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  The purpose of this research was to employ a mixed method of convergent triangulation design to evaluate the seventh-grade math curriculum. qualitative phase of  study was a case study, whereas quantitative stage was an evaluation study with the CIPP model. research population consisted of  seventh-grade female mathematics teachers and students of Islamshahr. purposeful sampling method was a strategy to collect qualitative data through a semi-structured interview in the qualitative inquiry, while multistage random cluster sampling was running to fill questionnaires and analyzing final exams in the quantitative study. results showed that quality of the context is high and desirable, where the condition of input is low and unsuitable. Moreover, the quality of the process and product was acceptable from the teachers and students' points of view. In addition, analyzing mathematics examinations indicated that the knowledge of students is insufficient, while they did not also have a positive attitude towards mathematics.