The aim of this study is to examine the effect of a teacher-training project, which was supported by Turkey Scientific and Technological Research Council of Turkey (TUBITAK). This project is called Using Children's Literature in Teaching Mathematics and Sample Applications and was funded under Innovative Education Practices Support Program. It was conducted from 25th of June to 2nd of July in Turkey. The study group of the research was made up of 16 classroom teachers and 16 secondary school mathematics teachers, total 32 teachers from different cities in Turkey. The applicants of the research were selected via random sample method. It lasted for 8 days and a lot of professionals from different fields carried out a lot of workshops about integration children's literature and mathematics education in multidisciplinary ways. It has a semi experimental research design. From the findings of the research we can conclude that it had a significant and positive impact on teachers' creativity fostering behaviors, curriculum enrichment skills and differentiation skills.