In this stage, the students expressed their opinion by various communication techniques in Mathematics Communication through gestures as follows:
Item 459-469, is video analysis supported by Protocol in which the teachers asking the students’ performances. The stu-dents in group responded by many techniques.
Item Name Messages
459 Teacher: Then, what is going on? It is like this. What’s going on?
460 M: (Point at the picture.)
461 Teacher: It comes close. It comes close, quick!
462 M: (Express gesture of parallel in vertical line and hori-zontal line.