Geometric thinking affects success in learning geometry. Geometry is studied from
elementary school to university level. Therefore, in higher education and basic education, it …

Teaching geometry at the elementary level is challenging. This study examines the impact of
van Hiele theory-based instructional activities embedded into an elementary mathematics …

Geometri merupakan salah satu materi yang penting bagi siswa. Namun, materi geometri
khusunya bangun ruang sisi lengkung kerucut masih menjadi materi yang sulit bagi siswa …

Lots of empirical studies regarding the cultivation of spatial visualization in geometry lesson
by utilizing GeoGebra software have been increasingly carried out, at least in two last …

Metacognition, or the ability to think about thinking, is essential in the development of
geometric thinking. However, studies on the Van Hiele model and the application of …

Geometrik düşünme, geometri öğretimi alanında önemli bir yere sahiptir. Geometrik
düşünmenin düzeyleri Van Hiele teorisi ile belirlenmiş ve birçok araştırmaya konu olmuştur …

This study aims to identify, analyze, and describe the level of geometric thinking skills of
students based on van Hiele's theory. This study uses a qualitative descriptive approach …

This study aims to analyze the concept understanding of junior high school students in the
visualization phase in geometry learning using van Hiele's models assisted by manipulative …

The teaching of Euclidean geometry is a matter of serious concern in South Africa. This
research, therefore, examined the Euclidean geometry learning experiences of 16 Grade 11 …

In this article, we focus on geometric thinking and the solution of three spatial geometric
tasks of future primary school teachers. The research sample consisted of 78 Bachelor´ s …