Özet:

The purpose of this research is to evaluate high school math class books according to the teacher's opinions. In accordance with this general objective, the study has also studied the suitability of the curricula to the High School Introduction Exam (LGS), the active use in the teaching process, the suitability of the educational curriculum applied in schools and the need for additional resources in educational activities. Therefore, the investigation has been done. When data is analyzed, the method of content analysis is preferred, codes according to frequencies, codes according to categories and categories are created. The examples of the study consist of twenty-four high school mathematician teachers who work in seven different high schools in a medium-sized province located in the eastern Anadolu region of Turkey. In the selection of the sample first schools were identified, then teachers with a service experience of at least 5 years from these schools were preferred. The teachers who make this example are determined by the essence of volunteering. It also takes into account the time and working conditions when determining the sample. Therefore, the appropriate sample method is preferred when the research sample is selected. The study used a structured conversation form consisting of five open end questions developed by researchers as a data collection tool. During the development of this form, the opinion of three specialized academics in the field of mathematical education was taken. For the form's reliability, the CAPPA value was calculated as 0.922 and was determined to be reliable. According to the findings obtained in the study, the vast majority of teachers think their lesson books are not suitable for LGS. Some believe that the present books can be revised by a number of characteristics. In addition, the vast majority of teachers do not prefer to actively use the lesson books in the classroom, while they use the lesson books to provide more tasks to students. However, it has been found that teachers have directed students to additional resource books because they think the lesson books are insufficient. In the framework of the findings obtained in the study, researchers who wish to work in this field in the future have been given a series of recommendations on the use and development of high school math classbooks.

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