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    The effect of instructional materials developed in relation to decimal fractions on success
    (Elsevier Science Bv, 2011) Yildiz, Cemalettin; Taskin, Duygu; Kogce, Davut; Aydin, Mehmet
    This study aims to examine the effect of instructional materials developed on the basis of 4 stage constructivist model on the success of 6th grade students in the subject of decimal fractions. For this purpose, a worksheet on decimal fractions, a conceptual change text and an anology map were developed. These instructional materials were administered to 62 students selected from two different 6th grade classes in a primary school in Trabzon in 2008-2009 school year. Semi-experimental method was used in this study. At the end of the study, it was seen that the instructional materials developed increased students' success. (C) 2011 Published by Elsevier Ltd.
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    The effect of instructional materials on decimal fractions to the conceptual change
    (Elsevier Science Bv, 2011) Yildiz, Cemalettin; Taskin, Duygu; Aydin, Mehmet; Kogce, Davut
    This study investigates the effect on conceptual change of instructional materials about decimal fractions developed by adopting 4 stage constructivist learning model. The study was conducted with 30 students 6th grade at a public elementary school in Trabzon during the spring term of 2008-2009 school year. Case study method was used in the study. The clinical interviews were made with 6 students just before the application and one month later. When the students' responses to the interview questions after the application were investigated, it was identified that the number of students' responses containing misconceptions was decreased at the end of the study. (c) 2011 Published by Elsevier Ltd. Open access under CC BY-NC-ND license.