<![CDATA[As a descriptive survey research, this study aimed to investigate the number sense skills of gifted in terms of number sense components. Participant of this research consisted of 123 gifted secondary school students, who were selected according to the convenience sampling method in Turkey. The data of this research were collected in the 2021-2022 academic year. The number sense test was used as the data collection tool. This test is comprised of 20 items which were prepared in line with five basic number sense components. The data obtained from the data collection tool were analysed by quantitative analysis methods. As a result of the analysis, it was confirmed that the number senses of gifted secondary school students differed according to gender and this difference was in favour of the male students. The highest number sense performance according to grade levels belonged to eight grade level students. Furthermore, it was observed that the number sense performance increased in parallel with the grade levels of the students. In addition, when the mean of correct answers for the number sense components was considered, it was concluded that the highest mean was in the understanding of the effect of the operation and the lowest mean was in the understanding of the number concept, respectively.]]>
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