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Download full textZehra E. Ünal; Asli M. Ala; Gamze Kartal; Serkan Özel; David C. Geary – Journal of Numerical Cognition, 2024
Sixty (35 girls and 25 boys) 9th-grade students' conceptual understanding of the number line was qualitatively assessed through verbal explanations and visual representations. The assessment included an open-ended question focused on students' number line descriptions and the explanations coalesced around six features: sequential ordering (i.e.,…
Descriptors: Grade 9, Numeracy, Number Concepts, Numbers
