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改变学习方式是新一轮基础教育课程改革的核心,合作学习是课改倡导的重要学习方式之一。纵观数学课堂教学,对于合作学习,数学教师并不陌生,可当我们真正地深入到学生小组进行细致的观察后,发现学生合作的效果并不像我们想象的那么遂人意。在“正负数的比较”这节课上,我校徐老师在学生进行了三组正负数的比较练习后,让合作小组交流讨论,“通过这三组式子,你想怎样比较负数的大小?”有一个小组的合作学习过程是这样的:在组长组织下,2号学生说:“我发现,在所有的负数中-1最大。”听完后,其他三位同学好像毫无感觉似
Changing the learning style is the core of the new round of basic education curriculum reform. Cooperative learning is one of the important learning methods advocated by the curriculum reform. Throughout mathematics classroom teaching, cooperative learning, mathematics teachers is no stranger to, but when we really go deep into the student group to conduct a detailed observation, we found that the effect of student cooperation is not as satisfactory as we thought. In the “Comparison of Positive and Negative Numbers”, Xu Xu from our school asked the cooperation team to exchange and discuss after the students conducted three positive and negative comparison exercises. “Through these three sets of formulas, you would like to How to compare the negative size? ”There is a group of collaborative learning process is this: under the leadership of the group leader, No. 2 students said: “ I found that in all negative numbers in the largest -1. ”After listening, The other three students did not seem to feel like it