School algebra serves as the language of mathematics and a foundational subject for learning advanced mathematics courses. This makes developing learners' proficiency in algebra the most desirable instructional goal of school mathematics. Despite having such importance emphasis, however, studies indicate that the vast majority of learners are…

School subjects divided into compulsory and elective courses. Compulsory courses are the basic courses that students must take to graduate, while elective courses give freedom for students. In Turkey, Biology courses taught as compulsory under the required courses in high schools. But, it is also instructed as elective courses called…