Students enrolled in post-secondary developmental mathematics courses hold mathematical misunderstandings that begin before their college careers. Specifically, these students struggle with conceptual understanding of fractions, ratios, and proportions. The Common Core State Standards in Mathematics outline standards for K-12 mathematics…

This study seeks to examine the effect of the 5E learning model, as one of the constructivist learning approach models, supported by conceptual change texts and enriched with relevant guidance materials on eliminating the fifth-grade students' (n=42) misconceptions about "Heat and Temperature". A quantitative research approach was…

This article investigates the pedagogical content knowledge (PCK) of a teacher educator who teaches 5th-grade mathematics in a school in the context of a university-school partnership project. PCK is analyzed in a qualitative way through video-taped classroom episodes with focus on interactions between the teacher and the students as well as the…

This research was a cross-age study that sought to determine and compare students' ideas about the causes of the seasons. Toward this aim, the research was carried out with 974 students at different educational levels and across the various age groups. First, the data obtained from the responses to the open-ended question was categorized according…

Studies reveal that students as well as teachers have difficulties in understanding and learning of decimals. The purpose of this study is to investigate students' as well as pre-service teachers' solution strategies when solving a question that involves an estimation task for the value of a decimal number on the number line. We also examined the…

In this paper, it is aimed to investigate the persistence of misconceptions in the topic of the human blood circulatory system among students in different grade levels. For this reason, after discussions with biology educators, two tests consisting of open-ended questions were developed by the researcher and administered to students in four…

Scientific literacy is the ultimate goal in science education world-wide; especially in this modern society of science and technology. How to help individuals to make good judgments and promote their skills of argumentation becomes an important issue. Meanwhile, in the Information Age, visual image is an important medium for conveying information.…