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小学生学习数学的的热情和积极性,一定程度上取决于他们对学习素材的感受与兴趣。现实的、有意义的、具有挑战性的问题情境,最容易激活学生已有的生活经验和数学知识,并且数学本身来源于生活,现实生活里充满数学。因此,为了激发学生的学习兴趣和动机,调动他们学习相应内容的策略与机智,我们要从学生熟悉的生活情境出发,引领学生积极主动地去探究数学。下面是笔者在教学《圆的周长和面积》后和同学们围绕“压路机”探究数学的教学片断与思考。
The enthusiasm and enthusiasm of pupils in learning mathematics depends to some extent on their feelings and interests in learning materials. Realistic, meaningful and challenging problem situations are most likely to activate students’ existing life experiences and mathematical knowledge, and mathematics itself is derived from life and real life is full of mathematics. Therefore, in order to stimulate students ’interest and motivation in learning and mobilize their strategies and tactics to learn the corresponding content, we should proceed from students’ familiar life situations and lead students to actively explore mathematics. The following is the author in the teaching of “circle circumference and area” and the students around the “roller” to explore the teaching of mathematics and thinking.