Abstract:
This paper highlights the Indonesian's road transportation contexts, namely, angkot, that used in
learning and teaching of addition and subtraction in first grade and second grade MIN-2
Palembang. PMRJ approach that adopt from RME was used in this design research. From teaching
experiment was founded that the student used many strategies when teaching and learning process
conducted. In situational level they used their knowledge of experience-base activity, in referential
level they use bij'i tasbih (bead), and in general level they used number line to solve the problem.
From the research was knovm that the Indonesian's road transportation context helps student to
understand basic concept of addition and subtraction. The suggestion to further research this
context can be used in design research of multiplication.
