Dienta Gustria Rani Darsono Dienta

Strengthening Logical Thinking in Children Aged 5-6 Years Through BUMIKA Geometry: A Classroom Action Research Study

Logical thinking in early childhood underpins children’s ability to compare quantities, organize sequences, classify objects, and reason about number. This study examined the development of logical-thinking skills in children aged 5–6 years through BUMIKA Geometry, a manipulative learning medium that integrates countin...