In this design-based research project, we investigated how and to what extent participating in architectural building and problem solving via a simulation game-based learning platform (called E-Rebuild) would facilitate mathematical practices of middle-school students in the informal learning setting. This study encompasses 2 iterative design…

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…