“动手实践”是学习数学的一种重要方式。在课堂教学中根据学生学习数学的需要及教学内容的特点,合理、有效地利用多种学习方式,特别是采用适当的动手实践,适应学生接受新知的需要,让学生经历知识的探究和发展过程,从而提高学生数学思维能力,进而提高课堂教学效率。 “Hands-on practice ” is an important way to learn math. In the classroom teaching, according to the needs of students learning mathematics and the characteristics of teaching content, reasonable and effective use of a variety of learning methods, especially the use of appropriate hands-on practice to meet the needs of students to accept the new knowledge, so that students experience the knowledge and development process , So as to improve students’ ability of thinking in mathematics and improve the efficiency of classroom teaching.