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数学课堂练习是学生巩固所学知识,提升数学素养,发展数学经验的重要平台。数学经验是学生学习数学的基础,学生有什么样的数学经验,就会有什么样的学习方式,就会产生什么样的学习后果。当学生的数学经验不足或不完备时,他们在后面学习相关的内容时就没有经验可调动,就会直接导致学不下去或面临很多困难。下面,笔者就结合苏教版小学数学四年级下册“运算律”的教学来谈一谈如何设计有效数学练习,以丰富学生的数学经验。
Mathematics classroom practice is an important platform for students to consolidate what they have learned, improve math quality and develop math experience. Mathematical experience is the basis for students to learn mathematics, what kind of mathematical experience students will have what kind of learning will produce what kind of learning consequences. When students have inadequate or incomplete mathematical experience, they are inexperienced when studying relevant content, which can directly lead to difficulties in learning or facing difficulties. The following, the author will be combined with the Soviet version of elementary school mathematics under the fourth grade “law of operations” to talk about how to design effective mathematical exercises to enrich students’ mathematical experience.