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Influences of CAS and GC in early algebra
Zeller, M., & Barzel, B.
In the last years, several studies have investigated the role of technology in teaching and learning mathematics. However, the specific role of computer algebra systems (CAS) in early algebra in contrast to graphic calculators (GC) is still unclear. The CAYEN project is researching this field by comparing 13-year-old pupils—one GC class and two CAS classes have been observed while acquiring elementary algebraic competences with nearly the same teaching sequence. The field of algebraic competences is split into syntactic abilities and symbol sense. The results of this explorative case study show that the development of symbol sense is influenced by the adoption of CAS in the learning process. Especially when transitioning from arithmetic to algebra, the pupils’ views of algebra as well as their conceptions of algebraic objects seem to be affected by the availability of CAS.
CAS, Algebra, symbol sense, Graphing Calculator, CAYEN, Germany
Zeller, M., & Barzel, B. (2010). Influences of CAS and GC in early algebra. ZDM, 42(7), 775-788. doi: 10.1007/s11858-010-0287-0
Created at 10/10/2011 8:01 AM by SP017\rfoshay
Last modified at 10/10/2011 8:02 AM by SP017\rfoshay
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