一、采用辩论教学,吸引学生的注意力小学生注意力的稳定性较弱,他们往往会被一些无关紧要的事所吸引,转移注意力。采用辩论教学,学生饶有兴趣地参与到辩论中来,畅所欲言,不仅集中了注意力,而且增强了合理利用信息解决实际问题的意识;同时我们的课堂也变得生机盎然,充满生命的活力。例如,在学过两位数减一位数(不退位减)的基础上,学习两位数减一位数(退位减法),教师设计一连串的情境:①为每桌准备了五张卡片:2、3、7、-、=。 First, the use of debate teaching to attract students’ attention The stability of the attention of primary school students is weak, they tend to be attracted by some irrelevant things, divert attention. With debating teaching, students participate with great interest in the debate and speak their minds. They not only focus their attention but also increase their awareness of the rational use of information to solve practical problems. At the same time, our classrooms have become full of vigor and vitality. For example, after learning a double-digit minus one-digit (non-abatement minus) number of double-digits minus absentia, teachers design a series of scenarios: ① Five cards for each table: 2 , 3,7, -, =.