Yildiz, CemalettinTaskin, DuyguKogce, DavutAydin, Mehmet2024-04-242024-04-2420111877-0428https://doi.org/10.1016/j.sbspro.2011.03.199https://hdl.handle.net/11468/160153rd World Conference on Educational Sciences (WCES) -- FEB 03-07, 2011 -- Bahcesehir Univ, Istanbul, TURKEYThis 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.eninfo:eu-repo/semantics/openAccessPrimary MathematicsDecimal FractionsMisconceptionSuccessMathematics EducationConference Object15859863WOS:0004667506001582-s2.0-8485877651210.1016/j.sbspro.2011.03.199N/AN/A