This research aims to produce a Learning Trajectory Based Instruction (LTBI) that can help the ninth grade students understand the concept of congruence of the two-dimensional shape by examining Lawang Sewu as one of Central Java historical buildings. LTBI is defined as a teaching and learning trajectory that uses Hypothetical Learning Trajectory…

The purpose of the study was to (a) determine the design features of the physical learning environment that support collaborative, project-based learning, and (b) to gain an understanding of the rationale for the selection of the features. The literature review indicated a need for changing learning expectations to prepare learners for rapidly…