通过对课堂教学现状的深入思考,笔者在学校“三段九步”课堂教学改革的基础上,尝试通过多元有效的课前预习,自主探索的课上学习,丰富多样的课后延伸,使学生充分感受到数学知识的广泛应用,理解和掌握应用数学知识、思想方法、活动经验解决相应数学问题的能力,使学生主动尝试在现实生活中运用数学知识解决实际问题,感受数学的魅力及价值。 Through in-depth thinking on the current situation of classroom teaching, based on the classroom teaching reform of “Three Steps and Nine Steps” in the school, the author tries to enrich and diversify after-school lectures through multiple and effective pre- Make students fully aware of the wide application of mathematical knowledge, understand and master the ability of applying mathematical knowledge, thinking method and activity experience to solve the corresponding mathematical problems so that students can take the initiative to use mathematical knowledge to solve practical problems in real life and feel the charm of mathematics and value.