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初中数学新课程标准中明确提出了课堂教学应当体现学生的主动参与性,要提高师生间、生生间的有效互动,要帮助学生增强情感体验,并提高他们的运用能力,而且建议教师根据具体的教学内容采用“问题情境—建立模型—解释、应用与拓展”来开展教学.这是因为初中数学知识有较强的抽象性和逻辑性,具有承上启下的重要作用,且应用也较为广泛.而初中生的思维正处于具体思维向抽象思维过渡的阶段,他们的思维水平与数学知识的抽象性存在着矛盾.因此,在初中数学教学中,
Junior high school mathematics new curriculum standards made it clear that classroom teaching should reflect the active participation of students, to enhance the effective interaction between teachers and students, students should help students enhance their emotional experience and improve their ability to use, and suggested that teachers according to specific The content of teaching adopts “problem situation - establishing model - explaining, applying and expanding” to carry out teaching because the junior middle school mathematics knowledge has a strong abstraction and logic, which has the important function of connecting and opening up and is also widely used However, junior middle school students’ thinking is in the stage of transition from concrete thinking to abstract thinking, and their thinking level contradicts the abstractness of mathematical knowledge.Therefore, in junior high school mathematics teaching,