students understand the rate of change with

covariational reasoaing 1n a LOGO-based microworld

JavaMAL We introduce the function graphs using the

traces of a turtle swimming in the JavaMAL microworld in

which textual commands are used not only for controlling

the turtle's motion but also for modifications and

reflections on students' thinking. We found that visual and

symbolic representations for the rate of change can work

together for a meaningful qualitative approach to the

graphs of functions.
ISSN
1225-5335
Language
English
URI
http://hdl.handle.net/10371/70647
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College of Education (사범대학)Center for Educational Research (교육종합연구원)SNU Journal of Education ResearchSNU Journal of Education Research vol.15 (2006)
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