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小学数学有很多简单习题,如果教师对它只做简单化处理,就不利于培养学生的数学意识和能力,也不利于促进学生的数学交流,更不利于对学生进行思维能力的培养。其实,有很多习题需要教师有意识地拓一拓、联一联,由浅入深,让学生看到简单背后隐藏的不简单。从简单的题目入手,起点低,学生容易理解,随着问题稍做改变,又能形成强烈的认知冲突和求知欲,教学效果会更好。
There are many simple exercises in primary school mathematics. If teachers do only simplification, it is not conducive to cultivating students’ mathematical awareness and ability, but also not conducive to promoting students’ mathematical communication, but also not conducive to the cultivation of students’ thinking ability. In fact, there are a lot of exercises that teachers need to construe to make a conscious extension of a link, a joint, from the shallower to the deeper, so that students can see simple hidden behind the simple. Starting from a simple subject, the starting point is low, students easily understand, with the problem a little change, but also to form a strong cognitive conflict and curiosity, the teaching effect will be better.