Integration of science and mathematics as well as with other disciplines is overarching goal of science education. In spite of its importance, teachers have concerns about mathematical difficulties that their students encounter during their teaching. One of the most common subjects that students have mathematical difficulties was reported as physics. With this regard, the present study is aimed to investigate seventh grade students' mathematical errors in a physics related subject, specifically force and motion unit. We collected data from 129 seventh grade middle school students which were chosen conveniently throughout an open-ended questionnaire. The findings revealed that the students encountered difficulties in ratio and proportion and conversion of units, topics as well as ordering numbers while answering the questions in this unit. Implication for science courses was discussed.

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Integration of science and mathematics as well as with other disciplines is overarching goal of science education. In spite of its importance, teachers have concerns about mathematical difficulties that their students encounter during their teaching. One of the most common subjects that students have mathematical difficulties was reported as physics. With this regard, the present study is aimed to investigate seventh grade students' mathematical errors in a physics related subject, specifically force and motion unit. We collected data from 129 seventh grade middle school students which were chosen conveniently throughout an open-ended questionnaire. The findings revealed that the students encountered difficulties in ratio and proportion and conversion of units, topics as well as ordering numbers while answering the questions in this unit. Implication for science courses was discussed.

ABSTRACT. Mathematics curriculum for 6-8 grades (MoNE, 2011) gives importance to make connection between mathematics and other disciplines. This program emphasizes that connection is effective on students for noticing mathematics in real life and understanding other disciplines. When mathematics and science curricula investigated together, common skills such as; critical-creative thinking, questioning, problem solving, etc. attract attention in both curricula. This connection in mathematics is also reflected on the teacher guidebooks. Thus, the purpose of this study is to reveal in which subjects, how, how often, and by which purposes, contents in the 7 th grade mathematics teacher's books are related to the concepts of science. In the study, document analysis method was used. Consequently, 47 concepts related to science were determined in total. 60% of them include conceptual knowledge for science. Moreover, 40% of them have no conceptual purpose and they only aim to give daily life examples for mathematics.