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固原县城关二小青年教师张新坤的一堂一年级数学课,在激发学生学习兴趣,发展学生思维能力方面进行了有益的尝试.现将这课堂的教学片断介绍如下.课一开始,张老师把事前准备好的数学练习卡片(10以内加、减法七题,20以内加、减法十三题和100以内数的组成九题)发给学生,要求在四分钟内做完.(评:这套基本口算练习既巩固了已学过的知识,又为新课作了准备,起了承上启下的作用.)
Guyuan county primary two young teachers Zhang Xinkun a first-grade math class, to stimulate students interest in learning, the development of students thinking ability is a useful attempt to introduce the lesson in this class are as follows.From the beginning, class teacher prepare Good math exercise card (10 plus plus, minus seven, 20 plus plus, subtraction thirteen questions and 100 within the composition of the number of nine questions) to the students, asked to finish within four minutes. Practice consolidates what has been learned and prepares for the new lesson, which plays the role of a.