一、通过问题激趣来调动学生的自主学习能力教学实践证明,问题情境会激发学生的求知欲,因为有趣的问题将使学生受到强烈的刺激,吸引学生的注意和积极参与。如在教学“一亿有多大”的时候,首先引导学生想象一亿张纸的厚度,学生的说法不一,10米、20米等,这时教师不做评定让学生带着问题小组合作做实验,同学们争先恐后积极参与,数的数,量地 First, mobilize students ’autonomous learning ability through questionable interest Teaching practice has proved that problem situations will stimulate students’ curiosity because the interesting questions will make students be strongly stimulated to attract the attention and active participation of students. Such as teaching “100 million how much ”, the first guide students to imagine the thickness of 100 million sheets of paper, the students have different opinions, 10 meters, 20 meters, etc., then the teacher does not make assessment with the students with the problem group Cooperation experiments, students vying for active participation, the number of the number of