This research examines the effectiveness on how mathematics teachers have begun to integrate information and communication technology(ICT)with reciprocal teaching model to improve students mathematics critical thinking ability into seventh junior high school classroom practice.This study was experimental research with a quasi-experimental design.The samples of the study are 36 students for classroom experiments and 36 students for classroom control.The instruments employed in this study were pre-test and post-test.All the instruments are made in essays forms.The data were analyzed by using descriptive statistics.Based on the research findings,it was gotten that(1)the development of teaching instructional multimedia of the seven grade students of junior high school;(2)the improvement of students mathematics critical thinking ability in experimental class;(3)the aspect of attractiveness shows that the developed instructional multimedia was very interesting; and(4)reciprocal learning has good impact on students mathematics critical thinking ability.