Thestudy aims to determine whether or not there is an implementation of theBrainstorming method assisted aid teaching to the students’mathematical communication ability. Thesample of this research are 72 students. The research used data collection method by using instrument test of mathematical communication ability in the form ofdescription. Data analysis techniques using t-test after the prerequisite test. Based on the results of the study it was found that the average of mathematical communication ability of students taught using the Brainstorming methodassisted props were higher than those not taught using the Brainstorming methodassisted props. It can be concluded that theBrainstorming method assisted props can improve mathematical communication ability of students with medium criteria.
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