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Background: Numerous studies have examined the effect of selfdetermination education on student learning, but research that has developed designing and editing an empowerment education package with self-determination approach and its effectiveness on student math performance and belifs has been neglected. Aims: the purpose of this was to designing and editing an empowerment education package with self-determination approach and its effectiveness on girl and boy students math performance and belifs with low performance in this lesson. Methods: The present study was applied in terms of purpose and combined in terms of method)qualitative and quantitative), the qualitative part was the design of a education package and the quantitative part was semi-experimental with design pre-test,post-test and follow with control group. The study population consisted of all students ninth grade in 6 district Tehran city during the years 2019-2020 with low performance in math. 32 people were targeted selected as a sample and randomly assigned to two experimental and control groups (16 people). The instruments of the present study were Leder and Forgasz (2002) mathematical Academic Belief Questionnaire, For the experimental group, training was held in 8 sessions of 60 minutes While the control group did not receive any intervention. Proposed research package for empowerment education with selfdetermination approach it was designed based on the theory of Deci & Ryan (2004). Data analysis was performed by frequent measurments analysis of variance. Results: an empowerment education package with self-determination approach had a significant effect on math performance and belifs (with low performance in this lesson) (P<0/01). Conclusion: girl and boy students who participated in empowerment education sessions based on self-determination approach had better performance and Improvement beliefs to math lesson. Therefore, it is recommended to be considered as one of the educational programs at educational institutions Including Ministry of Education.