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Karpuz, Yavuz; Atasoy, Ercan – European Journal of Educational Research, 2019
In the present study, the aim was to investigate 9th grade students' geometrical figure apprehension. To this end, the Figure Apprehension Cognitive Processes Test (FACPT), constructed by the researchers of the study, was administered to 51 ninth grade students, with whom clinical interviews were also conducted. As a result of the data analysed,…
Descriptors: Grade 9, Geometry, Geometric Concepts, Mathematics Instruction
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Kandil, Semanur; Isiksal-Bostan, Mine – International Journal of Mathematical Education in Science and Technology, 2019
The purpose of the study was to investigate the effect of inquiry-based instruction enriched with origami activities on 7th grade students' achievement in reflection symmetry and self-efficacy in geometry. Two classes, instructed by the first author of the paper, were randomly assigned as experimental and control groups. In order to gather data,…
Descriptors: Mathematics Instruction, Teaching Methods, Manipulative Materials, Mathematics Achievement
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Ersoy, Meryem; Ilhan, Onur Alp; Sevgi, Sevim – Higher Education Studies, 2019
In this study, it was aimed to examine the relation between seventh-grade students' quadrilaterals achievement levels and Van Hiele geometric thinking levels. Survey method was used. The sample of the study was 160 students from the three different districts of Kayseri, as Melikgazi, Incesu, and Tomarza. Van Hiele geometric thinking test and…
Descriptors: Correlation, Geometry, Geometric Concepts, Mathematics Instruction
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Çontay, Emine Gaye; Duatepe-Paksu, Asuman – Acta Didactica Napocensia, 2019
This is a descriptive study which attempts to answer how well 8th grade students define a rectangle. The subjects for this study were 93 of 8 th grade students. The students were administered a written open ended test on the definition of a rectangle which was adapted from Ahuja (1996). Responses of the students were coded by each researcher…
Descriptors: Geometry, Grade 8, Mathematics Instruction, Definitions