Özet:

In this study, it is aimed to examine performance of number sense of gifted students in terms of gender, grade levels,number sense self-efficacy and number sense components. In line with the studies in the literature, due to the insufficent research on the number sense on students who diagnosed with special talents in our country, it is felt that in this research we need to study with these student and examine the level of student of this category in the scope of relevant study in terms of various variables. A quantitative descriptive research model was used to determine carefully and completely the level of students’ number sense and their existing situations that is related to it. The study group consists of 6th and 7th-grade students attending Science and Art Centers located in 12 provinces in the Eastern Anatolia Region during the 2022-2023 academic year .286 students attended in this research that included 184 students in the 6th grade and 102 students in the 7th grade. This study included the Number Sense Scale and the Number Sense Self-Efficacy Scale as a data collection tools. It is indicated that in this research students diagnosed with special abilities didn't show high level of number sense performance; instead, they prefer rule-based solutions.It is revealed that , the component “flexibility in calculation” is the most succeded one among the components of number sense.When the students’ grade level increases, it has been observed that , the number sense performance of students improves.When number sense performance was examined based on gender, it was seen that male students used number sense more than female students.When the relationship between the number sense test scores and number sense self-efficacy scores of gifted students was examined, an expressive positive correlation was found between the scores.

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