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一、设计问题要有一定亮度兴趣和问题是学习的不竭动力。教师要根据学生的生活实际,从生活中选取那些学生熟悉的、感兴趣的题材引出问题。让学生感到眼前突然一亮,这样会将学生的注意力一下子就集中过来,不知不觉地投入到新的学习中。如在教学百分数的意义时,就以我们家乡的土特产——“酒”为题材。“你们知道苦荞酒烈不烈?”“烈!”“你怎么知道的?”“有50几度。”“你怎么知道有50几度?”“因为标签上标有50%。”“为什么从酒的度数就能知道酒
First, the design issues have a certain degree of brightness Interests and problems are inexhaustible motivation to learn. Teachers should be based on the actual life of students, from life to select those students are familiar with, interesting topics lead to problems. Let the students feel a sudden flash in front of you, this will focus the students' attention suddenly, unwittingly into new learning. As in the teaching of the meaning of the percentage, to our native products - ”wine “ as the theme. ”“ ”“ ”“ ”“ ”How do you know? “ ”There are 50 several times. “ ”How do you know there are 50 times? “Because 50% of the label is on the label.” "Why can we know the wine from the degree of wine?