一、创设有效的教学情境创设有效的教学情境是提高课堂教学有效性的关键。在数学教学中,教师要做有心人,要不失时机地创设与学生生活环境、知识背景密切相关的,又是学生感兴趣的学习情境,使学生在预设的情境中产生学习的欲望,感悟到数学的乐趣,从 First, the creation of an effective teaching situation Creating an effective teaching situation is to improve the effectiveness of classroom teaching key. In mathematics teaching, teachers should be conscientious people, to seize the opportunity to create and students living environment, the knowledge background is closely related to the students are interested in learning situations, so that students in the presumed situation of learning desire, perception of mathematics Fun, from