This study aims to determine the ability to think through the skills of asking fifth grade students of SD GMIM III Tomohon. The research method used is classroom action research, because the problem is in classroom learning that requires direct completion. This research was conducted with 3 cycle rounds. The findings of this study indicate that in the first round there were still many weaknesses in class teachers who used questioning skills in the learning process, but before the second, third round, guidance was held to improve the ability of teachers to use classroom questioning skills, impact learning or very positive towards improving thinking skills of elementary school students in fifth grade. So questioning skills are one of the teaching skills that can improve students' thinking skills.
Ability to think, questioning skill, Primary School student