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一、铺路搭桥,创设学生主动参与学习的心理条件在教学“分数的意义”时,我设计了一个情境,有效地调动了学生主动参与学习的兴趣和情感。题为:把3个白球、4个红球、2个花球同置于一个集合圈内,让学生观察后回答白球占总个数的几分之几?红球占总个数的几分之几?然后在圈内添上一个花球,这时白球占(3/10),红球占(4/10),原因是因为总数
First, paving the way to create the psychological conditions for students to take the initiative to participate in learning teaching “the meaning of scores”, I designed a context effectively mobilize the students take the initiative to participate in learning interest and emotion. Entitled: The three white balls, four red balls, two flower balls with a collection of the same circle, so that students answer the white ball after the answer to the total number of the few? Red ball the total number of points Then add a flower ball in the circle, then white ball accounted for (3/10), red ball accounted for (4/10), because the total number