数学新课标非常重视对学生思维能力的培养,而思维的发展往往与学生的动手能力分不开,为了促进学生思维的发展,教材大都配备了一套与之相对应的学具。关于这些学具,有些教师置之不理,我行我素;有些教师,为用学具而使用学具。由于缺乏一套行之有效的学具操作办法,致使学具的使用流于形式,不能真正为提高学生学习效果服务。因而,教师要善于巧用学具、妙用学具。这样不仅可以有效发展学生思 New mathematics curriculum attaches great importance to the cultivation of students’ thinking ability, and the development of thinking is often inseparable with the ability of students, in order to promote the development of student thinking, teaching materials are mostly equipped with a corresponding set of learning tools. With regard to these scholarly tools, some teachers ignore one another and do their own thing. Some teachers use their learning tools to use them. Due to the lack of an effective method of learning instruments, the use of such instruments has become a mere formality and can not really serve the purpose of enhancing students’ learning outcomes. Therefore, teachers should be good at clever use of learning tools, magical learning tools. This can not only effectively develop students thinking