初中数学新课程标准中认为,数学课堂教学本身是一种数学活动,主要包括三个因素,即老师、学生、教材。这三者之间应该是动态的交流,各要素之间互动,才能达到让学生掌握知识的目标。老师应该认真组织教学,设计调动学生学习数学的积极性的教学方案,给学生提供丰富而有效的实践性学习素材,给学生更多的机会去交流与探索学习。如果我们在数学教学中自制一些教具,并运用到教学中,便可以达到培养学生学习数学的兴趣、拓展 Junior high school mathematics curriculum standards that mathematics classroom teaching itself is a mathematical activity, including three factors, namely, teachers, students, teaching materials. These three should be a dynamic exchange between the various elements of the interaction, in order to achieve the goal of letting students master the knowledge. The teacher should conscientiously organize teaching and design a teaching plan that motivates students to learn the motivation of mathematics, provide students with rich and effective practical learning materials and give students more opportunities to exchange and explore learning. If we make some teaching aids in mathematics teaching and apply it to teaching, we can cultivate students’ interest in math and expand