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反思是一种对认知活动进行再认识的活动,它是一个自我反省、调节、修正、完善的学习活动过程。世界著名数学家弗赖登塔尔指出:“反思是数学思维活动的核心和动力。”“没有反思,学生的理解水平不可能从一个水平升华到更高的水平。”教师作为课堂教学活动的主体,适时引导学生对学习活动进行反思,可以促进学生的认知完善,提高学习效果。一、引导学生对先前学习进行反思,促进新知学习的开展数学教学论认为:数学教学活动必须建立在学生的认知发展水平和已有的知识经验基础之上。先前学习是指新知学习前已有的学习,它是学生新知学习前知识和方法的储备。教师结合教学内容创设学习情境,引导学生对先前学习进行反思,可以引发学
Reflection is a cognitive activity to re-recognize the activities, it is a self-examination, adjustment, correction, improvement of the learning process. The world famous mathematician Freudenthal pointed out: “Reflection is the core and motivation of mathematical thinking activities.” “Without reflection, students’ levels of understanding can not be sublimated from a level to a higher level.” "Teachers as The main body of classroom teaching activities, timely guide students to reflect on learning activities, can promote students’ cognitive improvement, improve learning outcomes. First, to guide students to reflect on the previous study to promote learning new knowledge Mathematics theory that: mathematics teaching activities must be based on the level of cognitive development of students and existing knowledge based on experience. Previous learning refers to the learning prior to new learning, which is a reserve for students’ prior knowledge and method of learning. Teachers combine teaching content to create learning situations, guide students to reflect on previous learning, can trigger learning