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《数学课程标准》指出:数学教学不仅要考虑自身的特点,更应该遵循学生的心理规律。强调从学生已有的生活经验出发,让学生经历将实际问题抽象成数学模型并进行解释与应用的过程。因此,在课堂教学中,老师应为学生营造合适的问题情境。所谓问题情境,是指在新奇未知事物的刺激下,学生在形成认识过程中突然提出问题或者接受提问,产生了解决问题的强烈愿望,并将其作为自己学习目的的那一种情境。那么,在教学过程中,教师可以为学生创设怎样的问题情境呢?
“Mathematics Curriculum Standard” points out: Mathematics teaching should not only consider its own characteristics, but also should follow the students’ psychological rules. Emphasize starting from students’ existing life experiences and let them experience the process of abstraction of practical problems into mathematical models and their interpretation and application. Therefore, in class teaching, the teacher should create appropriate problem situations for students. The so-called problem context means that under the stimulation of new and unknown things, students suddenly raise questions or accept questions in the process of forming cognition, resulting in a strong desire to solve the problem and use it as a learning context for their own learning. So, in the teaching process, teachers can create what kind of problem situations for students?