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在数学教学中如何避免题海战术,培养和发展学生的思维能力?笔者认为,教师应该充分钻研教材,结合学生特点,适当利用变式训练,引导学生去探索,甚至让学生自己编题,这样,学生就会乐意痴迷于他们的数学世界.其结果不仅能巩固知识,提高解题能力,而且使学生学得轻松愉快,对教学起到事半功倍的效果.一、一题多变,提炼出数学方法案例1对二次项系数为1的多项式,用十字相乘法分解因式,学生感觉是比较困难
How to avoid the problem-solving tactics and how to cultivate and develop students’ thinking ability in mathematics teaching? In my opinion, teachers should fully study the teaching materials, combine the characteristics of students, make appropriate use of variant training, guide students to explore and even make their own coding , Students will be obsessed with their mathematical world.The results not only consolidate knowledge and improve the ability to solve problems, but also make students learn relaxed and happy, play a multiplier effect on teaching.A variety of questions, extracted mathematics Case 1 For a polynomial whose quadratic coefficient is 1, factorization by the cross multiplication method makes the students feel more difficult