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Qualitative Approach to Graphs of Functions in a Microworld
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- Authors
- Issue Date
- 2006
- Publisher
- 서울대학교 교육종합연구원
- Citation
- SNU Journal of Education Research, Vol.15, pp. 129-140
- Keywords
- LOGO ; JavaMAL ; Microworld ; Graph ; Vector
- 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
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